449cb9d7 |
1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2003-2004 Xiangxiu Yang |
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> |
6cd62ccf |
27 | |
ef35d837 |
28 | // For realpath |
29 | #include <limits.h> |
30 | #include <stdlib.h> |
31 | |
32 | |
6cd62ccf |
33 | #include "parser.h" |
a5dcde2f |
34 | #include <ltt/ltt.h> |
35 | #include "ltt-private.h" |
963b5f2d |
36 | #include <ltt/trace.h> |
a5dcde2f |
37 | #include <ltt/facility.h> |
c02ea99f |
38 | #include <ltt/event.h> |
8d1e6362 |
39 | #include <ltt/type.h> |
6cd62ccf |
40 | |
963b5f2d |
41 | #define DIR_NAME_SIZE 256 |
51b5991e |
42 | #define __UNUSED__ __attribute__((__unused__)) |
6cd62ccf |
43 | |
44 | /* set the offset of the fields belonging to the event, |
45 | need the information of the archecture */ |
40331ba8 |
46 | void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace *t); |
6cd62ccf |
47 | |
48 | /* get the size of the field type according to the archtecture's |
49 | size and endian type(info of the archecture) */ |
40331ba8 |
50 | int getFieldtypeSize(LttTracefile * tf, LttEventType * evT, int offsetRoot, |
51 | int offsetParent, LttField *fld, void *evD, LttTrace* t); |
6cd62ccf |
52 | |
53 | /* read a fixed size or a block information from the file (fd) */ |
54 | int readFile(int fd, void * buf, size_t size, char * mesg); |
963b5f2d |
55 | int readBlock(LttTracefile * tf, int whichBlock); |
6cd62ccf |
56 | |
57 | /* calculate cycles per nsec for current block */ |
963b5f2d |
58 | void getCyclePerNsec(LttTracefile * t); |
6cd62ccf |
59 | |
60 | /* reinitialize the info of the block which is already in the buffer */ |
963b5f2d |
61 | void updateTracefile(LttTracefile * tf); |
6cd62ccf |
62 | |
63 | /* go to the next event */ |
963b5f2d |
64 | int skipEvent(LttTracefile * t); |
6cd62ccf |
65 | |
6cd62ccf |
66 | |
43da6a59 |
67 | /* Functions to parse system.xml file (using glib xml parser) */ |
51b5991e |
68 | static void parser_start_element (GMarkupParseContext __UNUSED__ *context, |
43da6a59 |
69 | const gchar *element_name, |
70 | const gchar **attribute_names, |
71 | const gchar **attribute_values, |
72 | gpointer user_data, |
73 | GError **error) |
74 | { |
75 | int i=0; |
76 | LttSystemDescription* des = (LttSystemDescription* )user_data; |
77 | if(strcmp("system", element_name)){ |
2a74fbf4 |
78 | *error = g_error_new(G_MARKUP_ERROR, |
79 | G_LOG_LEVEL_WARNING, |
80 | "This is not system.xml file"); |
81 | return; |
43da6a59 |
82 | } |
83 | |
84 | while(attribute_names[i]){ |
85 | if(strcmp("node_name", attribute_names[i])==0){ |
86 | des->node_name = g_strdup(attribute_values[i]); |
87 | }else if(strcmp("domainname", attribute_names[i])==0){ |
88 | des->domain_name = g_strdup(attribute_values[i]); |
89 | }else if(strcmp("cpu", attribute_names[i])==0){ |
90 | des->nb_cpu = atoi(attribute_values[i]); |
91 | }else if(strcmp("arch_size", attribute_names[i])==0){ |
92 | if(strcmp(attribute_values[i],"LP32") == 0) des->size = LTT_LP32; |
93 | else if(strcmp(attribute_values[i],"ILP32") == 0) des->size = LTT_ILP32; |
94 | else if(strcmp(attribute_values[i],"LP64") == 0) des->size = LTT_LP64; |
95 | else if(strcmp(attribute_values[i],"ILP64") == 0) des->size = LTT_ILP64; |
96 | else if(strcmp(attribute_values[i],"UNKNOWN") == 0) des->size = LTT_UNKNOWN; |
97 | }else if(strcmp("endian", attribute_names[i])==0){ |
98 | if(strcmp(attribute_values[i],"LITTLE_ENDIAN") == 0) |
99 | des->endian = LTT_LITTLE_ENDIAN; |
100 | else if(strcmp(attribute_values[i],"BIG_ENDIAN") == 0) |
101 | des->endian = LTT_BIG_ENDIAN; |
102 | }else if(strcmp("kernel_name", attribute_names[i])==0){ |
103 | des->kernel_name = g_strdup(attribute_values[i]); |
104 | }else if(strcmp("kernel_release", attribute_names[i])==0){ |
105 | des->kernel_release = g_strdup(attribute_values[i]); |
106 | }else if(strcmp("kernel_version", attribute_names[i])==0){ |
107 | des->kernel_version = g_strdup(attribute_values[i]); |
108 | }else if(strcmp("machine", attribute_names[i])==0){ |
109 | des->machine = g_strdup(attribute_values[i]); |
110 | }else if(strcmp("processor", attribute_names[i])==0){ |
111 | des->processor = g_strdup(attribute_values[i]); |
112 | }else if(strcmp("hardware_platform", attribute_names[i])==0){ |
113 | des->hardware_platform = g_strdup(attribute_values[i]); |
114 | }else if(strcmp("operating_system", attribute_names[i])==0){ |
115 | des->operating_system = g_strdup(attribute_values[i]); |
116 | }else if(strcmp("ltt_major_version", attribute_names[i])==0){ |
117 | des->ltt_major_version = atoi(attribute_values[i]); |
118 | }else if(strcmp("ltt_minor_version", attribute_names[i])==0){ |
119 | des->ltt_minor_version = atoi(attribute_values[i]); |
120 | }else if(strcmp("ltt_block_size", attribute_names[i])==0){ |
121 | des->ltt_block_size = atoi(attribute_values[i]); |
122 | }else{ |
2a74fbf4 |
123 | *error = g_error_new(G_MARKUP_ERROR, |
124 | G_LOG_LEVEL_WARNING, |
125 | "Not a valid attribute"); |
126 | return; |
43da6a59 |
127 | } |
128 | i++; |
129 | } |
130 | } |
131 | |
51b5991e |
132 | static void parser_characters (GMarkupParseContext __UNUSED__ *context, |
43da6a59 |
133 | const gchar *text, |
51b5991e |
134 | gsize __UNUSED__ text_len, |
43da6a59 |
135 | gpointer user_data, |
51b5991e |
136 | GError __UNUSED__ **error) |
43da6a59 |
137 | { |
138 | LttSystemDescription* des = (LttSystemDescription* )user_data; |
139 | des->description = g_strdup(text); |
140 | } |
141 | |
142 | |
6cd62ccf |
143 | /***************************************************************************** |
144 | *Function name |
963b5f2d |
145 | * ltt_tracefile_open : open a trace file, construct a LttTracefile |
6cd62ccf |
146 | *Input params |
963b5f2d |
147 | * t : the trace containing the tracefile |
148 | * fileName : path name of the trace file |
6cd62ccf |
149 | *Return value |
963b5f2d |
150 | * : a pointer to a tracefile |
6cd62ccf |
151 | ****************************************************************************/ |
152 | |
963b5f2d |
153 | LttTracefile* ltt_tracefile_open(LttTrace * t, char * fileName) |
6cd62ccf |
154 | { |
963b5f2d |
155 | LttTracefile * tf; |
156 | struct stat lTDFStat; /* Trace data file status */ |
6cd62ccf |
157 | |
963b5f2d |
158 | tf = g_new(LttTracefile, 1); |
6cd62ccf |
159 | |
160 | //open the file |
963b5f2d |
161 | tf->name = g_strdup(fileName); |
162 | tf->trace = t; |
6cd62ccf |
163 | tf->fd = open(fileName, O_RDONLY, 0); |
164 | if(tf->fd < 0){ |
2a74fbf4 |
165 | g_warning("Unable to open input data file %s\n", fileName); |
166 | g_free(tf->name); |
167 | g_free(tf); |
168 | return NULL; |
6cd62ccf |
169 | } |
170 | |
171 | // Get the file's status |
172 | if(fstat(tf->fd, &lTDFStat) < 0){ |
2a74fbf4 |
173 | g_warning("Unable to get the status of the input data file %s\n", fileName); |
174 | g_free(tf->name); |
175 | close(tf->fd); |
176 | g_free(tf); |
177 | return NULL; |
6cd62ccf |
178 | } |
179 | |
180 | // Is the file large enough to contain a trace |
8d1e6362 |
181 | if(lTDFStat.st_size < (off_t)(sizeof(BlockStart) + EVENT_HEADER_SIZE)){ |
8710c6c7 |
182 | g_print("The input data file %s does not contain a trace\n", fileName); |
663bd9ff |
183 | g_free(tf->name); |
184 | close(tf->fd); |
185 | g_free(tf); |
8710c6c7 |
186 | return NULL; |
6cd62ccf |
187 | } |
188 | |
189 | //store the size of the file |
190 | tf->file_size = lTDFStat.st_size; |
963b5f2d |
191 | tf->block_size = t->system_description->ltt_block_size; |
192 | tf->block_number = tf->file_size / tf->block_size; |
193 | tf->which_block = 0; |
6cd62ccf |
194 | |
195 | //allocate memory to contain the info of a block |
963b5f2d |
196 | tf->buffer = (void *) g_new(char, t->system_description->ltt_block_size); |
6cd62ccf |
197 | |
963b5f2d |
198 | //read the first block |
199 | if(readBlock(tf,1)) exit(1); |
6cd62ccf |
200 | |
201 | return tf; |
202 | } |
203 | |
6cd62ccf |
204 | |
205 | /***************************************************************************** |
963b5f2d |
206 | *Open control and per cpu tracefiles |
6cd62ccf |
207 | ****************************************************************************/ |
208 | |
963b5f2d |
209 | void ltt_tracefile_open_cpu(LttTrace *t, char * tracefile_name) |
6cd62ccf |
210 | { |
963b5f2d |
211 | LttTracefile * tf; |
212 | tf = ltt_tracefile_open(t,tracefile_name); |
4a6c8e36 |
213 | if(!tf) return; |
963b5f2d |
214 | t->per_cpu_tracefile_number++; |
215 | g_ptr_array_add(t->per_cpu_tracefiles, tf); |
6cd62ccf |
216 | } |
217 | |
2a74fbf4 |
218 | gint ltt_tracefile_open_control(LttTrace *t, char * control_name) |
6cd62ccf |
219 | { |
963b5f2d |
220 | LttTracefile * tf; |
c02ea99f |
221 | LttEvent ev; |
963b5f2d |
222 | LttFacility * f; |
963b5f2d |
223 | void * pos; |
224 | FacilityLoad fLoad; |
8d1e6362 |
225 | unsigned int i; |
963b5f2d |
226 | |
227 | tf = ltt_tracefile_open(t,control_name); |
2a74fbf4 |
228 | if(!tf) { |
229 | g_warning("ltt_tracefile_open_control : bad file descriptor"); |
230 | return -1; |
231 | } |
963b5f2d |
232 | t->control_tracefile_number++; |
233 | g_ptr_array_add(t->control_tracefiles,tf); |
234 | |
235 | //parse facilities tracefile to get base_id |
542ceddd |
236 | if(strcmp(&control_name[strlen(control_name)-10],"facilities") ==0){ |
963b5f2d |
237 | while(1){ |
c02ea99f |
238 | if(!ltt_tracefile_read(tf,&ev)) return 0; // end of file |
40331ba8 |
239 | |
c02ea99f |
240 | if(ev.event_id == TRACE_FACILITY_LOAD){ |
241 | pos = ev.data; |
963b5f2d |
242 | fLoad.name = (char*)pos; |
47a166fc |
243 | fLoad.checksum = *(LttChecksum*)(pos + strlen(fLoad.name)); |
cbd41522 |
244 | fLoad.base_code = *(guint32 *)(pos + strlen(fLoad.name) + sizeof(LttChecksum)); |
963b5f2d |
245 | |
246 | for(i=0;i<t->facility_number;i++){ |
247 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
248 | if(strcmp(f->name,fLoad.name)==0 && fLoad.checksum==f->checksum){ |
249 | f->base_id = fLoad.base_code; |
250 | break; |
251 | } |
252 | } |
2a74fbf4 |
253 | if(i==t->facility_number) { |
8d1e6362 |
254 | g_warning("Facility: %s, checksum: %u is not found", |
255 | fLoad.name,(unsigned int)fLoad.checksum); |
2a74fbf4 |
256 | return -1; |
257 | } |
c02ea99f |
258 | }else if(ev.event_id == TRACE_BLOCK_START){ |
40331ba8 |
259 | continue; |
c02ea99f |
260 | }else if(ev.event_id == TRACE_BLOCK_END){ |
40331ba8 |
261 | break; |
2a74fbf4 |
262 | }else { |
8d1e6362 |
263 | g_warning("Not valid facilities trace file"); |
2a74fbf4 |
264 | return -1; |
265 | } |
963b5f2d |
266 | } |
267 | } |
2a74fbf4 |
268 | return 0; |
6cd62ccf |
269 | } |
270 | |
271 | /***************************************************************************** |
272 | *Function name |
963b5f2d |
273 | * ltt_tracefile_close: close a trace file, |
6cd62ccf |
274 | *Input params |
963b5f2d |
275 | * t : tracefile which will be closed |
6cd62ccf |
276 | ****************************************************************************/ |
277 | |
963b5f2d |
278 | void ltt_tracefile_close(LttTracefile *t) |
6cd62ccf |
279 | { |
963b5f2d |
280 | g_free(t->name); |
281 | g_free(t->buffer); |
663bd9ff |
282 | close(t->fd); |
963b5f2d |
283 | g_free(t); |
284 | } |
6cd62ccf |
285 | |
6cd62ccf |
286 | |
963b5f2d |
287 | /***************************************************************************** |
288 | *Get system information |
289 | ****************************************************************************/ |
2a74fbf4 |
290 | gint getSystemInfo(LttSystemDescription* des, char * pathname) |
963b5f2d |
291 | { |
292 | FILE * fp; |
963b5f2d |
293 | char buf[DIR_NAME_SIZE]; |
43da6a59 |
294 | |
295 | GMarkupParseContext * context; |
2a74fbf4 |
296 | GError * error = NULL; |
43da6a59 |
297 | GMarkupParser markup_parser = |
298 | { |
299 | parser_start_element, |
8d1e6362 |
300 | NULL, |
43da6a59 |
301 | parser_characters, |
302 | NULL, /* passthrough */ |
303 | NULL /* error */ |
304 | }; |
963b5f2d |
305 | |
306 | fp = fopen(pathname,"r"); |
307 | if(!fp){ |
2a74fbf4 |
308 | g_warning("Can not open file : %s\n", pathname); |
309 | return -1; |
6cd62ccf |
310 | } |
963b5f2d |
311 | |
43da6a59 |
312 | context = g_markup_parse_context_new(&markup_parser, 0, des,NULL); |
6cd62ccf |
313 | |
43da6a59 |
314 | while(fgets(buf,DIR_NAME_SIZE, fp) != NULL){ |
315 | if(!g_markup_parse_context_parse(context, buf, DIR_NAME_SIZE, &error)){ |
2a74fbf4 |
316 | if(error != NULL) { |
317 | g_warning("Can not parse xml file: \n%s\n", error->message); |
318 | g_error_free(error); |
319 | } |
320 | g_markup_parse_context_free(context); |
321 | fclose(fp); |
322 | return -1; |
43da6a59 |
323 | } |
963b5f2d |
324 | } |
2a74fbf4 |
325 | g_markup_parse_context_free(context); |
963b5f2d |
326 | fclose(fp); |
2a74fbf4 |
327 | return 0; |
6cd62ccf |
328 | } |
329 | |
330 | /***************************************************************************** |
963b5f2d |
331 | *The following functions get facility/tracefile information |
6cd62ccf |
332 | ****************************************************************************/ |
333 | |
2a74fbf4 |
334 | gint getFacilityInfo(LttTrace *t, char* eventdefs) |
6cd62ccf |
335 | { |
963b5f2d |
336 | DIR * dir; |
337 | struct dirent *entry; |
338 | char * ptr; |
8d1e6362 |
339 | unsigned int i,j; |
963b5f2d |
340 | LttFacility * f; |
341 | LttEventType * et; |
e8bb1a73 |
342 | char name[DIR_NAME_SIZE]; |
963b5f2d |
343 | |
344 | dir = opendir(eventdefs); |
2a74fbf4 |
345 | if(!dir) { |
346 | g_warning("Can not open directory: %s\n", eventdefs); |
347 | return -1; |
348 | } |
963b5f2d |
349 | |
350 | while((entry = readdir(dir)) != NULL){ |
351 | ptr = &entry->d_name[strlen(entry->d_name)-4]; |
352 | if(strcmp(ptr,".xml") != 0) continue; |
e8bb1a73 |
353 | strcpy(name,eventdefs); |
354 | strcat(name,entry->d_name); |
355 | ltt_facility_open(t,name); |
963b5f2d |
356 | } |
357 | closedir(dir); |
358 | |
963b5f2d |
359 | for(j=0;j<t->facility_number;j++){ |
8710c6c7 |
360 | f = (LttFacility*)g_ptr_array_index(t->facilities, j); |
963b5f2d |
361 | for(i=0; i<f->event_number; i++){ |
362 | et = f->events[i]; |
40331ba8 |
363 | setFieldsOffset(NULL, et, NULL, t); |
963b5f2d |
364 | } |
365 | } |
2a74fbf4 |
366 | return 0; |
963b5f2d |
367 | } |
6cd62ccf |
368 | |
2a74fbf4 |
369 | gint getControlFileInfo(LttTrace *t, char* control) |
6cd62ccf |
370 | { |
963b5f2d |
371 | DIR * dir; |
372 | struct dirent *entry; |
e8bb1a73 |
373 | char name[DIR_NAME_SIZE]; |
963b5f2d |
374 | |
375 | dir = opendir(control); |
2a74fbf4 |
376 | if(!dir) { |
377 | g_warning("Can not open directory: %s\n", control); |
378 | return -1; |
379 | } |
963b5f2d |
380 | |
381 | while((entry = readdir(dir)) != NULL){ |
8710c6c7 |
382 | if(strcmp(entry->d_name,"facilities") != 0 && |
383 | strcmp(entry->d_name,"interrupts") != 0 && |
963b5f2d |
384 | strcmp(entry->d_name,"processes") != 0) continue; |
385 | |
e8bb1a73 |
386 | strcpy(name,control); |
387 | strcat(name,entry->d_name); |
2a74fbf4 |
388 | if(ltt_tracefile_open_control(t,name)) |
389 | return -1; |
963b5f2d |
390 | } |
391 | closedir(dir); |
2a74fbf4 |
392 | return 0; |
6cd62ccf |
393 | } |
394 | |
2a74fbf4 |
395 | gint getCpuFileInfo(LttTrace *t, char* cpu) |
6cd62ccf |
396 | { |
963b5f2d |
397 | DIR * dir; |
398 | struct dirent *entry; |
e8bb1a73 |
399 | char name[DIR_NAME_SIZE]; |
963b5f2d |
400 | |
401 | dir = opendir(cpu); |
2a74fbf4 |
402 | if(!dir) { |
403 | g_warning("Can not open directory: %s\n", cpu); |
404 | return -1; |
405 | } |
963b5f2d |
406 | |
407 | while((entry = readdir(dir)) != NULL){ |
8710c6c7 |
408 | if(strcmp(entry->d_name,".") != 0 && |
a614481a |
409 | strcmp(entry->d_name,"..") != 0 && |
410 | strcmp(entry->d_name,".svn") != 0){ |
e8bb1a73 |
411 | strcpy(name,cpu); |
412 | strcat(name,entry->d_name); |
413 | ltt_tracefile_open_cpu(t,name); |
963b5f2d |
414 | }else continue; |
415 | } |
416 | closedir(dir); |
2a74fbf4 |
417 | return 0; |
6cd62ccf |
418 | } |
419 | |
963b5f2d |
420 | /***************************************************************************** |
421 | *A trace is specified as a pathname to the directory containing all the |
422 | *associated data (control tracefiles, per cpu tracefiles, event |
423 | *descriptions...). |
424 | * |
425 | *When a trace is closed, all the associated facilities, types and fields |
426 | *are released as well. |
8d1e6362 |
427 | */ |
428 | |
429 | |
430 | /**************************************************************************** |
431 | * get_absolute_pathname |
803229fa |
432 | * |
8d1e6362 |
433 | * return the unique pathname in the system |
434 | * |
ef35d837 |
435 | * MD : Fixed this function so it uses realpath, dealing well with |
436 | * forgotten cases (.. were not used correctly before). |
803229fa |
437 | * |
963b5f2d |
438 | ****************************************************************************/ |
9f797243 |
439 | void get_absolute_pathname(const char *pathname, char * abs_pathname) |
440 | { |
9f797243 |
441 | abs_pathname[0] = '\0'; |
803229fa |
442 | |
ef35d837 |
443 | if ( realpath (pathname, abs_pathname) != NULL) |
444 | return; |
445 | else |
446 | { |
8d1e6362 |
447 | /* error, return the original path unmodified */ |
ef35d837 |
448 | strcpy(abs_pathname, pathname); |
9f797243 |
449 | return; |
450 | } |
ef35d837 |
451 | return; |
9f797243 |
452 | } |
453 | |
f7afe191 |
454 | LttTrace *ltt_trace_open(const char *pathname) |
6cd62ccf |
455 | { |
963b5f2d |
456 | LttTrace * t; |
457 | LttSystemDescription * sys_description; |
458 | char eventdefs[DIR_NAME_SIZE]; |
459 | char info[DIR_NAME_SIZE]; |
460 | char control[DIR_NAME_SIZE]; |
461 | char cpu[DIR_NAME_SIZE]; |
462 | char tmp[DIR_NAME_SIZE]; |
9f797243 |
463 | char abs_path[DIR_NAME_SIZE]; |
963b5f2d |
464 | gboolean has_slash = FALSE; |
465 | |
9f797243 |
466 | get_absolute_pathname(pathname, abs_path); |
963b5f2d |
467 | //establish the pathname to different directories |
9f797243 |
468 | if(abs_path[strlen(abs_path)-1] == '/')has_slash = TRUE; |
469 | strcpy(eventdefs,abs_path); |
963b5f2d |
470 | if(!has_slash)strcat(eventdefs,"/"); |
471 | strcat(eventdefs,"eventdefs/"); |
472 | |
9f797243 |
473 | strcpy(info,abs_path); |
963b5f2d |
474 | if(!has_slash)strcat(info,"/"); |
475 | strcat(info,"info/"); |
476 | |
9f797243 |
477 | strcpy(control,abs_path); |
963b5f2d |
478 | if(!has_slash)strcat(control,"/"); |
479 | strcat(control,"control/"); |
480 | |
9f797243 |
481 | strcpy(cpu,abs_path); |
963b5f2d |
482 | if(!has_slash)strcat(cpu,"/"); |
483 | strcat(cpu,"cpu/"); |
484 | |
485 | //new trace |
963b5f2d |
486 | sys_description = g_new(LttSystemDescription, 1); |
2a74fbf4 |
487 | t = g_new(LttTrace, 1); |
9f797243 |
488 | t->pathname = g_strdup(abs_path); |
963b5f2d |
489 | t->facility_number = 0; |
490 | t->control_tracefile_number = 0; |
491 | t->per_cpu_tracefile_number = 0; |
492 | t->system_description = sys_description; |
493 | t->control_tracefiles = g_ptr_array_new(); |
494 | t->per_cpu_tracefiles = g_ptr_array_new(); |
495 | t->facilities = g_ptr_array_new(); |
496 | getDataEndianType(&(t->my_arch_size), &(t->my_arch_endian)); |
497 | |
498 | //get system description |
499 | strcpy(tmp,info); |
500 | strcat(tmp,"system.xml"); |
2a74fbf4 |
501 | if(getSystemInfo(sys_description, tmp)) { |
502 | g_ptr_array_free(t->facilities, TRUE); |
503 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
504 | g_ptr_array_free(t->control_tracefiles, TRUE); |
505 | g_free(sys_description); |
506 | g_free(t->pathname); |
507 | g_free(t); |
508 | return NULL; |
509 | } |
510 | |
511 | |
963b5f2d |
512 | |
b333a76b |
513 | //get facilities info |
2a74fbf4 |
514 | if(getFacilityInfo(t,eventdefs)) { |
515 | g_ptr_array_free(t->facilities, TRUE); |
516 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
517 | g_ptr_array_free(t->control_tracefiles, TRUE); |
518 | g_free(sys_description); |
519 | g_free(t->pathname); |
520 | g_free(t); |
521 | return NULL; |
522 | } |
b333a76b |
523 | |
963b5f2d |
524 | //get control tracefile info |
a00149f6 |
525 | getControlFileInfo(t,control); |
526 | /* |
2a74fbf4 |
527 | if(getControlFileInfo(t,control)) { |
528 | g_ptr_array_free(t->facilities, TRUE); |
529 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
530 | g_ptr_array_free(t->control_tracefiles, TRUE); |
531 | g_free(sys_description); |
532 | g_free(t->pathname); |
533 | g_free(t); |
534 | return NULL; |
a00149f6 |
535 | }*/ // With fatal error |
963b5f2d |
536 | |
537 | //get cpu tracefile info |
2a74fbf4 |
538 | if(getCpuFileInfo(t,cpu)) { |
539 | g_ptr_array_free(t->facilities, TRUE); |
540 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
541 | g_ptr_array_free(t->control_tracefiles, TRUE); |
542 | g_free(sys_description); |
543 | g_free(t->pathname); |
544 | g_free(t); |
545 | return NULL; |
546 | } |
963b5f2d |
547 | |
963b5f2d |
548 | return t; |
6cd62ccf |
549 | } |
550 | |
49bf71b5 |
551 | char * ltt_trace_name(LttTrace *t) |
552 | { |
553 | return t->pathname; |
554 | } |
555 | |
556 | |
f7afe191 |
557 | /****************************************************************************** |
558 | * When we copy a trace, we want all the opening actions to happen again : |
559 | * the trace will be reopened and totally independant from the original. |
560 | * That's why we call ltt_trace_open. |
561 | *****************************************************************************/ |
562 | LttTrace *ltt_trace_copy(LttTrace *self) |
563 | { |
564 | return ltt_trace_open(self->pathname); |
565 | } |
566 | |
963b5f2d |
567 | void ltt_trace_close(LttTrace *t) |
6cd62ccf |
568 | { |
8d1e6362 |
569 | unsigned int i; |
963b5f2d |
570 | LttTracefile * tf; |
571 | LttFacility * f; |
572 | |
573 | g_free(t->pathname); |
574 | |
575 | //free system_description |
576 | g_free(t->system_description->description); |
577 | g_free(t->system_description->node_name); |
578 | g_free(t->system_description->domain_name); |
579 | g_free(t->system_description->kernel_name); |
580 | g_free(t->system_description->kernel_release); |
581 | g_free(t->system_description->kernel_version); |
582 | g_free(t->system_description->machine); |
583 | g_free(t->system_description->processor); |
584 | g_free(t->system_description->hardware_platform); |
585 | g_free(t->system_description->operating_system); |
586 | g_free(t->system_description); |
587 | |
588 | //free control_tracefiles |
589 | for(i=0;i<t->control_tracefile_number;i++){ |
590 | tf = (LttTracefile*)g_ptr_array_index(t->control_tracefiles,i); |
591 | ltt_tracefile_close(tf); |
592 | } |
09ad4797 |
593 | g_ptr_array_free(t->control_tracefiles, TRUE); |
963b5f2d |
594 | |
595 | //free per_cpu_tracefiles |
596 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
597 | tf = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,i); |
598 | ltt_tracefile_close(tf); |
599 | } |
09ad4797 |
600 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
963b5f2d |
601 | |
602 | //free facilities |
603 | for(i=0;i<t->facility_number;i++){ |
604 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
605 | ltt_facility_close(f); |
606 | } |
09ad4797 |
607 | g_ptr_array_free(t->facilities, TRUE); |
963b5f2d |
608 | |
609 | g_free(t); |
09ad4797 |
610 | |
611 | g_blow_chunks(); |
6cd62ccf |
612 | } |
613 | |
963b5f2d |
614 | |
6cd62ccf |
615 | /***************************************************************************** |
963b5f2d |
616 | *Get the system description of the trace |
6cd62ccf |
617 | ****************************************************************************/ |
618 | |
963b5f2d |
619 | LttSystemDescription *ltt_trace_system_description(LttTrace *t) |
6cd62ccf |
620 | { |
963b5f2d |
621 | return t->system_description; |
6cd62ccf |
622 | } |
623 | |
624 | /***************************************************************************** |
963b5f2d |
625 | * The following functions discover the facilities of the trace |
6cd62ccf |
626 | ****************************************************************************/ |
627 | |
963b5f2d |
628 | unsigned ltt_trace_facility_number(LttTrace *t) |
629 | { |
630 | return (unsigned)(t->facility_number); |
631 | } |
632 | |
633 | LttFacility *ltt_trace_facility_get(LttTrace *t, unsigned i) |
6cd62ccf |
634 | { |
963b5f2d |
635 | return (LttFacility*)g_ptr_array_index(t->facilities, i); |
6cd62ccf |
636 | } |
637 | |
638 | /***************************************************************************** |
639 | *Function name |
963b5f2d |
640 | * ltt_trace_facility_find : find facilities in the trace |
6cd62ccf |
641 | *Input params |
963b5f2d |
642 | * t : the trace |
643 | * name : facility name |
644 | *Output params |
645 | * position : position of the facility in the trace |
6cd62ccf |
646 | *Return value |
963b5f2d |
647 | * : the number of facilities |
6cd62ccf |
648 | ****************************************************************************/ |
649 | |
963b5f2d |
650 | unsigned ltt_trace_facility_find(LttTrace *t, char *name, unsigned *position) |
6cd62ccf |
651 | { |
8d1e6362 |
652 | unsigned int i, count=0; |
963b5f2d |
653 | LttFacility * f; |
8a3005f3 |
654 | for(i=0;i<t->facility_number;i++){ |
963b5f2d |
655 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
656 | if(strcmp(f->name,name)==0){ |
657 | count++; |
658 | if(count==1) *position = i; |
659 | }else{ |
660 | if(count) break; |
661 | } |
662 | } |
663 | return count; |
6cd62ccf |
664 | } |
665 | |
666 | /***************************************************************************** |
963b5f2d |
667 | * Functions to discover all the event types in the trace |
6cd62ccf |
668 | ****************************************************************************/ |
669 | |
963b5f2d |
670 | unsigned ltt_trace_eventtype_number(LttTrace *t) |
6cd62ccf |
671 | { |
8d1e6362 |
672 | unsigned int i; |
963b5f2d |
673 | unsigned count = 0; |
674 | LttFacility * f; |
b445142a |
675 | for(i=0;i<t->facility_number;i++){ |
963b5f2d |
676 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
677 | count += f->event_number; |
678 | } |
679 | return count; |
6cd62ccf |
680 | } |
681 | |
963b5f2d |
682 | LttFacility * ltt_trace_facility_by_id(LttTrace * trace, unsigned id) |
6cd62ccf |
683 | { |
cf74a6f1 |
684 | LttFacility * facility = NULL; |
8d1e6362 |
685 | unsigned int i; |
cf74a6f1 |
686 | |
963b5f2d |
687 | for(i=0;i<trace->facility_number;i++){ |
cf74a6f1 |
688 | LttFacility *iter_facility = |
689 | (LttFacility*) g_ptr_array_index(trace->facilities,i); |
690 | if(id >= iter_facility->base_id && |
691 | id < iter_facility->base_id + iter_facility->event_number) { |
692 | facility = iter_facility; |
963b5f2d |
693 | break; |
cf74a6f1 |
694 | } |
963b5f2d |
695 | } |
cf74a6f1 |
696 | |
697 | return facility; |
6cd62ccf |
698 | } |
699 | |
963b5f2d |
700 | LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId) |
6cd62ccf |
701 | { |
963b5f2d |
702 | LttFacility * f; |
703 | f = ltt_trace_facility_by_id(t,evId); |
704 | if(!f) return NULL; |
705 | return f->events[evId - f->base_id]; |
6cd62ccf |
706 | } |
707 | |
708 | /***************************************************************************** |
963b5f2d |
709 | *There is one "per cpu" tracefile for each CPU, numbered from 0 to |
710 | *the maximum number of CPU in the system. When the number of CPU installed |
711 | *is less than the maximum, some positions are unused. There are also a |
712 | *number of "control" tracefiles (facilities, interrupts...). |
6cd62ccf |
713 | ****************************************************************************/ |
963b5f2d |
714 | unsigned ltt_trace_control_tracefile_number(LttTrace *t) |
6cd62ccf |
715 | { |
963b5f2d |
716 | return t->control_tracefile_number; |
6cd62ccf |
717 | } |
718 | |
963b5f2d |
719 | unsigned ltt_trace_per_cpu_tracefile_number(LttTrace *t) |
6cd62ccf |
720 | { |
963b5f2d |
721 | return t->per_cpu_tracefile_number; |
6cd62ccf |
722 | } |
723 | |
724 | /***************************************************************************** |
963b5f2d |
725 | *It is possible to search for the tracefiles by name or by CPU position. |
726 | *The index within the tracefiles of the same type is returned if found |
727 | *and a negative value otherwise. |
6cd62ccf |
728 | ****************************************************************************/ |
729 | |
8d1e6362 |
730 | int ltt_trace_control_tracefile_find(LttTrace *t, const gchar *name) |
6cd62ccf |
731 | { |
963b5f2d |
732 | LttTracefile * tracefile; |
8d1e6362 |
733 | unsigned int i; |
963b5f2d |
734 | for(i=0;i<t->control_tracefile_number;i++){ |
735 | tracefile = (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i); |
736 | if(strcmp(tracefile->name, name)==0)break; |
737 | } |
738 | if(i == t->control_tracefile_number) return -1; |
739 | return i; |
6cd62ccf |
740 | } |
741 | |
8d1e6362 |
742 | /* not really useful. We just have to know that cpu tracefiles |
743 | * comes before control tracefiles. |
744 | */ |
745 | int ltt_trace_per_cpu_tracefile_find(LttTrace *t, const gchar *name) |
6cd62ccf |
746 | { |
963b5f2d |
747 | LttTracefile * tracefile; |
8d1e6362 |
748 | unsigned int i; |
749 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
750 | tracefile = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
751 | if(strcmp(tracefile->name, name)==0)break; |
963b5f2d |
752 | } |
8d1e6362 |
753 | if(i == t->per_cpu_tracefile_number) return -1; |
754 | return i; |
6cd62ccf |
755 | } |
756 | |
757 | /***************************************************************************** |
963b5f2d |
758 | *Get a specific tracefile |
6cd62ccf |
759 | ****************************************************************************/ |
760 | |
963b5f2d |
761 | LttTracefile *ltt_trace_control_tracefile_get(LttTrace *t, unsigned i) |
6cd62ccf |
762 | { |
5598cfe3 |
763 | return (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i); |
963b5f2d |
764 | } |
765 | |
766 | LttTracefile *ltt_trace_per_cpu_tracefile_get(LttTrace *t, unsigned i) |
767 | { |
768 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
6cd62ccf |
769 | } |
770 | |
487ad181 |
771 | /***************************************************************************** |
772 | * Get the start time and end time of the trace |
773 | ****************************************************************************/ |
774 | |
775 | void ltt_trace_time_span_get(LttTrace *t, LttTime *start, LttTime *end) |
776 | { |
777 | LttTime startSmall, startTmp, endBig, endTmp; |
8d1e6362 |
778 | unsigned int i, j=0; |
487ad181 |
779 | LttTracefile * tf; |
780 | |
781 | for(i=0;i<t->control_tracefile_number;i++){ |
782 | tf = g_ptr_array_index(t->control_tracefiles, i); |
783 | readBlock(tf,1); |
784 | startTmp = tf->a_block_start->time; |
785 | readBlock(tf,tf->block_number); |
786 | endTmp = tf->a_block_end->time; |
787 | if(i==0){ |
788 | startSmall = startTmp; |
789 | endBig = endTmp; |
790 | j = 1; |
791 | continue; |
792 | } |
308711e5 |
793 | if(ltt_time_compare(startSmall,startTmp) > 0) startSmall = startTmp; |
794 | if(ltt_time_compare(endBig,endTmp) < 0) endBig = endTmp; |
487ad181 |
795 | } |
796 | |
797 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
798 | tf = g_ptr_array_index(t->per_cpu_tracefiles, i); |
799 | readBlock(tf,1); |
800 | startTmp = tf->a_block_start->time; |
801 | readBlock(tf,tf->block_number); |
802 | endTmp = tf->a_block_end->time; |
803 | if(j == 0 && i==0){ |
804 | startSmall = startTmp; |
805 | endBig = endTmp; |
806 | continue; |
807 | } |
308711e5 |
808 | if(ltt_time_compare(startSmall,startTmp) > 0) startSmall = startTmp; |
809 | if(ltt_time_compare(endBig,endTmp) < 0) endBig = endTmp; |
487ad181 |
810 | } |
811 | |
c02ea99f |
812 | if(start != NULL) *start = startSmall; |
813 | if(end != NULL) *end = endBig; |
487ad181 |
814 | } |
815 | |
816 | |
6cd62ccf |
817 | /***************************************************************************** |
963b5f2d |
818 | *Get the name of a tracefile |
6cd62ccf |
819 | ****************************************************************************/ |
820 | |
963b5f2d |
821 | char *ltt_tracefile_name(LttTracefile *tf) |
6cd62ccf |
822 | { |
963b5f2d |
823 | return tf->name; |
6cd62ccf |
824 | } |
825 | |
80da81ad |
826 | /***************************************************************************** |
827 | * Get the number of blocks in the tracefile |
828 | ****************************************************************************/ |
829 | |
830 | unsigned ltt_tracefile_block_number(LttTracefile *tf) |
831 | { |
832 | return tf->block_number; |
833 | } |
834 | |
6cd62ccf |
835 | /***************************************************************************** |
836 | *Function name |
837 | * ltt_tracefile_seek_time: seek to the first event of the trace with time |
838 | * larger or equal to time |
839 | *Input params |
840 | * t : tracefile |
841 | * time : criteria of the time |
6cd62ccf |
842 | ****************************************************************************/ |
caf7a67a |
843 | void ltt_tracefile_find_time_block(LttTracefile *t, LttTime time, |
844 | int start_block, int end_block) |
845 | { |
846 | int err, tmp_block, s, e; |
847 | int headTime; |
848 | int tailTime; |
849 | |
850 | err=readBlock(t,start_block); |
851 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
852 | if(start_block == end_block)return; |
853 | |
854 | tailTime = ltt_time_compare(t->a_block_end->time, time); |
855 | if(tailTime >= 0) return; |
856 | |
857 | err=readBlock(t,end_block); |
858 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
859 | if(start_block+1 == end_block)return; |
860 | |
861 | headTime = ltt_time_compare(t->a_block_start->time, time); |
862 | if(headTime <= 0 ) return; |
863 | |
864 | tmp_block = (end_block + start_block)/2; |
865 | err=readBlock(t,tmp_block); |
866 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
867 | |
868 | headTime = ltt_time_compare(t->a_block_start->time, time); |
869 | tailTime = ltt_time_compare(t->a_block_end->time, time); |
870 | if(headTime <= 0 && tailTime >= 0) return; |
871 | |
872 | if(headTime > 0){ |
873 | s = start_block + 1; |
874 | e = tmp_block - 1; |
875 | if(s <= e) |
876 | ltt_tracefile_find_time_block(t, time, s, e); |
877 | else return; |
878 | } |
879 | |
880 | if(tailTime < 0){ |
881 | s = tmp_block + 1; |
882 | e = end_block - 1; |
883 | if(s <= e) |
884 | ltt_tracefile_find_time_block(t, time, s, e); |
885 | else return; |
886 | } |
887 | } |
888 | |
889 | void ltt_tracefile_backward_find_time_block(LttTracefile *t, LttTime time) |
890 | { |
891 | int t_time, h_time, err; |
892 | err=readBlock(t,t->which_block-1); |
893 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
894 | h_time = ltt_time_compare(t->a_block_start->time, time); |
895 | t_time = ltt_time_compare(t->a_block_end->time, time); |
896 | if(h_time == 0){ |
897 | int tmp; |
898 | if(t->which_block == 1) return; |
899 | err=readBlock(t,t->which_block-1); |
900 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
901 | tmp = ltt_time_compare(t->a_block_end->time, time); |
902 | if(tmp == 0) return ltt_tracefile_seek_time(t, time); |
903 | err=readBlock(t,t->which_block+1); |
904 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
905 | }else if(h_time > 0){ |
906 | ltt_tracefile_find_time_block(t, time, 1, t->which_block); |
907 | return ltt_tracefile_seek_time(t, time) ; |
908 | }else{ |
909 | if(t_time >= 0) return ltt_tracefile_seek_time(t, time); |
910 | err=readBlock(t,t->which_block+1); |
911 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
912 | } |
913 | } |
6cd62ccf |
914 | |
963b5f2d |
915 | void ltt_tracefile_seek_time(LttTracefile *t, LttTime time) |
6cd62ccf |
916 | { |
917 | int err; |
963b5f2d |
918 | LttTime lttTime; |
308711e5 |
919 | int headTime = ltt_time_compare(t->a_block_start->time, time); |
920 | int tailTime = ltt_time_compare(t->a_block_end->time, time); |
c02ea99f |
921 | LttEvent ev; |
62e55dd6 |
922 | |
6cd62ccf |
923 | if(headTime < 0 && tailTime > 0){ |
308711e5 |
924 | if(ltt_time_compare(t->a_block_end->time, t->current_event_time) !=0) { |
db55eaae |
925 | lttTime = getEventTime(t); |
308711e5 |
926 | err = ltt_time_compare(lttTime, time); |
db55eaae |
927 | if(err > 0){ |
8d1e6362 |
928 | if(t->which_event==2 || ltt_time_compare(t->prev_event_time,time)<0){ |
1a3b8cbd |
929 | return; |
db55eaae |
930 | }else{ |
931 | updateTracefile(t); |
932 | return ltt_tracefile_seek_time(t, time); |
1a3b8cbd |
933 | } |
db55eaae |
934 | }else if(err < 0){ |
935 | while(1){ |
c02ea99f |
936 | if(ltt_tracefile_read(t,&ev) == NULL) { |
db55eaae |
937 | g_print("End of file\n"); |
938 | return; |
939 | } |
940 | lttTime = getEventTime(t); |
308711e5 |
941 | err = ltt_time_compare(lttTime, time); |
db55eaae |
942 | if(err >= 0)return; |
943 | } |
944 | }else return; |
945 | }else{//we are at the end of the block |
946 | updateTracefile(t); |
947 | return ltt_tracefile_seek_time(t, time); |
948 | } |
e37c1372 |
949 | }else if(headTime >= 0){ |
6cd62ccf |
950 | if(t->which_block == 1){ |
951 | updateTracefile(t); |
952 | }else{ |
1ee6a9af |
953 | if(ltt_time_compare(t->prev_block_end_time, time) >= 0 || |
954 | (t->prev_block_end_time.tv_sec == 0 && |
955 | t->prev_block_end_time.tv_nsec == 0 )){ |
caf7a67a |
956 | ltt_tracefile_backward_find_time_block(t, time); |
6cd62ccf |
957 | }else{ |
958 | updateTracefile(t); |
959 | } |
960 | } |
40331ba8 |
961 | }else if(tailTime < 0){ |
6cd62ccf |
962 | if(t->which_block != t->block_number){ |
caf7a67a |
963 | ltt_tracefile_find_time_block(t, time, t->which_block+1, t->block_number); |
964 | return ltt_tracefile_seek_time(t, time); |
963b5f2d |
965 | }else { |
a8c0f09d |
966 | t->cur_event_pos = t->buffer + t->block_size; |
967 | g_print("End of file\n"); |
963b5f2d |
968 | return; |
969 | } |
40331ba8 |
970 | }else if(tailTime == 0){ |
e37c1372 |
971 | t->cur_event_pos = t->last_event_pos; |
62e55dd6 |
972 | t->current_event_time = time; |
973 | t->cur_heart_beat_number = 0; |
974 | t->prev_event_time.tv_sec = 0; |
975 | t->prev_event_time.tv_nsec = 0; |
40331ba8 |
976 | return; |
6cd62ccf |
977 | } |
6cd62ccf |
978 | } |
979 | |
80da81ad |
980 | /***************************************************************************** |
981 | * Seek to the first event with position equal or larger to ep |
18206708 |
982 | * |
983 | * Modified by Mathieu Desnoyers to used faster offset position instead of |
984 | * re-reading the whole buffer. |
80da81ad |
985 | ****************************************************************************/ |
986 | |
04b44e05 |
987 | void ltt_tracefile_seek_position(LttTracefile *t, const LttEventPosition *ep) |
80da81ad |
988 | { |
989 | //if we are at the right place, just return |
990 | if(t->which_block == ep->block_num && t->which_event == ep->event_num) |
991 | return; |
992 | |
993 | if(t->which_block == ep->block_num) updateTracefile(t); |
994 | else readBlock(t,ep->block_num); |
18206708 |
995 | //event offset is available |
80da81ad |
996 | if(ep->old_position){ |
18206708 |
997 | int err; |
998 | |
999 | t->which_event = ep->event_num; |
80da81ad |
1000 | t->cur_event_pos = t->buffer + ep->event_offset; |
18206708 |
1001 | t->prev_event_time = ep->event_time; |
1002 | t->current_event_time = ep->event_time; |
1003 | t->cur_heart_beat_number = ep->heart_beat_number; |
1004 | t->cur_cycle_count = ep->event_cycle_count; |
1005 | |
1006 | /* This is a workaround for fast position seek */ |
1007 | t->last_event_pos = ep->last_event_pos; |
1008 | t->prev_block_end_time = ep->prev_block_end_time; |
1009 | t->prev_event_time = ep->prev_event_time; |
1010 | t->pre_cycle_count = ep->pre_cycle_count; |
1011 | t->count = ep->count; |
1012 | /* end of workaround */ |
1013 | |
1014 | //update the fields of the current event and go to the next event |
1015 | err = skipEvent(t); |
1016 | if(err == ERANGE) g_error("event id is out of range\n"); |
1017 | |
80da81ad |
1018 | return; |
1019 | } |
1020 | |
18206708 |
1021 | //only block number and event index are available |
1022 | //MD: warning : this is slow! |
1023 | g_warning("using slow O(n) tracefile seek position"); |
1024 | |
c02ea99f |
1025 | LttEvent event; |
1026 | while(t->which_event < ep->event_num) ltt_tracefile_read(t, &event); |
80da81ad |
1027 | |
1028 | return; |
1029 | } |
1030 | |
6cd62ccf |
1031 | /***************************************************************************** |
1032 | *Function name |
40331ba8 |
1033 | * ltt_tracefile_read : read the current event, set the pointer to the next |
6cd62ccf |
1034 | *Input params |
1035 | * t : tracefile |
1036 | *Return value |
963b5f2d |
1037 | * LttEvent * : an event to be processed |
6cd62ccf |
1038 | ****************************************************************************/ |
1039 | |
c02ea99f |
1040 | LttEvent *ltt_tracefile_read(LttTracefile *t, LttEvent *event) |
6cd62ccf |
1041 | { |
963b5f2d |
1042 | int err; |
6cd62ccf |
1043 | |
bdc36259 |
1044 | if(t->cur_event_pos == t->buffer + t->block_size){ |
1045 | if(t->which_block == t->block_number){ |
bdc36259 |
1046 | return NULL; |
1047 | } |
1048 | err = readBlock(t, t->which_block + 1); |
1049 | if(err)g_error("Can not read tracefile"); |
1050 | } |
1051 | |
c02ea99f |
1052 | event->event_id = (int)(*(guint16 *)(t->cur_event_pos)); |
1053 | if(event->event_id == TRACE_TIME_HEARTBEAT) |
963b5f2d |
1054 | t->cur_heart_beat_number++; |
6cd62ccf |
1055 | |
40331ba8 |
1056 | t->prev_event_time = t->current_event_time; |
62e55dd6 |
1057 | // t->current_event_time = getEventTime(t); |
6cd62ccf |
1058 | |
c02ea99f |
1059 | event->time_delta = *(guint32 *)(t->cur_event_pos + EVENT_ID_SIZE); |
1060 | event->event_time = t->current_event_time; |
1061 | event->event_cycle_count = t->cur_cycle_count; |
963b5f2d |
1062 | |
c02ea99f |
1063 | event->tracefile = t; |
1064 | event->data = t->cur_event_pos + EVENT_HEADER_SIZE; |
1065 | event->which_block = t->which_block; |
1066 | event->which_event = t->which_event; |
6cd62ccf |
1067 | |
18206708 |
1068 | /* This is a workaround for fast position seek */ |
c02ea99f |
1069 | event->last_event_pos = t->last_event_pos; |
1070 | event->prev_block_end_time = t->prev_block_end_time; |
1071 | event->prev_event_time = t->prev_event_time; |
1072 | event->pre_cycle_count = t->pre_cycle_count; |
1073 | event->count = t->count; |
18206708 |
1074 | /* end of workaround */ |
1075 | |
1076 | |
1077 | |
40331ba8 |
1078 | //update the fields of the current event and go to the next event |
1079 | err = skipEvent(t); |
40331ba8 |
1080 | if(err == ERANGE) g_error("event id is out of range\n"); |
40331ba8 |
1081 | |
c02ea99f |
1082 | return event; |
6cd62ccf |
1083 | } |
1084 | |
1085 | /**************************************************************************** |
1086 | *Function name |
1087 | * readFile : wrap function to read from a file |
1088 | *Input Params |
1089 | * fd : file descriptor |
1090 | * buf : buf to contain the content |
1091 | * size : number of bytes to be read |
1092 | * mesg : message to be printed if some thing goes wrong |
1093 | *return value |
1094 | * 0 : success |
1095 | * EIO : can not read from the file |
1096 | ****************************************************************************/ |
1097 | |
1098 | int readFile(int fd, void * buf, size_t size, char * mesg) |
1099 | { |
8d1e6362 |
1100 | ssize_t nbBytes = read(fd, buf, size); |
1101 | |
1102 | if((size_t)nbBytes != size) { |
1103 | if(nbBytes < 0) { |
1104 | perror("Error in readFile : "); |
1105 | } else { |
1106 | g_warning("%s",mesg); |
1107 | } |
6cd62ccf |
1108 | return EIO; |
1109 | } |
1110 | return 0; |
1111 | } |
1112 | |
1113 | /**************************************************************************** |
1114 | *Function name |
1115 | * readBlock : read a block from the file |
1116 | *Input Params |
1117 | * lttdes : ltt trace file |
1118 | * whichBlock : the block which will be read |
1119 | *return value |
1120 | * 0 : success |
1121 | * EINVAL : lseek fail |
1122 | * EIO : can not read from the file |
1123 | ****************************************************************************/ |
1124 | |
963b5f2d |
1125 | int readBlock(LttTracefile * tf, int whichBlock) |
6cd62ccf |
1126 | { |
1127 | off_t nbBytes; |
cbd41522 |
1128 | guint32 lostSize; |
6cd62ccf |
1129 | |
1130 | if(whichBlock - tf->which_block == 1 && tf->which_block != 0){ |
963b5f2d |
1131 | tf->prev_block_end_time = tf->a_block_end->time; |
40331ba8 |
1132 | tf->prev_event_time = tf->a_block_end->time; |
6cd62ccf |
1133 | }else{ |
1134 | tf->prev_block_end_time.tv_sec = 0; |
1135 | tf->prev_block_end_time.tv_nsec = 0; |
40331ba8 |
1136 | tf->prev_event_time.tv_sec = 0; |
1137 | tf->prev_event_time.tv_nsec = 0; |
6cd62ccf |
1138 | } |
6cd62ccf |
1139 | |
963b5f2d |
1140 | nbBytes=lseek(tf->fd,(off_t)((whichBlock-1)*tf->block_size), SEEK_SET); |
6cd62ccf |
1141 | if(nbBytes == -1) return EINVAL; |
1142 | |
963b5f2d |
1143 | if(readFile(tf->fd,tf->buffer,tf->block_size,"Unable to read a block")) |
1144 | return EIO; |
6cd62ccf |
1145 | |
963b5f2d |
1146 | tf->a_block_start=(BlockStart *) (tf->buffer + EVENT_HEADER_SIZE); |
cbd41522 |
1147 | lostSize = *(guint32 *)(tf->buffer + tf->block_size - sizeof(guint32)); |
963b5f2d |
1148 | tf->a_block_end=(BlockEnd *)(tf->buffer + tf->block_size - |
1149 | lostSize + EVENT_HEADER_SIZE); |
e37c1372 |
1150 | tf->last_event_pos = tf->buffer + tf->block_size - lostSize; |
6cd62ccf |
1151 | |
6cd62ccf |
1152 | tf->which_block = whichBlock; |
963b5f2d |
1153 | tf->which_event = 1; |
40331ba8 |
1154 | tf->cur_event_pos = tf->buffer;//the beginning of the block, block start ev |
6cd62ccf |
1155 | tf->cur_heart_beat_number = 0; |
963b5f2d |
1156 | |
6cd62ccf |
1157 | getCyclePerNsec(tf); |
1158 | |
62e55dd6 |
1159 | tf->current_event_time = getEventTime(tf); |
40331ba8 |
1160 | |
6cd62ccf |
1161 | return 0; |
1162 | } |
1163 | |
1164 | /***************************************************************************** |
1165 | *Function name |
1166 | * updateTracefile : reinitialize the info of the block which is already |
1167 | * in the buffer |
1168 | *Input params |
1169 | * tf : tracefile |
1170 | ****************************************************************************/ |
1171 | |
963b5f2d |
1172 | void updateTracefile(LttTracefile * tf) |
6cd62ccf |
1173 | { |
963b5f2d |
1174 | tf->which_event = 1; |
40331ba8 |
1175 | tf->cur_event_pos = tf->buffer; |
62e55dd6 |
1176 | tf->current_event_time = getEventTime(tf); |
6cd62ccf |
1177 | tf->cur_heart_beat_number = 0; |
1178 | |
1179 | tf->prev_event_time.tv_sec = 0; |
1180 | tf->prev_event_time.tv_nsec = 0; |
1181 | } |
1182 | |
1183 | /***************************************************************************** |
1184 | *Function name |
1185 | * skipEvent : go to the next event, update the fields of the current event |
1186 | *Input params |
1187 | * t : tracefile |
1188 | *return value |
1189 | * 0 : success |
6cd62ccf |
1190 | * ERANGE : event id is out of range |
1191 | ****************************************************************************/ |
1192 | |
963b5f2d |
1193 | int skipEvent(LttTracefile * t) |
6cd62ccf |
1194 | { |
8d1e6362 |
1195 | int evId; |
6cd62ccf |
1196 | void * evData; |
963b5f2d |
1197 | LttEventType * evT; |
1198 | LttField * rootFld; |
6cd62ccf |
1199 | |
cbd41522 |
1200 | evId = (int)(*(guint16 *)(t->cur_event_pos)); |
6cd62ccf |
1201 | evData = t->cur_event_pos + EVENT_HEADER_SIZE; |
6cd62ccf |
1202 | |
908f42fa |
1203 | evT = ltt_trace_eventtype_get(t->trace,(unsigned)evId); |
47a166fc |
1204 | |
908f42fa |
1205 | if(evT) rootFld = evT->root_field; |
1206 | else return ERANGE; |
6cd62ccf |
1207 | |
908f42fa |
1208 | if(rootFld){ |
1209 | //event has string/sequence or the last event is not the same event |
1210 | if((evT->latest_block!=t->which_block || evT->latest_event!=t->which_event) |
1211 | && rootFld->field_fixed == 0){ |
1212 | setFieldsOffset(t, evT, evData, t->trace); |
47a166fc |
1213 | } |
908f42fa |
1214 | t->cur_event_pos += EVENT_HEADER_SIZE + rootFld->field_size; |
1215 | }else t->cur_event_pos += EVENT_HEADER_SIZE; |
1216 | |
1217 | evT->latest_block = t->which_block; |
1218 | evT->latest_event = t->which_event; |
1219 | |
6cd62ccf |
1220 | //the next event is in the next block |
963b5f2d |
1221 | if(evId == TRACE_BLOCK_END){ |
bdc36259 |
1222 | t->cur_event_pos = t->buffer + t->block_size; |
6cd62ccf |
1223 | }else{ |
1224 | t->which_event++; |
62e55dd6 |
1225 | t->current_event_time = getEventTime(t); |
6cd62ccf |
1226 | } |
1227 | |
1228 | return 0; |
1229 | } |
1230 | |
18206708 |
1231 | |
6cd62ccf |
1232 | /***************************************************************************** |
1233 | *Function name |
1234 | * getCyclePerNsec : calculate cycles per nsec for current block |
1235 | *Input Params |
1236 | * t : tracefile |
1237 | ****************************************************************************/ |
1238 | |
963b5f2d |
1239 | void getCyclePerNsec(LttTracefile * t) |
6cd62ccf |
1240 | { |
963b5f2d |
1241 | LttTime lBufTotalTime; /* Total time for this buffer */ |
1242 | LttCycleCount lBufTotalNSec; /* Total time for this buffer in nsecs */ |
1243 | LttCycleCount lBufTotalCycle;/* Total cycles for this buffer */ |
6cd62ccf |
1244 | |
1245 | /* Calculate the total time for this buffer */ |
308711e5 |
1246 | lBufTotalTime = ltt_time_sub(t->a_block_end->time, t->a_block_start->time); |
6cd62ccf |
1247 | |
1248 | /* Calculate the total cycles for this bufffer */ |
e4eced0f |
1249 | lBufTotalCycle = t->a_block_end->cycle_count; |
1250 | lBufTotalCycle -= t->a_block_start->cycle_count; |
6cd62ccf |
1251 | |
1252 | /* Convert the total time to nsecs */ |
e4eced0f |
1253 | lBufTotalNSec = lBufTotalTime.tv_sec; |
308711e5 |
1254 | lBufTotalNSec *= NANOSECONDS_PER_SECOND; |
e4eced0f |
1255 | lBufTotalNSec += lBufTotalTime.tv_nsec; |
6cd62ccf |
1256 | |
1257 | t->cycle_per_nsec = (double)lBufTotalCycle / (double)lBufTotalNSec; |
1258 | } |
1259 | |
1260 | /**************************************************************************** |
1261 | *Function name |
1262 | * getEventTime : obtain the time of an event |
1263 | *Input params |
1264 | * tf : tracefile |
1265 | *Return value |
963b5f2d |
1266 | * LttTime : the time of the event |
6cd62ccf |
1267 | ****************************************************************************/ |
1268 | |
963b5f2d |
1269 | LttTime getEventTime(LttTracefile * tf) |
6cd62ccf |
1270 | { |
963b5f2d |
1271 | LttTime time; |
1272 | LttCycleCount cycle_count; // cycle count for the current event |
1273 | LttCycleCount lEventTotalCycle; // Total cycles from start for event |
338d4282 |
1274 | LttCycleCount lEventNSec; // Total usecs from start for event |
963b5f2d |
1275 | LttTime lTimeOffset; // Time offset in struct LttTime |
cbd41522 |
1276 | guint16 evId; |
338d4282 |
1277 | LttCycleCount tmpCycleCount = (((LttCycleCount)1)<<32); |
e4eced0f |
1278 | |
cbd41522 |
1279 | evId = *(guint16 *)tf->cur_event_pos; |
e4eced0f |
1280 | if(evId == TRACE_BLOCK_START){ |
dd691a2e |
1281 | tf->count = 0; |
1282 | tf->pre_cycle_count = 0; |
e4eced0f |
1283 | tf->cur_cycle_count = tf->a_block_start->cycle_count; |
40331ba8 |
1284 | return tf->a_block_start->time; |
e4eced0f |
1285 | }else if(evId == TRACE_BLOCK_END){ |
dd691a2e |
1286 | tf->count = 0; |
1287 | tf->pre_cycle_count = 0; |
e4eced0f |
1288 | tf->cur_cycle_count = tf->a_block_end->cycle_count; |
40331ba8 |
1289 | return tf->a_block_end->time; |
e4eced0f |
1290 | } |
40331ba8 |
1291 | |
e4eced0f |
1292 | // Calculate total time in cycles from start of buffer for this event |
cbd41522 |
1293 | cycle_count = (LttCycleCount)*(guint32 *)(tf->cur_event_pos + EVENT_ID_SIZE); |
e4eced0f |
1294 | |
dd691a2e |
1295 | if(cycle_count < tf->pre_cycle_count)tf->count++; |
1296 | tf->pre_cycle_count = cycle_count; |
1297 | cycle_count += tmpCycleCount * tf->count; |
e4eced0f |
1298 | |
e9b34357 |
1299 | // if(tf->cur_heart_beat_number > tf->count) |
1300 | // cycle_count += tmpCycleCount * (tf->cur_heart_beat_number - tf->count); |
e4eced0f |
1301 | |
1302 | tf->cur_cycle_count = cycle_count; |
1303 | |
1304 | lEventTotalCycle = cycle_count; |
1305 | lEventTotalCycle -= tf->a_block_start->cycle_count; |
6cd62ccf |
1306 | |
963b5f2d |
1307 | // Convert it to nsecs |
338d4282 |
1308 | lEventNSec = (double)lEventTotalCycle / (double)tf->cycle_per_nsec; |
e4eced0f |
1309 | |
963b5f2d |
1310 | // Determine offset in struct LttTime |
338d4282 |
1311 | lTimeOffset.tv_nsec = lEventNSec % NANOSECONDS_PER_SECOND; |
1312 | lTimeOffset.tv_sec = lEventNSec / NANOSECONDS_PER_SECOND; |
6cd62ccf |
1313 | |
308711e5 |
1314 | time = ltt_time_add(tf->a_block_start->time, lTimeOffset); |
e4eced0f |
1315 | |
6cd62ccf |
1316 | return time; |
1317 | } |
1318 | |
1319 | /***************************************************************************** |
1320 | *Function name |
1321 | * setFieldsOffset : set offset of the fields |
1322 | *Input params |
1323 | * tracefile : opened trace file |
1324 | * evT : the event type |
1325 | * evD : event data, it may be NULL |
1326 | ****************************************************************************/ |
1327 | |
40331ba8 |
1328 | void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace* t) |
6cd62ccf |
1329 | { |
963b5f2d |
1330 | LttField * rootFld = evT->root_field; |
6cd62ccf |
1331 | // rootFld->base_address = evD; |
1332 | |
8710c6c7 |
1333 | if(rootFld) |
1334 | rootFld->field_size = getFieldtypeSize(tf, evT, 0,0,rootFld, evD,t); |
6cd62ccf |
1335 | } |
1336 | |
1337 | /***************************************************************************** |
1338 | *Function name |
1339 | * getFieldtypeSize: get the size of the field type (primitive type) |
1340 | *Input params |
1341 | * tracefile : opened trace file |
1342 | * evT : event type |
1343 | * offsetRoot : offset from the root |
1344 | * offsetParent : offset from the parrent |
1345 | * fld : field |
1346 | * evD : event data, it may be NULL |
1347 | *Return value |
1348 | * int : size of the field |
1349 | ****************************************************************************/ |
1350 | |
963b5f2d |
1351 | int getFieldtypeSize(LttTracefile * t, LttEventType * evT, int offsetRoot, |
40331ba8 |
1352 | int offsetParent, LttField * fld, void *evD, LttTrace *trace) |
6cd62ccf |
1353 | { |
1354 | int size, size1, element_number, i, offset1, offset2; |
963b5f2d |
1355 | LttType * type = fld->field_type; |
6cd62ccf |
1356 | |
8710c6c7 |
1357 | if(t){ |
963b5f2d |
1358 | if(evT->latest_block==t->which_block && evT->latest_event==t->which_event){ |
1359 | return fld->field_size; |
1360 | } |
1361 | } |
6cd62ccf |
1362 | |
1363 | if(fld->field_fixed == 1){ |
1364 | if(fld == evT->root_field) return fld->field_size; |
1365 | } |
1366 | |
cf74a6f1 |
1367 | switch(type->type_class) { |
1368 | case LTT_ARRAY: |
1369 | element_number = (int) type->element_number; |
1370 | if(fld->field_fixed == -1){ |
1371 | size = getFieldtypeSize(t, evT, offsetRoot, |
1372 | 0,fld->child[0], NULL, trace); |
1373 | if(size == 0){ //has string or sequence |
1374 | fld->field_fixed = 0; |
1375 | }else{ |
1376 | fld->field_fixed = 1; |
1377 | size *= element_number; |
1378 | } |
1379 | }else if(fld->field_fixed == 0){// has string or sequence |
1380 | size = 0; |
1381 | for(i=0;i<element_number;i++){ |
1382 | size += getFieldtypeSize(t, evT, offsetRoot+size,size, |
1383 | fld->child[0], evD+size, trace); |
1384 | } |
1385 | }else size = fld->field_size; |
1386 | break; |
1387 | |
1388 | case LTT_SEQUENCE: |
1389 | size1 = (int) ltt_type_size(trace, type); |
1390 | if(fld->field_fixed == -1){ |
1391 | fld->sequ_number_size = size1; |
1392 | fld->field_fixed = 0; |
1393 | size = getFieldtypeSize(t, evT, offsetRoot, |
1394 | 0,fld->child[0], NULL, trace); |
1395 | fld->element_size = size; |
1396 | }else{//0: sequence |
1397 | element_number = getIntNumber(size1,evD); |
1398 | type->element_number = element_number; |
1399 | if(fld->element_size > 0){ |
1400 | size = element_number * fld->element_size; |
1401 | }else{//sequence has string or sequence |
1402 | size = 0; |
1403 | for(i=0;i<element_number;i++){ |
1404 | size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1, |
1405 | fld->child[0], evD+size+size1, trace); |
1406 | } |
1407 | } |
1408 | size += size1; |
1409 | } |
1410 | break; |
1411 | |
1412 | case LTT_STRING: |
1413 | size = 0; |
1414 | if(fld->field_fixed == -1){ |
1415 | fld->field_fixed = 0; |
1416 | }else{//0: string |
1417 | size = strlen((char*)evD) + 1; //include end : '\0' |
1418 | } |
1419 | break; |
1420 | |
1421 | case LTT_STRUCT: |
1422 | element_number = (int) type->element_number; |
1423 | size = 0; |
1424 | if(fld->field_fixed == -1){ |
1425 | offset1 = offsetRoot; |
1426 | offset2 = 0; |
1427 | for(i=0;i<element_number;i++){ |
1428 | size1=getFieldtypeSize(t, evT,offset1,offset2, |
1429 | fld->child[i], NULL, trace); |
1430 | if(size1 > 0 && size >= 0){ |
1431 | size += size1; |
1432 | if(offset1 >= 0) offset1 += size1; |
1433 | offset2 += size1; |
1434 | }else{ |
1435 | size = -1; |
1436 | offset1 = -1; |
1437 | offset2 = -1; |
1438 | } |
1439 | } |
1440 | if(size == -1){ |
1441 | fld->field_fixed = 0; |
1442 | size = 0; |
1443 | }else fld->field_fixed = 1; |
1444 | }else if(fld->field_fixed == 0){ |
1445 | offset1 = offsetRoot; |
1446 | offset2 = 0; |
1447 | for(i=0;i<element_number;i++){ |
1448 | size=getFieldtypeSize(t,evT,offset1,offset2, |
1449 | fld->child[i],evD+offset2, trace); |
1450 | offset1 += size; |
1451 | offset2 += size; |
1452 | } |
1453 | size = offset2; |
1454 | }else size = fld->field_size; |
1455 | break; |
1456 | |
1457 | default: |
1458 | if(fld->field_fixed == -1){ |
1459 | size = (int) ltt_type_size(trace, type); |
1460 | fld->field_fixed = 1; |
1461 | }else size = fld->field_size; |
1462 | break; |
1463 | } |
1464 | |
1465 | |
1466 | |
1467 | #if 0 |
6cd62ccf |
1468 | if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY && |
1469 | type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){ |
1470 | if(fld->field_fixed == -1){ |
40331ba8 |
1471 | size = (int) ltt_type_size(trace, type); |
6cd62ccf |
1472 | fld->field_fixed = 1; |
1473 | }else size = fld->field_size; |
1474 | |
1475 | }else if(type->type_class == LTT_ARRAY){ |
1476 | element_number = (int) type->element_number; |
1477 | if(fld->field_fixed == -1){ |
40331ba8 |
1478 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace); |
6cd62ccf |
1479 | if(size == 0){ //has string or sequence |
1480 | fld->field_fixed = 0; |
1481 | }else{ |
1482 | fld->field_fixed = 1; |
1483 | size *= element_number; |
1484 | } |
1485 | }else if(fld->field_fixed == 0){// has string or sequence |
1486 | size = 0; |
1487 | for(i=0;i<element_number;i++){ |
1488 | size += getFieldtypeSize(t, evT, offsetRoot+size,size, |
40331ba8 |
1489 | fld->child[0], evD+size, trace); |
6cd62ccf |
1490 | } |
1491 | }else size = fld->field_size; |
1492 | |
1493 | }else if(type->type_class == LTT_SEQUENCE){ |
40331ba8 |
1494 | size1 = (int) ltt_type_size(trace, type); |
6cd62ccf |
1495 | if(fld->field_fixed == -1){ |
908f42fa |
1496 | fld->sequ_number_size = size1; |
6cd62ccf |
1497 | fld->field_fixed = 0; |
40331ba8 |
1498 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace); |
6cd62ccf |
1499 | fld->element_size = size; |
1500 | }else{//0: sequence |
1501 | element_number = getIntNumber(size1,evD); |
1502 | type->element_number = element_number; |
1503 | if(fld->element_size > 0){ |
1504 | size = element_number * fld->element_size; |
1505 | }else{//sequence has string or sequence |
1506 | size = 0; |
1507 | for(i=0;i<element_number;i++){ |
1508 | size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1, |
40331ba8 |
1509 | fld->child[0], evD+size+size1, trace); |
6cd62ccf |
1510 | } |
1511 | } |
1512 | size += size1; |
1513 | } |
1514 | |
1515 | }else if(type->type_class == LTT_STRING){ |
1516 | size = 0; |
1517 | if(fld->field_fixed == -1){ |
1518 | fld->field_fixed = 0; |
1519 | }else{//0: string |
47a166fc |
1520 | size = strlen((char*)evD) + 1; //include end : '\0' |
6cd62ccf |
1521 | } |
1522 | |
1523 | }else if(type->type_class == LTT_STRUCT){ |
1524 | element_number = (int) type->element_number; |
1525 | size = 0; |
1526 | if(fld->field_fixed == -1){ |
1527 | offset1 = offsetRoot; |
1528 | offset2 = 0; |
1529 | for(i=0;i<element_number;i++){ |
40331ba8 |
1530 | size1=getFieldtypeSize(t, evT,offset1,offset2, fld->child[i], NULL, trace); |
6cd62ccf |
1531 | if(size1 > 0 && size >= 0){ |
1532 | size += size1; |
1533 | if(offset1 >= 0) offset1 += size1; |
1534 | offset2 += size1; |
1535 | }else{ |
1536 | size = -1; |
1537 | offset1 = -1; |
1538 | offset2 = -1; |
1539 | } |
1540 | } |
1541 | if(size == -1){ |
1542 | fld->field_fixed = 0; |
1543 | size = 0; |
1544 | }else fld->field_fixed = 1; |
1545 | }else if(fld->field_fixed == 0){ |
1546 | offset1 = offsetRoot; |
1547 | offset2 = 0; |
1548 | for(i=0;i<element_number;i++){ |
40331ba8 |
1549 | size=getFieldtypeSize(t,evT,offset1,offset2,fld->child[i],evD+offset2, trace); |
6cd62ccf |
1550 | offset1 += size; |
1551 | offset2 += size; |
1552 | } |
1553 | size = offset2; |
1554 | }else size = fld->field_size; |
1555 | } |
cf74a6f1 |
1556 | #endif //0 |
6cd62ccf |
1557 | |
1558 | fld->offset_root = offsetRoot; |
1559 | fld->offset_parent = offsetParent; |
1560 | if(!evD){ |
1561 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1562 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
1563 | } |
1564 | fld->field_size = size; |
1565 | |
1566 | return size; |
1567 | } |
1568 | |
6cd62ccf |
1569 | |
1570 | /***************************************************************************** |
1571 | *Function name |
1572 | * getIntNumber : get an integer number |
1573 | *Input params |
1574 | * size : the size of the integer |
1575 | * evD : the event data |
1576 | *Return value |
cf74a6f1 |
1577 | * gint64 : a 64 bits integer |
6cd62ccf |
1578 | ****************************************************************************/ |
1579 | |
cf74a6f1 |
1580 | gint64 getIntNumber(int size, void *evD) |
6cd62ccf |
1581 | { |
cbd41522 |
1582 | gint64 i; |
cf74a6f1 |
1583 | |
1584 | switch(size) { |
1585 | case 1: i = *(gint8 *)evD; break; |
1586 | case 2: i = *(gint16 *)evD; break; |
1587 | case 4: i = *(gint32 *)evD; break; |
1588 | case 8: i = *(gint64 *)evD; break; |
1589 | default: i = *(gint64 *)evD; |
1590 | g_critical("getIntNumber : integer size %d unknown", size); |
1591 | break; |
1592 | } |
1593 | |
1594 | #if 0 |
cbd41522 |
1595 | if(size == 1) i = *(gint8 *)evD; |
1596 | else if(size == 2) i = *(gint16 *)evD; |
1597 | else if(size == 4) i = *(gint32 *)evD; |
1598 | else if(size == 8) i = *(gint64 *)evD; |
cf74a6f1 |
1599 | #endif //0 |
1600 | |
1601 | return (gint64)i; |
6cd62ccf |
1602 | } |
1603 | |
1604 | /***************************************************************************** |
1605 | *Function name |
1606 | * getDataEndianType : get the data type size and endian type of the local |
1607 | * machine |
1608 | *Input params |
1609 | * size : size of data type |
1610 | * endian : endian type, little or big |
1611 | ****************************************************************************/ |
1612 | |
963b5f2d |
1613 | void getDataEndianType(LttArchSize * size, LttArchEndian * endian) |
6cd62ccf |
1614 | { |
1615 | int i = 1; |
1616 | char c = (char) i; |
1617 | int sizeInt=sizeof(int), sizeLong=sizeof(long), sizePointer=sizeof(void *); |
1618 | |
1619 | if(c == 1) *endian = LTT_LITTLE_ENDIAN; |
1620 | else *endian = LTT_BIG_ENDIAN; |
1621 | |
1622 | if(sizeInt == 2 && sizeLong == 4 && sizePointer == 4) |
1623 | *size = LTT_LP32; |
1624 | else if(sizeInt == 4 && sizeLong == 4 && sizePointer == 4) |
1625 | *size = LTT_ILP32; |
1626 | else if(sizeInt == 4 && sizeLong == 8 && sizePointer == 8) |
1627 | *size = LTT_LP64; |
1628 | else if(sizeInt == 8 && sizeLong == 8 && sizePointer == 8) |
1629 | *size = LTT_ILP64; |
1630 | else *size = LTT_UNKNOWN; |
1631 | } |
1632 | |
a5dcde2f |
1633 | /* get the node name of the system */ |
1634 | |
1635 | char * ltt_trace_system_description_node_name (LttSystemDescription * s) |
1636 | { |
1637 | return s->node_name; |
1638 | } |
1639 | |
1640 | |
1641 | /* get the domain name of the system */ |
1642 | |
1643 | char * ltt_trace_system_description_domain_name (LttSystemDescription * s) |
1644 | { |
1645 | return s->domain_name; |
1646 | } |
1647 | |
1648 | |
1649 | /* get the description of the system */ |
1650 | |
1651 | char * ltt_trace_system_description_description (LttSystemDescription * s) |
1652 | { |
1653 | return s->description; |
1654 | } |
1655 | |
1656 | |
1657 | /* get the start time of the trace */ |
1658 | |
1659 | LttTime ltt_trace_system_description_trace_start_time(LttSystemDescription *s) |
1660 | { |
1661 | return s->trace_start; |
1662 | } |
1663 | |
18206708 |
1664 | |
1665 | LttTracefile *ltt_tracefile_new() |
1666 | { |
1667 | return g_new(LttTracefile, 1); |
1668 | } |
1669 | |
1670 | void ltt_tracefile_destroy(LttTracefile *tf) |
1671 | { |
1672 | g_free(tf); |
1673 | } |
1674 | |
1675 | void ltt_tracefile_copy(LttTracefile *dest, const LttTracefile *src) |
1676 | { |
1677 | *dest = *src; |
1678 | } |
1679 | |