449cb9d7 |
1 | /* This file is part of the Linux Trace Toolkit viewer |
57df94dd |
2 | * Copyright (C) 2003-2004 Xiangxiu Yang, Mathieu Desnoyers |
449cb9d7 |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License Version 2 as |
6 | * published by the Free Software Foundation; |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License |
14 | * along with this program; if not, write to the Free Software |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
16 | * MA 02111-1307, USA. |
17 | */ |
18 | |
6cd62ccf |
19 | #include <stdio.h> |
20 | #include <fcntl.h> |
8d1e6362 |
21 | #include <string.h> |
22 | #include <dirent.h> |
6cd62ccf |
23 | #include <sys/stat.h> |
24 | #include <sys/types.h> |
8d1e6362 |
25 | #include <errno.h> |
26 | #include <unistd.h> |
42db9bf1 |
27 | #include <math.h> |
6cd62ccf |
28 | |
ef35d837 |
29 | // For realpath |
30 | #include <limits.h> |
31 | #include <stdlib.h> |
32 | |
33 | |
6cd62ccf |
34 | #include "parser.h" |
a5dcde2f |
35 | #include <ltt/ltt.h> |
36 | #include "ltt-private.h" |
963b5f2d |
37 | #include <ltt/trace.h> |
a5dcde2f |
38 | #include <ltt/facility.h> |
c02ea99f |
39 | #include <ltt/event.h> |
8d1e6362 |
40 | #include <ltt/type.h> |
1a2ceb63 |
41 | #include <ltt/ltt-types.h> |
6cd62ccf |
42 | |
963b5f2d |
43 | #define DIR_NAME_SIZE 256 |
51b5991e |
44 | #define __UNUSED__ __attribute__((__unused__)) |
6cd62ccf |
45 | |
a1062ddd |
46 | #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format) |
47 | #define g_debug(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format) |
48 | |
8959a0c8 |
49 | |
50 | /* obtain the time of an event */ |
51 | |
52 | static inline LttTime getEventTime(LttTracefile * tf); |
53 | |
54 | |
6cd62ccf |
55 | /* set the offset of the fields belonging to the event, |
56 | need the information of the archecture */ |
40331ba8 |
57 | void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace *t); |
6cd62ccf |
58 | |
59 | /* get the size of the field type according to the archtecture's |
60 | size and endian type(info of the archecture) */ |
21182d4a |
61 | static inline gint getFieldtypeSize(LttTracefile * tf, |
62 | LttEventType * evT, gint offsetRoot, |
63 | gint offsetParent, LttField *fld, void *evD, LttTrace* t); |
6cd62ccf |
64 | |
65 | /* read a fixed size or a block information from the file (fd) */ |
66 | int readFile(int fd, void * buf, size_t size, char * mesg); |
963b5f2d |
67 | int readBlock(LttTracefile * tf, int whichBlock); |
6cd62ccf |
68 | |
69 | /* calculate cycles per nsec for current block */ |
963b5f2d |
70 | void getCyclePerNsec(LttTracefile * t); |
6cd62ccf |
71 | |
72 | /* reinitialize the info of the block which is already in the buffer */ |
963b5f2d |
73 | void updateTracefile(LttTracefile * tf); |
6cd62ccf |
74 | |
75 | /* go to the next event */ |
963b5f2d |
76 | int skipEvent(LttTracefile * t); |
6cd62ccf |
77 | |
6cd62ccf |
78 | |
43da6a59 |
79 | /* Functions to parse system.xml file (using glib xml parser) */ |
51b5991e |
80 | static void parser_start_element (GMarkupParseContext __UNUSED__ *context, |
43da6a59 |
81 | const gchar *element_name, |
82 | const gchar **attribute_names, |
83 | const gchar **attribute_values, |
84 | gpointer user_data, |
85 | GError **error) |
86 | { |
87 | int i=0; |
88 | LttSystemDescription* des = (LttSystemDescription* )user_data; |
89 | if(strcmp("system", element_name)){ |
2a74fbf4 |
90 | *error = g_error_new(G_MARKUP_ERROR, |
91 | G_LOG_LEVEL_WARNING, |
92 | "This is not system.xml file"); |
93 | return; |
43da6a59 |
94 | } |
95 | |
96 | while(attribute_names[i]){ |
97 | if(strcmp("node_name", attribute_names[i])==0){ |
98 | des->node_name = g_strdup(attribute_values[i]); |
99 | }else if(strcmp("domainname", attribute_names[i])==0){ |
100 | des->domain_name = g_strdup(attribute_values[i]); |
101 | }else if(strcmp("cpu", attribute_names[i])==0){ |
102 | des->nb_cpu = atoi(attribute_values[i]); |
103 | }else if(strcmp("arch_size", attribute_names[i])==0){ |
104 | if(strcmp(attribute_values[i],"LP32") == 0) des->size = LTT_LP32; |
105 | else if(strcmp(attribute_values[i],"ILP32") == 0) des->size = LTT_ILP32; |
106 | else if(strcmp(attribute_values[i],"LP64") == 0) des->size = LTT_LP64; |
107 | else if(strcmp(attribute_values[i],"ILP64") == 0) des->size = LTT_ILP64; |
108 | else if(strcmp(attribute_values[i],"UNKNOWN") == 0) des->size = LTT_UNKNOWN; |
109 | }else if(strcmp("endian", attribute_names[i])==0){ |
110 | if(strcmp(attribute_values[i],"LITTLE_ENDIAN") == 0) |
111 | des->endian = LTT_LITTLE_ENDIAN; |
112 | else if(strcmp(attribute_values[i],"BIG_ENDIAN") == 0) |
113 | des->endian = LTT_BIG_ENDIAN; |
114 | }else if(strcmp("kernel_name", attribute_names[i])==0){ |
115 | des->kernel_name = g_strdup(attribute_values[i]); |
116 | }else if(strcmp("kernel_release", attribute_names[i])==0){ |
117 | des->kernel_release = g_strdup(attribute_values[i]); |
118 | }else if(strcmp("kernel_version", attribute_names[i])==0){ |
119 | des->kernel_version = g_strdup(attribute_values[i]); |
120 | }else if(strcmp("machine", attribute_names[i])==0){ |
121 | des->machine = g_strdup(attribute_values[i]); |
122 | }else if(strcmp("processor", attribute_names[i])==0){ |
123 | des->processor = g_strdup(attribute_values[i]); |
124 | }else if(strcmp("hardware_platform", attribute_names[i])==0){ |
125 | des->hardware_platform = g_strdup(attribute_values[i]); |
126 | }else if(strcmp("operating_system", attribute_names[i])==0){ |
127 | des->operating_system = g_strdup(attribute_values[i]); |
128 | }else if(strcmp("ltt_major_version", attribute_names[i])==0){ |
129 | des->ltt_major_version = atoi(attribute_values[i]); |
130 | }else if(strcmp("ltt_minor_version", attribute_names[i])==0){ |
131 | des->ltt_minor_version = atoi(attribute_values[i]); |
132 | }else if(strcmp("ltt_block_size", attribute_names[i])==0){ |
133 | des->ltt_block_size = atoi(attribute_values[i]); |
134 | }else{ |
2a74fbf4 |
135 | *error = g_error_new(G_MARKUP_ERROR, |
136 | G_LOG_LEVEL_WARNING, |
137 | "Not a valid attribute"); |
138 | return; |
43da6a59 |
139 | } |
140 | i++; |
141 | } |
142 | } |
143 | |
51b5991e |
144 | static void parser_characters (GMarkupParseContext __UNUSED__ *context, |
43da6a59 |
145 | const gchar *text, |
51b5991e |
146 | gsize __UNUSED__ text_len, |
43da6a59 |
147 | gpointer user_data, |
51b5991e |
148 | GError __UNUSED__ **error) |
43da6a59 |
149 | { |
150 | LttSystemDescription* des = (LttSystemDescription* )user_data; |
151 | des->description = g_strdup(text); |
152 | } |
153 | |
154 | |
6cd62ccf |
155 | /***************************************************************************** |
156 | *Function name |
963b5f2d |
157 | * ltt_tracefile_open : open a trace file, construct a LttTracefile |
6cd62ccf |
158 | *Input params |
963b5f2d |
159 | * t : the trace containing the tracefile |
160 | * fileName : path name of the trace file |
6cd62ccf |
161 | *Return value |
963b5f2d |
162 | * : a pointer to a tracefile |
6cd62ccf |
163 | ****************************************************************************/ |
164 | |
963b5f2d |
165 | LttTracefile* ltt_tracefile_open(LttTrace * t, char * fileName) |
6cd62ccf |
166 | { |
963b5f2d |
167 | LttTracefile * tf; |
168 | struct stat lTDFStat; /* Trace data file status */ |
6cd62ccf |
169 | |
963b5f2d |
170 | tf = g_new(LttTracefile, 1); |
6cd62ccf |
171 | |
172 | //open the file |
963b5f2d |
173 | tf->name = g_strdup(fileName); |
174 | tf->trace = t; |
6cd62ccf |
175 | tf->fd = open(fileName, O_RDONLY, 0); |
176 | if(tf->fd < 0){ |
2a74fbf4 |
177 | g_warning("Unable to open input data file %s\n", fileName); |
178 | g_free(tf->name); |
179 | g_free(tf); |
180 | return NULL; |
6cd62ccf |
181 | } |
182 | |
183 | // Get the file's status |
184 | if(fstat(tf->fd, &lTDFStat) < 0){ |
2a74fbf4 |
185 | g_warning("Unable to get the status of the input data file %s\n", fileName); |
186 | g_free(tf->name); |
187 | close(tf->fd); |
188 | g_free(tf); |
189 | return NULL; |
6cd62ccf |
190 | } |
191 | |
192 | // Is the file large enough to contain a trace |
8d1e6362 |
193 | if(lTDFStat.st_size < (off_t)(sizeof(BlockStart) + EVENT_HEADER_SIZE)){ |
8710c6c7 |
194 | g_print("The input data file %s does not contain a trace\n", fileName); |
663bd9ff |
195 | g_free(tf->name); |
196 | close(tf->fd); |
197 | g_free(tf); |
8710c6c7 |
198 | return NULL; |
6cd62ccf |
199 | } |
200 | |
201 | //store the size of the file |
202 | tf->file_size = lTDFStat.st_size; |
963b5f2d |
203 | tf->block_size = t->system_description->ltt_block_size; |
204 | tf->block_number = tf->file_size / tf->block_size; |
205 | tf->which_block = 0; |
6cd62ccf |
206 | |
207 | //allocate memory to contain the info of a block |
963b5f2d |
208 | tf->buffer = (void *) g_new(char, t->system_description->ltt_block_size); |
6cd62ccf |
209 | |
963b5f2d |
210 | //read the first block |
211 | if(readBlock(tf,1)) exit(1); |
6cd62ccf |
212 | |
213 | return tf; |
214 | } |
215 | |
6cd62ccf |
216 | |
217 | /***************************************************************************** |
963b5f2d |
218 | *Open control and per cpu tracefiles |
6cd62ccf |
219 | ****************************************************************************/ |
220 | |
963b5f2d |
221 | void ltt_tracefile_open_cpu(LttTrace *t, char * tracefile_name) |
6cd62ccf |
222 | { |
963b5f2d |
223 | LttTracefile * tf; |
224 | tf = ltt_tracefile_open(t,tracefile_name); |
4a6c8e36 |
225 | if(!tf) return; |
963b5f2d |
226 | t->per_cpu_tracefile_number++; |
227 | g_ptr_array_add(t->per_cpu_tracefiles, tf); |
6cd62ccf |
228 | } |
229 | |
2a74fbf4 |
230 | gint ltt_tracefile_open_control(LttTrace *t, char * control_name) |
6cd62ccf |
231 | { |
963b5f2d |
232 | LttTracefile * tf; |
c02ea99f |
233 | LttEvent ev; |
963b5f2d |
234 | LttFacility * f; |
963b5f2d |
235 | void * pos; |
236 | FacilityLoad fLoad; |
8d1e6362 |
237 | unsigned int i; |
963b5f2d |
238 | |
239 | tf = ltt_tracefile_open(t,control_name); |
2a74fbf4 |
240 | if(!tf) { |
241 | g_warning("ltt_tracefile_open_control : bad file descriptor"); |
242 | return -1; |
243 | } |
963b5f2d |
244 | t->control_tracefile_number++; |
245 | g_ptr_array_add(t->control_tracefiles,tf); |
246 | |
247 | //parse facilities tracefile to get base_id |
542ceddd |
248 | if(strcmp(&control_name[strlen(control_name)-10],"facilities") ==0){ |
963b5f2d |
249 | while(1){ |
c02ea99f |
250 | if(!ltt_tracefile_read(tf,&ev)) return 0; // end of file |
40331ba8 |
251 | |
c02ea99f |
252 | if(ev.event_id == TRACE_FACILITY_LOAD){ |
253 | pos = ev.data; |
963b5f2d |
254 | fLoad.name = (char*)pos; |
47a166fc |
255 | fLoad.checksum = *(LttChecksum*)(pos + strlen(fLoad.name)); |
cbd41522 |
256 | fLoad.base_code = *(guint32 *)(pos + strlen(fLoad.name) + sizeof(LttChecksum)); |
963b5f2d |
257 | |
258 | for(i=0;i<t->facility_number;i++){ |
259 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
260 | if(strcmp(f->name,fLoad.name)==0 && fLoad.checksum==f->checksum){ |
261 | f->base_id = fLoad.base_code; |
262 | break; |
263 | } |
264 | } |
2a74fbf4 |
265 | if(i==t->facility_number) { |
8d1e6362 |
266 | g_warning("Facility: %s, checksum: %u is not found", |
267 | fLoad.name,(unsigned int)fLoad.checksum); |
2a74fbf4 |
268 | return -1; |
269 | } |
c02ea99f |
270 | }else if(ev.event_id == TRACE_BLOCK_START){ |
40331ba8 |
271 | continue; |
c02ea99f |
272 | }else if(ev.event_id == TRACE_BLOCK_END){ |
40331ba8 |
273 | break; |
2a74fbf4 |
274 | }else { |
8d1e6362 |
275 | g_warning("Not valid facilities trace file"); |
2a74fbf4 |
276 | return -1; |
277 | } |
963b5f2d |
278 | } |
279 | } |
2a74fbf4 |
280 | return 0; |
6cd62ccf |
281 | } |
282 | |
283 | /***************************************************************************** |
284 | *Function name |
963b5f2d |
285 | * ltt_tracefile_close: close a trace file, |
6cd62ccf |
286 | *Input params |
963b5f2d |
287 | * t : tracefile which will be closed |
6cd62ccf |
288 | ****************************************************************************/ |
289 | |
963b5f2d |
290 | void ltt_tracefile_close(LttTracefile *t) |
6cd62ccf |
291 | { |
963b5f2d |
292 | g_free(t->name); |
293 | g_free(t->buffer); |
663bd9ff |
294 | close(t->fd); |
963b5f2d |
295 | g_free(t); |
296 | } |
6cd62ccf |
297 | |
6cd62ccf |
298 | |
963b5f2d |
299 | /***************************************************************************** |
300 | *Get system information |
301 | ****************************************************************************/ |
2a74fbf4 |
302 | gint getSystemInfo(LttSystemDescription* des, char * pathname) |
963b5f2d |
303 | { |
304 | FILE * fp; |
963b5f2d |
305 | char buf[DIR_NAME_SIZE]; |
43da6a59 |
306 | |
307 | GMarkupParseContext * context; |
2a74fbf4 |
308 | GError * error = NULL; |
43da6a59 |
309 | GMarkupParser markup_parser = |
310 | { |
311 | parser_start_element, |
8d1e6362 |
312 | NULL, |
43da6a59 |
313 | parser_characters, |
314 | NULL, /* passthrough */ |
315 | NULL /* error */ |
316 | }; |
963b5f2d |
317 | |
318 | fp = fopen(pathname,"r"); |
319 | if(!fp){ |
2a74fbf4 |
320 | g_warning("Can not open file : %s\n", pathname); |
321 | return -1; |
6cd62ccf |
322 | } |
963b5f2d |
323 | |
43da6a59 |
324 | context = g_markup_parse_context_new(&markup_parser, 0, des,NULL); |
6cd62ccf |
325 | |
43da6a59 |
326 | while(fgets(buf,DIR_NAME_SIZE, fp) != NULL){ |
327 | if(!g_markup_parse_context_parse(context, buf, DIR_NAME_SIZE, &error)){ |
2a74fbf4 |
328 | if(error != NULL) { |
329 | g_warning("Can not parse xml file: \n%s\n", error->message); |
330 | g_error_free(error); |
331 | } |
332 | g_markup_parse_context_free(context); |
333 | fclose(fp); |
334 | return -1; |
43da6a59 |
335 | } |
963b5f2d |
336 | } |
2a74fbf4 |
337 | g_markup_parse_context_free(context); |
963b5f2d |
338 | fclose(fp); |
2a74fbf4 |
339 | return 0; |
6cd62ccf |
340 | } |
341 | |
342 | /***************************************************************************** |
963b5f2d |
343 | *The following functions get facility/tracefile information |
6cd62ccf |
344 | ****************************************************************************/ |
345 | |
2a74fbf4 |
346 | gint getFacilityInfo(LttTrace *t, char* eventdefs) |
6cd62ccf |
347 | { |
963b5f2d |
348 | DIR * dir; |
349 | struct dirent *entry; |
350 | char * ptr; |
8d1e6362 |
351 | unsigned int i,j; |
963b5f2d |
352 | LttFacility * f; |
353 | LttEventType * et; |
e8bb1a73 |
354 | char name[DIR_NAME_SIZE]; |
963b5f2d |
355 | |
356 | dir = opendir(eventdefs); |
2a74fbf4 |
357 | if(!dir) { |
358 | g_warning("Can not open directory: %s\n", eventdefs); |
359 | return -1; |
360 | } |
963b5f2d |
361 | |
362 | while((entry = readdir(dir)) != NULL){ |
363 | ptr = &entry->d_name[strlen(entry->d_name)-4]; |
364 | if(strcmp(ptr,".xml") != 0) continue; |
e8bb1a73 |
365 | strcpy(name,eventdefs); |
366 | strcat(name,entry->d_name); |
367 | ltt_facility_open(t,name); |
963b5f2d |
368 | } |
369 | closedir(dir); |
370 | |
963b5f2d |
371 | for(j=0;j<t->facility_number;j++){ |
8710c6c7 |
372 | f = (LttFacility*)g_ptr_array_index(t->facilities, j); |
963b5f2d |
373 | for(i=0; i<f->event_number; i++){ |
374 | et = f->events[i]; |
40331ba8 |
375 | setFieldsOffset(NULL, et, NULL, t); |
963b5f2d |
376 | } |
377 | } |
2a74fbf4 |
378 | return 0; |
963b5f2d |
379 | } |
6cd62ccf |
380 | |
2a74fbf4 |
381 | gint getControlFileInfo(LttTrace *t, char* control) |
6cd62ccf |
382 | { |
963b5f2d |
383 | DIR * dir; |
384 | struct dirent *entry; |
e8bb1a73 |
385 | char name[DIR_NAME_SIZE]; |
963b5f2d |
386 | |
387 | dir = opendir(control); |
2a74fbf4 |
388 | if(!dir) { |
389 | g_warning("Can not open directory: %s\n", control); |
390 | return -1; |
391 | } |
963b5f2d |
392 | |
393 | while((entry = readdir(dir)) != NULL){ |
8710c6c7 |
394 | if(strcmp(entry->d_name,"facilities") != 0 && |
395 | strcmp(entry->d_name,"interrupts") != 0 && |
963b5f2d |
396 | strcmp(entry->d_name,"processes") != 0) continue; |
397 | |
e8bb1a73 |
398 | strcpy(name,control); |
399 | strcat(name,entry->d_name); |
2a74fbf4 |
400 | if(ltt_tracefile_open_control(t,name)) |
401 | return -1; |
963b5f2d |
402 | } |
403 | closedir(dir); |
2a74fbf4 |
404 | return 0; |
6cd62ccf |
405 | } |
406 | |
2a74fbf4 |
407 | gint getCpuFileInfo(LttTrace *t, char* cpu) |
6cd62ccf |
408 | { |
963b5f2d |
409 | DIR * dir; |
410 | struct dirent *entry; |
e8bb1a73 |
411 | char name[DIR_NAME_SIZE]; |
963b5f2d |
412 | |
413 | dir = opendir(cpu); |
2a74fbf4 |
414 | if(!dir) { |
415 | g_warning("Can not open directory: %s\n", cpu); |
416 | return -1; |
417 | } |
963b5f2d |
418 | |
419 | while((entry = readdir(dir)) != NULL){ |
8710c6c7 |
420 | if(strcmp(entry->d_name,".") != 0 && |
a614481a |
421 | strcmp(entry->d_name,"..") != 0 && |
422 | strcmp(entry->d_name,".svn") != 0){ |
e8bb1a73 |
423 | strcpy(name,cpu); |
424 | strcat(name,entry->d_name); |
425 | ltt_tracefile_open_cpu(t,name); |
963b5f2d |
426 | }else continue; |
427 | } |
428 | closedir(dir); |
2a74fbf4 |
429 | return 0; |
6cd62ccf |
430 | } |
431 | |
963b5f2d |
432 | /***************************************************************************** |
433 | *A trace is specified as a pathname to the directory containing all the |
434 | *associated data (control tracefiles, per cpu tracefiles, event |
435 | *descriptions...). |
436 | * |
437 | *When a trace is closed, all the associated facilities, types and fields |
438 | *are released as well. |
8d1e6362 |
439 | */ |
440 | |
441 | |
442 | /**************************************************************************** |
443 | * get_absolute_pathname |
803229fa |
444 | * |
8d1e6362 |
445 | * return the unique pathname in the system |
446 | * |
ef35d837 |
447 | * MD : Fixed this function so it uses realpath, dealing well with |
448 | * forgotten cases (.. were not used correctly before). |
803229fa |
449 | * |
963b5f2d |
450 | ****************************************************************************/ |
9f797243 |
451 | void get_absolute_pathname(const char *pathname, char * abs_pathname) |
452 | { |
9f797243 |
453 | abs_pathname[0] = '\0'; |
803229fa |
454 | |
ef35d837 |
455 | if ( realpath (pathname, abs_pathname) != NULL) |
456 | return; |
457 | else |
458 | { |
8d1e6362 |
459 | /* error, return the original path unmodified */ |
ef35d837 |
460 | strcpy(abs_pathname, pathname); |
9f797243 |
461 | return; |
462 | } |
ef35d837 |
463 | return; |
9f797243 |
464 | } |
465 | |
f7afe191 |
466 | LttTrace *ltt_trace_open(const char *pathname) |
6cd62ccf |
467 | { |
963b5f2d |
468 | LttTrace * t; |
469 | LttSystemDescription * sys_description; |
470 | char eventdefs[DIR_NAME_SIZE]; |
471 | char info[DIR_NAME_SIZE]; |
472 | char control[DIR_NAME_SIZE]; |
473 | char cpu[DIR_NAME_SIZE]; |
474 | char tmp[DIR_NAME_SIZE]; |
9f797243 |
475 | char abs_path[DIR_NAME_SIZE]; |
963b5f2d |
476 | gboolean has_slash = FALSE; |
477 | |
9f797243 |
478 | get_absolute_pathname(pathname, abs_path); |
963b5f2d |
479 | //establish the pathname to different directories |
9f797243 |
480 | if(abs_path[strlen(abs_path)-1] == '/')has_slash = TRUE; |
481 | strcpy(eventdefs,abs_path); |
963b5f2d |
482 | if(!has_slash)strcat(eventdefs,"/"); |
483 | strcat(eventdefs,"eventdefs/"); |
484 | |
9f797243 |
485 | strcpy(info,abs_path); |
963b5f2d |
486 | if(!has_slash)strcat(info,"/"); |
487 | strcat(info,"info/"); |
488 | |
9f797243 |
489 | strcpy(control,abs_path); |
963b5f2d |
490 | if(!has_slash)strcat(control,"/"); |
491 | strcat(control,"control/"); |
492 | |
9f797243 |
493 | strcpy(cpu,abs_path); |
963b5f2d |
494 | if(!has_slash)strcat(cpu,"/"); |
495 | strcat(cpu,"cpu/"); |
496 | |
497 | //new trace |
963b5f2d |
498 | sys_description = g_new(LttSystemDescription, 1); |
2a74fbf4 |
499 | t = g_new(LttTrace, 1); |
9f797243 |
500 | t->pathname = g_strdup(abs_path); |
963b5f2d |
501 | t->facility_number = 0; |
502 | t->control_tracefile_number = 0; |
503 | t->per_cpu_tracefile_number = 0; |
504 | t->system_description = sys_description; |
505 | t->control_tracefiles = g_ptr_array_new(); |
506 | t->per_cpu_tracefiles = g_ptr_array_new(); |
507 | t->facilities = g_ptr_array_new(); |
1a2ceb63 |
508 | //getDataEndianType(&(t->my_arch_size), &(t->my_arch_endian)); |
509 | |
963b5f2d |
510 | //get system description |
511 | strcpy(tmp,info); |
512 | strcat(tmp,"system.xml"); |
2a74fbf4 |
513 | if(getSystemInfo(sys_description, tmp)) { |
514 | g_ptr_array_free(t->facilities, TRUE); |
515 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
516 | g_ptr_array_free(t->control_tracefiles, TRUE); |
517 | g_free(sys_description); |
518 | g_free(t->pathname); |
519 | g_free(t); |
520 | return NULL; |
521 | } |
1a2ceb63 |
522 | |
523 | /* Set the reverse byte order between trace and reader */ |
524 | if(sys_description->endian == LTT_LITTLE_ENDIAN |
525 | && G_BYTE_ORDER != G_LITTLE_ENDIAN) { |
0f7f40c1 |
526 | t->reverse_byte_order = 1; |
1a2ceb63 |
527 | } else if(sys_description->endian == LTT_BIG_ENDIAN |
528 | && G_BYTE_ORDER != G_BIG_ENDIAN) { |
0f7f40c1 |
529 | t->reverse_byte_order = 1; |
530 | } else t->reverse_byte_order = 0; |
963b5f2d |
531 | |
b333a76b |
532 | //get facilities info |
2a74fbf4 |
533 | if(getFacilityInfo(t,eventdefs)) { |
534 | g_ptr_array_free(t->facilities, TRUE); |
535 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
536 | g_ptr_array_free(t->control_tracefiles, TRUE); |
537 | g_free(sys_description); |
538 | g_free(t->pathname); |
539 | g_free(t); |
540 | return NULL; |
541 | } |
b333a76b |
542 | |
963b5f2d |
543 | //get control tracefile info |
a00149f6 |
544 | getControlFileInfo(t,control); |
545 | /* |
2a74fbf4 |
546 | if(getControlFileInfo(t,control)) { |
547 | g_ptr_array_free(t->facilities, TRUE); |
548 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
549 | g_ptr_array_free(t->control_tracefiles, TRUE); |
550 | g_free(sys_description); |
551 | g_free(t->pathname); |
552 | g_free(t); |
553 | return NULL; |
a00149f6 |
554 | }*/ // With fatal error |
963b5f2d |
555 | |
556 | //get cpu tracefile info |
2a74fbf4 |
557 | if(getCpuFileInfo(t,cpu)) { |
558 | g_ptr_array_free(t->facilities, TRUE); |
559 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
560 | g_ptr_array_free(t->control_tracefiles, TRUE); |
561 | g_free(sys_description); |
562 | g_free(t->pathname); |
563 | g_free(t); |
564 | return NULL; |
565 | } |
963b5f2d |
566 | |
963b5f2d |
567 | return t; |
6cd62ccf |
568 | } |
569 | |
49bf71b5 |
570 | char * ltt_trace_name(LttTrace *t) |
571 | { |
572 | return t->pathname; |
573 | } |
574 | |
575 | |
f7afe191 |
576 | /****************************************************************************** |
577 | * When we copy a trace, we want all the opening actions to happen again : |
578 | * the trace will be reopened and totally independant from the original. |
579 | * That's why we call ltt_trace_open. |
580 | *****************************************************************************/ |
581 | LttTrace *ltt_trace_copy(LttTrace *self) |
582 | { |
583 | return ltt_trace_open(self->pathname); |
584 | } |
585 | |
963b5f2d |
586 | void ltt_trace_close(LttTrace *t) |
6cd62ccf |
587 | { |
8d1e6362 |
588 | unsigned int i; |
963b5f2d |
589 | LttTracefile * tf; |
590 | LttFacility * f; |
591 | |
592 | g_free(t->pathname); |
593 | |
594 | //free system_description |
595 | g_free(t->system_description->description); |
596 | g_free(t->system_description->node_name); |
597 | g_free(t->system_description->domain_name); |
598 | g_free(t->system_description->kernel_name); |
599 | g_free(t->system_description->kernel_release); |
600 | g_free(t->system_description->kernel_version); |
601 | g_free(t->system_description->machine); |
602 | g_free(t->system_description->processor); |
603 | g_free(t->system_description->hardware_platform); |
604 | g_free(t->system_description->operating_system); |
605 | g_free(t->system_description); |
606 | |
607 | //free control_tracefiles |
608 | for(i=0;i<t->control_tracefile_number;i++){ |
609 | tf = (LttTracefile*)g_ptr_array_index(t->control_tracefiles,i); |
610 | ltt_tracefile_close(tf); |
611 | } |
09ad4797 |
612 | g_ptr_array_free(t->control_tracefiles, TRUE); |
963b5f2d |
613 | |
614 | //free per_cpu_tracefiles |
615 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
616 | tf = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,i); |
617 | ltt_tracefile_close(tf); |
618 | } |
09ad4797 |
619 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
963b5f2d |
620 | |
621 | //free facilities |
622 | for(i=0;i<t->facility_number;i++){ |
623 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
624 | ltt_facility_close(f); |
625 | } |
09ad4797 |
626 | g_ptr_array_free(t->facilities, TRUE); |
963b5f2d |
627 | |
628 | g_free(t); |
09ad4797 |
629 | |
630 | g_blow_chunks(); |
6cd62ccf |
631 | } |
632 | |
963b5f2d |
633 | |
6cd62ccf |
634 | /***************************************************************************** |
963b5f2d |
635 | *Get the system description of the trace |
6cd62ccf |
636 | ****************************************************************************/ |
637 | |
963b5f2d |
638 | LttSystemDescription *ltt_trace_system_description(LttTrace *t) |
6cd62ccf |
639 | { |
963b5f2d |
640 | return t->system_description; |
6cd62ccf |
641 | } |
642 | |
643 | /***************************************************************************** |
963b5f2d |
644 | * The following functions discover the facilities of the trace |
6cd62ccf |
645 | ****************************************************************************/ |
646 | |
963b5f2d |
647 | unsigned ltt_trace_facility_number(LttTrace *t) |
648 | { |
649 | return (unsigned)(t->facility_number); |
650 | } |
651 | |
652 | LttFacility *ltt_trace_facility_get(LttTrace *t, unsigned i) |
6cd62ccf |
653 | { |
963b5f2d |
654 | return (LttFacility*)g_ptr_array_index(t->facilities, i); |
6cd62ccf |
655 | } |
656 | |
657 | /***************************************************************************** |
658 | *Function name |
963b5f2d |
659 | * ltt_trace_facility_find : find facilities in the trace |
6cd62ccf |
660 | *Input params |
963b5f2d |
661 | * t : the trace |
662 | * name : facility name |
663 | *Output params |
664 | * position : position of the facility in the trace |
6cd62ccf |
665 | *Return value |
963b5f2d |
666 | * : the number of facilities |
6cd62ccf |
667 | ****************************************************************************/ |
668 | |
963b5f2d |
669 | unsigned ltt_trace_facility_find(LttTrace *t, char *name, unsigned *position) |
6cd62ccf |
670 | { |
8d1e6362 |
671 | unsigned int i, count=0; |
963b5f2d |
672 | LttFacility * f; |
8a3005f3 |
673 | for(i=0;i<t->facility_number;i++){ |
963b5f2d |
674 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
675 | if(strcmp(f->name,name)==0){ |
676 | count++; |
677 | if(count==1) *position = i; |
678 | }else{ |
679 | if(count) break; |
680 | } |
681 | } |
682 | return count; |
6cd62ccf |
683 | } |
684 | |
685 | /***************************************************************************** |
963b5f2d |
686 | * Functions to discover all the event types in the trace |
6cd62ccf |
687 | ****************************************************************************/ |
688 | |
963b5f2d |
689 | unsigned ltt_trace_eventtype_number(LttTrace *t) |
6cd62ccf |
690 | { |
8d1e6362 |
691 | unsigned int i; |
963b5f2d |
692 | unsigned count = 0; |
dc1cad90 |
693 | unsigned int num = t->facility_number; |
963b5f2d |
694 | LttFacility * f; |
dc1cad90 |
695 | |
696 | for(i=0;i<num;i++){ |
963b5f2d |
697 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
698 | count += f->event_number; |
699 | } |
700 | return count; |
6cd62ccf |
701 | } |
702 | |
155a7b0a |
703 | /* FIXME : performances could be improved with a better design for this |
6e8c19d4 |
704 | * function : sequential search through a container has never been the |
705 | * best on the critical path. */ |
963b5f2d |
706 | LttFacility * ltt_trace_facility_by_id(LttTrace * trace, unsigned id) |
6cd62ccf |
707 | { |
cf74a6f1 |
708 | LttFacility * facility = NULL; |
8d1e6362 |
709 | unsigned int i; |
dc1cad90 |
710 | unsigned int num = trace->facility_number; |
711 | GPtrArray *facilities = trace->facilities; |
cf74a6f1 |
712 | |
dc1cad90 |
713 | for(i=0;unlikely(i<num);){ |
cf74a6f1 |
714 | LttFacility *iter_facility = |
dc1cad90 |
715 | (LttFacility*) g_ptr_array_index(facilities,i); |
716 | unsigned base_id = iter_facility->base_id; |
717 | |
718 | if(likely(id >= base_id && |
719 | id < base_id + iter_facility->event_number)) { |
cf74a6f1 |
720 | facility = iter_facility; |
963b5f2d |
721 | break; |
dc1cad90 |
722 | } else { |
723 | i++; |
cf74a6f1 |
724 | } |
963b5f2d |
725 | } |
dc1cad90 |
726 | |
cf74a6f1 |
727 | return facility; |
6cd62ccf |
728 | } |
729 | |
963b5f2d |
730 | LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId) |
6cd62ccf |
731 | { |
6e8c19d4 |
732 | LttEventType *event_type; |
733 | |
963b5f2d |
734 | LttFacility * f; |
735 | f = ltt_trace_facility_by_id(t,evId); |
6e8c19d4 |
736 | |
737 | if(unlikely(!f)) event_type = NULL; |
738 | else event_type = f->events[evId - f->base_id]; |
739 | |
740 | return event_type; |
6cd62ccf |
741 | } |
742 | |
743 | /***************************************************************************** |
963b5f2d |
744 | *There is one "per cpu" tracefile for each CPU, numbered from 0 to |
745 | *the maximum number of CPU in the system. When the number of CPU installed |
746 | *is less than the maximum, some positions are unused. There are also a |
747 | *number of "control" tracefiles (facilities, interrupts...). |
6cd62ccf |
748 | ****************************************************************************/ |
963b5f2d |
749 | unsigned ltt_trace_control_tracefile_number(LttTrace *t) |
6cd62ccf |
750 | { |
963b5f2d |
751 | return t->control_tracefile_number; |
6cd62ccf |
752 | } |
753 | |
963b5f2d |
754 | unsigned ltt_trace_per_cpu_tracefile_number(LttTrace *t) |
6cd62ccf |
755 | { |
963b5f2d |
756 | return t->per_cpu_tracefile_number; |
6cd62ccf |
757 | } |
758 | |
759 | /***************************************************************************** |
963b5f2d |
760 | *It is possible to search for the tracefiles by name or by CPU position. |
761 | *The index within the tracefiles of the same type is returned if found |
762 | *and a negative value otherwise. |
6cd62ccf |
763 | ****************************************************************************/ |
764 | |
8d1e6362 |
765 | int ltt_trace_control_tracefile_find(LttTrace *t, const gchar *name) |
6cd62ccf |
766 | { |
963b5f2d |
767 | LttTracefile * tracefile; |
8d1e6362 |
768 | unsigned int i; |
963b5f2d |
769 | for(i=0;i<t->control_tracefile_number;i++){ |
770 | tracefile = (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i); |
771 | if(strcmp(tracefile->name, name)==0)break; |
772 | } |
773 | if(i == t->control_tracefile_number) return -1; |
774 | return i; |
6cd62ccf |
775 | } |
776 | |
8d1e6362 |
777 | /* not really useful. We just have to know that cpu tracefiles |
778 | * comes before control tracefiles. |
779 | */ |
780 | int ltt_trace_per_cpu_tracefile_find(LttTrace *t, const gchar *name) |
6cd62ccf |
781 | { |
963b5f2d |
782 | LttTracefile * tracefile; |
8d1e6362 |
783 | unsigned int i; |
784 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
785 | tracefile = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
786 | if(strcmp(tracefile->name, name)==0)break; |
963b5f2d |
787 | } |
8d1e6362 |
788 | if(i == t->per_cpu_tracefile_number) return -1; |
789 | return i; |
6cd62ccf |
790 | } |
791 | |
792 | /***************************************************************************** |
963b5f2d |
793 | *Get a specific tracefile |
6cd62ccf |
794 | ****************************************************************************/ |
795 | |
963b5f2d |
796 | LttTracefile *ltt_trace_control_tracefile_get(LttTrace *t, unsigned i) |
6cd62ccf |
797 | { |
5598cfe3 |
798 | return (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i); |
963b5f2d |
799 | } |
800 | |
801 | LttTracefile *ltt_trace_per_cpu_tracefile_get(LttTrace *t, unsigned i) |
802 | { |
803 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
6cd62ccf |
804 | } |
805 | |
487ad181 |
806 | /***************************************************************************** |
807 | * Get the start time and end time of the trace |
808 | ****************************************************************************/ |
809 | |
810 | void ltt_trace_time_span_get(LttTrace *t, LttTime *start, LttTime *end) |
811 | { |
812 | LttTime startSmall, startTmp, endBig, endTmp; |
8d1e6362 |
813 | unsigned int i, j=0; |
487ad181 |
814 | LttTracefile * tf; |
815 | |
816 | for(i=0;i<t->control_tracefile_number;i++){ |
817 | tf = g_ptr_array_index(t->control_tracefiles, i); |
818 | readBlock(tf,1); |
819 | startTmp = tf->a_block_start->time; |
820 | readBlock(tf,tf->block_number); |
821 | endTmp = tf->a_block_end->time; |
822 | if(i==0){ |
823 | startSmall = startTmp; |
824 | endBig = endTmp; |
825 | j = 1; |
826 | continue; |
827 | } |
308711e5 |
828 | if(ltt_time_compare(startSmall,startTmp) > 0) startSmall = startTmp; |
829 | if(ltt_time_compare(endBig,endTmp) < 0) endBig = endTmp; |
487ad181 |
830 | } |
831 | |
832 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
833 | tf = g_ptr_array_index(t->per_cpu_tracefiles, i); |
834 | readBlock(tf,1); |
835 | startTmp = tf->a_block_start->time; |
836 | readBlock(tf,tf->block_number); |
837 | endTmp = tf->a_block_end->time; |
838 | if(j == 0 && i==0){ |
839 | startSmall = startTmp; |
840 | endBig = endTmp; |
841 | continue; |
842 | } |
308711e5 |
843 | if(ltt_time_compare(startSmall,startTmp) > 0) startSmall = startTmp; |
844 | if(ltt_time_compare(endBig,endTmp) < 0) endBig = endTmp; |
487ad181 |
845 | } |
846 | |
c02ea99f |
847 | if(start != NULL) *start = startSmall; |
848 | if(end != NULL) *end = endBig; |
487ad181 |
849 | } |
850 | |
851 | |
6cd62ccf |
852 | /***************************************************************************** |
963b5f2d |
853 | *Get the name of a tracefile |
6cd62ccf |
854 | ****************************************************************************/ |
855 | |
963b5f2d |
856 | char *ltt_tracefile_name(LttTracefile *tf) |
6cd62ccf |
857 | { |
963b5f2d |
858 | return tf->name; |
6cd62ccf |
859 | } |
860 | |
80da81ad |
861 | /***************************************************************************** |
862 | * Get the number of blocks in the tracefile |
863 | ****************************************************************************/ |
864 | |
865 | unsigned ltt_tracefile_block_number(LttTracefile *tf) |
866 | { |
867 | return tf->block_number; |
868 | } |
869 | |
6cd62ccf |
870 | /***************************************************************************** |
871 | *Function name |
872 | * ltt_tracefile_seek_time: seek to the first event of the trace with time |
873 | * larger or equal to time |
874 | *Input params |
875 | * t : tracefile |
876 | * time : criteria of the time |
6cd62ccf |
877 | ****************************************************************************/ |
caf7a67a |
878 | void ltt_tracefile_find_time_block(LttTracefile *t, LttTime time, |
879 | int start_block, int end_block) |
880 | { |
881 | int err, tmp_block, s, e; |
882 | int headTime; |
883 | int tailTime; |
884 | |
885 | err=readBlock(t,start_block); |
886 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
887 | if(start_block == end_block)return; |
888 | |
889 | tailTime = ltt_time_compare(t->a_block_end->time, time); |
890 | if(tailTime >= 0) return; |
891 | |
892 | err=readBlock(t,end_block); |
893 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
894 | if(start_block+1 == end_block)return; |
895 | |
896 | headTime = ltt_time_compare(t->a_block_start->time, time); |
897 | if(headTime <= 0 ) return; |
898 | |
899 | tmp_block = (end_block + start_block)/2; |
900 | err=readBlock(t,tmp_block); |
901 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
902 | |
903 | headTime = ltt_time_compare(t->a_block_start->time, time); |
904 | tailTime = ltt_time_compare(t->a_block_end->time, time); |
905 | if(headTime <= 0 && tailTime >= 0) return; |
906 | |
907 | if(headTime > 0){ |
908 | s = start_block + 1; |
909 | e = tmp_block - 1; |
910 | if(s <= e) |
911 | ltt_tracefile_find_time_block(t, time, s, e); |
912 | else return; |
913 | } |
914 | |
915 | if(tailTime < 0){ |
916 | s = tmp_block + 1; |
917 | e = end_block - 1; |
918 | if(s <= e) |
919 | ltt_tracefile_find_time_block(t, time, s, e); |
920 | else return; |
921 | } |
922 | } |
923 | |
924 | void ltt_tracefile_backward_find_time_block(LttTracefile *t, LttTime time) |
925 | { |
926 | int t_time, h_time, err; |
927 | err=readBlock(t,t->which_block-1); |
928 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
929 | h_time = ltt_time_compare(t->a_block_start->time, time); |
930 | t_time = ltt_time_compare(t->a_block_end->time, time); |
931 | if(h_time == 0){ |
932 | int tmp; |
933 | if(t->which_block == 1) return; |
934 | err=readBlock(t,t->which_block-1); |
935 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
936 | tmp = ltt_time_compare(t->a_block_end->time, time); |
937 | if(tmp == 0) return ltt_tracefile_seek_time(t, time); |
938 | err=readBlock(t,t->which_block+1); |
939 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
940 | }else if(h_time > 0){ |
941 | ltt_tracefile_find_time_block(t, time, 1, t->which_block); |
942 | return ltt_tracefile_seek_time(t, time) ; |
943 | }else{ |
944 | if(t_time >= 0) return ltt_tracefile_seek_time(t, time); |
945 | err=readBlock(t,t->which_block+1); |
946 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
947 | } |
948 | } |
6cd62ccf |
949 | |
963b5f2d |
950 | void ltt_tracefile_seek_time(LttTracefile *t, LttTime time) |
6cd62ccf |
951 | { |
952 | int err; |
963b5f2d |
953 | LttTime lttTime; |
308711e5 |
954 | int headTime = ltt_time_compare(t->a_block_start->time, time); |
955 | int tailTime = ltt_time_compare(t->a_block_end->time, time); |
c02ea99f |
956 | LttEvent ev; |
62e55dd6 |
957 | |
6cd62ccf |
958 | if(headTime < 0 && tailTime > 0){ |
308711e5 |
959 | if(ltt_time_compare(t->a_block_end->time, t->current_event_time) !=0) { |
db55eaae |
960 | lttTime = getEventTime(t); |
308711e5 |
961 | err = ltt_time_compare(lttTime, time); |
db55eaae |
962 | if(err > 0){ |
8d1e6362 |
963 | if(t->which_event==2 || ltt_time_compare(t->prev_event_time,time)<0){ |
1a3b8cbd |
964 | return; |
db55eaae |
965 | }else{ |
966 | updateTracefile(t); |
967 | return ltt_tracefile_seek_time(t, time); |
1a3b8cbd |
968 | } |
db55eaae |
969 | }else if(err < 0){ |
970 | while(1){ |
c02ea99f |
971 | if(ltt_tracefile_read(t,&ev) == NULL) { |
db55eaae |
972 | g_print("End of file\n"); |
973 | return; |
974 | } |
975 | lttTime = getEventTime(t); |
308711e5 |
976 | err = ltt_time_compare(lttTime, time); |
db55eaae |
977 | if(err >= 0)return; |
978 | } |
979 | }else return; |
980 | }else{//we are at the end of the block |
981 | updateTracefile(t); |
982 | return ltt_tracefile_seek_time(t, time); |
983 | } |
e37c1372 |
984 | }else if(headTime >= 0){ |
6cd62ccf |
985 | if(t->which_block == 1){ |
986 | updateTracefile(t); |
987 | }else{ |
1ee6a9af |
988 | if(ltt_time_compare(t->prev_block_end_time, time) >= 0 || |
989 | (t->prev_block_end_time.tv_sec == 0 && |
990 | t->prev_block_end_time.tv_nsec == 0 )){ |
caf7a67a |
991 | ltt_tracefile_backward_find_time_block(t, time); |
6cd62ccf |
992 | }else{ |
993 | updateTracefile(t); |
994 | } |
995 | } |
40331ba8 |
996 | }else if(tailTime < 0){ |
6cd62ccf |
997 | if(t->which_block != t->block_number){ |
caf7a67a |
998 | ltt_tracefile_find_time_block(t, time, t->which_block+1, t->block_number); |
999 | return ltt_tracefile_seek_time(t, time); |
963b5f2d |
1000 | }else { |
a8c0f09d |
1001 | t->cur_event_pos = t->buffer + t->block_size; |
1002 | g_print("End of file\n"); |
963b5f2d |
1003 | return; |
1004 | } |
40331ba8 |
1005 | }else if(tailTime == 0){ |
e37c1372 |
1006 | t->cur_event_pos = t->last_event_pos; |
62e55dd6 |
1007 | t->current_event_time = time; |
1008 | t->cur_heart_beat_number = 0; |
1009 | t->prev_event_time.tv_sec = 0; |
1010 | t->prev_event_time.tv_nsec = 0; |
40331ba8 |
1011 | return; |
6cd62ccf |
1012 | } |
6cd62ccf |
1013 | } |
1014 | |
80da81ad |
1015 | /***************************************************************************** |
1016 | * Seek to the first event with position equal or larger to ep |
18206708 |
1017 | * |
1018 | * Modified by Mathieu Desnoyers to used faster offset position instead of |
1019 | * re-reading the whole buffer. |
80da81ad |
1020 | ****************************************************************************/ |
1021 | |
04b44e05 |
1022 | void ltt_tracefile_seek_position(LttTracefile *t, const LttEventPosition *ep) |
80da81ad |
1023 | { |
1024 | //if we are at the right place, just return |
155a7b0a |
1025 | if(likely(t->which_block == ep->block_num && t->which_event == ep->event_num)) |
80da81ad |
1026 | return; |
1027 | |
155a7b0a |
1028 | if(likely(t->which_block == ep->block_num)) updateTracefile(t); |
80da81ad |
1029 | else readBlock(t,ep->block_num); |
18206708 |
1030 | //event offset is available |
155a7b0a |
1031 | if(likely(ep->old_position)){ |
18206708 |
1032 | int err; |
1033 | |
1034 | t->which_event = ep->event_num; |
80da81ad |
1035 | t->cur_event_pos = t->buffer + ep->event_offset; |
18206708 |
1036 | t->prev_event_time = ep->event_time; |
1037 | t->current_event_time = ep->event_time; |
1038 | t->cur_heart_beat_number = ep->heart_beat_number; |
1039 | t->cur_cycle_count = ep->event_cycle_count; |
1040 | |
1041 | /* This is a workaround for fast position seek */ |
1042 | t->last_event_pos = ep->last_event_pos; |
1043 | t->prev_block_end_time = ep->prev_block_end_time; |
1044 | t->prev_event_time = ep->prev_event_time; |
1045 | t->pre_cycle_count = ep->pre_cycle_count; |
1046 | t->count = ep->count; |
2dee981d |
1047 | t->overflow_nsec = ep->overflow_nsec; |
dfb73233 |
1048 | t->last_heartbeat = ep->last_heartbeat; |
18206708 |
1049 | /* end of workaround */ |
1050 | |
1051 | //update the fields of the current event and go to the next event |
1052 | err = skipEvent(t); |
155a7b0a |
1053 | if(unlikely(err == ERANGE)) g_error("event id is out of range\n"); |
18206708 |
1054 | |
80da81ad |
1055 | return; |
1056 | } |
1057 | |
18206708 |
1058 | //only block number and event index are available |
1059 | //MD: warning : this is slow! |
1060 | g_warning("using slow O(n) tracefile seek position"); |
1061 | |
c02ea99f |
1062 | LttEvent event; |
155a7b0a |
1063 | while(likely(t->which_event < ep->event_num)) ltt_tracefile_read(t, &event); |
80da81ad |
1064 | |
1065 | return; |
1066 | } |
1067 | |
6cd62ccf |
1068 | /***************************************************************************** |
1069 | *Function name |
40331ba8 |
1070 | * ltt_tracefile_read : read the current event, set the pointer to the next |
6cd62ccf |
1071 | *Input params |
1072 | * t : tracefile |
1073 | *Return value |
963b5f2d |
1074 | * LttEvent * : an event to be processed |
6cd62ccf |
1075 | ****************************************************************************/ |
1076 | |
c02ea99f |
1077 | LttEvent *ltt_tracefile_read(LttTracefile *t, LttEvent *event) |
6cd62ccf |
1078 | { |
963b5f2d |
1079 | int err; |
6cd62ccf |
1080 | |
155a7b0a |
1081 | if(unlikely(t->cur_event_pos == t->buffer + t->block_size)){ |
1082 | if(unlikely(t->which_block == t->block_number)){ |
bdc36259 |
1083 | return NULL; |
1084 | } |
1085 | err = readBlock(t, t->which_block + 1); |
155a7b0a |
1086 | if(unlikely(err))g_error("Can not read tracefile"); |
bdc36259 |
1087 | } |
1088 | |
0f7f40c1 |
1089 | event->event_id = ltt_get_uint16(t->trace->reverse_byte_order, t->cur_event_pos); |
155a7b0a |
1090 | if(unlikely(event->event_id == TRACE_TIME_HEARTBEAT)) |
963b5f2d |
1091 | t->cur_heart_beat_number++; |
6cd62ccf |
1092 | |
40331ba8 |
1093 | t->prev_event_time = t->current_event_time; |
62e55dd6 |
1094 | // t->current_event_time = getEventTime(t); |
6cd62ccf |
1095 | |
0f7f40c1 |
1096 | event->time_delta = ltt_get_uint32(t->trace->reverse_byte_order, t->cur_event_pos + EVENT_ID_SIZE); |
c02ea99f |
1097 | event->event_time = t->current_event_time; |
1098 | event->event_cycle_count = t->cur_cycle_count; |
963b5f2d |
1099 | |
c02ea99f |
1100 | event->tracefile = t; |
1a2ceb63 |
1101 | event->data = t->cur_event_pos + EVENT_HEADER_SIZE; |
c02ea99f |
1102 | event->which_block = t->which_block; |
1103 | event->which_event = t->which_event; |
6cd62ccf |
1104 | |
18206708 |
1105 | /* This is a workaround for fast position seek */ |
c02ea99f |
1106 | event->last_event_pos = t->last_event_pos; |
1107 | event->prev_block_end_time = t->prev_block_end_time; |
1108 | event->prev_event_time = t->prev_event_time; |
1109 | event->pre_cycle_count = t->pre_cycle_count; |
1110 | event->count = t->count; |
2dee981d |
1111 | event->overflow_nsec = t->overflow_nsec; |
dfb73233 |
1112 | event->last_heartbeat = t->last_heartbeat; |
2dee981d |
1113 | |
18206708 |
1114 | /* end of workaround */ |
1115 | |
1116 | |
1117 | |
40331ba8 |
1118 | //update the fields of the current event and go to the next event |
1119 | err = skipEvent(t); |
155a7b0a |
1120 | if(unlikely(err == ERANGE)) g_error("event id is out of range\n"); |
40331ba8 |
1121 | |
c02ea99f |
1122 | return event; |
6cd62ccf |
1123 | } |
1124 | |
1125 | /**************************************************************************** |
1126 | *Function name |
1127 | * readFile : wrap function to read from a file |
1128 | *Input Params |
1129 | * fd : file descriptor |
1130 | * buf : buf to contain the content |
1131 | * size : number of bytes to be read |
1132 | * mesg : message to be printed if some thing goes wrong |
1133 | *return value |
1134 | * 0 : success |
1135 | * EIO : can not read from the file |
1136 | ****************************************************************************/ |
1137 | |
1138 | int readFile(int fd, void * buf, size_t size, char * mesg) |
1139 | { |
8d1e6362 |
1140 | ssize_t nbBytes = read(fd, buf, size); |
1141 | |
1142 | if((size_t)nbBytes != size) { |
1143 | if(nbBytes < 0) { |
1144 | perror("Error in readFile : "); |
1145 | } else { |
1146 | g_warning("%s",mesg); |
1147 | } |
6cd62ccf |
1148 | return EIO; |
1149 | } |
1150 | return 0; |
1151 | } |
1152 | |
507915ee |
1153 | |
6cd62ccf |
1154 | /**************************************************************************** |
1155 | *Function name |
1156 | * readBlock : read a block from the file |
1157 | *Input Params |
1158 | * lttdes : ltt trace file |
1159 | * whichBlock : the block which will be read |
1160 | *return value |
1161 | * 0 : success |
1162 | * EINVAL : lseek fail |
1163 | * EIO : can not read from the file |
1164 | ****************************************************************************/ |
1165 | |
963b5f2d |
1166 | int readBlock(LttTracefile * tf, int whichBlock) |
6cd62ccf |
1167 | { |
1168 | off_t nbBytes; |
cbd41522 |
1169 | guint32 lostSize; |
6cd62ccf |
1170 | |
ac849774 |
1171 | /* same block already opened requested */ |
1172 | if((guint)whichBlock == tf->which_block) return 0; |
1173 | |
155a7b0a |
1174 | if(likely(whichBlock - tf->which_block == 1 && tf->which_block != 0)){ |
963b5f2d |
1175 | tf->prev_block_end_time = tf->a_block_end->time; |
40331ba8 |
1176 | tf->prev_event_time = tf->a_block_end->time; |
6cd62ccf |
1177 | }else{ |
1178 | tf->prev_block_end_time.tv_sec = 0; |
1179 | tf->prev_block_end_time.tv_nsec = 0; |
40331ba8 |
1180 | tf->prev_event_time.tv_sec = 0; |
1181 | tf->prev_event_time.tv_nsec = 0; |
6cd62ccf |
1182 | } |
6cd62ccf |
1183 | |
963b5f2d |
1184 | nbBytes=lseek(tf->fd,(off_t)((whichBlock-1)*tf->block_size), SEEK_SET); |
155a7b0a |
1185 | if(unlikely(nbBytes == -1)) return EINVAL; |
6cd62ccf |
1186 | |
155a7b0a |
1187 | if(unlikely(readFile(tf->fd,tf->buffer,tf->block_size,"Unable to read a block"))) |
963b5f2d |
1188 | return EIO; |
6cd62ccf |
1189 | |
963b5f2d |
1190 | tf->a_block_start=(BlockStart *) (tf->buffer + EVENT_HEADER_SIZE); |
cbd41522 |
1191 | lostSize = *(guint32 *)(tf->buffer + tf->block_size - sizeof(guint32)); |
63c35f6c |
1192 | tf->a_block_end=(BlockEnd *)(tf->buffer + tf->block_size |
1193 | - sizeof(guint32) - lostSize - sizeof(BlockEnd)); |
1194 | tf->last_event_pos = tf->buffer + tf->block_size - |
1195 | sizeof(guint32) - lostSize |
1196 | - sizeof(BlockEnd) - EVENT_HEADER_SIZE; |
6cd62ccf |
1197 | |
6cd62ccf |
1198 | tf->which_block = whichBlock; |
963b5f2d |
1199 | tf->which_event = 1; |
40331ba8 |
1200 | tf->cur_event_pos = tf->buffer;//the beginning of the block, block start ev |
6cd62ccf |
1201 | tf->cur_heart_beat_number = 0; |
dfb73233 |
1202 | tf->last_heartbeat = NULL; |
507915ee |
1203 | |
1204 | /* read the whole block to precalculate total of cycles in it */ |
1205 | tf->count = 0; |
1206 | tf->pre_cycle_count = 0; |
0f7f40c1 |
1207 | tf->cur_cycle_count = ltt_get_uint32(tf->trace->reverse_byte_order, tf->cur_event_pos + EVENT_ID_SIZE); |
39ae3eed |
1208 | |
6cd62ccf |
1209 | getCyclePerNsec(tf); |
2dee981d |
1210 | |
21ff84a0 |
1211 | tf->overflow_nsec = |
1a2ceb63 |
1212 | (-((double) |
0f7f40c1 |
1213 | (ltt_get_uint32(tf->trace->reverse_byte_order, |
1214 | &tf->a_block_start->cycle_count)&0xFFFFFFFF)) |
21ff84a0 |
1215 | * tf->nsec_per_cycle); |
6cd62ccf |
1216 | |
62e55dd6 |
1217 | tf->current_event_time = getEventTime(tf); |
40331ba8 |
1218 | |
6cd62ccf |
1219 | return 0; |
1220 | } |
1221 | |
1222 | /***************************************************************************** |
1223 | *Function name |
1224 | * updateTracefile : reinitialize the info of the block which is already |
1225 | * in the buffer |
1226 | *Input params |
1227 | * tf : tracefile |
1228 | ****************************************************************************/ |
1229 | |
963b5f2d |
1230 | void updateTracefile(LttTracefile * tf) |
6cd62ccf |
1231 | { |
963b5f2d |
1232 | tf->which_event = 1; |
40331ba8 |
1233 | tf->cur_event_pos = tf->buffer; |
62e55dd6 |
1234 | tf->current_event_time = getEventTime(tf); |
6cd62ccf |
1235 | tf->cur_heart_beat_number = 0; |
1236 | |
1237 | tf->prev_event_time.tv_sec = 0; |
1238 | tf->prev_event_time.tv_nsec = 0; |
2dee981d |
1239 | tf->count = 0; |
1240 | |
1a2ceb63 |
1241 | tf->overflow_nsec = |
0f7f40c1 |
1242 | (-((double)ltt_get_uint32(tf->trace->reverse_byte_order, |
1243 | &tf->a_block_start->cycle_count)) |
21ff84a0 |
1244 | * tf->nsec_per_cycle); |
2dee981d |
1245 | |
6cd62ccf |
1246 | } |
1247 | |
1248 | /***************************************************************************** |
1249 | *Function name |
1250 | * skipEvent : go to the next event, update the fields of the current event |
1251 | *Input params |
1252 | * t : tracefile |
1253 | *return value |
1254 | * 0 : success |
6cd62ccf |
1255 | * ERANGE : event id is out of range |
1256 | ****************************************************************************/ |
1257 | |
963b5f2d |
1258 | int skipEvent(LttTracefile * t) |
6cd62ccf |
1259 | { |
8d1e6362 |
1260 | int evId; |
6cd62ccf |
1261 | void * evData; |
963b5f2d |
1262 | LttEventType * evT; |
1263 | LttField * rootFld; |
6cd62ccf |
1264 | |
0f7f40c1 |
1265 | evId = ltt_get_uint16(t->trace->reverse_byte_order, t->cur_event_pos); |
6cd62ccf |
1266 | evData = t->cur_event_pos + EVENT_HEADER_SIZE; |
6cd62ccf |
1267 | |
908f42fa |
1268 | evT = ltt_trace_eventtype_get(t->trace,(unsigned)evId); |
47a166fc |
1269 | |
1d1df11d |
1270 | if(likely(evT)) rootFld = evT->root_field; |
908f42fa |
1271 | else return ERANGE; |
6cd62ccf |
1272 | |
1d1df11d |
1273 | if(likely(rootFld)){ |
908f42fa |
1274 | //event has string/sequence or the last event is not the same event |
1d1df11d |
1275 | if(likely((evT->latest_block!=t->which_block || evT->latest_event!=t->which_event) |
1276 | && rootFld->field_fixed == 0)){ |
908f42fa |
1277 | setFieldsOffset(t, evT, evData, t->trace); |
47a166fc |
1278 | } |
908f42fa |
1279 | t->cur_event_pos += EVENT_HEADER_SIZE + rootFld->field_size; |
1280 | }else t->cur_event_pos += EVENT_HEADER_SIZE; |
1281 | |
1282 | evT->latest_block = t->which_block; |
1283 | evT->latest_event = t->which_event; |
1284 | |
6cd62ccf |
1285 | //the next event is in the next block |
1d1df11d |
1286 | if(unlikely(evId == TRACE_BLOCK_END)){ |
bdc36259 |
1287 | t->cur_event_pos = t->buffer + t->block_size; |
6cd62ccf |
1288 | }else{ |
0f7f40c1 |
1289 | t->cur_cycle_count = ltt_get_uint32(t->trace->reverse_byte_order, |
1290 | t->cur_event_pos + EVENT_ID_SIZE); |
6cd62ccf |
1291 | t->which_event++; |
62e55dd6 |
1292 | t->current_event_time = getEventTime(t); |
6cd62ccf |
1293 | } |
1294 | |
1295 | return 0; |
1296 | } |
1297 | |
18206708 |
1298 | |
6cd62ccf |
1299 | /***************************************************************************** |
1300 | *Function name |
1301 | * getCyclePerNsec : calculate cycles per nsec for current block |
507915ee |
1302 | * MD: should have tracefile_read the whole block, so we know the |
1303 | * total of cycles in it before being called. |
6cd62ccf |
1304 | *Input Params |
1305 | * t : tracefile |
1306 | ****************************************************************************/ |
1307 | |
963b5f2d |
1308 | void getCyclePerNsec(LttTracefile * t) |
6cd62ccf |
1309 | { |
963b5f2d |
1310 | LttTime lBufTotalTime; /* Total time for this buffer */ |
887208b7 |
1311 | double lBufTotalNSec; /* Total time for this buffer in nsecs */ |
8ee1c3d5 |
1312 | LttCycleCount lBufTotalCycle;/* Total cycles for this buffer */ |
6cd62ccf |
1313 | |
1314 | /* Calculate the total time for this buffer */ |
308711e5 |
1315 | lBufTotalTime = ltt_time_sub(t->a_block_end->time, t->a_block_start->time); |
6cd62ccf |
1316 | |
1317 | /* Calculate the total cycles for this bufffer */ |
0f7f40c1 |
1318 | lBufTotalCycle = ltt_get_uint32(t->trace->reverse_byte_order, |
1319 | &t->a_block_end->cycle_count); |
1320 | lBufTotalCycle -= ltt_get_uint32(t->trace->reverse_byte_order, |
1321 | &t->a_block_start->cycle_count); |
6cd62ccf |
1322 | |
8ee1c3d5 |
1323 | /* Convert the total time to double */ |
887208b7 |
1324 | lBufTotalNSec = ltt_time_to_double(lBufTotalTime); |
6cd62ccf |
1325 | |
887208b7 |
1326 | t->nsec_per_cycle = (double)lBufTotalNSec / (double)lBufTotalCycle; |
8ee1c3d5 |
1327 | |
2dee981d |
1328 | /* Pre-multiply one overflow (2^32 cycles) by nsec_per_cycle */ |
21ff84a0 |
1329 | t->one_overflow_nsec = t->nsec_per_cycle * (double)0x100000000ULL; |
2dee981d |
1330 | |
6cd62ccf |
1331 | } |
1332 | |
1333 | /**************************************************************************** |
1334 | *Function name |
1335 | * getEventTime : obtain the time of an event |
887208b7 |
1336 | * NOTE : this function _really_ is on critical path. |
6cd62ccf |
1337 | *Input params |
1338 | * tf : tracefile |
1339 | *Return value |
963b5f2d |
1340 | * LttTime : the time of the event |
6cd62ccf |
1341 | ****************************************************************************/ |
1342 | |
8959a0c8 |
1343 | static inline LttTime getEventTime(LttTracefile * tf) |
6cd62ccf |
1344 | { |
963b5f2d |
1345 | LttTime time; |
1346 | LttCycleCount cycle_count; // cycle count for the current event |
2dee981d |
1347 | //LttCycleCount lEventTotalCycle; // Total cycles from start for event |
1348 | gint64 lEventNSec; // Total nsecs from start for event |
963b5f2d |
1349 | LttTime lTimeOffset; // Time offset in struct LttTime |
cbd41522 |
1350 | guint16 evId; |
e4eced0f |
1351 | |
0f7f40c1 |
1352 | evId = ltt_get_uint16(tf->trace->reverse_byte_order, |
1353 | tf->cur_event_pos); |
ac849774 |
1354 | |
0f7f40c1 |
1355 | cycle_count = ltt_get_uint32(tf->trace->reverse_byte_order, |
1356 | tf->cur_event_pos + EVENT_ID_SIZE); |
e4eced0f |
1357 | |
dfb73233 |
1358 | gboolean comp_count = cycle_count < tf->pre_cycle_count; |
bbf28e50 |
1359 | |
dfb73233 |
1360 | tf->pre_cycle_count = cycle_count; |
1361 | |
1362 | if(unlikely(comp_count)) { |
bbf28e50 |
1363 | /* Overflow */ |
dfb73233 |
1364 | tf->overflow_nsec += tf->one_overflow_nsec; |
1365 | tf->count++; //increment overflow count |
1366 | } |
1367 | |
1368 | if(unlikely(evId == TRACE_BLOCK_START)) { |
1369 | lEventNSec = 0; |
1370 | } else if(unlikely(evId == TRACE_BLOCK_END)) { |
21ff84a0 |
1371 | lEventNSec = ((double) |
0f7f40c1 |
1372 | (ltt_get_uint32(tf->trace->reverse_byte_order, |
1373 | &tf->a_block_end->cycle_count) |
1374 | - ltt_get_uint32(tf->trace->reverse_byte_order, |
1375 | &tf->a_block_start->cycle_count)) |
21ff84a0 |
1376 | * tf->nsec_per_cycle); |
dfb73233 |
1377 | } |
dfb73233 |
1378 | #if 0 |
bbf28e50 |
1379 | /* If you want to make heart beat a special case and use their own 64 bits |
1380 | * TSC, activate this. |
1381 | */ |
dfb73233 |
1382 | else if(unlikely(evId == TRACE_TIME_HEARTBEAT)) { |
1383 | |
1384 | tf->last_heartbeat = (TimeHeartbeat*)(tf->cur_event_pos+EVENT_HEADER_SIZE); |
1385 | lEventNSec = ((double)(tf->last_heartbeat->cycle_count |
1386 | - tf->a_block_start->cycle_count) |
1387 | * tf->nsec_per_cycle); |
1388 | } |
1389 | #endif //0 |
1390 | else { |
21ff84a0 |
1391 | lEventNSec = (gint64)((double)cycle_count * tf->nsec_per_cycle) |
dfb73233 |
1392 | +tf->overflow_nsec; |
1393 | } |
1394 | |
2dee981d |
1395 | lTimeOffset = ltt_time_from_uint64(lEventNSec); |
1396 | |
308711e5 |
1397 | time = ltt_time_add(tf->a_block_start->time, lTimeOffset); |
e4eced0f |
1398 | |
6cd62ccf |
1399 | return time; |
1400 | } |
1401 | |
1402 | /***************************************************************************** |
1403 | *Function name |
1404 | * setFieldsOffset : set offset of the fields |
1405 | *Input params |
1406 | * tracefile : opened trace file |
1407 | * evT : the event type |
1408 | * evD : event data, it may be NULL |
1409 | ****************************************************************************/ |
1410 | |
40331ba8 |
1411 | void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace* t) |
6cd62ccf |
1412 | { |
963b5f2d |
1413 | LttField * rootFld = evT->root_field; |
6cd62ccf |
1414 | // rootFld->base_address = evD; |
1415 | |
1d1df11d |
1416 | if(likely(rootFld)) |
8710c6c7 |
1417 | rootFld->field_size = getFieldtypeSize(tf, evT, 0,0,rootFld, evD,t); |
6cd62ccf |
1418 | } |
1419 | |
1420 | /***************************************************************************** |
1421 | *Function name |
1422 | * getFieldtypeSize: get the size of the field type (primitive type) |
1423 | *Input params |
1424 | * tracefile : opened trace file |
1425 | * evT : event type |
1426 | * offsetRoot : offset from the root |
1427 | * offsetParent : offset from the parrent |
1428 | * fld : field |
1429 | * evD : event data, it may be NULL |
1430 | *Return value |
1431 | * int : size of the field |
1432 | ****************************************************************************/ |
1433 | |
21182d4a |
1434 | static inline gint getFieldtypeSize(LttTracefile * t, |
1435 | LttEventType * evT, gint offsetRoot, |
1436 | gint offsetParent, LttField * fld, void *evD, LttTrace *trace) |
6cd62ccf |
1437 | { |
21182d4a |
1438 | gint size, size1, element_number, i, offset1, offset2; |
963b5f2d |
1439 | LttType * type = fld->field_type; |
6cd62ccf |
1440 | |
21182d4a |
1441 | if(unlikely(t && evT->latest_block==t->which_block && |
1442 | evT->latest_event==t->which_event)){ |
1443 | size = fld->field_size; |
1444 | goto end_getFieldtypeSize; |
a0d63196 |
1445 | } else { |
1446 | /* This likely has been tested with gcov : half of them.. */ |
1447 | if(unlikely(fld->field_fixed == 1)){ |
1448 | /* tested : none */ |
1449 | if(unlikely(fld == evT->root_field)) { |
1450 | size = fld->field_size; |
1451 | goto end_getFieldtypeSize; |
1452 | } |
21182d4a |
1453 | } |
6cd62ccf |
1454 | |
a0d63196 |
1455 | /* From gcov profiling : half string, half struct, can we gain something |
1456 | * from that ? (Mathieu) */ |
1457 | switch(type->type_class) { |
1458 | case LTT_ARRAY: |
1459 | element_number = (int) type->element_number; |
1460 | if(fld->field_fixed == -1){ |
1461 | size = getFieldtypeSize(t, evT, offsetRoot, |
1462 | 0,fld->child[0], NULL, trace); |
1463 | if(size == 0){ //has string or sequence |
1464 | fld->field_fixed = 0; |
1465 | }else{ |
1466 | fld->field_fixed = 1; |
1467 | size *= element_number; |
1468 | } |
1469 | }else if(fld->field_fixed == 0){// has string or sequence |
1470 | size = 0; |
1471 | for(i=0;i<element_number;i++){ |
1472 | size += getFieldtypeSize(t, evT, offsetRoot+size,size, |
1473 | fld->child[0], evD+size, trace); |
1474 | } |
1475 | }else size = fld->field_size; |
1476 | if(unlikely(!evD)){ |
1477 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1478 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
1479 | } |
1480 | |
1481 | break; |
1482 | |
1483 | case LTT_SEQUENCE: |
1484 | size1 = (int) ltt_type_size(trace, type); |
1485 | if(fld->field_fixed == -1){ |
1486 | fld->sequ_number_size = size1; |
cf74a6f1 |
1487 | fld->field_fixed = 0; |
a0d63196 |
1488 | size = getFieldtypeSize(t, evT, offsetRoot, |
1489 | 0,fld->child[0], NULL, trace); |
1490 | fld->element_size = size; |
1491 | }else{//0: sequence |
0f7f40c1 |
1492 | element_number = getIntNumber(t->trace->reverse_byte_order,size1,evD); |
a0d63196 |
1493 | type->element_number = element_number; |
1494 | if(fld->element_size > 0){ |
1495 | size = element_number * fld->element_size; |
1496 | }else{//sequence has string or sequence |
1497 | size = 0; |
1498 | for(i=0;i<element_number;i++){ |
1499 | size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1, |
1500 | fld->child[0], evD+size+size1, trace); |
1501 | } |
1502 | } |
1503 | size += size1; |
cf74a6f1 |
1504 | } |
a0d63196 |
1505 | if(unlikely(!evD)){ |
1506 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1507 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
1508 | } |
1509 | |
1510 | break; |
1511 | |
1512 | case LTT_STRING: |
cf74a6f1 |
1513 | size = 0; |
a0d63196 |
1514 | if(fld->field_fixed == -1){ |
1515 | fld->field_fixed = 0; |
1516 | }else{//0: string |
1517 | /* Hope my implementation is faster than strlen (Mathieu) */ |
1518 | char *ptr=(char*)evD; |
1519 | size = 1; |
1520 | /* from gcov : many many strings are empty, make it the common case.*/ |
1521 | while(unlikely(*ptr != '\0')) { size++; ptr++; } |
1522 | //size = ptr - (char*)evD + 1; //include end : '\0' |
cf74a6f1 |
1523 | } |
a0d63196 |
1524 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1525 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
cf74a6f1 |
1526 | |
a0d63196 |
1527 | break; |
1528 | |
1529 | case LTT_STRUCT: |
1530 | element_number = (int) type->element_number; |
1531 | size = 0; |
1532 | /* tested with gcov */ |
1533 | if(unlikely(fld->field_fixed == -1)){ |
1534 | offset1 = offsetRoot; |
1535 | offset2 = 0; |
cf74a6f1 |
1536 | for(i=0;i<element_number;i++){ |
a0d63196 |
1537 | size1=getFieldtypeSize(t, evT,offset1,offset2, |
1538 | fld->child[i], NULL, trace); |
1539 | if(likely(size1 > 0 && size >= 0)){ |
1540 | size += size1; |
1541 | if(likely(offset1 >= 0)) offset1 += size1; |
1542 | offset2 += size1; |
1543 | }else{ |
1544 | size = -1; |
1545 | offset1 = -1; |
1546 | offset2 = -1; |
1547 | } |
cf74a6f1 |
1548 | } |
a0d63196 |
1549 | if(unlikely(size == -1)){ |
1550 | fld->field_fixed = 0; |
1551 | size = 0; |
1552 | }else fld->field_fixed = 1; |
1553 | }else if(likely(fld->field_fixed == 0)){ |
1554 | offset1 = offsetRoot; |
1555 | offset2 = 0; |
1556 | for(i=0;unlikely(i<element_number);i++){ |
1557 | size=getFieldtypeSize(t,evT,offset1,offset2, |
1558 | fld->child[i],evD+offset2, trace); |
1559 | offset1 += size; |
1560 | offset2 += size; |
1561 | } |
1562 | size = offset2; |
1563 | }else size = fld->field_size; |
d37b2aaa |
1564 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1565 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
a0d63196 |
1566 | break; |
cf74a6f1 |
1567 | |
a0d63196 |
1568 | default: |
1569 | if(unlikely(fld->field_fixed == -1)){ |
1570 | size = (int) ltt_type_size(trace, type); |
1571 | fld->field_fixed = 1; |
1572 | }else size = fld->field_size; |
1573 | if(unlikely(!evD)){ |
1574 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1575 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
1576 | } |
1577 | break; |
1578 | } |
cf74a6f1 |
1579 | } |
1580 | |
6cd62ccf |
1581 | fld->offset_root = offsetRoot; |
1582 | fld->offset_parent = offsetParent; |
6cd62ccf |
1583 | fld->field_size = size; |
1584 | |
21182d4a |
1585 | end_getFieldtypeSize: |
1586 | |
6cd62ccf |
1587 | return size; |
1588 | } |
1589 | |
6cd62ccf |
1590 | |
1591 | /***************************************************************************** |
1592 | *Function name |
1593 | * getIntNumber : get an integer number |
1594 | *Input params |
1595 | * size : the size of the integer |
1596 | * evD : the event data |
1597 | *Return value |
cf74a6f1 |
1598 | * gint64 : a 64 bits integer |
6cd62ccf |
1599 | ****************************************************************************/ |
1600 | |
0f7f40c1 |
1601 | gint64 getIntNumber(gboolean reverse_byte_order, int size, void *evD) |
6cd62ccf |
1602 | { |
cbd41522 |
1603 | gint64 i; |
cf74a6f1 |
1604 | |
1605 | switch(size) { |
1a2ceb63 |
1606 | case 1: i = *((gint8*)evD); break; |
0f7f40c1 |
1607 | case 2: i = ltt_get_int16(reverse_byte_order, evD); break; |
1608 | case 4: i = ltt_get_int32(reverse_byte_order, evD); break; |
1609 | case 8: i = ltt_get_int64(reverse_byte_order, evD); break; |
1610 | default: i = ltt_get_int64(reverse_byte_order, evD); |
cf74a6f1 |
1611 | g_critical("getIntNumber : integer size %d unknown", size); |
1612 | break; |
1613 | } |
1614 | |
1a2ceb63 |
1615 | return i; |
6cd62ccf |
1616 | } |
0f7f40c1 |
1617 | #if 0 |
6cd62ccf |
1618 | /***************************************************************************** |
1619 | *Function name |
1620 | * getDataEndianType : get the data type size and endian type of the local |
1621 | * machine |
1622 | *Input params |
1623 | * size : size of data type |
1624 | * endian : endian type, little or big |
1625 | ****************************************************************************/ |
1626 | |
963b5f2d |
1627 | void getDataEndianType(LttArchSize * size, LttArchEndian * endian) |
6cd62ccf |
1628 | { |
1629 | int i = 1; |
1630 | char c = (char) i; |
1631 | int sizeInt=sizeof(int), sizeLong=sizeof(long), sizePointer=sizeof(void *); |
1632 | |
1633 | if(c == 1) *endian = LTT_LITTLE_ENDIAN; |
1634 | else *endian = LTT_BIG_ENDIAN; |
1635 | |
1636 | if(sizeInt == 2 && sizeLong == 4 && sizePointer == 4) |
1637 | *size = LTT_LP32; |
1638 | else if(sizeInt == 4 && sizeLong == 4 && sizePointer == 4) |
1639 | *size = LTT_ILP32; |
1640 | else if(sizeInt == 4 && sizeLong == 8 && sizePointer == 8) |
1641 | *size = LTT_LP64; |
1642 | else if(sizeInt == 8 && sizeLong == 8 && sizePointer == 8) |
1643 | *size = LTT_ILP64; |
1644 | else *size = LTT_UNKNOWN; |
1645 | } |
0f7f40c1 |
1646 | #endif //0 |
a5dcde2f |
1647 | /* get the node name of the system */ |
1648 | |
1649 | char * ltt_trace_system_description_node_name (LttSystemDescription * s) |
1650 | { |
1651 | return s->node_name; |
1652 | } |
1653 | |
1654 | |
1655 | /* get the domain name of the system */ |
1656 | |
1657 | char * ltt_trace_system_description_domain_name (LttSystemDescription * s) |
1658 | { |
1659 | return s->domain_name; |
1660 | } |
1661 | |
1662 | |
1663 | /* get the description of the system */ |
1664 | |
1665 | char * ltt_trace_system_description_description (LttSystemDescription * s) |
1666 | { |
1667 | return s->description; |
1668 | } |
1669 | |
1670 | |
1671 | /* get the start time of the trace */ |
1672 | |
1673 | LttTime ltt_trace_system_description_trace_start_time(LttSystemDescription *s) |
1674 | { |
1675 | return s->trace_start; |
1676 | } |
1677 | |
18206708 |
1678 | |
1679 | LttTracefile *ltt_tracefile_new() |
1680 | { |
1681 | return g_new(LttTracefile, 1); |
1682 | } |
1683 | |
1684 | void ltt_tracefile_destroy(LttTracefile *tf) |
1685 | { |
1686 | g_free(tf); |
1687 | } |
1688 | |
1689 | void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src) |
1690 | { |
1691 | *dest = *src; |
1692 | } |
1693 | |