449cb9d7 |
1 | /* This file is part of the Linux Trace Toolkit viewer |
3aee1200 |
2 | * Copyright (C) 2005 Mathieu Desnoyers |
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3 | * |
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4 | * Complete rewrite from the original version made by XangXiu Yang. |
5 | * |
1b44b0b5 |
6 | * This library is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public |
8 | * License Version 2.1 as published by the Free Software Foundation. |
449cb9d7 |
9 | * |
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10 | * This library is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * Lesser General Public License for more details. |
449cb9d7 |
14 | * |
1b44b0b5 |
15 | * You should have received a copy of the GNU Lesser General Public |
16 | * License along with this library; if not, write to the |
17 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
18 | * Boston, MA 02111-1307, USA. |
449cb9d7 |
19 | */ |
20 | |
4e4d11b3 |
21 | #ifdef HAVE_CONFIG_H |
22 | #include <config.h> |
23 | #endif |
24 | |
6cd62ccf |
25 | #include <stdio.h> |
26 | #include <fcntl.h> |
8d1e6362 |
27 | #include <string.h> |
28 | #include <dirent.h> |
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29 | #include <sys/stat.h> |
30 | #include <sys/types.h> |
8d1e6362 |
31 | #include <errno.h> |
32 | #include <unistd.h> |
42db9bf1 |
33 | #include <math.h> |
cdf90f40 |
34 | #include <glib.h> |
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35 | #include <malloc.h> |
36 | #include <sys/mman.h> |
dd3a6d39 |
37 | #include <string.h> |
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38 | |
ef35d837 |
39 | // For realpath |
40 | #include <limits.h> |
41 | #include <stdlib.h> |
42 | |
43 | |
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44 | #include "parser.h" |
a5dcde2f |
45 | #include <ltt/ltt.h> |
46 | #include "ltt-private.h" |
963b5f2d |
47 | #include <ltt/trace.h> |
c02ea99f |
48 | #include <ltt/event.h> |
29af7cfd |
49 | //#include <ltt/type.h> |
1a2ceb63 |
50 | #include <ltt/ltt-types.h> |
bb38a290 |
51 | #include <ltt/marker.h> |
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52 | |
53 | /* Facility names used in this file */ |
54 | |
55 | GQuark LTT_FACILITY_NAME_HEARTBEAT, |
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56 | LTT_EVENT_NAME_HEARTBEAT, |
57 | LTT_EVENT_NAME_HEARTBEAT_FULL; |
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58 | GQuark LTT_TRACEFILE_NAME_FACILITIES; |
59 | |
86005ded |
60 | #ifndef g_open |
61 | #define g_open open |
62 | #endif |
63 | |
64 | |
51b5991e |
65 | #define __UNUSED__ __attribute__((__unused__)) |
6cd62ccf |
66 | |
a1062ddd |
67 | #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format) |
3aee1200 |
68 | |
69 | #ifndef g_debug |
a1062ddd |
70 | #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format) |
3aee1200 |
71 | #endif |
a1062ddd |
72 | |
45e14832 |
73 | #define g_close close |
8959a0c8 |
74 | |
b77d1b57 |
75 | /* Those macros must be called from within a function where page_size is a known |
76 | * variable */ |
77 | #define PAGE_MASK (~(page_size-1)) |
78 | #define PAGE_ALIGN(addr) (((addr)+page_size-1)&PAGE_MASK) |
79 | |
6cd62ccf |
80 | /* set the offset of the fields belonging to the event, |
81 | need the information of the archecture */ |
f104d082 |
82 | //void set_fields_offsets(LttTracefile *tf, LttEventType *event_type); |
eed2ef37 |
83 | //size_t get_fields_offsets(LttTracefile *tf, LttEventType *event_type, void *data); |
6cd62ccf |
84 | |
3aee1200 |
85 | /* get the size of the field type according to |
86 | * The facility size information. */ |
f104d082 |
87 | #if 0 |
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88 | static inline void preset_field_type_size(LttTracefile *tf, |
89 | LttEventType *event_type, |
90 | off_t offset_root, off_t offset_parent, |
91 | enum field_status *fixed_root, enum field_status *fixed_parent, |
92 | LttField *field); |
f104d082 |
93 | #endif //0 |
6cd62ccf |
94 | |
3aee1200 |
95 | /* map a fixed size or a block information from the file (fd) */ |
96 | static gint map_block(LttTracefile * tf, guint block_num); |
97 | |
98 | /* calculate nsec per cycles for current block */ |
791dffa6 |
99 | #if 0 |
100 | static guint32 calc_nsecs_per_cycle(LttTracefile * t); |
101 | static guint64 cycles_2_ns(LttTracefile *tf, guint64 cycles); |
102 | #endif //0 |
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103 | |
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104 | /* go to the next event */ |
105 | static int ltt_seek_next_event(LttTracefile *tf); |
6cd62ccf |
106 | |
3c165eaf |
107 | //void ltt_update_event_size(LttTracefile *tf); |
eed2ef37 |
108 | |
3c165eaf |
109 | static int open_tracefiles(LttTrace *trace, gchar *root_path, |
110 | gchar *relative_path); |
111 | static int ltt_process_facility_tracefile(LttTracefile *tf); |
112 | static void ltt_tracefile_time_span_get(LttTracefile *tf, |
113 | LttTime *start, LttTime *end); |
114 | static void group_time_span_get(GQuark name, gpointer data, gpointer user_data); |
115 | static gint map_block(LttTracefile * tf, guint block_num); |
116 | static int ltt_seek_next_event(LttTracefile *tf); |
117 | static void __attribute__((constructor)) init(void); |
118 | static void ltt_update_event_size(LttTracefile *tf); |
91f8d488 |
119 | |
120 | /* Enable event debugging */ |
121 | static int a_event_debug = 0; |
122 | |
123 | void ltt_event_debug(int state) |
124 | { |
125 | a_event_debug = state; |
126 | } |
127 | |
3c165eaf |
128 | //void precompute_offsets(LttFacility *fac, LttEventType *event); |
2312de30 |
129 | |
3aee1200 |
130 | #if 0 |
43da6a59 |
131 | /* Functions to parse system.xml file (using glib xml parser) */ |
51b5991e |
132 | static void parser_start_element (GMarkupParseContext __UNUSED__ *context, |
43da6a59 |
133 | const gchar *element_name, |
134 | const gchar **attribute_names, |
135 | const gchar **attribute_values, |
136 | gpointer user_data, |
137 | GError **error) |
138 | { |
139 | int i=0; |
140 | LttSystemDescription* des = (LttSystemDescription* )user_data; |
141 | if(strcmp("system", element_name)){ |
2a74fbf4 |
142 | *error = g_error_new(G_MARKUP_ERROR, |
143 | G_LOG_LEVEL_WARNING, |
144 | "This is not system.xml file"); |
145 | return; |
43da6a59 |
146 | } |
147 | |
148 | while(attribute_names[i]){ |
149 | if(strcmp("node_name", attribute_names[i])==0){ |
150 | des->node_name = g_strdup(attribute_values[i]); |
151 | }else if(strcmp("domainname", attribute_names[i])==0){ |
152 | des->domain_name = g_strdup(attribute_values[i]); |
153 | }else if(strcmp("cpu", attribute_names[i])==0){ |
154 | des->nb_cpu = atoi(attribute_values[i]); |
155 | }else if(strcmp("arch_size", attribute_names[i])==0){ |
156 | if(strcmp(attribute_values[i],"LP32") == 0) des->size = LTT_LP32; |
157 | else if(strcmp(attribute_values[i],"ILP32") == 0) des->size = LTT_ILP32; |
158 | else if(strcmp(attribute_values[i],"LP64") == 0) des->size = LTT_LP64; |
159 | else if(strcmp(attribute_values[i],"ILP64") == 0) des->size = LTT_ILP64; |
160 | else if(strcmp(attribute_values[i],"UNKNOWN") == 0) des->size = LTT_UNKNOWN; |
161 | }else if(strcmp("endian", attribute_names[i])==0){ |
162 | if(strcmp(attribute_values[i],"LITTLE_ENDIAN") == 0) |
163 | des->endian = LTT_LITTLE_ENDIAN; |
164 | else if(strcmp(attribute_values[i],"BIG_ENDIAN") == 0) |
165 | des->endian = LTT_BIG_ENDIAN; |
166 | }else if(strcmp("kernel_name", attribute_names[i])==0){ |
167 | des->kernel_name = g_strdup(attribute_values[i]); |
168 | }else if(strcmp("kernel_release", attribute_names[i])==0){ |
169 | des->kernel_release = g_strdup(attribute_values[i]); |
170 | }else if(strcmp("kernel_version", attribute_names[i])==0){ |
171 | des->kernel_version = g_strdup(attribute_values[i]); |
172 | }else if(strcmp("machine", attribute_names[i])==0){ |
173 | des->machine = g_strdup(attribute_values[i]); |
174 | }else if(strcmp("processor", attribute_names[i])==0){ |
175 | des->processor = g_strdup(attribute_values[i]); |
176 | }else if(strcmp("hardware_platform", attribute_names[i])==0){ |
177 | des->hardware_platform = g_strdup(attribute_values[i]); |
178 | }else if(strcmp("operating_system", attribute_names[i])==0){ |
179 | des->operating_system = g_strdup(attribute_values[i]); |
180 | }else if(strcmp("ltt_major_version", attribute_names[i])==0){ |
181 | des->ltt_major_version = atoi(attribute_values[i]); |
182 | }else if(strcmp("ltt_minor_version", attribute_names[i])==0){ |
183 | des->ltt_minor_version = atoi(attribute_values[i]); |
184 | }else if(strcmp("ltt_block_size", attribute_names[i])==0){ |
185 | des->ltt_block_size = atoi(attribute_values[i]); |
186 | }else{ |
2a74fbf4 |
187 | *error = g_error_new(G_MARKUP_ERROR, |
188 | G_LOG_LEVEL_WARNING, |
189 | "Not a valid attribute"); |
190 | return; |
43da6a59 |
191 | } |
192 | i++; |
193 | } |
194 | } |
195 | |
51b5991e |
196 | static void parser_characters (GMarkupParseContext __UNUSED__ *context, |
43da6a59 |
197 | const gchar *text, |
51b5991e |
198 | gsize __UNUSED__ text_len, |
43da6a59 |
199 | gpointer user_data, |
51b5991e |
200 | GError __UNUSED__ **error) |
43da6a59 |
201 | { |
202 | LttSystemDescription* des = (LttSystemDescription* )user_data; |
203 | des->description = g_strdup(text); |
204 | } |
3aee1200 |
205 | #endif //0 |
f104d082 |
206 | |
3c165eaf |
207 | #if 0 |
77175651 |
208 | LttFacility *ltt_trace_get_facility_by_num(LttTrace *t, |
3aee1200 |
209 | guint num) |
210 | { |
211 | g_assert(num < t->facilities_by_num->len); |
212 | |
213 | return &g_array_index(t->facilities_by_num, LttFacility, num); |
214 | |
215 | } |
3c165eaf |
216 | #endif //0 |
43da6a59 |
217 | |
b56dcdf2 |
218 | guint ltt_trace_get_num_cpu(LttTrace *t) |
219 | { |
220 | return t->num_cpu; |
221 | } |
222 | |
43da6a59 |
223 | |
b7576a11 |
224 | /* trace can be NULL |
225 | * |
226 | * Return value : 0 success, 1 bad tracefile |
227 | */ |
228 | int parse_trace_header(void *header, LttTracefile *tf, LttTrace *t) |
229 | { |
230 | guint32 *magic_number = (guint32*)header; |
231 | struct ltt_trace_header_any *any = (struct ltt_trace_header_any *)header; |
232 | |
233 | if(*magic_number == LTT_MAGIC_NUMBER) |
234 | tf->reverse_bo = 0; |
235 | else if(*magic_number == LTT_REV_MAGIC_NUMBER) |
236 | tf->reverse_bo = 1; |
237 | else /* invalid magic number, bad tracefile ! */ |
238 | return 1; |
239 | |
240 | /* Get float byte order : might be different from int byte order |
241 | * (or is set to 0 if the trace has no float (kernel trace)) */ |
242 | tf->float_word_order = any->float_word_order; |
256a5b3a |
243 | tf->alignment = any->alignment; |
90440c06 |
244 | tf->has_heartbeat = any->has_heartbeat; |
b7576a11 |
245 | |
246 | if(t) { |
247 | t->arch_type = ltt_get_uint32(LTT_GET_BO(tf), |
248 | &any->arch_type); |
249 | t->arch_variant = ltt_get_uint32(LTT_GET_BO(tf), |
250 | &any->arch_variant); |
251 | t->arch_size = any->arch_size; |
252 | t->ltt_major_version = any->major_version; |
253 | t->ltt_minor_version = any->minor_version; |
254 | t->flight_recorder = any->flight_recorder; |
3c165eaf |
255 | // t->compact_facilities = NULL; |
b7576a11 |
256 | } |
257 | |
b7576a11 |
258 | switch(any->major_version) { |
259 | |
260 | case 0: |
3c165eaf |
261 | g_warning("Unsupported trace version : %hhu.%hhu", |
262 | any->major_version, any->minor_version); |
263 | return 1; |
264 | break; |
265 | case 1: |
b7576a11 |
266 | switch(any->minor_version) { |
3c165eaf |
267 | case 0: |
b7576a11 |
268 | { |
3c165eaf |
269 | struct ltt_trace_header_1_0 *vheader = |
270 | (struct ltt_trace_header_1_0 *)header; |
823820eb |
271 | tf->buffer_header_size = |
272 | sizeof(struct ltt_block_start_header) |
3c165eaf |
273 | + sizeof(struct ltt_trace_header_1_0); |
62e4e7bf |
274 | tf->tsc_lsb_truncate = vheader->tsc_lsb_truncate; |
275 | tf->tscbits = vheader->tscbits; |
276 | tf->tsc_msb_cutoff = 32 - tf->tsc_lsb_truncate - tf->tscbits; |
08a986f1 |
277 | tf->compact_event_bits = 32 - vheader->compact_data_shift; |
dd3a6d39 |
278 | tf->tsc_mask = ((1ULL << (tf->tscbits))-1); |
279 | tf->tsc_mask = tf->tsc_mask << tf->tsc_lsb_truncate; |
62e4e7bf |
280 | tf->tsc_mask_next_bit = (1ULL<<(tf->tscbits)); |
281 | tf->tsc_mask_next_bit = tf->tsc_mask_next_bit << tf->tsc_lsb_truncate; |
e939e5b2 |
282 | if(t) { |
283 | t->start_freq = ltt_get_uint64(LTT_GET_BO(tf), |
284 | &vheader->start_freq); |
a3999b49 |
285 | t->freq_scale = ltt_get_uint32(LTT_GET_BO(tf), |
286 | &vheader->freq_scale); |
e939e5b2 |
287 | t->start_tsc = ltt_get_uint64(LTT_GET_BO(tf), |
288 | &vheader->start_tsc); |
289 | t->start_monotonic = ltt_get_uint64(LTT_GET_BO(tf), |
290 | &vheader->start_monotonic); |
291 | t->start_time.tv_sec = ltt_get_uint64(LTT_GET_BO(tf), |
292 | &vheader->start_time_sec); |
293 | t->start_time.tv_nsec = ltt_get_uint64(LTT_GET_BO(tf), |
294 | &vheader->start_time_usec); |
295 | t->start_time.tv_nsec *= 1000; /* microsec to nanosec */ |
296 | |
297 | t->start_time_from_tsc = ltt_time_from_uint64( |
c7f86478 |
298 | (double)t->start_tsc |
299 | * (1000000000.0 / tf->trace->freq_scale) |
62e4e7bf |
300 | / (double)t->start_freq); |
e939e5b2 |
301 | } |
302 | } |
303 | break; |
b7576a11 |
304 | default: |
986e2a7c |
305 | g_warning("Unsupported trace version : %hhu.%hhu", |
3c165eaf |
306 | any->major_version, any->minor_version); |
b7576a11 |
307 | return 1; |
308 | } |
309 | break; |
b7576a11 |
310 | default: |
311 | g_warning("Unsupported trace version : %hhu.%hhu", |
312 | any->major_version, any->minor_version); |
313 | return 1; |
314 | } |
315 | |
316 | |
317 | return 0; |
318 | } |
319 | |
320 | |
321 | |
6cd62ccf |
322 | /***************************************************************************** |
323 | *Function name |
963b5f2d |
324 | * ltt_tracefile_open : open a trace file, construct a LttTracefile |
6cd62ccf |
325 | *Input params |
963b5f2d |
326 | * t : the trace containing the tracefile |
327 | * fileName : path name of the trace file |
3aee1200 |
328 | * tf : the tracefile structure |
6cd62ccf |
329 | *Return value |
3aee1200 |
330 | * : 0 for success, -1 otherwise. |
6cd62ccf |
331 | ****************************************************************************/ |
332 | |
3aee1200 |
333 | gint ltt_tracefile_open(LttTrace *t, gchar * fileName, LttTracefile *tf) |
6cd62ccf |
334 | { |
963b5f2d |
335 | struct stat lTDFStat; /* Trace data file status */ |
3aee1200 |
336 | struct ltt_block_start_header *header; |
b77d1b57 |
337 | int page_size = getpagesize(); |
6cd62ccf |
338 | |
339 | //open the file |
d3d34f49 |
340 | tf->long_name = g_quark_from_string(fileName); |
963b5f2d |
341 | tf->trace = t; |
3865ea09 |
342 | tf->fd = open(fileName, O_RDONLY); |
6cd62ccf |
343 | if(tf->fd < 0){ |
2a74fbf4 |
344 | g_warning("Unable to open input data file %s\n", fileName); |
3aee1200 |
345 | goto end; |
6cd62ccf |
346 | } |
347 | |
348 | // Get the file's status |
349 | if(fstat(tf->fd, &lTDFStat) < 0){ |
2a74fbf4 |
350 | g_warning("Unable to get the status of the input data file %s\n", fileName); |
3aee1200 |
351 | goto close_file; |
6cd62ccf |
352 | } |
353 | |
354 | // Is the file large enough to contain a trace |
823820eb |
355 | if(lTDFStat.st_size < |
9ea7b94b |
356 | (off_t)(sizeof(struct ltt_block_start_header) |
357 | + sizeof(struct ltt_trace_header_any))){ |
8710c6c7 |
358 | g_print("The input data file %s does not contain a trace\n", fileName); |
3aee1200 |
359 | goto close_file; |
360 | } |
361 | |
362 | /* Temporarily map the buffer start header to get trace information */ |
363 | /* Multiple of pages aligned head */ |
b77d1b57 |
364 | tf->buffer.head = mmap(0, |
9ea7b94b |
365 | PAGE_ALIGN(sizeof(struct ltt_block_start_header) |
366 | + sizeof(struct ltt_trace_header_any)), PROT_READ, |
3aee1200 |
367 | MAP_PRIVATE, tf->fd, 0); |
3865ea09 |
368 | if(tf->buffer.head == MAP_FAILED) { |
3aee1200 |
369 | perror("Error in allocating memory for buffer of tracefile"); |
370 | goto close_file; |
6cd62ccf |
371 | } |
3865ea09 |
372 | g_assert( ( (guint)tf->buffer.head&(8-1) ) == 0); // make sure it's aligned. |
3aee1200 |
373 | |
374 | header = (struct ltt_block_start_header*)tf->buffer.head; |
6cd62ccf |
375 | |
51551c6f |
376 | if(parse_trace_header(header->trace, tf, NULL)) { |
377 | g_warning("parse_trace_header error"); |
378 | goto unmap_file; |
379 | } |
3aee1200 |
380 | |
6cd62ccf |
381 | //store the size of the file |
382 | tf->file_size = lTDFStat.st_size; |
f628823c |
383 | tf->buf_size = ltt_get_uint32(LTT_GET_BO(tf), &header->buf_size); |
384 | tf->num_blocks = tf->file_size / tf->buf_size; |
385 | |
386 | if(munmap(tf->buffer.head, |
9ea7b94b |
387 | PAGE_ALIGN(sizeof(struct ltt_block_start_header) |
388 | + sizeof(struct ltt_trace_header_any)))) { |
f628823c |
389 | g_warning("unmap size : %u\n", |
9ea7b94b |
390 | PAGE_ALIGN(sizeof(struct ltt_block_start_header) |
391 | + sizeof(struct ltt_trace_header_any))); |
f628823c |
392 | perror("munmap error"); |
393 | g_assert(0); |
394 | } |
3aee1200 |
395 | tf->buffer.head = NULL; |
6cd62ccf |
396 | |
963b5f2d |
397 | //read the first block |
3aee1200 |
398 | if(map_block(tf,0)) { |
399 | perror("Cannot map block for tracefile"); |
400 | goto close_file; |
401 | } |
402 | |
403 | return 0; |
6cd62ccf |
404 | |
3aee1200 |
405 | /* Error */ |
406 | unmap_file: |
f628823c |
407 | if(munmap(tf->buffer.head, |
9ea7b94b |
408 | PAGE_ALIGN(sizeof(struct ltt_block_start_header) |
409 | + sizeof(struct ltt_trace_header_any)))) { |
f628823c |
410 | g_warning("unmap size : %u\n", |
9ea7b94b |
411 | PAGE_ALIGN(sizeof(struct ltt_block_start_header) |
412 | + sizeof(struct ltt_trace_header_any))); |
f628823c |
413 | perror("munmap error"); |
414 | g_assert(0); |
415 | } |
3aee1200 |
416 | close_file: |
3865ea09 |
417 | close(tf->fd); |
3aee1200 |
418 | end: |
419 | return -1; |
6cd62ccf |
420 | } |
421 | |
d3d34f49 |
422 | LttTrace *ltt_tracefile_get_trace(LttTracefile *tf) |
423 | { |
424 | return tf->trace; |
425 | } |
426 | |
3aee1200 |
427 | #if 0 |
6cd62ccf |
428 | /***************************************************************************** |
963b5f2d |
429 | *Open control and per cpu tracefiles |
6cd62ccf |
430 | ****************************************************************************/ |
431 | |
45e14832 |
432 | void ltt_tracefile_open_cpu(LttTrace *t, gchar * tracefile_name) |
6cd62ccf |
433 | { |
963b5f2d |
434 | LttTracefile * tf; |
435 | tf = ltt_tracefile_open(t,tracefile_name); |
4a6c8e36 |
436 | if(!tf) return; |
963b5f2d |
437 | t->per_cpu_tracefile_number++; |
438 | g_ptr_array_add(t->per_cpu_tracefiles, tf); |
6cd62ccf |
439 | } |
440 | |
45e14832 |
441 | gint ltt_tracefile_open_control(LttTrace *t, gchar * control_name) |
6cd62ccf |
442 | { |
963b5f2d |
443 | LttTracefile * tf; |
c02ea99f |
444 | LttEvent ev; |
963b5f2d |
445 | LttFacility * f; |
963b5f2d |
446 | void * pos; |
447 | FacilityLoad fLoad; |
8d1e6362 |
448 | unsigned int i; |
963b5f2d |
449 | |
450 | tf = ltt_tracefile_open(t,control_name); |
2a74fbf4 |
451 | if(!tf) { |
452 | g_warning("ltt_tracefile_open_control : bad file descriptor"); |
453 | return -1; |
454 | } |
963b5f2d |
455 | t->control_tracefile_number++; |
456 | g_ptr_array_add(t->control_tracefiles,tf); |
457 | |
458 | //parse facilities tracefile to get base_id |
542ceddd |
459 | if(strcmp(&control_name[strlen(control_name)-10],"facilities") ==0){ |
963b5f2d |
460 | while(1){ |
c02ea99f |
461 | if(!ltt_tracefile_read(tf,&ev)) return 0; // end of file |
40331ba8 |
462 | |
c02ea99f |
463 | if(ev.event_id == TRACE_FACILITY_LOAD){ |
464 | pos = ev.data; |
45e14832 |
465 | fLoad.name = (gchar*)pos; |
47a166fc |
466 | fLoad.checksum = *(LttChecksum*)(pos + strlen(fLoad.name)); |
cbd41522 |
467 | fLoad.base_code = *(guint32 *)(pos + strlen(fLoad.name) + sizeof(LttChecksum)); |
963b5f2d |
468 | |
469 | for(i=0;i<t->facility_number;i++){ |
470 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
471 | if(strcmp(f->name,fLoad.name)==0 && fLoad.checksum==f->checksum){ |
472 | f->base_id = fLoad.base_code; |
473 | break; |
474 | } |
475 | } |
2a74fbf4 |
476 | if(i==t->facility_number) { |
8d1e6362 |
477 | g_warning("Facility: %s, checksum: %u is not found", |
478 | fLoad.name,(unsigned int)fLoad.checksum); |
2a74fbf4 |
479 | return -1; |
480 | } |
c02ea99f |
481 | }else if(ev.event_id == TRACE_BLOCK_START){ |
40331ba8 |
482 | continue; |
c02ea99f |
483 | }else if(ev.event_id == TRACE_BLOCK_END){ |
40331ba8 |
484 | break; |
2a74fbf4 |
485 | }else { |
8d1e6362 |
486 | g_warning("Not valid facilities trace file"); |
2a74fbf4 |
487 | return -1; |
488 | } |
963b5f2d |
489 | } |
490 | } |
2a74fbf4 |
491 | return 0; |
6cd62ccf |
492 | } |
3aee1200 |
493 | #endif //0 |
6cd62ccf |
494 | |
495 | /***************************************************************************** |
496 | *Function name |
963b5f2d |
497 | * ltt_tracefile_close: close a trace file, |
6cd62ccf |
498 | *Input params |
963b5f2d |
499 | * t : tracefile which will be closed |
6cd62ccf |
500 | ****************************************************************************/ |
501 | |
963b5f2d |
502 | void ltt_tracefile_close(LttTracefile *t) |
6cd62ccf |
503 | { |
f628823c |
504 | int page_size = getpagesize(); |
505 | |
3aee1200 |
506 | if(t->buffer.head != NULL) |
f628823c |
507 | if(munmap(t->buffer.head, PAGE_ALIGN(t->buf_size))) { |
508 | g_warning("unmap size : %u\n", |
509 | PAGE_ALIGN(t->buf_size)); |
510 | perror("munmap error"); |
511 | g_assert(0); |
512 | } |
513 | |
3865ea09 |
514 | close(t->fd); |
963b5f2d |
515 | } |
6cd62ccf |
516 | |
6cd62ccf |
517 | |
963b5f2d |
518 | /***************************************************************************** |
519 | *Get system information |
520 | ****************************************************************************/ |
3aee1200 |
521 | #if 0 |
45e14832 |
522 | gint getSystemInfo(LttSystemDescription* des, gchar * pathname) |
963b5f2d |
523 | { |
45e14832 |
524 | int fd; |
525 | GIOChannel *iochan; |
526 | gchar *buf = NULL; |
527 | gsize length; |
43da6a59 |
528 | |
529 | GMarkupParseContext * context; |
2a74fbf4 |
530 | GError * error = NULL; |
43da6a59 |
531 | GMarkupParser markup_parser = |
532 | { |
533 | parser_start_element, |
8d1e6362 |
534 | NULL, |
43da6a59 |
535 | parser_characters, |
536 | NULL, /* passthrough */ |
537 | NULL /* error */ |
538 | }; |
963b5f2d |
539 | |
45e14832 |
540 | fd = g_open(pathname, O_RDONLY, 0); |
541 | if(fd == -1){ |
2a74fbf4 |
542 | g_warning("Can not open file : %s\n", pathname); |
543 | return -1; |
6cd62ccf |
544 | } |
963b5f2d |
545 | |
45e14832 |
546 | iochan = g_io_channel_unix_new(fd); |
547 | |
43da6a59 |
548 | context = g_markup_parse_context_new(&markup_parser, 0, des,NULL); |
6cd62ccf |
549 | |
45e14832 |
550 | //while(fgets(buf,DIR_NAME_SIZE, fp) != NULL){ |
551 | while(g_io_channel_read_line(iochan, &buf, &length, NULL, &error) |
552 | != G_IO_STATUS_EOF) { |
553 | |
554 | if(error != NULL) { |
555 | g_warning("Can not read xml file: \n%s\n", error->message); |
556 | g_error_free(error); |
557 | } |
558 | if(!g_markup_parse_context_parse(context, buf, length, &error)){ |
2a74fbf4 |
559 | if(error != NULL) { |
560 | g_warning("Can not parse xml file: \n%s\n", error->message); |
561 | g_error_free(error); |
562 | } |
563 | g_markup_parse_context_free(context); |
45e14832 |
564 | |
565 | g_io_channel_shutdown(iochan, FALSE, &error); /* No flush */ |
566 | if(error != NULL) { |
567 | g_warning("Can not close file: \n%s\n", error->message); |
568 | g_error_free(error); |
569 | } |
570 | |
571 | close(fd); |
2a74fbf4 |
572 | return -1; |
43da6a59 |
573 | } |
963b5f2d |
574 | } |
2a74fbf4 |
575 | g_markup_parse_context_free(context); |
45e14832 |
576 | |
577 | g_io_channel_shutdown(iochan, FALSE, &error); /* No flush */ |
578 | if(error != NULL) { |
579 | g_warning("Can not close file: \n%s\n", error->message); |
580 | g_error_free(error); |
581 | } |
582 | |
583 | g_close(fd); |
584 | |
585 | g_free(buf); |
2a74fbf4 |
586 | return 0; |
6cd62ccf |
587 | } |
3aee1200 |
588 | #endif //0 |
6cd62ccf |
589 | |
590 | /***************************************************************************** |
963b5f2d |
591 | *The following functions get facility/tracefile information |
6cd62ccf |
592 | ****************************************************************************/ |
3aee1200 |
593 | #if 0 |
45e14832 |
594 | gint getFacilityInfo(LttTrace *t, gchar* eventdefs) |
6cd62ccf |
595 | { |
45e14832 |
596 | GDir * dir; |
597 | const gchar * name; |
8d1e6362 |
598 | unsigned int i,j; |
963b5f2d |
599 | LttFacility * f; |
600 | LttEventType * et; |
45e14832 |
601 | gchar fullname[DIR_NAME_SIZE]; |
602 | GError * error = NULL; |
603 | |
604 | dir = g_dir_open(eventdefs, 0, &error); |
963b5f2d |
605 | |
45e14832 |
606 | if(error != NULL) { |
607 | g_warning("Can not open directory: %s, %s\n", eventdefs, error->message); |
608 | g_error_free(error); |
2a74fbf4 |
609 | return -1; |
610 | } |
963b5f2d |
611 | |
45e14832 |
612 | while((name = g_dir_read_name(dir)) != NULL){ |
613 | if(!g_pattern_match_simple("*.xml", name)) continue; |
614 | strcpy(fullname,eventdefs); |
615 | strcat(fullname,name); |
616 | ltt_facility_open(t,fullname); |
617 | } |
618 | g_dir_close(dir); |
963b5f2d |
619 | |
963b5f2d |
620 | for(j=0;j<t->facility_number;j++){ |
8710c6c7 |
621 | f = (LttFacility*)g_ptr_array_index(t->facilities, j); |
963b5f2d |
622 | for(i=0; i<f->event_number; i++){ |
623 | et = f->events[i]; |
40331ba8 |
624 | setFieldsOffset(NULL, et, NULL, t); |
963b5f2d |
625 | } |
626 | } |
2a74fbf4 |
627 | return 0; |
963b5f2d |
628 | } |
3aee1200 |
629 | #endif //0 |
6cd62ccf |
630 | |
963b5f2d |
631 | /***************************************************************************** |
632 | *A trace is specified as a pathname to the directory containing all the |
633 | *associated data (control tracefiles, per cpu tracefiles, event |
634 | *descriptions...). |
635 | * |
636 | *When a trace is closed, all the associated facilities, types and fields |
637 | *are released as well. |
8d1e6362 |
638 | */ |
639 | |
640 | |
641 | /**************************************************************************** |
642 | * get_absolute_pathname |
803229fa |
643 | * |
8d1e6362 |
644 | * return the unique pathname in the system |
645 | * |
ef35d837 |
646 | * MD : Fixed this function so it uses realpath, dealing well with |
647 | * forgotten cases (.. were not used correctly before). |
803229fa |
648 | * |
963b5f2d |
649 | ****************************************************************************/ |
45e14832 |
650 | void get_absolute_pathname(const gchar *pathname, gchar * abs_pathname) |
9f797243 |
651 | { |
9f797243 |
652 | abs_pathname[0] = '\0'; |
803229fa |
653 | |
ef35d837 |
654 | if ( realpath (pathname, abs_pathname) != NULL) |
655 | return; |
656 | else |
657 | { |
8d1e6362 |
658 | /* error, return the original path unmodified */ |
ef35d837 |
659 | strcpy(abs_pathname, pathname); |
9f797243 |
660 | return; |
661 | } |
ef35d837 |
662 | return; |
9f797243 |
663 | } |
664 | |
3aee1200 |
665 | /* Search for something like : .*_.* |
666 | * |
667 | * The left side is the name, the right side is the number. |
668 | */ |
669 | |
ae3d0f50 |
670 | int get_tracefile_name_number(gchar *raw_name, |
3aee1200 |
671 | GQuark *name, |
ae3d0f50 |
672 | guint *num, |
62e4e7bf |
673 | guint *tid, |
674 | guint *pgid, |
675 | guint64 *creation) |
6cd62ccf |
676 | { |
3aee1200 |
677 | guint raw_name_len = strlen(raw_name); |
678 | gchar char_name[PATH_MAX]; |
3aee1200 |
679 | int i; |
680 | int underscore_pos; |
681 | long int cpu_num; |
682 | gchar *endptr; |
62e4e7bf |
683 | gchar *tmpptr; |
3aee1200 |
684 | |
685 | for(i=raw_name_len-1;i>=0;i--) { |
686 | if(raw_name[i] == '_') break; |
687 | } |
ae3d0f50 |
688 | if(i==-1) { /* Either not found or name length is 0 */ |
62e4e7bf |
689 | /* This is a userspace tracefile */ |
690 | strncpy(char_name, raw_name, raw_name_len); |
691 | char_name[raw_name_len] = '\0'; |
692 | *name = g_quark_from_string(char_name); |
693 | *num = 0; /* unknown cpu */ |
694 | for(i=0;i<raw_name_len;i++) { |
695 | if(raw_name[i] == '/') { |
696 | break; |
697 | } |
698 | } |
699 | i++; |
700 | for(;i<raw_name_len;i++) { |
701 | if(raw_name[i] == '/') { |
702 | break; |
703 | } |
704 | } |
705 | i++; |
706 | for(;i<raw_name_len;i++) { |
707 | if(raw_name[i] == '-') { |
708 | break; |
709 | } |
710 | } |
711 | if(i == raw_name_len) return -1; |
712 | i++; |
713 | tmpptr = &raw_name[i]; |
714 | for(;i<raw_name_len;i++) { |
715 | if(raw_name[i] == '.') { |
716 | raw_name[i] = ' '; |
717 | break; |
718 | } |
719 | } |
720 | *tid = strtoul(tmpptr, &endptr, 10); |
721 | if(endptr == tmpptr) |
722 | return -1; /* No digit */ |
723 | if(*tid == ULONG_MAX) |
724 | return -1; /* underflow / overflow */ |
725 | i++; |
726 | tmpptr = &raw_name[i]; |
727 | for(;i<raw_name_len;i++) { |
728 | if(raw_name[i] == '.') { |
729 | raw_name[i] = ' '; |
730 | break; |
731 | } |
732 | } |
733 | *pgid = strtoul(tmpptr, &endptr, 10); |
734 | if(endptr == tmpptr) |
735 | return -1; /* No digit */ |
736 | if(*pgid == ULONG_MAX) |
737 | return -1; /* underflow / overflow */ |
738 | i++; |
739 | tmpptr = &raw_name[i]; |
740 | *creation = strtoull(tmpptr, &endptr, 10); |
741 | if(endptr == tmpptr) |
742 | return -1; /* No digit */ |
743 | if(*creation == G_MAXUINT64) |
744 | return -1; /* underflow / overflow */ |
745 | } else { |
746 | underscore_pos = i; |
747 | |
748 | cpu_num = strtol(raw_name+underscore_pos+1, &endptr, 10); |
749 | |
750 | if(endptr == raw_name+underscore_pos+1) |
751 | return -1; /* No digit */ |
752 | if(cpu_num == LONG_MIN || cpu_num == LONG_MAX) |
753 | return -1; /* underflow / overflow */ |
754 | |
755 | strncpy(char_name, raw_name, underscore_pos); |
756 | char_name[underscore_pos] = '\0'; |
757 | |
758 | *name = g_quark_from_string(char_name); |
759 | *num = cpu_num; |
760 | } |
69bd59ed |
761 | |
b333a76b |
762 | |
3aee1200 |
763 | return 0; |
764 | } |
963b5f2d |
765 | |
3aee1200 |
766 | |
3865ea09 |
767 | GData **ltt_trace_get_tracefiles_groups(LttTrace *trace) |
77175651 |
768 | { |
3865ea09 |
769 | return &trace->tracefiles; |
77175651 |
770 | } |
771 | |
772 | |
3865ea09 |
773 | void compute_tracefile_group(GQuark key_id, |
774 | GArray *group, |
775 | struct compute_tracefile_group_args *args) |
77175651 |
776 | { |
777 | int i; |
778 | LttTracefile *tf; |
779 | |
780 | for(i=0; i<group->len; i++) { |
781 | tf = &g_array_index (group, LttTracefile, i); |
782 | if(tf->cpu_online) |
3865ea09 |
783 | args->func(tf, args->func_args); |
77175651 |
784 | } |
785 | } |
786 | |
787 | |
3aee1200 |
788 | void ltt_tracefile_group_destroy(gpointer data) |
789 | { |
790 | GArray *group = (GArray *)data; |
791 | int i; |
792 | LttTracefile *tf; |
793 | |
794 | for(i=0; i<group->len; i++) { |
795 | tf = &g_array_index (group, LttTracefile, i); |
796 | if(tf->cpu_online) |
797 | ltt_tracefile_close(tf); |
798 | } |
799 | g_array_free(group, TRUE); |
6cd62ccf |
800 | } |
801 | |
3aee1200 |
802 | gboolean ltt_tracefile_group_has_cpu_online(gpointer data) |
49bf71b5 |
803 | { |
3aee1200 |
804 | GArray *group = (GArray *)data; |
805 | int i; |
806 | LttTracefile *tf; |
807 | |
808 | for(i=0; i<group->len; i++) { |
809 | tf = &g_array_index (group, LttTracefile, i); |
3c165eaf |
810 | if(tf->cpu_online) |
811 | return 1; |
3aee1200 |
812 | } |
813 | return 0; |
49bf71b5 |
814 | } |
815 | |
816 | |
3aee1200 |
817 | /* Open each tracefile under a specific directory. Put them in a |
818 | * GData : permits to access them using their tracefile group pathname. |
819 | * i.e. access control/modules tracefile group by index : |
820 | * "control/module". |
3865ea09 |
821 | * |
822 | * relative path is the path relative to the trace root |
823 | * root path is the full path |
3aee1200 |
824 | * |
4a55f63e |
825 | * A tracefile group is simply an array where all the per cpu tracefiles sit. |
3aee1200 |
826 | */ |
827 | |
3c165eaf |
828 | int open_tracefiles(LttTrace *trace, gchar *root_path, gchar *relative_path) |
f7afe191 |
829 | { |
62e4e7bf |
830 | DIR *dir = opendir(root_path); |
831 | struct dirent *entry; |
832 | struct stat stat_buf; |
833 | int ret; |
3865ea09 |
834 | |
62e4e7bf |
835 | gchar path[PATH_MAX]; |
836 | int path_len; |
837 | gchar *path_ptr; |
3aee1200 |
838 | |
3865ea09 |
839 | int rel_path_len; |
69bd59ed |
840 | gchar rel_path[PATH_MAX]; |
841 | gchar *rel_path_ptr; |
cb03932a |
842 | LttTracefile tmp_tf; |
3865ea09 |
843 | |
62e4e7bf |
844 | if(dir == NULL) { |
845 | perror(root_path); |
846 | return ENOENT; |
847 | } |
3aee1200 |
848 | |
62e4e7bf |
849 | strncpy(path, root_path, PATH_MAX-1); |
850 | path_len = strlen(path); |
851 | path[path_len] = '/'; |
852 | path_len++; |
853 | path_ptr = path + path_len; |
3aee1200 |
854 | |
3865ea09 |
855 | strncpy(rel_path, relative_path, PATH_MAX-1); |
856 | rel_path_len = strlen(rel_path); |
857 | rel_path[rel_path_len] = '/'; |
858 | rel_path_len++; |
859 | rel_path_ptr = rel_path + rel_path_len; |
860 | |
62e4e7bf |
861 | while((entry = readdir(dir)) != NULL) { |
862 | |
863 | if(entry->d_name[0] == '.') continue; |
864 | |
865 | strncpy(path_ptr, entry->d_name, PATH_MAX - path_len); |
866 | strncpy(rel_path_ptr, entry->d_name, PATH_MAX - rel_path_len); |
867 | |
868 | ret = stat(path, &stat_buf); |
869 | if(ret == -1) { |
870 | perror(path); |
871 | continue; |
872 | } |
873 | |
874 | g_debug("Tracefile file or directory : %s\n", path); |
875 | |
74a588bb |
876 | if(strcmp(rel_path, "/eventdefs") == 0) continue; |
877 | |
62e4e7bf |
878 | if(S_ISDIR(stat_buf.st_mode)) { |
3aee1200 |
879 | |
62e4e7bf |
880 | g_debug("Entering subdirectory...\n"); |
881 | ret = open_tracefiles(trace, path, rel_path); |
882 | if(ret < 0) continue; |
883 | } else if(S_ISREG(stat_buf.st_mode)) { |
884 | GQuark name; |
ae3d0f50 |
885 | guint num, tid, pgid; |
62e4e7bf |
886 | guint64 creation; |
3aee1200 |
887 | GArray *group; |
ae3d0f50 |
888 | num = tid = pgid = 0; |
62e4e7bf |
889 | creation = 0; |
ae3d0f50 |
890 | if(get_tracefile_name_number(rel_path, &name, &num, &tid, &pgid, &creation)) |
3aee1200 |
891 | continue; /* invalid name */ |
3865ea09 |
892 | |
62e4e7bf |
893 | g_debug("Opening file.\n"); |
cb03932a |
894 | if(ltt_tracefile_open(trace, path, &tmp_tf)) { |
895 | g_info("Error opening tracefile %s", path); |
896 | |
897 | continue; /* error opening the tracefile : bad magic number ? */ |
898 | } |
899 | |
3865ea09 |
900 | g_debug("Tracefile name is %s and number is %u", |
901 | g_quark_to_string(name), num); |
902 | |
cb03932a |
903 | tmp_tf.cpu_online = 1; |
904 | tmp_tf.cpu_num = num; |
d3d34f49 |
905 | tmp_tf.name = name; |
62e4e7bf |
906 | tmp_tf.tid = tid; |
907 | tmp_tf.pgid = pgid; |
908 | tmp_tf.creation = creation; |
d1bb700c |
909 | if(tmp_tf.name == g_quark_from_string("/compact") |
62e4e7bf |
910 | || tmp_tf.name == g_quark_from_string("/flight-compact")) |
911 | tmp_tf.compact = 1; |
d1bb700c |
912 | else |
62e4e7bf |
913 | tmp_tf.compact = 0; |
3865ea09 |
914 | group = g_datalist_id_get_data(&trace->tracefiles, name); |
3aee1200 |
915 | if(group == NULL) { |
916 | /* Elements are automatically cleared when the array is allocated. |
917 | * It makes the cpu_online variable set to 0 : cpu offline, by default. |
918 | */ |
919 | group = g_array_sized_new (FALSE, TRUE, sizeof(LttTracefile), 10); |
3865ea09 |
920 | g_datalist_id_set_data_full(&trace->tracefiles, name, |
3aee1200 |
921 | group, ltt_tracefile_group_destroy); |
922 | } |
cb03932a |
923 | |
3aee1200 |
924 | /* Add the per cpu tracefile to the named group */ |
925 | unsigned int old_len = group->len; |
926 | if(num+1 > old_len) |
927 | group = g_array_set_size(group, num+1); |
cb03932a |
928 | g_array_index (group, LttTracefile, num) = tmp_tf; |
afd57a3c |
929 | g_array_index (group, LttTracefile, num).event.tracefile = |
930 | &g_array_index (group, LttTracefile, num); |
62e4e7bf |
931 | } |
932 | } |
933 | |
934 | closedir(dir); |
3aee1200 |
935 | |
62e4e7bf |
936 | return 0; |
f7afe191 |
937 | } |
938 | |
3aee1200 |
939 | /* ltt_get_facility_description |
940 | * |
29e7c5b3 |
941 | * Opens the file corresponding to the requested facility (identified by fac_id |
3aee1200 |
942 | * and checksum). |
943 | * |
944 | * The name searched is : %trace root%/eventdefs/facname_checksum.xml |
945 | * |
946 | * Returns 0 on success, or 1 on failure. |
947 | */ |
3c165eaf |
948 | #if 0 |
3aee1200 |
949 | static int ltt_get_facility_description(LttFacility *f, |
950 | LttTrace *t, |
951 | LttTracefile *fac_tf) |
6cd62ccf |
952 | { |
3aee1200 |
953 | char desc_file_name[PATH_MAX]; |
954 | const gchar *text; |
955 | guint textlen; |
956 | gint err; |
62e4e7bf |
957 | gint arch_spec; |
958 | gint fac_name_len; |
3aee1200 |
959 | |
960 | text = g_quark_to_string(t->pathname); |
961 | textlen = strlen(text); |
962 | |
963 | if(textlen >= PATH_MAX) goto name_error; |
964 | strcpy(desc_file_name, text); |
965 | |
966 | text = "/eventdefs/"; |
967 | textlen+=strlen(text); |
968 | if(textlen >= PATH_MAX) goto name_error; |
969 | strcat(desc_file_name, text); |
970 | |
971 | text = g_quark_to_string(f->name); |
62e4e7bf |
972 | fac_name_len = strlen(text); |
f5d7967f |
973 | textlen+=fac_name_len; |
3aee1200 |
974 | if(textlen >= PATH_MAX) goto name_error; |
975 | strcat(desc_file_name, text); |
f5d7967f |
976 | |
62e4e7bf |
977 | /* arch specific facilities are named like this : name_arch */ |
978 | if(fac_name_len+1 < sizeof("_arch")) |
979 | arch_spec = 0; |
980 | else { |
981 | if(!strcmp(&text[fac_name_len+1-sizeof("_arch")], "_arch")) |
982 | arch_spec = 1; |
983 | else |
984 | arch_spec = 0; |
985 | } |
f5d7967f |
986 | |
29e7c5b3 |
987 | #if 0 |
3aee1200 |
988 | text = "_"; |
989 | textlen+=strlen(text); |
990 | if(textlen >= PATH_MAX) goto name_error; |
991 | strcat(desc_file_name, text); |
963b5f2d |
992 | |
3aee1200 |
993 | err = snprintf(desc_file_name+textlen, PATH_MAX-textlen-1, |
994 | "%u", f->checksum); |
d2083cab |
995 | if(err < 0) goto name_error; |
3aee1200 |
996 | |
997 | textlen=strlen(desc_file_name); |
998 | |
29e7c5b3 |
999 | #endif //0 |
62e4e7bf |
1000 | |
1001 | if(arch_spec) { |
1002 | switch(t->arch_type) { |
1003 | case LTT_ARCH_TYPE_I386: |
1004 | text = "_i386"; |
1005 | break; |
1006 | case LTT_ARCH_TYPE_PPC: |
1007 | text = "_ppc"; |
1008 | break; |
1009 | case LTT_ARCH_TYPE_SH: |
1010 | text = "_sh"; |
1011 | break; |
1012 | case LTT_ARCH_TYPE_S390: |
1013 | text = "_s390"; |
1014 | break; |
1015 | case LTT_ARCH_TYPE_MIPS: |
1016 | text = "_mips"; |
1017 | break; |
1018 | case LTT_ARCH_TYPE_ARM: |
1019 | text = "_arm"; |
1020 | break; |
1021 | case LTT_ARCH_TYPE_PPC64: |
1022 | text = "_ppc64"; |
1023 | break; |
1024 | case LTT_ARCH_TYPE_X86_64: |
1025 | text = "_x86_64"; |
1026 | break; |
1027 | case LTT_ARCH_TYPE_C2: |
1028 | text = "_c2"; |
1029 | break; |
1030 | case LTT_ARCH_TYPE_POWERPC: |
1031 | text = "_powerpc"; |
1032 | break; |
1033 | default: |
1034 | g_error("Trace from unsupported architecture."); |
1035 | } |
1036 | textlen+=strlen(text); |
1037 | if(textlen >= PATH_MAX) goto name_error; |
1038 | strcat(desc_file_name, text); |
1039 | } |
1040 | |
3aee1200 |
1041 | text = ".xml"; |
1042 | textlen+=strlen(text); |
1043 | if(textlen >= PATH_MAX) goto name_error; |
1044 | strcat(desc_file_name, text); |
29e7c5b3 |
1045 | |
3aee1200 |
1046 | err = ltt_facility_open(f, t, desc_file_name); |
1047 | if(err) goto facility_error; |
3aee1200 |
1048 | |
1049 | return 0; |
1050 | |
1051 | facility_error: |
1052 | name_error: |
1053 | return 1; |
1054 | } |
1055 | |
1056 | static void ltt_fac_ids_destroy(gpointer data) |
1057 | { |
1058 | GArray *fac_ids = (GArray *)data; |
963b5f2d |
1059 | |
3aee1200 |
1060 | g_array_free(fac_ids, TRUE); |
1061 | } |
3c165eaf |
1062 | #endif //0 |
3aee1200 |
1063 | |
1064 | /* Presumes the tracefile is already seeked at the beginning. It makes sense, |
1065 | * because it must be done just after the opening */ |
3c165eaf |
1066 | int ltt_process_facility_tracefile(LttTracefile *tf) |
3aee1200 |
1067 | { |
1068 | int err; |
29af7cfd |
1069 | //LttFacility *fac; |
1070 | //GArray *fac_ids; |
cb03932a |
1071 | guint i; |
29af7cfd |
1072 | //LttEventType *et; |
3aee1200 |
1073 | |
1074 | while(1) { |
1075 | err = ltt_tracefile_read_seek(tf); |
1076 | if(err == EPERM) goto seek_error; |
1077 | else if(err == ERANGE) break; /* End of tracefile */ |
1078 | |
1079 | err = ltt_tracefile_read_update_event(tf); |
1080 | if(err) goto update_error; |
1081 | |
1082 | /* We are on a facility load/or facility unload/ or heartbeat event */ |
1083 | /* The rules are : |
1084 | * * facility 0 is hardcoded : this is the core facility. It will be shown |
1085 | * in the facility array though, and is shown as "loaded builtin" in the |
1086 | * trace. |
1087 | * It contains event : |
1088 | * 0 : facility load |
1089 | * 1 : facility unload |
1090 | * 2 : state dump facility load |
d2083cab |
1091 | * 3 : heartbeat |
3aee1200 |
1092 | */ |
3c165eaf |
1093 | if(tf->event.event_id >= MARKER_CORE_IDS) { |
d2083cab |
1094 | /* Should only contain core facility */ |
3aee1200 |
1095 | g_warning("Error in processing facility file %s, " |
3c165eaf |
1096 | "should not contain event id %u.", g_quark_to_string(tf->name), |
1097 | tf->event.event_id); |
3aee1200 |
1098 | err = EPERM; |
3c165eaf |
1099 | goto event_id_error; |
d2083cab |
1100 | } else { |
3aee1200 |
1101 | |
2e13d6af |
1102 | char *pos; |
3c165eaf |
1103 | const char *marker_name, *format; |
1104 | uint16_t id; |
1105 | guint8 int_size, long_size, pointer_size, size_t_size, alignment; |
3aee1200 |
1106 | |
1107 | // FIXME align |
3c165eaf |
1108 | switch((enum marker_id)tf->event.event_id) { |
1109 | case MARKER_ID_SET_MARKER_ID: |
2e13d6af |
1110 | marker_name = pos = tf->event.data; |
3c165eaf |
1111 | g_debug("Doing MARKER_ID_SET_MARKER_ID of marker %s", marker_name); |
2e13d6af |
1112 | pos += strlen(marker_name) + 1; |
1113 | //remove genevent compatibility |
256a5b3a |
1114 | //pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment); |
1115 | pos += ltt_align((size_t)pos, sizeof(uint16_t), tf->alignment); |
3c165eaf |
1116 | id = ltt_get_uint16(LTT_GET_BO(tf), pos); |
c7146c5c |
1117 | g_debug("In MARKER_ID_SET_MARKER_ID of marker %s id %hu", |
1118 | marker_name, id); |
3c165eaf |
1119 | pos += sizeof(guint16); |
1120 | int_size = *(guint8*)pos; |
1121 | pos += sizeof(guint8); |
1122 | long_size = *(guint8*)pos; |
1123 | pos += sizeof(guint8); |
1124 | pointer_size = *(guint8*)pos; |
1125 | pos += sizeof(guint8); |
1126 | size_t_size = *(guint8*)pos; |
1127 | pos += sizeof(guint8); |
1128 | alignment = *(guint8*)pos; |
1129 | pos += sizeof(guint8); |
1130 | marker_id_event(tf->trace, g_quark_from_string(marker_name), |
1131 | id, int_size, long_size, |
1132 | pointer_size, size_t_size, alignment); |
3aee1200 |
1133 | break; |
3c165eaf |
1134 | case MARKER_ID_SET_MARKER_FORMAT: |
2e13d6af |
1135 | marker_name = pos = tf->event.data; |
3c165eaf |
1136 | g_debug("Doing MARKER_ID_SET_MARKER_FORMAT of marker %s", |
1137 | marker_name); |
2e13d6af |
1138 | pos += strlen(marker_name) + 1; |
1139 | //break genevent. |
256a5b3a |
1140 | //pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment); |
2e13d6af |
1141 | format = pos; |
3c165eaf |
1142 | pos += strlen(format) + 1; |
2e13d6af |
1143 | //break genevent |
256a5b3a |
1144 | //pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment); |
3c165eaf |
1145 | marker_format_event(tf->trace, g_quark_from_string(marker_name), |
1146 | format); |
1147 | /* get information from dictionnary TODO */ |
3aee1200 |
1148 | break; |
3c165eaf |
1149 | case MARKER_ID_HEARTBEAT_32: |
1150 | case MARKER_ID_HEARTBEAT_64: |
d1bb700c |
1151 | break; |
3aee1200 |
1152 | default: |
1153 | g_warning("Error in processing facility file %s, " |
3c165eaf |
1154 | "unknown event id %hhu.", |
3aee1200 |
1155 | g_quark_to_string(tf->name), |
1156 | tf->event.event_id); |
1157 | err = EPERM; |
1158 | goto event_id_error; |
1159 | } |
1160 | } |
963b5f2d |
1161 | } |
3aee1200 |
1162 | return 0; |
963b5f2d |
1163 | |
3aee1200 |
1164 | /* Error handling */ |
3aee1200 |
1165 | event_id_error: |
3aee1200 |
1166 | update_error: |
1167 | seek_error: |
d2083cab |
1168 | g_warning("An error occured in facility tracefile parsing"); |
3aee1200 |
1169 | return err; |
6cd62ccf |
1170 | } |
1171 | |
963b5f2d |
1172 | |
3aee1200 |
1173 | LttTrace *ltt_trace_open(const gchar *pathname) |
1174 | { |
1175 | gchar abs_path[PATH_MAX]; |
1176 | LttTrace * t; |
1177 | LttTracefile *tf; |
1178 | GArray *group; |
b56dcdf2 |
1179 | int i, ret; |
16fcbb80 |
1180 | struct ltt_block_start_header *header; |
62e4e7bf |
1181 | DIR *dir; |
1182 | struct dirent *entry; |
b56dcdf2 |
1183 | guint control_found = 0; |
1184 | guint eventdefs_found = 0; |
62e4e7bf |
1185 | struct stat stat_buf; |
b56dcdf2 |
1186 | gchar path[PATH_MAX]; |
3aee1200 |
1187 | |
1188 | t = g_new(LttTrace, 1); |
1189 | if(!t) goto alloc_error; |
1190 | |
1191 | get_absolute_pathname(pathname, abs_path); |
1192 | t->pathname = g_quark_from_string(abs_path); |
1193 | |
3aee1200 |
1194 | g_datalist_init(&t->tracefiles); |
b56dcdf2 |
1195 | |
1196 | /* Test to see if it looks like a trace */ |
62e4e7bf |
1197 | dir = opendir(abs_path); |
1198 | if(dir == NULL) { |
1199 | perror(abs_path); |
1200 | goto open_error; |
1201 | } |
1202 | while((entry = readdir(dir)) != NULL) { |
b56dcdf2 |
1203 | strcpy(path, abs_path); |
1204 | strcat(path, "/"); |
1205 | strcat(path, entry->d_name); |
62e4e7bf |
1206 | ret = stat(path, &stat_buf); |
1207 | if(ret == -1) { |
1208 | perror(path); |
1209 | continue; |
1210 | } |
1211 | if(S_ISDIR(stat_buf.st_mode)) { |
b56dcdf2 |
1212 | if(strcmp(entry->d_name, "control") == 0) { |
1213 | control_found = 1; |
1214 | } |
1215 | if(strcmp(entry->d_name, "eventdefs") == 0) { |
1216 | eventdefs_found = 1; |
1217 | } |
1218 | } |
1219 | } |
1220 | closedir(dir); |
1221 | |
1222 | if(!control_found || !eventdefs_found) goto find_error; |
1223 | |
1224 | /* Open all the tracefiles */ |
e45551ac |
1225 | if(open_tracefiles(t, abs_path, "")) { |
1226 | g_warning("Error opening tracefile %s", abs_path); |
b56dcdf2 |
1227 | goto find_error; |
e45551ac |
1228 | } |
3aee1200 |
1229 | |
3aee1200 |
1230 | /* Parse each trace control/facilitiesN files : get runtime fac. info */ |
1231 | group = g_datalist_id_get_data(&t->tracefiles, LTT_TRACEFILE_NAME_FACILITIES); |
1232 | if(group == NULL) { |
1233 | g_error("Trace %s has no facility tracefile", abs_path); |
3865ea09 |
1234 | g_assert(0); |
3aee1200 |
1235 | goto facilities_error; |
1236 | } |
1237 | |
16fcbb80 |
1238 | /* Get the trace information for the control/facility 0 tracefile */ |
1239 | g_assert(group->len > 0); |
1240 | tf = &g_array_index (group, LttTracefile, 0); |
1241 | header = (struct ltt_block_start_header*)tf->buffer.head; |
51551c6f |
1242 | g_assert(parse_trace_header(header->trace, |
1243 | tf, t) == 0); |
b56dcdf2 |
1244 | |
1245 | t->num_cpu = group->len; |
16fcbb80 |
1246 | |
d79909d1 |
1247 | ret = allocate_marker_data(t); |
b44ba972 |
1248 | if (ret) |
d79909d1 |
1249 | g_error("Error in allocating marker data"); |
1250 | |
3aee1200 |
1251 | for(i=0; i<group->len; i++) { |
1252 | tf = &g_array_index (group, LttTracefile, i); |
1253 | if(ltt_process_facility_tracefile(tf)) |
1254 | goto facilities_error; |
1255 | } |
dd3a6d39 |
1256 | |
3aee1200 |
1257 | return t; |
1258 | |
1259 | /* Error handling */ |
1260 | facilities_error: |
d79909d1 |
1261 | destroy_marker_data(t); |
b56dcdf2 |
1262 | find_error: |
3aee1200 |
1263 | g_datalist_clear(&t->tracefiles); |
b56dcdf2 |
1264 | open_error: |
3aee1200 |
1265 | g_free(t); |
1266 | alloc_error: |
1267 | return NULL; |
1268 | |
1269 | } |
6cd62ccf |
1270 | |
826f1ab2 |
1271 | GQuark ltt_trace_name(const LttTrace *t) |
6cd62ccf |
1272 | { |
3aee1200 |
1273 | return t->pathname; |
6cd62ccf |
1274 | } |
1275 | |
6cd62ccf |
1276 | |
3aee1200 |
1277 | /****************************************************************************** |
1278 | * When we copy a trace, we want all the opening actions to happen again : |
1279 | * the trace will be reopened and totally independant from the original. |
1280 | * That's why we call ltt_trace_open. |
1281 | *****************************************************************************/ |
1282 | LttTrace *ltt_trace_copy(LttTrace *self) |
963b5f2d |
1283 | { |
3aee1200 |
1284 | return ltt_trace_open(g_quark_to_string(self->pathname)); |
963b5f2d |
1285 | } |
1286 | |
3aee1200 |
1287 | void ltt_trace_close(LttTrace *t) |
6cd62ccf |
1288 | { |
3aee1200 |
1289 | g_datalist_clear(&t->tracefiles); |
1290 | g_free(t); |
6cd62ccf |
1291 | } |
1292 | |
3aee1200 |
1293 | |
6cd62ccf |
1294 | /***************************************************************************** |
3aee1200 |
1295 | *Get the system description of the trace |
6cd62ccf |
1296 | ****************************************************************************/ |
3c165eaf |
1297 | #if 0 |
3aee1200 |
1298 | LttFacility *ltt_trace_facility_by_id(LttTrace *t, guint8 id) |
6cd62ccf |
1299 | { |
3aee1200 |
1300 | g_assert(id < t->facilities_by_num->len); |
1301 | return &g_array_index(t->facilities_by_num, LttFacility, id); |
1302 | } |
1303 | |
1304 | /* ltt_trace_facility_get_by_name |
1305 | * |
1306 | * Returns the GArray of facility indexes. All the fac_ids that matches the |
1307 | * requested facility name. |
1308 | * |
1309 | * If name is not found, returns NULL. |
1310 | */ |
1311 | GArray *ltt_trace_facility_get_by_name(LttTrace *t, GQuark name) |
1312 | { |
1313 | return g_datalist_id_get_data(&t->facilities_by_name, name); |
6cd62ccf |
1314 | } |
3c165eaf |
1315 | #endif //0 |
6cd62ccf |
1316 | |
1317 | /***************************************************************************** |
963b5f2d |
1318 | * Functions to discover all the event types in the trace |
6cd62ccf |
1319 | ****************************************************************************/ |
1320 | |
3aee1200 |
1321 | #if 0 |
963b5f2d |
1322 | unsigned ltt_trace_eventtype_number(LttTrace *t) |
6cd62ccf |
1323 | { |
8d1e6362 |
1324 | unsigned int i; |
963b5f2d |
1325 | unsigned count = 0; |
dc1cad90 |
1326 | unsigned int num = t->facility_number; |
963b5f2d |
1327 | LttFacility * f; |
dc1cad90 |
1328 | |
1329 | for(i=0;i<num;i++){ |
963b5f2d |
1330 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
1331 | count += f->event_number; |
1332 | } |
1333 | return count; |
6cd62ccf |
1334 | } |
3aee1200 |
1335 | #endif //0 |
6cd62ccf |
1336 | |
3aee1200 |
1337 | #if 0 |
1338 | //use an iteration on all the trace facilities, and inside iteration on all the |
1339 | //event types in each facilities instead. |
963b5f2d |
1340 | LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId) |
6cd62ccf |
1341 | { |
6e8c19d4 |
1342 | LttEventType *event_type; |
1343 | |
963b5f2d |
1344 | LttFacility * f; |
1345 | f = ltt_trace_facility_by_id(t,evId); |
6e8c19d4 |
1346 | |
1347 | if(unlikely(!f)) event_type = NULL; |
1348 | else event_type = f->events[evId - f->base_id]; |
1349 | |
1350 | return event_type; |
6cd62ccf |
1351 | } |
3aee1200 |
1352 | #endif //0 |
6cd62ccf |
1353 | |
3aee1200 |
1354 | #if 0 |
6cd62ccf |
1355 | /***************************************************************************** |
3aee1200 |
1356 | * ltt_trace_find_tracefile |
1357 | * |
1358 | * Find a tracefile by name and index in the group. |
1359 | * |
1360 | * Returns a pointer to the tracefiles, else NULL. |
6cd62ccf |
1361 | ****************************************************************************/ |
6cd62ccf |
1362 | |
3aee1200 |
1363 | LttTracefile *ltt_trace_find_tracefile(LttTrace *t, const gchar *name) |
6cd62ccf |
1364 | { |
6cd62ccf |
1365 | } |
3aee1200 |
1366 | #endif //0 |
6cd62ccf |
1367 | |
1368 | /***************************************************************************** |
3aee1200 |
1369 | * Get the start time and end time of the trace |
6cd62ccf |
1370 | ****************************************************************************/ |
1371 | |
3c165eaf |
1372 | void ltt_tracefile_time_span_get(LttTracefile *tf, |
3aee1200 |
1373 | LttTime *start, LttTime *end) |
6cd62ccf |
1374 | { |
3aee1200 |
1375 | int err; |
6cd62ccf |
1376 | |
3aee1200 |
1377 | err = map_block(tf, 0); |
1378 | if(unlikely(err)) { |
1379 | g_error("Can not map block"); |
1380 | *start = ltt_time_infinite; |
1381 | } else |
1382 | *start = tf->buffer.begin.timestamp; |
1383 | |
1384 | err = map_block(tf, tf->num_blocks - 1); /* Last block */ |
1385 | if(unlikely(err)) { |
1386 | g_error("Can not map block"); |
1387 | *end = ltt_time_zero; |
1388 | } else |
1389 | *end = tf->buffer.end.timestamp; |
6cd62ccf |
1390 | } |
1391 | |
3aee1200 |
1392 | struct tracefile_time_span_get_args { |
1393 | LttTrace *t; |
1394 | LttTime *start; |
1395 | LttTime *end; |
1396 | }; |
963b5f2d |
1397 | |
3c165eaf |
1398 | void group_time_span_get(GQuark name, gpointer data, gpointer user_data) |
963b5f2d |
1399 | { |
3aee1200 |
1400 | struct tracefile_time_span_get_args *args = |
1401 | (struct tracefile_time_span_get_args*)user_data; |
1402 | |
1403 | GArray *group = (GArray *)data; |
1404 | int i; |
1405 | LttTracefile *tf; |
1406 | LttTime tmp_start; |
1407 | LttTime tmp_end; |
1408 | |
1409 | for(i=0; i<group->len; i++) { |
1410 | tf = &g_array_index (group, LttTracefile, i); |
1411 | if(tf->cpu_online) { |
1412 | ltt_tracefile_time_span_get(tf, &tmp_start, &tmp_end); |
1413 | if(ltt_time_compare(*args->start, tmp_start)>0) *args->start = tmp_start; |
1414 | if(ltt_time_compare(*args->end, tmp_end)<0) *args->end = tmp_end; |
1415 | } |
1416 | } |
6cd62ccf |
1417 | } |
1418 | |
487ad181 |
1419 | void ltt_trace_time_span_get(LttTrace *t, LttTime *start, LttTime *end) |
1420 | { |
3aee1200 |
1421 | LttTime min_start = ltt_time_infinite; |
1422 | LttTime max_end = ltt_time_zero; |
1423 | struct tracefile_time_span_get_args args = { t, &min_start, &max_end }; |
487ad181 |
1424 | |
3aee1200 |
1425 | g_datalist_foreach(&t->tracefiles, &group_time_span_get, &args); |
1426 | |
1427 | if(start != NULL) *start = min_start; |
1428 | if(end != NULL) *end = max_end; |
1429 | |
487ad181 |
1430 | } |
1431 | |
1432 | |
6cd62ccf |
1433 | /***************************************************************************** |
963b5f2d |
1434 | *Get the name of a tracefile |
6cd62ccf |
1435 | ****************************************************************************/ |
1436 | |
348c6ba8 |
1437 | GQuark ltt_tracefile_name(const LttTracefile *tf) |
6cd62ccf |
1438 | { |
963b5f2d |
1439 | return tf->name; |
6cd62ccf |
1440 | } |
1441 | |
348c6ba8 |
1442 | GQuark ltt_tracefile_long_name(const LttTracefile *tf) |
1443 | { |
1444 | return tf->long_name; |
1445 | } |
1446 | |
1447 | |
d3d34f49 |
1448 | |
ae3d0f50 |
1449 | guint ltt_tracefile_cpu(LttTracefile *tf) |
d3d34f49 |
1450 | { |
1451 | return tf->cpu_num; |
1452 | } |
1453 | |
ae3d0f50 |
1454 | guint ltt_tracefile_tid(LttTracefile *tf) |
1455 | { |
1456 | return tf->tid; |
1457 | } |
1458 | |
1459 | guint ltt_tracefile_pgid(LttTracefile *tf) |
1460 | { |
1461 | return tf->pgid; |
1462 | } |
1463 | |
1464 | guint64 ltt_tracefile_creation(LttTracefile *tf) |
1465 | { |
1466 | return tf->creation; |
1467 | } |
80da81ad |
1468 | /***************************************************************************** |
1469 | * Get the number of blocks in the tracefile |
1470 | ****************************************************************************/ |
1471 | |
3aee1200 |
1472 | guint ltt_tracefile_block_number(LttTracefile *tf) |
80da81ad |
1473 | { |
3aee1200 |
1474 | return tf->num_blocks; |
80da81ad |
1475 | } |
1476 | |
caf7a67a |
1477 | |
3aee1200 |
1478 | /* Seek to the first event in a tracefile that has a time equal or greater than |
1479 | * the time passed in parameter. |
1480 | * |
1481 | * If the time parameter is outside the tracefile time span, seek to the first |
27304273 |
1482 | * event or if after, return ERANGE. |
3aee1200 |
1483 | * |
1484 | * If the time parameter is before the first event, we have to seek specially to |
1485 | * there. |
1486 | * |
27304273 |
1487 | * If the time is after the end of the trace, return ERANGE. |
3aee1200 |
1488 | * |
1489 | * Do a binary search to find the right block, then a sequential search in the |
1490 | * block to find the event. |
1491 | * |
1492 | * In the special case where the time requested fits inside a block that has no |
1493 | * event corresponding to the requested time, the first event of the next block |
1494 | * will be seeked. |
1495 | * |
1496 | * IMPORTANT NOTE : // FIXME everywhere... |
1497 | * |
1498 | * You MUST NOT do a ltt_tracefile_read right after a ltt_tracefile_seek_time : |
1499 | * you will jump over an event if you do. |
1500 | * |
1501 | * Return value : 0 : no error, the tf->event can be used |
27304273 |
1502 | * ERANGE : time if after the last event of the trace |
3aee1200 |
1503 | * otherwise : this is an error. |
1504 | * |
1505 | * */ |
1506 | |
1507 | int ltt_tracefile_seek_time(LttTracefile *tf, LttTime time) |
1508 | { |
1509 | int ret = 0; |
1510 | int err; |
1511 | unsigned int block_num, high, low; |
1512 | |
1513 | /* seek at the beginning of trace */ |
1514 | err = map_block(tf, 0); /* First block */ |
1515 | if(unlikely(err)) { |
1516 | g_error("Can not map block"); |
1517 | goto fail; |
caf7a67a |
1518 | } |
1519 | |
3aee1200 |
1520 | /* If the time is lower or equal the beginning of the trace, |
1521 | * go to the first event. */ |
1522 | if(ltt_time_compare(time, tf->buffer.begin.timestamp) <= 0) { |
1523 | ret = ltt_tracefile_read(tf); |
27304273 |
1524 | if(ret == ERANGE) goto range; |
1525 | else if (ret) goto fail; |
3aee1200 |
1526 | goto found; /* There is either no event in the trace or the event points |
1527 | to the first event in the trace */ |
1528 | } |
caf7a67a |
1529 | |
3aee1200 |
1530 | err = map_block(tf, tf->num_blocks - 1); /* Last block */ |
1531 | if(unlikely(err)) { |
1532 | g_error("Can not map block"); |
1533 | goto fail; |
caf7a67a |
1534 | } |
6cd62ccf |
1535 | |
27304273 |
1536 | /* If the time is after the end of the trace, return ERANGE. */ |
1537 | if(ltt_time_compare(time, tf->buffer.end.timestamp) > 0) { |
1538 | goto range; |
3aee1200 |
1539 | } |
62e55dd6 |
1540 | |
3aee1200 |
1541 | /* Binary search the block */ |
1542 | high = tf->num_blocks - 1; |
1543 | low = 0; |
1544 | |
1545 | while(1) { |
1546 | block_num = ((high-low) / 2) + low; |
1547 | |
1548 | err = map_block(tf, block_num); |
1549 | if(unlikely(err)) { |
1550 | g_error("Can not map block"); |
1551 | goto fail; |
db55eaae |
1552 | } |
3aee1200 |
1553 | if(high == low) { |
1554 | /* We cannot divide anymore : this is what would happen if the time |
1555 | * requested was exactly between two consecutive buffers'end and start |
1556 | * timestamps. This is also what would happend if we didn't deal with out |
1557 | * of span cases prior in this function. */ |
1558 | /* The event is right in the buffer! |
1559 | * (or in the next buffer first event) */ |
1560 | while(1) { |
1561 | ret = ltt_tracefile_read(tf); |
27304273 |
1562 | if(ret == ERANGE) goto range; /* ERANGE or EPERM */ |
3aee1200 |
1563 | else if(ret) goto fail; |
1564 | |
d9e13a0f |
1565 | if(ltt_time_compare(time, tf->event.event_time) <= 0) |
e45551ac |
1566 | goto found; |
3aee1200 |
1567 | } |
1568 | |
27304273 |
1569 | } else if(ltt_time_compare(time, tf->buffer.begin.timestamp) < 0) { |
3aee1200 |
1570 | /* go to lower part */ |
b1369bef |
1571 | high = block_num - 1; |
3aee1200 |
1572 | } else if(ltt_time_compare(time, tf->buffer.end.timestamp) > 0) { |
1573 | /* go to higher part */ |
b1369bef |
1574 | low = block_num + 1; |
3aee1200 |
1575 | } else {/* The event is right in the buffer! |
1576 | (or in the next buffer first event) */ |
1577 | while(1) { |
27304273 |
1578 | ret = ltt_tracefile_read(tf); |
1579 | if(ret == ERANGE) goto range; /* ERANGE or EPERM */ |
3aee1200 |
1580 | else if(ret) goto fail; |
1581 | |
d9e13a0f |
1582 | if(ltt_time_compare(time, tf->event.event_time) <= 0) |
3aee1200 |
1583 | break; |
6cd62ccf |
1584 | } |
3aee1200 |
1585 | goto found; |
6cd62ccf |
1586 | } |
6cd62ccf |
1587 | } |
3aee1200 |
1588 | |
1589 | found: |
1590 | return 0; |
27304273 |
1591 | range: |
1592 | return ERANGE; |
3aee1200 |
1593 | |
1594 | /* Error handling */ |
1595 | fail: |
1596 | g_error("ltt_tracefile_seek_time failed on tracefile %s", |
1597 | g_quark_to_string(tf->name)); |
1598 | return EPERM; |
6cd62ccf |
1599 | } |
1600 | |
80da81ad |
1601 | |
3aee1200 |
1602 | int ltt_tracefile_seek_position(LttTracefile *tf, const LttEventPosition *ep) { |
80da81ad |
1603 | |
3aee1200 |
1604 | int err; |
1605 | |
1606 | if(ep->tracefile != tf) { |
1607 | goto fail; |
80da81ad |
1608 | } |
1609 | |
3aee1200 |
1610 | err = map_block(tf, ep->block); |
1611 | if(unlikely(err)) { |
1612 | g_error("Can not map block"); |
1613 | goto fail; |
1614 | } |
1615 | |
1616 | tf->event.offset = ep->offset; |
18206708 |
1617 | |
62e4e7bf |
1618 | /* Put back the event real tsc */ |
1619 | tf->event.tsc = ep->tsc; |
1620 | tf->buffer.tsc = ep->tsc; |
78f79181 |
1621 | |
3aee1200 |
1622 | err = ltt_tracefile_read_update_event(tf); |
1623 | if(err) goto fail; |
1624 | err = ltt_tracefile_read_op(tf); |
1625 | if(err) goto fail; |
80da81ad |
1626 | |
a0c1f622 |
1627 | return 0; |
3aee1200 |
1628 | |
1629 | fail: |
1630 | g_error("ltt_tracefile_seek_time failed on tracefile %s", |
1631 | g_quark_to_string(tf->name)); |
a0c1f622 |
1632 | return 1; |
3aee1200 |
1633 | } |
1634 | |
ae3d0f50 |
1635 | LttTime ltt_interpolate_time_from_tsc(LttTracefile *tf, guint64 tsc) |
3aee1200 |
1636 | { |
1637 | LttTime time; |
62e4e7bf |
1638 | |
1639 | if(tsc > tf->trace->start_tsc) { |
1640 | time = ltt_time_from_uint64( |
1641 | (double)(tsc - tf->trace->start_tsc) |
1642 | * (1000000000.0 / tf->trace->freq_scale) |
1643 | / (double)tf->trace->start_freq); |
1644 | time = ltt_time_add(tf->trace->start_time_from_tsc, time); |
1645 | } else { |
1646 | time = ltt_time_from_uint64( |
1647 | (double)(tf->trace->start_tsc - tsc) |
1648 | * (1000000000.0 / tf->trace->freq_scale) |
1649 | / (double)tf->trace->start_freq); |
1650 | time = ltt_time_sub(tf->trace->start_time_from_tsc, time); |
1651 | } |
3aee1200 |
1652 | return time; |
80da81ad |
1653 | } |
1654 | |
ae3d0f50 |
1655 | /* Calculate the real event time based on the buffer boundaries */ |
1656 | LttTime ltt_interpolate_time(LttTracefile *tf, LttEvent *event) |
1657 | { |
62e4e7bf |
1658 | return ltt_interpolate_time_from_tsc(tf, tf->buffer.tsc); |
ae3d0f50 |
1659 | } |
1660 | |
eed2ef37 |
1661 | |
1662 | /* Get the current event of the tracefile : valid until the next read */ |
1663 | LttEvent *ltt_tracefile_get_event(LttTracefile *tf) |
1664 | { |
1665 | return &tf->event; |
1666 | } |
1667 | |
1668 | |
1669 | |
6cd62ccf |
1670 | /***************************************************************************** |
1671 | *Function name |
3aee1200 |
1672 | * ltt_tracefile_read : Read the next event in the tracefile |
6cd62ccf |
1673 | *Input params |
1674 | * t : tracefile |
1675 | *Return value |
3aee1200 |
1676 | * |
1677 | * Returns 0 if an event can be used in tf->event. |
d822520b |
1678 | * Returns ERANGE on end of trace. The event in tf->event still can be used |
1679 | * (if the last block was not empty). |
3aee1200 |
1680 | * Returns EPERM on error. |
1681 | * |
1682 | * This function does make the tracefile event structure point to the event |
1683 | * currently pointed to by the tf->event. |
1684 | * |
1685 | * Note : you must call a ltt_tracefile_seek to the beginning of the trace to |
1686 | * reinitialize it after an error if you want results to be coherent. |
1687 | * It would be the case if a end of trace last buffer has no event : the end |
1688 | * of trace wouldn't be returned, but an error. |
1689 | * We make the assumption there is at least one event per buffer. |
6cd62ccf |
1690 | ****************************************************************************/ |
1691 | |
3aee1200 |
1692 | int ltt_tracefile_read(LttTracefile *tf) |
6cd62ccf |
1693 | { |
963b5f2d |
1694 | int err; |
6cd62ccf |
1695 | |
3aee1200 |
1696 | err = ltt_tracefile_read_seek(tf); |
1697 | if(err) return err; |
1698 | err = ltt_tracefile_read_update_event(tf); |
1699 | if(err) return err; |
1700 | err = ltt_tracefile_read_op(tf); |
1701 | if(err) return err; |
1702 | |
1703 | return 0; |
1704 | } |
1705 | |
1706 | int ltt_tracefile_read_seek(LttTracefile *tf) |
1707 | { |
1708 | int err; |
1709 | |
1710 | /* Get next buffer until we finally have an event, or end of trace */ |
1711 | while(1) { |
1712 | err = ltt_seek_next_event(tf); |
1713 | if(unlikely(err == ENOPROTOOPT)) { |
1714 | return EPERM; |
bdc36259 |
1715 | } |
bdc36259 |
1716 | |
3aee1200 |
1717 | /* Are we at the end of the buffer ? */ |
1718 | if(err == ERANGE) { |
1719 | if(unlikely(tf->buffer.index == tf->num_blocks-1)){ /* end of trace ? */ |
1720 | return ERANGE; |
1721 | } else { |
1722 | /* get next block */ |
1723 | err = map_block(tf, tf->buffer.index + 1); |
1724 | if(unlikely(err)) { |
1725 | g_error("Can not map block"); |
1726 | return EPERM; |
1727 | } |
1728 | } |
1729 | } else break; /* We found an event ! */ |
1730 | } |
2dee981d |
1731 | |
3aee1200 |
1732 | return 0; |
1733 | } |
18206708 |
1734 | |
1735 | |
3aee1200 |
1736 | /* do specific operation on events */ |
1737 | int ltt_tracefile_read_op(LttTracefile *tf) |
1738 | { |
3aee1200 |
1739 | LttEvent *event; |
1740 | |
1741 | event = &tf->event; |
18206708 |
1742 | |
3aee1200 |
1743 | /* do event specific operation */ |
40331ba8 |
1744 | |
3aee1200 |
1745 | /* do something if its an heartbeat event : increment the heartbeat count */ |
1746 | //if(event->facility_id == LTT_FACILITY_CORE) |
1747 | // if(event->event_id == LTT_EVENT_HEARTBEAT) |
1748 | // tf->cur_heart_beat_number++; |
1749 | |
1750 | return 0; |
6cd62ccf |
1751 | } |
1752 | |
91f8d488 |
1753 | static void print_debug_event_header(LttEvent *ev, void *start_pos, void *end_pos) |
1754 | { |
1755 | unsigned int offset = 0; |
1756 | int i, j; |
1757 | |
1758 | g_printf("Event header (tracefile %s offset %llx):\n", |
afd57a3c |
1759 | g_quark_to_string(ev->tracefile->long_name), |
91f8d488 |
1760 | ((uint64_t)ev->tracefile->buffer.index * ev->tracefile->buf_size) |
1761 | + (long)start_pos - (long)ev->tracefile->buffer.head); |
1762 | |
1763 | while (offset < (long)end_pos - (long)start_pos) { |
1764 | g_printf("%8lx", (long)start_pos - (long)ev->tracefile->buffer.head + offset); |
1765 | g_printf(" "); |
1766 | |
1767 | for (i = 0; i < 4 ; i++) { |
1768 | for (j = 0; j < 4; j++) { |
1769 | if (offset + ((i * 4) + j) < |
1770 | (long)end_pos - (long)start_pos) |
1771 | g_printf("%02hhX", |
1772 | ((char*)ev->tracefile->buffer.head)[ev->offset + offset + ((i * 4) + j)]); |
1773 | else |
1774 | g_printf(" "); |
1775 | g_printf(" "); |
1776 | } |
1777 | if (i < 4) |
1778 | g_printf(" "); |
1779 | } |
1780 | offset+=16; |
1781 | g_printf("\n"); |
1782 | } |
1783 | } |
1784 | |
6cd62ccf |
1785 | |
3aee1200 |
1786 | /* same as ltt_tracefile_read, but does not seek to the next event nor call |
1787 | * event specific operation. */ |
1788 | int ltt_tracefile_read_update_event(LttTracefile *tf) |
6cd62ccf |
1789 | { |
3aee1200 |
1790 | void * pos; |
1791 | LttEvent *event; |
91f8d488 |
1792 | void *pos_aligned; |
3aee1200 |
1793 | |
1794 | event = &tf->event; |
eed2ef37 |
1795 | pos = tf->buffer.head + event->offset; |
3aee1200 |
1796 | |
1797 | /* Read event header */ |
1798 | |
62e4e7bf |
1799 | /* Align the head */ |
1800 | if(!tf->compact) |
256a5b3a |
1801 | pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment); |
62e4e7bf |
1802 | else { |
1803 | g_assert(tf->has_heartbeat); |
256a5b3a |
1804 | pos += ltt_align((size_t)pos, sizeof(uint32_t), tf->alignment); |
62e4e7bf |
1805 | } |
91f8d488 |
1806 | pos_aligned = pos; |
3aee1200 |
1807 | |
62e4e7bf |
1808 | if(tf->has_heartbeat) { |
1809 | event->timestamp = ltt_get_uint32(LTT_GET_BO(tf), |
1810 | pos); |
d1bb700c |
1811 | if(!tf->compact) { |
1812 | /* 32 bits -> 64 bits tsc */ |
1813 | /* note : still works for seek and non seek cases. */ |
1814 | if(event->timestamp < (0xFFFFFFFFULL&tf->buffer.tsc)) { |
1815 | tf->buffer.tsc = ((tf->buffer.tsc&0xFFFFFFFF00000000ULL) |
1816 | + 0x100000000ULL) |
1817 | | (guint64)event->timestamp; |
1818 | event->tsc = tf->buffer.tsc; |
1819 | } else { |
1820 | /* no overflow */ |
1821 | tf->buffer.tsc = (tf->buffer.tsc&0xFFFFFFFF00000000ULL) |
1822 | | (guint64)event->timestamp; |
1823 | event->tsc = tf->buffer.tsc; |
62e4e7bf |
1824 | event->compact_data = 0; |
d1bb700c |
1825 | } |
1826 | } else { |
1827 | /* Compact header */ |
1828 | /* We keep the LSB of the previous timestamp, to make sure |
1829 | * we never go back */ |
1830 | event->event_id = event->timestamp >> tf->tscbits; |
dd3a6d39 |
1831 | event->event_id = event->event_id & ((1 << tf->trace->compact_event_bits) - 1); |
1832 | event->compact_data = event->timestamp >> |
62e4e7bf |
1833 | (tf->trace->compact_event_bits + tf->tscbits); |
dd3a6d39 |
1834 | //printf("tsc bits %u, ev bits %u init data %u\n", |
62e4e7bf |
1835 | // tf->tscbits, tf->trace->compact_event_bits, event->compact_data); |
dd3a6d39 |
1836 | /* Put the compact data back in original endianness */ |
1837 | event->compact_data = ltt_get_uint32(LTT_GET_BO(tf), &event->compact_data); |
d1bb700c |
1838 | event->event_size = 0xFFFF; |
dd3a6d39 |
1839 | //printf("Found compact event %d\n", event->event_id); |
1840 | //printf("Compact data %d\n", event->compact_data); |
d1bb700c |
1841 | event->timestamp = event->timestamp << tf->tsc_lsb_truncate; |
1842 | event->timestamp = event->timestamp & tf->tsc_mask; |
dd3a6d39 |
1843 | //printf("timestamp 0x%lX\n", event->timestamp); |
1844 | //printf("mask 0x%llX\n", tf->tsc_mask); |
1845 | //printf("mask_next 0x%llX\n", tf->tsc_mask_next_bit); |
1846 | //printf("previous tsc 0x%llX\n", tf->buffer.tsc); |
1847 | //printf("previous tsc&mask 0x%llX\n", tf->tsc_mask&tf->buffer.tsc); |
1848 | //printf("previous tsc&(~mask) 0x%llX\n", tf->buffer.tsc&(~tf->tsc_mask)); |
d1bb700c |
1849 | if(event->timestamp < (tf->tsc_mask&tf->buffer.tsc)) { |
dd3a6d39 |
1850 | //printf("wrap\n"); |
d1bb700c |
1851 | tf->buffer.tsc = ((tf->buffer.tsc&(~tf->tsc_mask)) |
1852 | + tf->tsc_mask_next_bit) |
1853 | | (guint64)event->timestamp; |
1854 | event->tsc = tf->buffer.tsc; |
1855 | } else { |
dd3a6d39 |
1856 | //printf("no wrap\n"); |
d1bb700c |
1857 | /* no overflow */ |
1858 | tf->buffer.tsc = (tf->buffer.tsc&(~tf->tsc_mask)) |
1859 | | (guint64)event->timestamp; |
1860 | event->tsc = tf->buffer.tsc; |
1861 | } |
dd3a6d39 |
1862 | //printf("current tsc 0x%llX\n", tf->buffer.tsc); |
d1bb700c |
1863 | } |
62e4e7bf |
1864 | pos += sizeof(guint32); |
1865 | } else { |
1866 | event->tsc = ltt_get_uint64(LTT_GET_BO(tf), pos); |
1867 | tf->buffer.tsc = event->tsc; |
1868 | event->compact_data = 0; |
1869 | pos += sizeof(guint64); |
1870 | } |
1871 | event->event_time = ltt_interpolate_time(tf, event); |
3aee1200 |
1872 | |
d1bb700c |
1873 | if(!tf->compact) { |
3c165eaf |
1874 | event->event_id = *(guint16*)pos; |
1875 | pos += sizeof(guint16); |
d1bb700c |
1876 | |
1877 | event->event_size = ltt_get_uint16(LTT_GET_BO(tf), pos); |
1878 | pos += sizeof(guint16); |
1879 | } else { |
1880 | /* Compact event */ |
1881 | } |
91f8d488 |
1882 | |
1883 | if (a_event_debug) |
1884 | print_debug_event_header(event, pos_aligned, pos); |
1885 | |
62e4e7bf |
1886 | /* Align the head */ |
1887 | if(!tf->compact) |
256a5b3a |
1888 | pos += ltt_align((size_t)pos, tf->trace->arch_size, tf->alignment); |
f104d082 |
1889 | |
3aee1200 |
1890 | event->data = pos; |
1891 | |
77175651 |
1892 | /* get the data size and update the event fields with the current |
d1bb700c |
1893 | * information. Also update the time if a heartbeat_full event is found. */ |
eed2ef37 |
1894 | ltt_update_event_size(tf); |
77175651 |
1895 | |
3aee1200 |
1896 | return 0; |
6cd62ccf |
1897 | } |
1898 | |
507915ee |
1899 | |
6cd62ccf |
1900 | /**************************************************************************** |
1901 | *Function name |
3aee1200 |
1902 | * map_block : map a block from the file |
6cd62ccf |
1903 | *Input Params |
1904 | * lttdes : ltt trace file |
1905 | * whichBlock : the block which will be read |
1906 | *return value |
1907 | * 0 : success |
1908 | * EINVAL : lseek fail |
1909 | * EIO : can not read from the file |
1910 | ****************************************************************************/ |
1911 | |
3c165eaf |
1912 | gint map_block(LttTracefile * tf, guint block_num) |
6cd62ccf |
1913 | { |
b77d1b57 |
1914 | int page_size = getpagesize(); |
3aee1200 |
1915 | struct ltt_block_start_header *header; |
1916 | |
1917 | g_assert(block_num < tf->num_blocks); |
6cd62ccf |
1918 | |
f628823c |
1919 | if(tf->buffer.head != NULL) { |
1920 | if(munmap(tf->buffer.head, PAGE_ALIGN(tf->buf_size))) { |
1921 | g_warning("unmap size : %u\n", |
1922 | PAGE_ALIGN(tf->buf_size)); |
1923 | perror("munmap error"); |
1924 | g_assert(0); |
1925 | } |
1926 | } |
1927 | |
ac849774 |
1928 | |
3aee1200 |
1929 | /* Multiple of pages aligned head */ |
b77d1b57 |
1930 | tf->buffer.head = mmap(0, |
f628823c |
1931 | PAGE_ALIGN(tf->buf_size), |
b77d1b57 |
1932 | PROT_READ, MAP_PRIVATE, tf->fd, |
f628823c |
1933 | PAGE_ALIGN((off_t)tf->buf_size * (off_t)block_num)); |
3aee1200 |
1934 | |
3865ea09 |
1935 | if(tf->buffer.head == MAP_FAILED) { |
3aee1200 |
1936 | perror("Error in allocating memory for buffer of tracefile"); |
3865ea09 |
1937 | g_assert(0); |
3aee1200 |
1938 | goto map_error; |
6cd62ccf |
1939 | } |
3865ea09 |
1940 | g_assert( ( (guint)tf->buffer.head&(8-1) ) == 0); // make sure it's aligned. |
3aee1200 |
1941 | |
6cd62ccf |
1942 | |
3aee1200 |
1943 | tf->buffer.index = block_num; |
1944 | |
1945 | header = (struct ltt_block_start_header*)tf->buffer.head; |
1946 | |
791dffa6 |
1947 | #if 0 |
986e2a7c |
1948 | tf->buffer.begin.timestamp = ltt_time_add( |
1949 | ltt_time_from_uint64( |
1950 | ltt_get_uint64(LTT_GET_BO(tf), |
1951 | &header->begin.timestamp) |
1952 | - tf->trace->start_monotonic), |
1953 | tf->trace->start_time); |
791dffa6 |
1954 | #endif //0 |
348c6ba8 |
1955 | //g_debug("block %u begin : %lu.%lu", block_num, |
1956 | // tf->buffer.begin.timestamp.tv_sec, tf->buffer.begin.timestamp.tv_nsec); |
3aee1200 |
1957 | tf->buffer.begin.cycle_count = ltt_get_uint64(LTT_GET_BO(tf), |
1958 | &header->begin.cycle_count); |
986e2a7c |
1959 | tf->buffer.begin.freq = ltt_get_uint64(LTT_GET_BO(tf), |
1960 | &header->begin.freq); |
62e4e7bf |
1961 | if(tf->buffer.begin.freq == 0) |
1962 | tf->buffer.begin.freq = tf->trace->start_freq; |
ae3d0f50 |
1963 | |
1964 | tf->buffer.begin.timestamp = ltt_interpolate_time_from_tsc(tf, |
62e4e7bf |
1965 | tf->buffer.begin.cycle_count); |
ae3d0f50 |
1966 | #if 0 |
62e4e7bf |
1967 | ltt_time_add( |
791dffa6 |
1968 | ltt_time_from_uint64( |
88612d17 |
1969 | (double)(tf->buffer.begin.cycle_count |
1970 | - tf->trace->start_tsc) * 1000000.0 |
791dffa6 |
1971 | / (double)tf->trace->start_freq), |
62e4e7bf |
1972 | tf->trace->start_time_from_tsc); |
ae3d0f50 |
1973 | #endif //0 |
791dffa6 |
1974 | #if 0 |
1975 | |
986e2a7c |
1976 | tf->buffer.end.timestamp = ltt_time_add( |
1977 | ltt_time_from_uint64( |
1978 | ltt_get_uint64(LTT_GET_BO(tf), |
1979 | &header->end.timestamp) |
1980 | - tf->trace->start_monotonic), |
1981 | tf->trace->start_time); |
791dffa6 |
1982 | #endif //0 |
348c6ba8 |
1983 | //g_debug("block %u end : %lu.%lu", block_num, |
1984 | // tf->buffer.end.timestamp.tv_sec, tf->buffer.end.timestamp.tv_nsec); |
3aee1200 |
1985 | tf->buffer.end.cycle_count = ltt_get_uint64(LTT_GET_BO(tf), |
1986 | &header->end.cycle_count); |
986e2a7c |
1987 | tf->buffer.end.freq = ltt_get_uint64(LTT_GET_BO(tf), |
1988 | &header->end.freq); |
62e4e7bf |
1989 | if(tf->buffer.end.freq == 0) |
1990 | tf->buffer.end.freq = tf->trace->start_freq; |
1991 | |
3aee1200 |
1992 | tf->buffer.lost_size = ltt_get_uint32(LTT_GET_BO(tf), |
986e2a7c |
1993 | &header->lost_size); |
ae3d0f50 |
1994 | tf->buffer.end.timestamp = ltt_interpolate_time_from_tsc(tf, |
62e4e7bf |
1995 | tf->buffer.end.cycle_count); |
ae3d0f50 |
1996 | #if 0 |
62e4e7bf |
1997 | ltt_time_add( |
791dffa6 |
1998 | ltt_time_from_uint64( |
88612d17 |
1999 | (double)(tf->buffer.end.cycle_count |
2000 | - tf->trace->start_tsc) * 1000000.0 |
791dffa6 |
2001 | / (double)tf->trace->start_freq), |
88612d17 |
2002 | tf->trace->start_time_from_tsc); |
ae3d0f50 |
2003 | #endif //0 |
3aee1200 |
2004 | tf->buffer.tsc = tf->buffer.begin.cycle_count; |
2005 | tf->event.tsc = tf->buffer.tsc; |
986e2a7c |
2006 | tf->buffer.freq = tf->buffer.begin.freq; |
3aee1200 |
2007 | |
2008 | /* FIXME |
2009 | * eventually support variable buffer size : will need a partial pre-read of |
2010 | * the headers to create an index when we open the trace... eventually. */ |
f628823c |
2011 | g_assert(tf->buf_size == ltt_get_uint32(LTT_GET_BO(tf), |
3aee1200 |
2012 | &header->buf_size)); |
507915ee |
2013 | |
3aee1200 |
2014 | /* Now that the buffer is mapped, calculate the time interpolation for the |
2015 | * block. */ |
2016 | |
791dffa6 |
2017 | // tf->buffer.nsecs_per_cycle = calc_nsecs_per_cycle(tf); |
2018 | //tf->buffer.cyc2ns_scale = calc_nsecs_per_cycle(tf); |
3aee1200 |
2019 | |
2020 | /* Make the current event point to the beginning of the buffer : |
2021 | * it means that the event read must get the first event. */ |
2022 | tf->event.tracefile = tf; |
2023 | tf->event.block = block_num; |
eed2ef37 |
2024 | tf->event.offset = 0; |
3aee1200 |
2025 | |
2026 | return 0; |
6cd62ccf |
2027 | |
3aee1200 |
2028 | map_error: |
2029 | return -errno; |
40331ba8 |
2030 | |
6cd62ccf |
2031 | } |
2032 | |
91f8d488 |
2033 | static void print_debug_event_data(LttEvent *ev) |
2034 | { |
2035 | unsigned int offset = 0; |
2036 | int i, j; |
2037 | |
2038 | if (!max(ev->event_size, ev->data_size)) |
2039 | return; |
2040 | |
2041 | g_printf("Event data (tracefile %s offset %llx):\n", |
afd57a3c |
2042 | g_quark_to_string(ev->tracefile->long_name), |
91f8d488 |
2043 | ((uint64_t)ev->tracefile->buffer.index * ev->tracefile->buf_size) |
2044 | + (long)ev->data - (long)ev->tracefile->buffer.head); |
2045 | |
2046 | while (offset < max(ev->event_size, ev->data_size)) { |
2047 | g_printf("%8lx", (long)ev->data + offset |
2048 | - (long)ev->tracefile->buffer.head); |
2049 | g_printf(" "); |
2050 | |
2051 | for (i = 0; i < 4 ; i++) { |
2052 | for (j = 0; j < 4; j++) { |
2053 | if (offset + ((i * 4) + j) < max(ev->event_size, ev->data_size)) |
2054 | g_printf("%02hhX", ((char*)ev->data)[offset + ((i * 4) + j)]); |
2055 | else |
2056 | g_printf(" "); |
2057 | g_printf(" "); |
2058 | } |
2059 | if (i < 4) |
2060 | g_printf(" "); |
2061 | } |
2062 | |
2063 | g_printf(" "); |
2064 | |
2065 | for (i = 0; i < 4; i++) { |
2066 | for (j = 0; j < 4; j++) { |
2067 | if (offset + ((i * 4) + j) < max(ev->event_size, ev->data_size)) { |
2068 | if (isprint(((char*)ev->data)[offset + ((i * 4) + j)])) |
2069 | g_printf("%c", ((char*)ev->data)[offset + ((i * 4) + j)]); |
2070 | else |
2071 | g_printf("."); |
2072 | } else |
2073 | g_printf(" "); |
2074 | } |
2075 | } |
2076 | offset+=16; |
2077 | g_printf("\n"); |
2078 | } |
2079 | } |
2080 | |
77175651 |
2081 | /* It will update the fields offsets too */ |
2082 | void ltt_update_event_size(LttTracefile *tf) |
6cd62ccf |
2083 | { |
2312de30 |
2084 | off_t size = 0; |
d1bb700c |
2085 | char *tscdata; |
d2007fbd |
2086 | struct marker_info *info; |
44f317b7 |
2087 | |
d2007fbd |
2088 | switch((enum marker_id)tf->event.event_id) { |
2089 | case MARKER_ID_SET_MARKER_ID: |
44f317b7 |
2090 | size = strlen((char*)tf->event.data) + 1; |
07effdbd |
2091 | g_debug("marker %s id set", (char*)tf->event.data); |
256a5b3a |
2092 | size += ltt_align(size, sizeof(guint16), tf->alignment); |
d2007fbd |
2093 | size += sizeof(guint16); |
3c165eaf |
2094 | size += sizeof(guint8); |
2095 | size += sizeof(guint8); |
2096 | size += sizeof(guint8); |
2097 | size += sizeof(guint8); |
2098 | size += sizeof(guint8); |
44f317b7 |
2099 | break; |
d2007fbd |
2100 | case MARKER_ID_SET_MARKER_FORMAT: |
07effdbd |
2101 | g_debug("marker %s format set", (char*)tf->event.data); |
44f317b7 |
2102 | size = strlen((char*)tf->event.data) + 1; |
2e13d6af |
2103 | size += strlen((char*)tf->event.data + size) + 1; |
44f317b7 |
2104 | break; |
d2007fbd |
2105 | case MARKER_ID_HEARTBEAT_32: |
07effdbd |
2106 | g_debug("Update Event heartbeat 32 bits"); |
44f317b7 |
2107 | break; |
d2007fbd |
2108 | case MARKER_ID_HEARTBEAT_64: |
07effdbd |
2109 | g_debug("Update Event heartbeat 64 bits"); |
d1bb700c |
2110 | tscdata = (char*)(tf->event.data); |
2111 | tf->event.tsc = ltt_get_uint64(LTT_GET_BO(tf), tscdata); |
2112 | tf->buffer.tsc = tf->event.tsc; |
2113 | tf->event.event_time = ltt_interpolate_time(tf, &tf->event); |
256a5b3a |
2114 | size = ltt_align(size, sizeof(guint64), tf->alignment); |
d2007fbd |
2115 | size += sizeof(guint64); |
d1bb700c |
2116 | break; |
256a5b3a |
2117 | } |
2118 | |
2119 | info = marker_get_info_from_id(tf->trace, tf->event.event_id); |
2120 | if (tf->event.event_id >= MARKER_CORE_IDS) |
2121 | g_assert(info != NULL); |
2122 | |
2123 | /* Do not update field offsets of core markers when initially reading the |
2124 | * facility tracefile when the infos about these markers do not exist yet. |
2125 | */ |
2126 | if (likely(info && info->fields)) { |
2127 | if (info->size != -1) |
2128 | size = info->size; |
2129 | else |
2130 | size = marker_update_fields_offsets(marker_get_info_from_id(tf->trace, |
2131 | tf->event.event_id), tf->event.data); |
44f317b7 |
2132 | } |
c4afd5d8 |
2133 | |
d2007fbd |
2134 | tf->event.data_size = size; |
2135 | |
2136 | /* Check consistency between kernel and LTTV structure sizes */ |
2137 | if(tf->event.event_size == 0xFFFF) { |
2138 | /* Event size too big to fit in the event size field */ |
2139 | tf->event.event_size = tf->event.data_size; |
2140 | } |
91f8d488 |
2141 | |
2142 | if (a_event_debug) |
2143 | print_debug_event_data(&tf->event); |
2144 | |
27c089c1 |
2145 | /* Having a marker load or marker format event out of the facilities |
2146 | * tracefiles is a serious bug. */ |
2147 | switch((enum marker_id)tf->event.event_id) { |
2148 | case MARKER_ID_SET_MARKER_ID: |
2149 | case MARKER_ID_SET_MARKER_FORMAT: |
2150 | if (tf->name != g_quark_from_string("/control/facilities")) |
2151 | g_error("Trace inconsistency : metadata event found in data " |
2152 | "tracefile %s", g_quark_to_string(tf->long_name)); |
2153 | } |
2154 | |
d2007fbd |
2155 | if (tf->event.data_size != tf->event.event_size) { |
3c165eaf |
2156 | struct marker_info *info = marker_get_info_from_id(tf->trace, |
2157 | tf->event.event_id); |
2158 | g_error("Kernel/LTTV event size differs for event %s: kernel %u, LTTV %u", |
2159 | g_quark_to_string(info->name), |
2160 | tf->event.event_size, tf->event.data_size); |
d2007fbd |
2161 | exit(-1); |
2162 | } |
2163 | |
2164 | #if 0 |
44f317b7 |
2165 | LttEventType *event_type = |
2166 | ltt_facility_eventtype_get(f, tf->event.event_id); |
c4afd5d8 |
2167 | |
44f317b7 |
2168 | if(!event_type) { |
2169 | g_warning("Unknown event id %hhu in facility %s in tracefile %s", |
2170 | tf->event.event_id, |
2171 | g_quark_to_string(f->name), |
2172 | g_quark_to_string(tf->name)); |
2173 | goto event_type_error; |
3aee1200 |
2174 | } |
3aee1200 |
2175 | |
44f317b7 |
2176 | /* Compute the dynamic offsets */ |
2177 | compute_offsets(tf, f, event_type, &size, tf->event.data); |
2178 | |
2179 | //g_debug("Event root field : f.e %hhu.%hhu size %zd", |
2180 | // tf->event.facility_id, |
2181 | // tf->event.event_id, size); |
7cbcdb89 |
2182 | |
2183 | no_offset: |
77175651 |
2184 | tf->event.data_size = size; |
eed2ef37 |
2185 | |
b77d1b57 |
2186 | /* Check consistency between kernel and LTTV structure sizes */ |
62e4e7bf |
2187 | if(tf->event.event_size == 0xFFFF) { |
2188 | /* Event size too big to fit in the event size field */ |
2189 | tf->event.event_size = tf->event.data_size; |
2190 | } |
f63ebe51 |
2191 | if (tf->event.data_size != tf->event.event_size) { |
2192 | g_error("Kernel/LTTV event size differs for event %s.%s: kernel %u, LTTV %u", |
62e4e7bf |
2193 | g_quark_to_string(f->name), g_quark_to_string(event_type->name), |
2194 | tf->event.event_size, tf->event.data_size); |
f63ebe51 |
2195 | exit(-1); |
2196 | } |
2197 | //g_assert(tf->event.data_size == tf->event.event_size); |
9eb6aa7a |
2198 | |
eed2ef37 |
2199 | return; |
2200 | |
c4afd5d8 |
2201 | event_type_error: |
3aee1200 |
2202 | event_id_error: |
62e4e7bf |
2203 | if(tf->event.event_size == 0xFFFF) { |
2204 | g_error("Cannot jump over an unknown event bigger than 0xFFFE bytes"); |
2205 | } |
2206 | /* The facility is unknown : use the kernel information about this event |
2207 | * to jump over it. */ |
9d7e0c25 |
2208 | tf->event.data_size = tf->event.event_size; |
d2007fbd |
2209 | #endif //0 |
6cd62ccf |
2210 | } |
2211 | |
6cd62ccf |
2212 | |
3aee1200 |
2213 | /* Take the tf current event offset and use the event facility id and event id |
2214 | * to figure out where is the next event offset. |
2215 | * |
2216 | * This is an internal function not aiming at being used elsewhere : it will |
2217 | * not jump over the current block limits. Please consider using |
2218 | * ltt_tracefile_read to do this. |
2219 | * |
2220 | * Returns 0 on success |
2221 | * ERANGE if we are at the end of the buffer. |
2222 | * ENOPROTOOPT if an error occured when getting the current event size. |
2223 | */ |
3c165eaf |
2224 | int ltt_seek_next_event(LttTracefile *tf) |
6cd62ccf |
2225 | { |
3aee1200 |
2226 | int ret = 0; |
2227 | void *pos; |
3aee1200 |
2228 | |
2229 | /* seek over the buffer header if we are at the buffer start */ |
eed2ef37 |
2230 | if(tf->event.offset == 0) { |
51551c6f |
2231 | tf->event.offset += tf->buffer_header_size; |
b77d1b57 |
2232 | |
f628823c |
2233 | if(tf->event.offset == tf->buf_size - tf->buffer.lost_size) { |
b77d1b57 |
2234 | ret = ERANGE; |
2235 | } |
3aee1200 |
2236 | goto found; |
2237 | } |
6cd62ccf |
2238 | |
6cd62ccf |
2239 | |
3aee1200 |
2240 | pos = tf->event.data; |
2241 | |
77175651 |
2242 | if(tf->event.data_size < 0) goto error; |
3aee1200 |
2243 | |
77175651 |
2244 | pos += (size_t)tf->event.data_size; |
3aee1200 |
2245 | |
eed2ef37 |
2246 | tf->event.offset = pos - tf->buffer.head; |
cb03932a |
2247 | |
f628823c |
2248 | if(tf->event.offset == tf->buf_size - tf->buffer.lost_size) { |
cb03932a |
2249 | ret = ERANGE; |
2250 | goto found; |
2251 | } |
36d36c9f |
2252 | g_assert(tf->event.offset < tf->buf_size - tf->buffer.lost_size); |
3aee1200 |
2253 | |
2254 | found: |
2255 | return ret; |
2256 | |
2257 | error: |
2258 | g_error("Error in ltt_seek_next_event for tracefile %s", |
2259 | g_quark_to_string(tf->name)); |
2260 | return ENOPROTOOPT; |
6cd62ccf |
2261 | } |
2262 | |
791dffa6 |
2263 | #if 0 |
6cd62ccf |
2264 | /***************************************************************************** |
2265 | *Function name |
3aee1200 |
2266 | * calc_nsecs_per_cycle : calculate nsecs per cycle for current block |
986e2a7c |
2267 | * |
2268 | * 1.0 / (freq(khz) *1000) * 1000000000 |
6cd62ccf |
2269 | *Input Params |
2270 | * t : tracefile |
2271 | ****************************************************************************/ |
986e2a7c |
2272 | /* from timer_tsc.c */ |
2273 | #define CYC2NS_SCALE_FACTOR 10 |
791dffa6 |
2274 | static guint32 calc_nsecs_per_cycle(LttTracefile * tf) |
6cd62ccf |
2275 | { |
986e2a7c |
2276 | //return 1e6 / (double)tf->buffer.freq; |
791dffa6 |
2277 | guint32 cpu_mhz = tf->buffer.freq / 1000; |
2278 | guint32 cyc2ns_scale = (1000 << CYC2NS_SCALE_FACTOR)/cpu_mhz; |
6cd62ccf |
2279 | |
791dffa6 |
2280 | return cyc2ns_scale; |
986e2a7c |
2281 | // return 1e6 / (double)tf->buffer.freq; |
3aee1200 |
2282 | } |
791dffa6 |
2283 | |
2284 | static guint64 cycles_2_ns(LttTracefile *tf, guint64 cycles) |
2285 | { |
2286 | return (cycles * tf->buffer.cyc2ns_scale) >> CYC2NS_SCALE_FACTOR; |
2287 | } |
2288 | #endif //0 |
2289 | |
3aee1200 |
2290 | #if 0 |
2291 | void setFieldsOffset(LttTracefile *tf, LttEventType *evT,void *evD) |
2292 | { |
2293 | LttField * rootFld = evT->root_field; |
2294 | // rootFld->base_address = evD; |
2dee981d |
2295 | |
3aee1200 |
2296 | if(likely(rootFld)) |
2297 | rootFld->field_size = getFieldtypeSize(tf, evT->facility, |
2298 | evT, 0,0,rootFld, evD); |
6cd62ccf |
2299 | } |
3aee1200 |
2300 | #endif //0 |
f104d082 |
2301 | #if 0 |
3aee1200 |
2302 | /***************************************************************************** |
6cd62ccf |
2303 | *Function name |
3aee1200 |
2304 | * set_fields_offsets : set the precomputable offset of the fields |
6cd62ccf |
2305 | *Input params |
3aee1200 |
2306 | * tracefile : opened trace file |
2307 | * event_type : the event type |
6cd62ccf |
2308 | ****************************************************************************/ |
2309 | |
3aee1200 |
2310 | void set_fields_offsets(LttTracefile *tf, LttEventType *event_type) |
6cd62ccf |
2311 | { |
3aee1200 |
2312 | LttField *field = event_type->root_field; |
2313 | enum field_status fixed_root = FIELD_FIXED, fixed_parent = FIELD_FIXED; |
2314 | |
2315 | if(likely(field)) |
2316 | preset_field_type_size(tf, event_type, 0, 0, |
2317 | &fixed_root, &fixed_parent, |
2318 | field); |
2319 | |
2320 | } |
f104d082 |
2321 | #endif //0 |
2322 | |
2323 | |
2324 | /***************************************************************************** |
2325 | *Function name |
2326 | * get_alignment : Get the alignment needed for a field. |
2327 | *Input params |
f104d082 |
2328 | * field : field |
2329 | * |
2330 | * returns : The size on which it must be aligned. |
2331 | * |
2332 | ****************************************************************************/ |
3c165eaf |
2333 | #if 0 |
743e50fd |
2334 | off_t get_alignment(LttField *field) |
f104d082 |
2335 | { |
2312de30 |
2336 | LttType *type = &field->field_type; |
f104d082 |
2337 | |
2338 | switch(type->type_class) { |
2339 | case LTT_INT_FIXED: |
2340 | case LTT_UINT_FIXED: |
2341 | case LTT_POINTER: |
2342 | case LTT_CHAR: |
2343 | case LTT_UCHAR: |
2344 | case LTT_SHORT: |
2345 | case LTT_USHORT: |
2346 | case LTT_INT: |
2347 | case LTT_UINT: |
2348 | case LTT_LONG: |
2349 | case LTT_ULONG: |
2350 | case LTT_SIZE_T: |
2351 | case LTT_SSIZE_T: |
2352 | case LTT_OFF_T: |
2353 | case LTT_FLOAT: |
2354 | case LTT_ENUM: |
2355 | /* Align offset on type size */ |
83e160f2 |
2356 | g_assert(field->field_size != 0); |
f104d082 |
2357 | return field->field_size; |
2358 | break; |
2359 | case LTT_STRING: |
83e160f2 |
2360 | return 1; |
f104d082 |
2361 | break; |
2362 | case LTT_ARRAY: |
2363 | g_assert(type->fields->len == 1); |
2364 | { |
2365 | LttField *child = &g_array_index(type->fields, LttField, 0); |
743e50fd |
2366 | return get_alignment(child); |
f104d082 |
2367 | } |
2368 | break; |
2369 | case LTT_SEQUENCE: |
2370 | g_assert(type->fields->len == 2); |
2371 | { |
83e160f2 |
2372 | off_t localign = 1; |
f104d082 |
2373 | LttField *child = &g_array_index(type->fields, LttField, 0); |
2374 | |
743e50fd |
2375 | localign = max(localign, get_alignment(child)); |
f104d082 |
2376 | |
2377 | child = &g_array_index(type->fields, LttField, 1); |
743e50fd |
2378 | localign = max(localign, get_alignment(child)); |
f104d082 |
2379 | |
2380 | return localign; |
2381 | } |
2382 | break; |
2383 | case LTT_STRUCT: |
2384 | case LTT_UNION: |
2385 | { |
2386 | guint i; |
83e160f2 |
2387 | off_t localign = 1; |
f104d082 |
2388 | |
2389 | for(i=0; i<type->fields->len; i++) { |
2390 | LttField *child = &g_array_index(type->fields, LttField, i); |
743e50fd |
2391 | localign = max(localign, get_alignment(child)); |
f104d082 |
2392 | } |
2393 | return localign; |
2394 | } |
2395 | break; |
2396 | case LTT_NONE: |
2397 | default: |
2398 | g_error("get_alignment : unknown type"); |
83e160f2 |
2399 | return -1; |
f104d082 |
2400 | } |
f104d082 |
2401 | } |
2402 | |
3c165eaf |
2403 | #endif //0 |
2404 | |
f104d082 |
2405 | /***************************************************************************** |
2406 | *Function name |
2407 | * field_compute_static_size : Determine the size of fields known by their |
2408 | * sole definition. Unions, arrays and struct sizes might be known, but |
2409 | * the parser does not give that information. |
2410 | *Input params |
2411 | * tf : tracefile |
2412 | * field : field |
2413 | * |
2414 | ****************************************************************************/ |
3c165eaf |
2415 | #if 0 |
743e50fd |
2416 | void field_compute_static_size(LttFacility *fac, LttField *field) |
f104d082 |
2417 | { |
2312de30 |
2418 | LttType *type = &field->field_type; |
f104d082 |
2419 | |
2420 | switch(type->type_class) { |
2421 | case LTT_INT_FIXED: |
2422 | case LTT_UINT_FIXED: |
2423 | case LTT_POINTER: |
2424 | case LTT_CHAR: |
2425 | case LTT_UCHAR: |
2426 | case LTT_SHORT: |
2427 | case LTT_USHORT: |
2428 | case LTT_INT: |
2429 | case LTT_UINT: |
2430 | case LTT_LONG: |
2431 | case LTT_ULONG: |
2432 | case LTT_SIZE_T: |
2433 | case LTT_SSIZE_T: |
2434 | case LTT_OFF_T: |
2435 | case LTT_FLOAT: |
2436 | case LTT_ENUM: |
2437 | case LTT_STRING: |
2438 | /* nothing to do */ |
2439 | break; |
2440 | case LTT_ARRAY: |
2441 | /* note this : array type size is the number of elements in the array, |
2442 | * while array field size of the length of the array in bytes */ |
2443 | g_assert(type->fields->len == 1); |
2444 | { |
2445 | LttField *child = &g_array_index(type->fields, LttField, 0); |
743e50fd |
2446 | field_compute_static_size(fac, child); |
f104d082 |
2447 | |
2448 | if(child->field_size != 0) { |
2449 | field->field_size = type->size * child->field_size; |
2450 | field->dynamic_offsets = g_array_sized_new(FALSE, TRUE, |
2451 | sizeof(off_t), type->size); |
2452 | } else { |
2453 | field->field_size = 0; |
2454 | } |
2455 | } |
2456 | break; |
2457 | case LTT_SEQUENCE: |
2458 | g_assert(type->fields->len == 2); |
2459 | { |
2312de30 |
2460 | off_t local_offset = 0; |
f104d082 |
2461 | LttField *child = &g_array_index(type->fields, LttField, 1); |
743e50fd |
2462 | field_compute_static_size(fac, child); |
f104d082 |
2463 | field->field_size = 0; |
2464 | type->size = 0; |
2465 | if(child->field_size != 0) { |
2466 | field->dynamic_offsets = g_array_sized_new(FALSE, TRUE, |
2467 | sizeof(off_t), SEQUENCE_AVG_ELEMENTS); |
2468 | } |
2469 | } |
2470 | break; |
2471 | case LTT_STRUCT: |
2472 | case LTT_UNION: |
2473 | { |
2474 | guint i; |
2475 | for(i=0;i<type->fields->len;i++) { |
2476 | LttField *child = &g_array_index(type->fields, LttField, i); |
743e50fd |
2477 | field_compute_static_size(fac, child); |
f104d082 |
2478 | if(child->field_size != 0) { |
743e50fd |
2479 | type->size += ltt_align(type->size, get_alignment(child), |
2480 | fac->alignment); |
f104d082 |
2481 | type->size += child->field_size; |
2482 | } else { |
2483 | /* As soon as we find a child with variable size, we have |
2484 | * a variable size */ |
2485 | type->size = 0; |
2486 | break; |
2487 | } |
2488 | } |
2489 | field->field_size = type->size; |
2490 | } |
2491 | break; |
2492 | default: |
2493 | g_error("field_static_size : unknown type"); |
2312de30 |
2494 | } |
f104d082 |
2495 | |
2496 | } |
3c165eaf |
2497 | #endif //0 |
f104d082 |
2498 | |
2499 | |
2500 | /***************************************************************************** |
2501 | *Function name |
2502 | * precompute_fields_offsets : set the precomputable offset of the fields |
2503 | *Input params |
743e50fd |
2504 | * fac : facility |
f104d082 |
2505 | * field : the field |
2506 | * offset : pointer to the current offset, must be incremented |
2507 | * |
2508 | * return : 1 : found a variable length field, stop the processing. |
2509 | * 0 otherwise. |
2510 | ****************************************************************************/ |
2511 | |
3c165eaf |
2512 | #if 0 |
dd3a6d39 |
2513 | gint precompute_fields_offsets(LttFacility *fac, LttField *field, off_t *offset, gint is_compact) |
f104d082 |
2514 | { |
2312de30 |
2515 | LttType *type = &field->field_type; |
dd3a6d39 |
2516 | |
2517 | if(unlikely(is_compact)) { |
2518 | g_assert(field->field_size != 0); |
2519 | /* FIXME THIS IS A HUUUUUGE hack : |
2520 | * offset is between the compact_data field in struct LttEvent |
2521 | * and the address of the field root in the memory map. |
2522 | * ark. Both will stay at the same addresses while the event |
2523 | * is readable, so it's ok. |
2524 | */ |
2525 | field->offset_root = 0; |
2526 | field->fixed_root = FIELD_FIXED; |
2527 | return 0; |
2528 | } |
f104d082 |
2529 | |
2530 | switch(type->type_class) { |
2531 | case LTT_INT_FIXED: |
2532 | case LTT_UINT_FIXED: |
2533 | case LTT_POINTER: |
2534 | case LTT_CHAR: |
2535 | case LTT_UCHAR: |
2536 | case LTT_SHORT: |
2537 | case LTT_USHORT: |
2538 | case LTT_INT: |
2539 | case LTT_UINT: |
2540 | case LTT_LONG: |
2541 | case LTT_ULONG: |
2542 | case LTT_SIZE_T: |
2543 | case LTT_SSIZE_T: |
2544 | case LTT_OFF_T: |
2545 | case LTT_FLOAT: |
2546 | case LTT_ENUM: |
743e50fd |
2547 | g_assert(field->field_size != 0); |
f104d082 |
2548 | /* Align offset on type size */ |
743e50fd |
2549 | *offset += ltt_align(*offset, get_alignment(field), |
2550 | fac->alignment); |
f104d082 |
2551 | /* remember offset */ |
2552 | field->offset_root = *offset; |
2553 | field->fixed_root = FIELD_FIXED; |
2554 | /* Increment offset */ |
2555 | *offset += field->field_size; |
2556 | return 0; |
2557 | break; |
2558 | case LTT_STRING: |
2559 | field->offset_root = *offset; |
2560 | field->fixed_root = FIELD_FIXED; |
2561 | return 1; |
2562 | break; |
2563 | case LTT_ARRAY: |
2564 | g_assert(type->fields->len == 1); |
2565 | { |
2566 | LttField *child = &g_array_index(type->fields, LttField, 0); |
2567 | |
743e50fd |
2568 | *offset += ltt_align(*offset, get_alignment(field), |
2569 | fac->alignment); |
f104d082 |
2570 | |
2571 | /* remember offset */ |
2572 | field->offset_root = *offset; |
2573 | field->array_offset = *offset; |
2574 | field->fixed_root = FIELD_FIXED; |
2575 | |
2576 | /* Let the child be variable */ |
2577 | //precompute_fields_offsets(tf, child, offset); |
2578 | |
2579 | if(field->field_size != 0) { |
2580 | /* Increment offset */ |
2581 | /* field_size is the array size in bytes */ |
2582 | *offset += field->field_size; |
2583 | return 0; |
2584 | } else { |
2585 | return 1; |
2586 | } |
2587 | } |
2588 | break; |
2589 | case LTT_SEQUENCE: |
2590 | g_assert(type->fields->len == 2); |
2591 | { |
2592 | LttField *child; |
2593 | guint ret; |
2594 | |
743e50fd |
2595 | *offset += ltt_align(*offset, get_alignment(field), |
2596 | fac->alignment); |
f104d082 |
2597 | |
2598 | /* remember offset */ |
2599 | field->offset_root = *offset; |
2600 | field->fixed_root = FIELD_FIXED; |
2601 | |
2602 | child = &g_array_index(type->fields, LttField, 0); |
dd3a6d39 |
2603 | ret = precompute_fields_offsets(fac, child, offset, is_compact); |
f104d082 |
2604 | g_assert(ret == 0); /* Seq len cannot have variable len */ |
2605 | |
2606 | child = &g_array_index(type->fields, LttField, 1); |
743e50fd |
2607 | *offset += ltt_align(*offset, get_alignment(child), |
2608 | fac->alignment); |
f104d082 |
2609 | field->array_offset = *offset; |
743e50fd |
2610 | /* Let the child be variable. */ |
2611 | //ret = precompute_fields_offsets(fac, child, offset); |
f104d082 |
2612 | |
2613 | /* Cannot precompute fields offsets of sequence members, and has |
2614 | * variable length. */ |
2615 | return 1; |
2616 | } |
2617 | break; |
2618 | case LTT_STRUCT: |
2619 | { |
2620 | LttField *child; |
2621 | guint i; |
2622 | gint ret=0; |
2623 | |
743e50fd |
2624 | *offset += ltt_align(*offset, get_alignment(field), |
2625 | fac->alignment); |
f104d082 |
2626 | /* remember offset */ |
2627 | field->offset_root = *offset; |
2628 | field->fixed_root = FIELD_FIXED; |
2629 | |
2630 | for(i=0; i< type->fields->len; i++) { |
2631 | child = &g_array_index(type->fields, LttField, i); |
dd3a6d39 |
2632 | ret = precompute_fields_offsets(fac, child, offset, is_compact); |
f104d082 |
2633 | |
2634 | if(ret) break; |
2635 | } |
2636 | return ret; |
2637 | } |
2638 | break; |
2639 | case LTT_UNION: |
2640 | { |
2641 | LttField *child; |
2642 | guint i; |
2643 | gint ret=0; |
2644 | |
743e50fd |
2645 | *offset += ltt_align(*offset, get_alignment(field), |
2646 | fac->alignment); |
f104d082 |
2647 | /* remember offset */ |
2648 | field->offset_root = *offset; |
2649 | field->fixed_root = FIELD_FIXED; |
2650 | |
2651 | for(i=0; i< type->fields->len; i++) { |
2652 | *offset = field->offset_root; |
2653 | child = &g_array_index(type->fields, LttField, i); |
dd3a6d39 |
2654 | ret = precompute_fields_offsets(fac, child, offset, is_compact); |
f104d082 |
2655 | |
2656 | if(ret) break; |
2657 | } |
2658 | *offset = field->offset_root + field->field_size; |
2659 | return ret; |
2660 | } |
2661 | |
2662 | break; |
2663 | case LTT_NONE: |
2664 | default: |
2665 | g_error("precompute_fields_offsets : unknown type"); |
2666 | return 1; |
2667 | } |
2668 | |
2669 | } |
2670 | |
3c165eaf |
2671 | #endif //0 |
f104d082 |
2672 | |
3c165eaf |
2673 | #if 0 |
f104d082 |
2674 | /***************************************************************************** |
2675 | *Function name |
2676 | * precompute_offsets : set the precomputable offset of an event type |
2677 | *Input params |
2678 | * tf : tracefile |
2679 | * event : event type |
2680 | * |
2681 | ****************************************************************************/ |
743e50fd |
2682 | void precompute_offsets(LttFacility *fac, LttEventType *event) |
f104d082 |
2683 | { |
2684 | guint i; |
2685 | off_t offset = 0; |
2686 | gint ret; |
2687 | |
2688 | /* First, compute the size of fixed size fields. Will determine size for |
2689 | * arrays, struct and unions, which is not done by the parser */ |
2690 | for(i=0; i<event->fields->len; i++) { |
2691 | LttField *field = &g_array_index(event->fields, LttField, i); |
743e50fd |
2692 | field_compute_static_size(fac, field); |
f104d082 |
2693 | } |
2694 | |
2695 | /* Precompute all known offsets */ |
2696 | for(i=0; i<event->fields->len; i++) { |
2697 | LttField *field = &g_array_index(event->fields, LttField, i); |
dd3a6d39 |
2698 | if(event->has_compact_data && i == 0) |
2699 | ret = precompute_fields_offsets(fac, field, &offset, 1); |
2700 | else |
2701 | ret = precompute_fields_offsets(fac, field, &offset, 0); |
f104d082 |
2702 | if(ret) break; |
2703 | } |
2704 | } |
3c165eaf |
2705 | #endif //0 |
f104d082 |
2706 | |
e4eced0f |
2707 | |
bbf28e50 |
2708 | |
3aee1200 |
2709 | /***************************************************************************** |
2710 | *Function name |
2711 | * preset_field_type_size : set the fixed sizes of the field type |
2712 | *Input params |
2713 | * tf : tracefile |
2714 | * event_type : event type |
2715 | * offset_root : offset from the root |
2716 | * offset_parent : offset from the parent |
2717 | * fixed_root : Do we know a fixed offset to the root ? |
2718 | * fixed_parent : Do we know a fixed offset to the parent ? |
2719 | * field : field |
2720 | ****************************************************************************/ |
f104d082 |
2721 | |
2722 | |
2723 | |
2724 | // preset the fixed size offsets. Calculate them just like genevent-new : an |
2725 | // increment of a *to value that represents the offset from the start of the |
2726 | // event data. |
2727 | // The preset information is : offsets up to (and including) the first element |
2728 | // of variable size. All subsequent fields must be flagged "VARIABLE OFFSET". |
2729 | #if 0 |
3aee1200 |
2730 | void preset_field_type_size(LttTracefile *tf, LttEventType *event_type, |
2731 | off_t offset_root, off_t offset_parent, |
2732 | enum field_status *fixed_root, enum field_status *fixed_parent, |
2733 | LttField *field) |
2734 | { |
2735 | enum field_status local_fixed_root, local_fixed_parent; |
2736 | guint i; |
2737 | LttType *type; |
dfb73233 |
2738 | |
3aee1200 |
2739 | g_assert(field->fixed_root == FIELD_UNKNOWN); |
2740 | g_assert(field->fixed_parent == FIELD_UNKNOWN); |
2741 | g_assert(field->fixed_size == FIELD_UNKNOWN); |
dfb73233 |
2742 | |
3aee1200 |
2743 | type = field->field_type; |
2744 | |
2745 | field->fixed_root = *fixed_root; |
2746 | if(field->fixed_root == FIELD_FIXED) |
2747 | field->offset_root = offset_root; |
2748 | else |
2749 | field->offset_root = 0; |
2750 | |
2751 | field->fixed_parent = *fixed_parent; |
2752 | if(field->fixed_parent == FIELD_FIXED) |
2753 | field->offset_parent = offset_parent; |
2754 | else |
2755 | field->offset_parent = 0; |
2756 | |
2757 | size_t current_root_offset; |
2758 | size_t current_offset; |
2759 | enum field_status current_child_status, final_child_status; |
2760 | size_t max_size; |
2761 | |
2762 | switch(type->type_class) { |
83e160f2 |
2763 | case LTT_INT_FIXED: |
2764 | case LTT_UINT_FIXED: |
2765 | case LTT_CHAR: |
2766 | case LTT_UCHAR: |
2767 | case LTT_SHORT: |
2768 | case LTT_USHORT: |
3aee1200 |
2769 | case LTT_INT: |
2770 | case LTT_UINT: |
2771 | case LTT_FLOAT: |
2772 | case LTT_ENUM: |
2773 | field->field_size = ltt_type_size(tf->trace, type); |
2774 | field->fixed_size = FIELD_FIXED; |
2775 | break; |
2776 | case LTT_POINTER: |
2777 | field->field_size = (off_t)event_type->facility->pointer_size; |
2778 | field->fixed_size = FIELD_FIXED; |
2779 | break; |
2780 | case LTT_LONG: |
2781 | case LTT_ULONG: |
cb03932a |
2782 | field->field_size = (off_t)event_type->facility->long_size; |
3aee1200 |
2783 | field->fixed_size = FIELD_FIXED; |
2784 | break; |
2785 | case LTT_SIZE_T: |
2786 | case LTT_SSIZE_T: |
2787 | case LTT_OFF_T: |
2788 | field->field_size = (off_t)event_type->facility->size_t_size; |
2789 | field->fixed_size = FIELD_FIXED; |
2790 | break; |
2791 | case LTT_SEQUENCE: |
2792 | local_fixed_root = FIELD_VARIABLE; |
2793 | local_fixed_parent = FIELD_VARIABLE; |
2794 | preset_field_type_size(tf, event_type, |
2795 | 0, 0, |
2796 | &local_fixed_root, &local_fixed_parent, |
2797 | field->child[0]); |
2798 | field->fixed_size = FIELD_VARIABLE; |
2799 | field->field_size = 0; |
27304273 |
2800 | *fixed_root = FIELD_VARIABLE; |
2801 | *fixed_parent = FIELD_VARIABLE; |
3aee1200 |
2802 | break; |
2803 | case LTT_STRING: |
2804 | field->fixed_size = FIELD_VARIABLE; |
2805 | field->field_size = 0; |
27304273 |
2806 | *fixed_root = FIELD_VARIABLE; |
2807 | *fixed_parent = FIELD_VARIABLE; |
3aee1200 |
2808 | break; |
2809 | case LTT_ARRAY: |
2810 | local_fixed_root = FIELD_VARIABLE; |
2811 | local_fixed_parent = FIELD_VARIABLE; |
2812 | preset_field_type_size(tf, event_type, |
2813 | 0, 0, |
2814 | &local_fixed_root, &local_fixed_parent, |
2815 | field->child[0]); |
2816 | field->fixed_size = field->child[0]->fixed_size; |
27304273 |
2817 | if(field->fixed_size == FIELD_FIXED) { |
3aee1200 |
2818 | field->field_size = type->element_number * field->child[0]->field_size; |
27304273 |
2819 | } else { |
3aee1200 |
2820 | field->field_size = 0; |
27304273 |
2821 | *fixed_root = FIELD_VARIABLE; |
2822 | *fixed_parent = FIELD_VARIABLE; |
2823 | } |
3aee1200 |
2824 | break; |
2825 | case LTT_STRUCT: |
2826 | current_root_offset = field->offset_root; |
2827 | current_offset = 0; |
2828 | current_child_status = FIELD_FIXED; |
2829 | for(i=0;i<type->element_number;i++) { |
2830 | preset_field_type_size(tf, event_type, |
2831 | current_root_offset, current_offset, |
2832 | fixed_root, ¤t_child_status, |
2833 | field->child[i]); |
2834 | if(current_child_status == FIELD_FIXED) { |
2835 | current_root_offset += field->child[i]->field_size; |
2836 | current_offset += field->child[i]->field_size; |
2837 | } else { |
2838 | current_root_offset = 0; |
2839 | current_offset = 0; |
2840 | } |
2841 | } |
2842 | if(current_child_status != FIELD_FIXED) { |
2843 | *fixed_parent = current_child_status; |
2844 | field->field_size = 0; |
2845 | field->fixed_size = current_child_status; |
2846 | } else { |
2847 | field->field_size = current_offset; |
2848 | field->fixed_size = FIELD_FIXED; |
2849 | } |
2850 | break; |
2851 | case LTT_UNION: |
2852 | current_root_offset = field->offset_root; |
2853 | current_offset = 0; |
2854 | max_size = 0; |
2855 | final_child_status = FIELD_FIXED; |
2856 | for(i=0;i<type->element_number;i++) { |
2857 | enum field_status current_root_child_status = FIELD_FIXED; |
2858 | enum field_status current_child_status = FIELD_FIXED; |
2859 | preset_field_type_size(tf, event_type, |
2860 | current_root_offset, current_offset, |
2861 | ¤t_root_child_status, ¤t_child_status, |
2862 | field->child[i]); |
2863 | if(current_child_status != FIELD_FIXED) |
2864 | final_child_status = current_child_status; |
2865 | else |
2866 | max_size = max(max_size, field->child[i]->field_size); |
2867 | } |
2868 | if(final_child_status != FIELD_FIXED) { |
62e4e7bf |
2869 | g_error("LTTV does not support variable size fields in unions."); |
2870 | /* This will stop the application. */ |
3aee1200 |
2871 | *fixed_root = final_child_status; |
2872 | *fixed_parent = final_child_status; |
2873 | field->field_size = 0; |
2874 | field->fixed_size = current_child_status; |
2875 | } else { |
2876 | field->field_size = max_size; |
2877 | field->fixed_size = FIELD_FIXED; |
2878 | } |
2879 | break; |
83e160f2 |
2880 | case LTT_NONE: |
2881 | g_error("unexpected type NONE"); |
2882 | break; |
dfb73233 |
2883 | } |
2884 | |
6cd62ccf |
2885 | } |
f104d082 |
2886 | #endif //0 |
3aee1200 |
2887 | |
77175651 |
2888 | /***************************************************************************** |
2889 | *Function name |
2890 | * check_fields_compatibility : Check for compatibility between two fields : |
2891 | * do they use the same inner structure ? |
2892 | *Input params |
2893 | * event_type1 : event type |
2894 | * event_type2 : event type |
2895 | * field1 : field |
2896 | * field2 : field |
2897 | *Returns : 0 if identical |
2898 | * 1 if not. |
2899 | ****************************************************************************/ |
f104d082 |
2900 | // this function checks for equality of field types. Therefore, it does not use |
2901 | // per se offsets. For instance, an aligned version of a structure is |
2902 | // compatible with an unaligned version of the same structure. |
3c165eaf |
2903 | #if 0 |
f104d082 |
2904 | gint check_fields_compatibility(LttEventType *event_type1, |
2905 | LttEventType *event_type2, |
2906 | LttField *field1, LttField *field2) |
2907 | { |
2908 | guint different = 0; |
2312de30 |
2909 | LttType *type1; |
2910 | LttType *type2; |
f104d082 |
2911 | |
2912 | if(field1 == NULL) { |
2913 | if(field2 == NULL) goto end; |
2914 | else { |
2915 | different = 1; |
2916 | goto end; |
2917 | } |
2918 | } else if(field2 == NULL) { |
2919 | different = 1; |
2920 | goto end; |
2921 | } |
2922 | |
2312de30 |
2923 | type1 = &field1->field_type; |
2924 | type2 = &field2->field_type; |
f104d082 |
2925 | |
2926 | if(type1->type_class != type2->type_class) { |
2927 | different = 1; |
2928 | goto end; |
2929 | } |
62e4e7bf |
2930 | if(type1->network != type2->network) { |
2931 | different = 1; |
2932 | goto end; |
2933 | } |
f104d082 |
2934 | |
2935 | switch(type1->type_class) { |
2936 | case LTT_INT_FIXED: |
2937 | case LTT_UINT_FIXED: |
2938 | case LTT_POINTER: |
2939 | case LTT_CHAR: |
2940 | case LTT_UCHAR: |
2941 | case LTT_SHORT: |
2942 | case LTT_USHORT: |
2943 | case LTT_INT: |
2944 | case LTT_UINT: |
2945 | case LTT_LONG: |
2946 | case LTT_ULONG: |
2947 | case LTT_SIZE_T: |
2948 | case LTT_SSIZE_T: |
2949 | case LTT_OFF_T: |
2950 | case LTT_FLOAT: |
2951 | case LTT_ENUM: |
2952 | if(field1->field_size != field2->field_size) |
2953 | different = 1; |
2954 | break; |
2955 | case LTT_STRING: |
2956 | break; |
2957 | case LTT_ARRAY: |
2958 | { |
2959 | LttField *child1 = &g_array_index(type1->fields, LttField, 0); |
2960 | LttField *child2 = &g_array_index(type2->fields, LttField, 0); |
2961 | |
2962 | if(type1->size != type2->size) |
2963 | different = 1; |
2964 | if(check_fields_compatibility(event_type1, event_type2, child1, child2)) |
2965 | different = 1; |
2966 | } |
2967 | break; |
2968 | case LTT_SEQUENCE: |
2969 | { |
2970 | LttField *child1 = &g_array_index(type1->fields, LttField, 1); |
2971 | LttField *child2 = &g_array_index(type2->fields, LttField, 1); |
2972 | |
2973 | if(check_fields_compatibility(event_type1, event_type2, child1, child2)) |
2974 | different = 1; |
2975 | } |
2976 | break; |
2977 | case LTT_STRUCT: |
2978 | case LTT_UNION: |
2979 | { |
2980 | LttField *child; |
2981 | guint i; |
2982 | |
2983 | if(type1->fields->len != type2->fields->len) { |
2984 | different = 1; |
2985 | goto end; |
2986 | } |
2987 | |
2988 | for(i=0; i< type1->fields->len; i++) { |
2312de30 |
2989 | LttField *child1; |
2990 | LttField *child2; |
f104d082 |
2991 | child1 = &g_array_index(type1->fields, LttField, i); |
2992 | child2 = &g_array_index(type2->fields, LttField, i); |
2993 | different = check_fields_compatibility(event_type1, |
2994 | event_type2, child1, child2); |
2995 | |
2996 | if(different) break; |
2997 | } |
2998 | } |
2999 | break; |
3000 | case LTT_NONE: |
3001 | default: |
dd3a6d39 |
3002 | g_error("check_fields_compatibility : unknown type"); |
f104d082 |
3003 | } |
3004 | |
3005 | end: |
3006 | return different; |
3007 | } |
3c165eaf |
3008 | #endif //0 |
f104d082 |
3009 | |
3010 | #if 0 |
77175651 |
3011 | gint check_fields_compatibility(LttEventType *event_type1, |
3012 | LttEventType *event_type2, |
3013 | LttField *field1, LttField *field2) |
3014 | { |
3015 | guint different = 0; |
77175651 |
3016 | guint i; |
3017 | LttType *type1; |
3018 | LttType *type2; |
3019 | |
3020 | if(field1 == NULL) { |
3021 | if(field2 == NULL) goto end; |
3022 | else { |
3023 | different = 1; |
3024 | goto end; |
3025 | } |
3026 | } else if(field2 == NULL) { |
3027 | different = 1; |
3028 | goto end; |
3029 | } |
3030 | |
3031 | g_assert(field1->fixed_root != FIELD_UNKNOWN); |
3032 | g_assert(field2->fixed_root != FIELD_UNKNOWN); |
3033 | g_assert(field1->fixed_parent != FIELD_UNKNOWN); |
3034 | g_assert(field2->fixed_parent != FIELD_UNKNOWN); |
3035 | g_assert(field1->fixed_size != FIELD_UNKNOWN); |
3036 | g_assert(field2->fixed_size != FIELD_UNKNOWN); |
3037 | |
3038 | type1 = field1->field_type; |
3039 | type2 = field2->field_type; |
3040 | |
77175651 |
3041 | if(type1->type_class != type2->type_class) { |
3042 | different = 1; |
3043 | goto end; |
3044 | } |
3045 | if(type1->element_name != type2->element_name) { |
3046 | different = 1; |
3047 | goto end; |
3048 | } |
3049 | |
3050 | switch(type1->type_class) { |
83e160f2 |
3051 | case LTT_INT_FIXED: |
3052 | case LTT_UINT_FIXED: |
3053 | case LTT_POINTER: |
3054 | case LTT_CHAR: |
3055 | case LTT_UCHAR: |
3056 | case LTT_SHORT: |
3057 | case LTT_USHORT: |
77175651 |
3058 | case LTT_INT: |
3059 | case LTT_UINT: |
3060 | case LTT_FLOAT: |
3061 | case LTT_POINTER: |
3062 | case LTT_LONG: |
3063 | case LTT_ULONG: |
3064 | case LTT_SIZE_T: |
3065 | case LTT_SSIZE_T: |
3066 | case LTT_OFF_T: |
3067 | if(field1->field_size != field2->field_size) { |
3068 | different = 1; |
3069 | goto end; |
3070 | } |
3071 | break; |
3072 | case LTT_ENUM: |
3073 | if(type1->element_number != type2->element_number) { |
3074 | different = 1; |
3075 | goto end; |
3076 | } |
3077 | for(i=0;i<type1->element_number;i++) { |
3078 | if(type1->enum_strings[i] != type2->enum_strings[i]) { |
3079 | different = 1; |
3080 | goto end; |
3081 | } |
3082 | } |
3083 | break; |
3084 | case LTT_SEQUENCE: |
3085 | /* Two elements : size and child */ |
3086 | g_assert(type1->element_number != type2->element_number); |
3087 | for(i=0;i<type1->element_number;i++) { |
3088 | if(check_fields_compatibility(event_type1, event_type2, |
3089 | field1->child[0], field2->child[0])) { |
3090 | different = 1; |
3091 | goto end; |
3092 | } |
3093 | } |
3094 | break; |
3095 | case LTT_STRING: |
3096 | break; |
3097 | case LTT_ARRAY: |
3098 | if(field1->field_size != field2->field_size) { |
3099 | different = 1; |
3100 | goto end; |
3101 | } |
3102 | /* Two elements : size and child */ |
3103 | g_assert(type1->element_number != type2->element_number); |
3104 | for(i=0;i<type1->element_number;i++) { |
3105 | if(check_fields_compatibility(event_type1, event_type2, |
3106 | field1->child[0], field2->child[0])) { |
3107 | different = 1; |
3108 | goto end; |
3109 | } |
3110 | } |
3111 | break; |
3112 | case LTT_STRUCT: |
3113 | case LTT_UNION: |
3114 | if(type1->element_number != type2->element_number) { |
3115 | different = 1; |
3116 | break; |
3117 | } |
3118 | for(i=0;i<type1->element_number;i++) { |
3119 | if(check_fields_compatibility(event_type1, event_type2, |
3120 | field1->child[0], field2->child[0])) { |
3121 | different = 1; |
3122 | goto end; |
3123 | } |
3124 | } |
3125 | break; |
3126 | } |
3127 | end: |
3128 | return different; |
3129 | } |
3aee1200 |
3130 | #endif //0 |
6cd62ccf |
3131 | |
f104d082 |
3132 | |
6cd62ccf |
3133 | /***************************************************************************** |
3134 | *Function name |
eed2ef37 |
3135 | * ltt_get_int : get an integer number |
6cd62ccf |
3136 | *Input params |
3aee1200 |
3137 | * reverse_byte_order: must we reverse the byte order ? |
6cd62ccf |
3138 | * size : the size of the integer |
3aee1200 |
3139 | * ptr : the data pointer |
6cd62ccf |
3140 | *Return value |
cf74a6f1 |
3141 | * gint64 : a 64 bits integer |
6cd62ccf |
3142 | ****************************************************************************/ |
3143 | |
eed2ef37 |
3144 | gint64 ltt_get_int(gboolean reverse_byte_order, gint size, void *data) |
6cd62ccf |
3145 | { |
3aee1200 |
3146 | gint64 val; |
cf74a6f1 |
3147 | |
3148 | switch(size) { |
3aee1200 |
3149 | case 1: val = *((gint8*)data); break; |
3150 | case 2: val = ltt_get_int16(reverse_byte_order, data); break; |
3151 | case 4: val = ltt_get_int32(reverse_byte_order, data); break; |
3152 | case 8: val = ltt_get_int64(reverse_byte_order, data); break; |
3153 | default: val = ltt_get_int64(reverse_byte_order, data); |
3154 | g_critical("get_int : integer size %d unknown", size); |
cf74a6f1 |
3155 | break; |
3156 | } |
3157 | |
3aee1200 |
3158 | return val; |
6cd62ccf |
3159 | } |
3aee1200 |
3160 | |
6cd62ccf |
3161 | /***************************************************************************** |
3162 | *Function name |
eed2ef37 |
3163 | * ltt_get_uint : get an unsigned integer number |
6cd62ccf |
3164 | *Input params |
3aee1200 |
3165 | * reverse_byte_order: must we reverse the byte order ? |
3166 | * size : the size of the integer |
3167 | * ptr : the data pointer |
3168 | *Return value |
3169 | * guint64 : a 64 bits unsigned integer |
6cd62ccf |
3170 | ****************************************************************************/ |
3171 | |
eed2ef37 |
3172 | guint64 ltt_get_uint(gboolean reverse_byte_order, gint size, void *data) |
6cd62ccf |
3173 | { |
3aee1200 |
3174 | guint64 val; |
3175 | |
3176 | switch(size) { |
3177 | case 1: val = *((gint8*)data); break; |
3178 | case 2: val = ltt_get_uint16(reverse_byte_order, data); break; |
3179 | case 4: val = ltt_get_uint32(reverse_byte_order, data); break; |
3180 | case 8: val = ltt_get_uint64(reverse_byte_order, data); break; |
3181 | default: val = ltt_get_uint64(reverse_byte_order, data); |
3182 | g_critical("get_uint : unsigned integer size %d unknown", |
3183 | size); |
3184 | break; |
3185 | } |
3186 | |
3187 | return val; |
6cd62ccf |
3188 | } |
3aee1200 |
3189 | |
3190 | |
a5dcde2f |
3191 | /* get the node name of the system */ |
3192 | |
3193 | char * ltt_trace_system_description_node_name (LttSystemDescription * s) |
3194 | { |
3195 | return s->node_name; |
3196 | } |
3197 | |
3198 | |
3199 | /* get the domain name of the system */ |
3200 | |
3201 | char * ltt_trace_system_description_domain_name (LttSystemDescription * s) |
3202 | { |
3203 | return s->domain_name; |
3204 | } |
3205 | |
3206 | |
3207 | /* get the description of the system */ |
3208 | |
3209 | char * ltt_trace_system_description_description (LttSystemDescription * s) |
3210 | { |
3211 | return s->description; |
3212 | } |
3213 | |
3214 | |
bf33dd50 |
3215 | /* get the NTP corrected start time of the trace */ |
7bd563ec |
3216 | LttTime ltt_trace_start_time(LttTrace *t) |
a5dcde2f |
3217 | { |
7bd563ec |
3218 | return t->start_time; |
a5dcde2f |
3219 | } |
3220 | |
bf33dd50 |
3221 | /* get the monotonic start time of the trace */ |
3222 | LttTime ltt_trace_start_time_monotonic(LttTrace *t) |
3223 | { |
3224 | return t->start_time_from_tsc; |
3225 | } |
3226 | |
18206708 |
3227 | LttTracefile *ltt_tracefile_new() |
3228 | { |
afd57a3c |
3229 | LttTracefile *tf; |
3230 | tf = g_new(LttTracefile, 1); |
3231 | tf->event.tracefile = tf; |
3232 | return tf; |
18206708 |
3233 | } |
3234 | |
3235 | void ltt_tracefile_destroy(LttTracefile *tf) |
3236 | { |
3237 | g_free(tf); |
3238 | } |
3239 | |
3240 | void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src) |
3241 | { |
3242 | *dest = *src; |
3243 | } |
3244 | |
3aee1200 |
3245 | /* Before library loading... */ |
3246 | |
3c165eaf |
3247 | void init(void) |
3aee1200 |
3248 | { |
3249 | LTT_FACILITY_NAME_HEARTBEAT = g_quark_from_string("heartbeat"); |
3250 | LTT_EVENT_NAME_HEARTBEAT = g_quark_from_string("heartbeat"); |
d1bb700c |
3251 | LTT_EVENT_NAME_HEARTBEAT_FULL = g_quark_from_string("heartbeat_full"); |
3aee1200 |
3252 | |
3865ea09 |
3253 | LTT_TRACEFILE_NAME_FACILITIES = g_quark_from_string("/control/facilities"); |
3aee1200 |
3254 | } |