6cd62ccf |
1 | #include <stdio.h> |
2 | #include <fcntl.h> |
3 | #include <sys/stat.h> |
4 | #include <sys/types.h> |
963b5f2d |
5 | #include <dirent.h> |
6cd62ccf |
6 | #include <linux/errno.h> |
7 | |
fcdf0ec2 |
8 | #include <ltt/LTTTypes.h> |
6cd62ccf |
9 | #include "parser.h" |
963b5f2d |
10 | #include <ltt/trace.h> |
6cd62ccf |
11 | |
963b5f2d |
12 | #define DIR_NAME_SIZE 256 |
6cd62ccf |
13 | |
14 | /* set the offset of the fields belonging to the event, |
15 | need the information of the archecture */ |
963b5f2d |
16 | void setFieldsOffset(LttTracefile * t, LttEventType *evT, void *evD); |
6cd62ccf |
17 | |
18 | /* get the size of the field type according to the archtecture's |
19 | size and endian type(info of the archecture) */ |
963b5f2d |
20 | int getFieldtypeSize(LttTracefile * t, LttEventType * evT, int offsetRoot, |
21 | int offsetParent, LttField * fld, void * evD ); |
6cd62ccf |
22 | |
23 | /* read a fixed size or a block information from the file (fd) */ |
24 | int readFile(int fd, void * buf, size_t size, char * mesg); |
963b5f2d |
25 | int readBlock(LttTracefile * tf, int whichBlock); |
6cd62ccf |
26 | |
27 | /* calculate cycles per nsec for current block */ |
963b5f2d |
28 | void getCyclePerNsec(LttTracefile * t); |
6cd62ccf |
29 | |
30 | /* reinitialize the info of the block which is already in the buffer */ |
963b5f2d |
31 | void updateTracefile(LttTracefile * tf); |
6cd62ccf |
32 | |
33 | /* go to the next event */ |
963b5f2d |
34 | int skipEvent(LttTracefile * t); |
6cd62ccf |
35 | |
963b5f2d |
36 | /* compare two time (LttTime), 0:t1=t2, -1:t1<t2, 1:t1>t2 */ |
37 | int timecmp(LttTime * t1, LttTime * t2); |
6cd62ccf |
38 | |
39 | /* get an integer number */ |
40 | int getIntNumber(int size1, void *evD); |
41 | |
42 | |
963b5f2d |
43 | /* Time operation macros for LttTime (struct timespec) */ |
6cd62ccf |
44 | /* (T3 = T2 - T1) */ |
45 | #define TimeSub(T3, T2, T1) \ |
46 | do \ |
47 | {\ |
48 | (T3).tv_sec = (T2).tv_sec - (T1).tv_sec; \ |
49 | (T3).tv_nsec = (T2).tv_nsec - (T1).tv_nsec; \ |
50 | if((T3).tv_nsec < 0)\ |
51 | {\ |
52 | (T3).tv_sec--;\ |
53 | (T3).tv_nsec += 1000000000;\ |
54 | }\ |
55 | } while(0) |
56 | |
57 | /* (T3 = T2 + T1) */ |
58 | #define TimeAdd(T3, T2, T1) \ |
59 | do \ |
60 | {\ |
61 | (T3).tv_sec = (T2).tv_sec + (T1).tv_sec; \ |
62 | (T3).tv_nsec = (T2).tv_nsec + (T1).tv_nsec; \ |
63 | if((T3).tv_nsec >= 1000000000)\ |
64 | {\ |
65 | (T3).tv_sec += (T3).tv_nsec / 1000000000;\ |
66 | (T3).tv_nsec = (T3).tv_nsec % 1000000000;\ |
67 | }\ |
68 | } while(0) |
69 | |
70 | |
71 | |
72 | /***************************************************************************** |
73 | *Function name |
963b5f2d |
74 | * ltt_tracefile_open : open a trace file, construct a LttTracefile |
6cd62ccf |
75 | *Input params |
963b5f2d |
76 | * t : the trace containing the tracefile |
77 | * fileName : path name of the trace file |
6cd62ccf |
78 | *Return value |
963b5f2d |
79 | * : a pointer to a tracefile |
6cd62ccf |
80 | ****************************************************************************/ |
81 | |
963b5f2d |
82 | LttTracefile* ltt_tracefile_open(LttTrace * t, char * fileName) |
6cd62ccf |
83 | { |
963b5f2d |
84 | LttTracefile * tf; |
85 | struct stat lTDFStat; /* Trace data file status */ |
86 | BlockStart a_block_start; |
6cd62ccf |
87 | |
963b5f2d |
88 | tf = g_new(LttTracefile, 1); |
6cd62ccf |
89 | |
90 | //open the file |
963b5f2d |
91 | tf->name = g_strdup(fileName); |
92 | tf->trace = t; |
6cd62ccf |
93 | tf->fd = open(fileName, O_RDONLY, 0); |
94 | if(tf->fd < 0){ |
95 | g_error("Unable to open input data file %s\n", fileName); |
96 | } |
97 | |
98 | // Get the file's status |
99 | if(fstat(tf->fd, &lTDFStat) < 0){ |
100 | g_error("Unable to get the status of the input data file %s\n", fileName); |
101 | } |
102 | |
103 | // Is the file large enough to contain a trace |
963b5f2d |
104 | if(lTDFStat.st_size < sizeof(BlockStart) + EVENT_HEADER_SIZE){ |
6cd62ccf |
105 | g_error("The input data file %s does not contain a trace\n", fileName); |
106 | } |
107 | |
108 | //store the size of the file |
109 | tf->file_size = lTDFStat.st_size; |
963b5f2d |
110 | tf->block_size = t->system_description->ltt_block_size; |
111 | tf->block_number = tf->file_size / tf->block_size; |
112 | tf->which_block = 0; |
6cd62ccf |
113 | |
114 | //allocate memory to contain the info of a block |
963b5f2d |
115 | tf->buffer = (void *) g_new(char, t->system_description->ltt_block_size); |
6cd62ccf |
116 | |
963b5f2d |
117 | //read the first block |
118 | if(readBlock(tf,1)) exit(1); |
6cd62ccf |
119 | |
120 | return tf; |
121 | } |
122 | |
6cd62ccf |
123 | |
124 | /***************************************************************************** |
963b5f2d |
125 | *Open control and per cpu tracefiles |
6cd62ccf |
126 | ****************************************************************************/ |
127 | |
963b5f2d |
128 | void ltt_tracefile_open_cpu(LttTrace *t, char * tracefile_name) |
6cd62ccf |
129 | { |
963b5f2d |
130 | LttTracefile * tf; |
131 | tf = ltt_tracefile_open(t,tracefile_name); |
132 | t->per_cpu_tracefile_number++; |
133 | g_ptr_array_add(t->per_cpu_tracefiles, tf); |
6cd62ccf |
134 | } |
135 | |
963b5f2d |
136 | void ltt_tracefile_open_control(LttTrace *t, char * control_name) |
6cd62ccf |
137 | { |
963b5f2d |
138 | LttTracefile * tf; |
139 | LttEvent * ev; |
140 | LttFacility * f; |
141 | uint16_t evId; |
142 | void * pos; |
143 | FacilityLoad fLoad; |
144 | int i; |
145 | |
146 | tf = ltt_tracefile_open(t,control_name); |
147 | t->control_tracefile_number++; |
148 | g_ptr_array_add(t->control_tracefiles,tf); |
149 | |
150 | //parse facilities tracefile to get base_id |
151 | if(strcmp(control_name,"facilities") ==0){ |
152 | while(1){ |
153 | evId = *(uint16_t*)tf->cur_event_pos; |
154 | if(evId == TRACE_FACILITY_LOAD){ |
155 | pos = tf->cur_event_pos + EVENT_HEADER_SIZE; |
156 | fLoad.name = (char*)pos; |
157 | fLoad.checksum = *(LttChecksum*)(pos + sizeof(pos)); |
158 | fLoad.base_code = *(uint32_t*)(pos + sizeof(pos) + sizeof(LttChecksum)); |
159 | |
160 | for(i=0;i<t->facility_number;i++){ |
161 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
162 | if(strcmp(f->name,fLoad.name)==0 && fLoad.checksum==f->checksum){ |
163 | f->base_id = fLoad.base_code; |
164 | break; |
165 | } |
166 | } |
167 | if(i==t->facility_number) |
168 | g_error("Facility: %s, checksum: %d is not founded\n", |
169 | fLoad.name,fLoad.checksum); |
170 | |
171 | ev = ltt_tracefile_read(tf); //get next event |
172 | if(!ev) break; //end of tracefile |
173 | }else if(evId == TRACE_BLOCK_END){ |
174 | //can only reach here if it is the first event |
175 | g_error("Facilities does not contain any facility_load event\n"); |
176 | }else g_error("Not valid facilities trace file\n"); |
177 | } |
178 | } |
6cd62ccf |
179 | } |
180 | |
181 | /***************************************************************************** |
182 | *Function name |
963b5f2d |
183 | * ltt_tracefile_close: close a trace file, |
6cd62ccf |
184 | *Input params |
963b5f2d |
185 | * t : tracefile which will be closed |
6cd62ccf |
186 | ****************************************************************************/ |
187 | |
963b5f2d |
188 | void ltt_tracefile_close(LttTracefile *t) |
6cd62ccf |
189 | { |
963b5f2d |
190 | g_free(t->name); |
191 | g_free(t->buffer); |
192 | g_free(t); |
193 | } |
6cd62ccf |
194 | |
6cd62ccf |
195 | |
963b5f2d |
196 | /***************************************************************************** |
197 | *Get system information |
198 | ****************************************************************************/ |
199 | void getSystemInfo(LttSystemDescription* des, char * pathname) |
200 | { |
201 | FILE * fp; |
202 | int i; |
203 | int entry_number = 15; |
204 | char buf[DIR_NAME_SIZE]; |
205 | char description[4*DIR_NAME_SIZE]; |
206 | char * ptr; |
207 | |
208 | fp = fopen(pathname,"r"); |
209 | if(!fp){ |
210 | g_error("Can not open file : %s\n", pathname); |
6cd62ccf |
211 | } |
963b5f2d |
212 | |
213 | while(fgets(buf,DIR_NAME_SIZE, fp)!= NULL){ |
214 | ptr = buf; |
215 | while(isspace(*ptr)) ptr++; |
216 | if(strlen(ptr) == 0) continue; |
217 | break; |
6cd62ccf |
218 | } |
219 | |
963b5f2d |
220 | if(strlen(ptr) == 0) g_error("Not a valid file: %s\n", pathname); |
221 | if(strncmp("<system",ptr,7) !=0)g_error("Not a valid file: %s\n", pathname); |
222 | |
223 | for(i=0;i<entry_number;i++){ |
224 | if(fgets(buf,DIR_NAME_SIZE, fp)== NULL) |
225 | g_error("Not a valid file: %s\n", pathname); |
226 | ptr = buf; |
227 | while(isspace(*ptr)) ptr++; |
228 | switch(i){ |
229 | case 0: |
230 | if(strncmp("node_name=",ptr,10)!=0) |
231 | g_error("Not a valid file: %s\n", pathname); |
232 | des->node_name = g_strdup(ptr+10); |
233 | break; |
234 | case 1: |
235 | if(strncmp("domainname=",ptr,11)!=0) |
236 | g_error("Not a valid file: %s\n", pathname); |
237 | des->domain_name = g_strdup(ptr+11); |
238 | break; |
239 | case 2: |
240 | if(strncmp("cpu=",ptr,4)!=0) |
241 | g_error("Not a valid file: %s\n", pathname); |
242 | des->nb_cpu = (unsigned)atoi(ptr+4); |
243 | break; |
244 | case 3: |
245 | if(strncmp("arch_size=",ptr,10)!=0) |
246 | g_error("Not a valid file: %s\n", pathname); |
247 | if(strcmp(ptr+10,"\"LP32\"") == 0) des->size = LTT_LP32; |
248 | else if(strcmp(ptr+10,"\"ILP32\"") == 0) des->size = LTT_ILP32; |
249 | else if(strcmp(ptr+10,"\"LP64\"") == 0) des->size = LTT_LP64; |
250 | else if(strcmp(ptr+10,"\"ILP64\"") == 0) des->size = LTT_ILP64; |
251 | else if(strcmp(ptr+10,"\"UNKNOWN\"") == 0) des->size = LTT_UNKNOWN; |
252 | break; |
253 | case 4: |
254 | if(strncmp("endian=",ptr,7)!=0) |
255 | g_error("Not a valid file: %s\n", pathname); |
256 | if(strcmp(ptr+7,"\"LITTLE_ENDIAN\"") == 0) |
257 | des->endian = LTT_LITTLE_ENDIAN; |
258 | else if(strcmp(ptr+7,"\"BIG_ENDIAN\"") == 0) |
259 | des->endian = LTT_BIG_ENDIAN; |
260 | break; |
261 | case 5: |
262 | if(strncmp("kernel_name=",ptr,12)!=0) |
263 | g_error("Not a valid file: %s\n", pathname); |
264 | des->kernel_name = g_strdup(ptr+12); |
265 | break; |
266 | case 6: |
267 | if(strncmp("kernel_release=",ptr,15)!=0) |
268 | g_error("Not a valid file: %s\n", pathname); |
269 | des->kernel_release = g_strdup(ptr+15); |
270 | break; |
271 | case 7: |
272 | if(strncmp("kernel_version=",ptr,15)!=0) |
273 | g_error("Not a valid file: %s\n", pathname); |
274 | des->kernel_version = g_strdup(ptr+15); |
275 | break; |
276 | case 8: |
277 | if(strncmp("machine=",ptr,8)!=0) |
278 | g_error("Not a valid file: %s\n", pathname); |
279 | des->machine = g_strdup(ptr+8); |
280 | break; |
281 | case 9: |
282 | if(strncmp("processor=",ptr,10)!=0) |
283 | g_error("Not a valid file: %s\n", pathname); |
284 | des->processor = g_strdup(ptr+10); |
285 | break; |
286 | case 10: |
287 | if(strncmp("hardware_platform=",ptr,18)!=0) |
288 | g_error("Not a valid file: %s\n", pathname); |
289 | des->hardware_platform = g_strdup(ptr+18); |
290 | break; |
291 | case 11: |
292 | if(strncmp("operating_system=",ptr,17)!=0) |
293 | g_error("Not a valid file: %s\n", pathname); |
294 | des->operating_system = g_strdup(ptr+17); |
295 | break; |
296 | case 12: |
297 | if(strncmp("ltt_major_version=",ptr,18)!=0) |
298 | g_error("Not a valid file: %s\n", pathname); |
299 | ptr += 18; |
300 | ptr++;//skip begining " |
301 | ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
302 | des->ltt_major_version = (unsigned)atoi(ptr); |
303 | break; |
304 | case 13: |
305 | if(strncmp("ltt_minor_version=",ptr,18)!=0) |
306 | g_error("Not a valid file: %s\n", pathname); |
307 | ptr += 18; |
308 | ptr++;//skip begining " |
309 | ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
310 | des->ltt_minor_version = (unsigned)atoi(ptr); |
311 | break; |
312 | case 14: |
313 | if(strncmp("ltt_block_size=",ptr,15)!=0) |
314 | g_error("Not a valid file: %s\n", pathname); |
315 | ptr += 15; |
316 | ptr++;//skip begining " |
317 | ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
318 | des->ltt_block_size = (unsigned)atoi(ptr); |
319 | break; |
320 | default: |
321 | g_error("Not a valid file: %s\n", pathname); |
322 | } |
6cd62ccf |
323 | } |
324 | |
963b5f2d |
325 | //get description |
326 | description[0] = '\0'; |
327 | if(fgets(buf,DIR_NAME_SIZE, fp)== NULL) |
328 | g_error("Not a valid file: %s\n", pathname); |
329 | ptr = buf; |
330 | while(isspace(*ptr)) ptr++; |
331 | if(*ptr != '>') g_error("Not a valid file: %s\n", pathname); |
332 | while((ptr=fgets(buf,DIR_NAME_SIZE, fp))!= NULL){ |
333 | ptr = buf; |
334 | while(isspace(*ptr)) ptr++; |
335 | if(strncmp("</system>",ptr,9) == 0 )break; |
336 | strcat(description, buf); |
337 | } |
338 | if(!ptr)g_error("Not a valid file: %s\n", pathname); |
339 | if(description[0] = '\0')des->description = NULL; |
340 | des->description = g_strdup(description); |
6cd62ccf |
341 | |
963b5f2d |
342 | fclose(fp); |
6cd62ccf |
343 | } |
344 | |
345 | /***************************************************************************** |
963b5f2d |
346 | *The following functions get facility/tracefile information |
6cd62ccf |
347 | ****************************************************************************/ |
348 | |
963b5f2d |
349 | void getFacilityInfo(LttTrace *t, char* eventdefs) |
6cd62ccf |
350 | { |
963b5f2d |
351 | DIR * dir; |
352 | struct dirent *entry; |
353 | char * ptr; |
354 | int i,j; |
355 | LttFacility * f; |
356 | LttEventType * et; |
357 | LttTracefile * tracefile; |
358 | |
359 | dir = opendir(eventdefs); |
360 | if(!dir) g_error("Can not open directory: %s\n", eventdefs); |
361 | |
362 | while((entry = readdir(dir)) != NULL){ |
363 | ptr = &entry->d_name[strlen(entry->d_name)-4]; |
364 | if(strcmp(ptr,".xml") != 0) continue; |
365 | ltt_facility_open(t,entry->d_name); |
366 | } |
367 | closedir(dir); |
368 | |
369 | tracefile = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,0); |
370 | for(j=0;j<t->facility_number;j++){ |
371 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
372 | for(i=0; i<f->event_number; i++){ |
373 | et = f->events[i]; |
374 | setFieldsOffset(tracefile, et, NULL); |
375 | } |
376 | } |
377 | } |
6cd62ccf |
378 | |
963b5f2d |
379 | void getControlFileInfo(LttTrace *t, char* control) |
6cd62ccf |
380 | { |
963b5f2d |
381 | DIR * dir; |
382 | struct dirent *entry; |
383 | |
384 | dir = opendir(control); |
385 | if(!dir) g_error("Can not open directory: %s\n", control); |
386 | |
387 | while((entry = readdir(dir)) != NULL){ |
388 | if(strcmp(entry->d_name,"facilities") != 0 || |
389 | strcmp(entry->d_name,"interrupts") != 0 || |
390 | strcmp(entry->d_name,"processes") != 0) continue; |
391 | |
392 | ltt_tracefile_open_control(t,entry->d_name); |
393 | } |
394 | closedir(dir); |
6cd62ccf |
395 | } |
396 | |
963b5f2d |
397 | void getCpuFileInfo(LttTrace *t, char* cpu) |
6cd62ccf |
398 | { |
963b5f2d |
399 | DIR * dir; |
400 | struct dirent *entry; |
401 | |
402 | dir = opendir(cpu); |
403 | if(!dir) g_error("Can not open directory: %s\n", cpu); |
404 | |
405 | while((entry = readdir(dir)) != NULL){ |
406 | if(strcmp(entry->d_name,".") != 0 || |
407 | strcmp(entry->d_name,"..") != 0 ){ |
408 | ltt_tracefile_open_cpu(t,entry->d_name); |
409 | }else continue; |
410 | } |
411 | closedir(dir); |
6cd62ccf |
412 | } |
413 | |
963b5f2d |
414 | /***************************************************************************** |
415 | *A trace is specified as a pathname to the directory containing all the |
416 | *associated data (control tracefiles, per cpu tracefiles, event |
417 | *descriptions...). |
418 | * |
419 | *When a trace is closed, all the associated facilities, types and fields |
420 | *are released as well. |
421 | ****************************************************************************/ |
6cd62ccf |
422 | |
963b5f2d |
423 | LttTrace *ltt_trace_open(char *pathname) |
6cd62ccf |
424 | { |
963b5f2d |
425 | LttTrace * t; |
426 | LttSystemDescription * sys_description; |
427 | char eventdefs[DIR_NAME_SIZE]; |
428 | char info[DIR_NAME_SIZE]; |
429 | char control[DIR_NAME_SIZE]; |
430 | char cpu[DIR_NAME_SIZE]; |
431 | char tmp[DIR_NAME_SIZE]; |
432 | gboolean has_slash = FALSE; |
433 | |
434 | //establish the pathname to different directories |
435 | if(pathname[strlen(pathname)-1] == '/')has_slash = TRUE; |
436 | strcpy(eventdefs,pathname); |
437 | if(!has_slash)strcat(eventdefs,"/"); |
438 | strcat(eventdefs,"eventdefs/"); |
439 | |
440 | strcpy(info,pathname); |
441 | if(!has_slash)strcat(info,"/"); |
442 | strcat(info,"info/"); |
443 | |
444 | strcpy(control,pathname); |
445 | if(!has_slash)strcat(control,"/"); |
446 | strcat(control,"control/"); |
447 | |
448 | strcpy(cpu,pathname); |
449 | if(!has_slash)strcat(cpu,"/"); |
450 | strcat(cpu,"cpu/"); |
451 | |
452 | //new trace |
453 | t = g_new(LttTrace, 1); |
454 | sys_description = g_new(LttSystemDescription, 1); |
455 | t->pathname = g_strdup(pathname); |
456 | t->facility_number = 0; |
457 | t->control_tracefile_number = 0; |
458 | t->per_cpu_tracefile_number = 0; |
459 | t->system_description = sys_description; |
460 | t->control_tracefiles = g_ptr_array_new(); |
461 | t->per_cpu_tracefiles = g_ptr_array_new(); |
462 | t->facilities = g_ptr_array_new(); |
463 | getDataEndianType(&(t->my_arch_size), &(t->my_arch_endian)); |
464 | |
465 | //get system description |
466 | strcpy(tmp,info); |
467 | strcat(tmp,"system.xml"); |
468 | getSystemInfo(sys_description, tmp); |
469 | |
470 | //get control tracefile info |
471 | getControlFileInfo(t,control); |
472 | |
473 | //get cpu tracefile info |
474 | getCpuFileInfo(t,cpu); |
475 | |
476 | //get facilities info |
477 | getFacilityInfo(t,eventdefs); |
478 | |
479 | return t; |
6cd62ccf |
480 | } |
481 | |
963b5f2d |
482 | void ltt_trace_close(LttTrace *t) |
6cd62ccf |
483 | { |
963b5f2d |
484 | int i; |
485 | LttTracefile * tf; |
486 | LttFacility * f; |
487 | |
488 | g_free(t->pathname); |
489 | |
490 | //free system_description |
491 | g_free(t->system_description->description); |
492 | g_free(t->system_description->node_name); |
493 | g_free(t->system_description->domain_name); |
494 | g_free(t->system_description->kernel_name); |
495 | g_free(t->system_description->kernel_release); |
496 | g_free(t->system_description->kernel_version); |
497 | g_free(t->system_description->machine); |
498 | g_free(t->system_description->processor); |
499 | g_free(t->system_description->hardware_platform); |
500 | g_free(t->system_description->operating_system); |
501 | g_free(t->system_description); |
502 | |
503 | //free control_tracefiles |
504 | for(i=0;i<t->control_tracefile_number;i++){ |
505 | tf = (LttTracefile*)g_ptr_array_index(t->control_tracefiles,i); |
506 | ltt_tracefile_close(tf); |
507 | } |
508 | g_ptr_array_free(t->control_tracefiles, FALSE); |
509 | |
510 | //free per_cpu_tracefiles |
511 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
512 | tf = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,i); |
513 | ltt_tracefile_close(tf); |
514 | } |
515 | g_ptr_array_free(t->per_cpu_tracefiles, FALSE); |
516 | |
517 | //free facilities |
518 | for(i=0;i<t->facility_number;i++){ |
519 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
520 | ltt_facility_close(f); |
521 | } |
522 | g_ptr_array_free(t->facilities, FALSE); |
523 | |
524 | g_free(t); |
6cd62ccf |
525 | } |
526 | |
963b5f2d |
527 | |
6cd62ccf |
528 | /***************************************************************************** |
963b5f2d |
529 | *Get the system description of the trace |
6cd62ccf |
530 | ****************************************************************************/ |
531 | |
963b5f2d |
532 | LttSystemDescription *ltt_trace_system_description(LttTrace *t) |
6cd62ccf |
533 | { |
963b5f2d |
534 | return t->system_description; |
6cd62ccf |
535 | } |
536 | |
537 | /***************************************************************************** |
963b5f2d |
538 | * The following functions discover the facilities of the trace |
6cd62ccf |
539 | ****************************************************************************/ |
540 | |
963b5f2d |
541 | unsigned ltt_trace_facility_number(LttTrace *t) |
542 | { |
543 | return (unsigned)(t->facility_number); |
544 | } |
545 | |
546 | LttFacility *ltt_trace_facility_get(LttTrace *t, unsigned i) |
6cd62ccf |
547 | { |
963b5f2d |
548 | return (LttFacility*)g_ptr_array_index(t->facilities, i); |
6cd62ccf |
549 | } |
550 | |
551 | /***************************************************************************** |
552 | *Function name |
963b5f2d |
553 | * ltt_trace_facility_find : find facilities in the trace |
6cd62ccf |
554 | *Input params |
963b5f2d |
555 | * t : the trace |
556 | * name : facility name |
557 | *Output params |
558 | * position : position of the facility in the trace |
6cd62ccf |
559 | *Return value |
963b5f2d |
560 | * : the number of facilities |
6cd62ccf |
561 | ****************************************************************************/ |
562 | |
963b5f2d |
563 | unsigned ltt_trace_facility_find(LttTrace *t, char *name, unsigned *position) |
6cd62ccf |
564 | { |
963b5f2d |
565 | int i, count=0; |
566 | LttFacility * f; |
567 | for(i=0;i=t->facility_number;i++){ |
568 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
569 | if(strcmp(f->name,name)==0){ |
570 | count++; |
571 | if(count==1) *position = i; |
572 | }else{ |
573 | if(count) break; |
574 | } |
575 | } |
576 | return count; |
6cd62ccf |
577 | } |
578 | |
579 | /***************************************************************************** |
963b5f2d |
580 | * Functions to discover all the event types in the trace |
6cd62ccf |
581 | ****************************************************************************/ |
582 | |
963b5f2d |
583 | unsigned ltt_trace_eventtype_number(LttTrace *t) |
6cd62ccf |
584 | { |
963b5f2d |
585 | int i; |
586 | unsigned count = 0; |
587 | LttFacility * f; |
588 | for(i=0;i=t->facility_number;i++){ |
589 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
590 | count += f->event_number; |
591 | } |
592 | return count; |
6cd62ccf |
593 | } |
594 | |
963b5f2d |
595 | LttFacility * ltt_trace_facility_by_id(LttTrace * trace, unsigned id) |
6cd62ccf |
596 | { |
963b5f2d |
597 | LttFacility * facility; |
598 | int i; |
599 | for(i=0;i<trace->facility_number;i++){ |
600 | facility = (LttFacility*) g_ptr_array_index(trace->facilities,i); |
601 | if(id >= facility->base_id && |
602 | id < facility->base_id + facility->event_number) |
603 | break; |
604 | } |
605 | if(i==trace->facility_number) return NULL; |
606 | else return facility; |
6cd62ccf |
607 | } |
608 | |
963b5f2d |
609 | LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId) |
6cd62ccf |
610 | { |
963b5f2d |
611 | LttFacility * f; |
612 | f = ltt_trace_facility_by_id(t,evId); |
613 | if(!f) return NULL; |
614 | return f->events[evId - f->base_id]; |
6cd62ccf |
615 | } |
616 | |
617 | /***************************************************************************** |
963b5f2d |
618 | *There is one "per cpu" tracefile for each CPU, numbered from 0 to |
619 | *the maximum number of CPU in the system. When the number of CPU installed |
620 | *is less than the maximum, some positions are unused. There are also a |
621 | *number of "control" tracefiles (facilities, interrupts...). |
6cd62ccf |
622 | ****************************************************************************/ |
963b5f2d |
623 | unsigned ltt_trace_control_tracefile_number(LttTrace *t) |
6cd62ccf |
624 | { |
963b5f2d |
625 | return t->control_tracefile_number; |
6cd62ccf |
626 | } |
627 | |
963b5f2d |
628 | unsigned ltt_trace_per_cpu_tracefile_number(LttTrace *t) |
6cd62ccf |
629 | { |
963b5f2d |
630 | return t->per_cpu_tracefile_number; |
6cd62ccf |
631 | } |
632 | |
633 | /***************************************************************************** |
963b5f2d |
634 | *It is possible to search for the tracefiles by name or by CPU position. |
635 | *The index within the tracefiles of the same type is returned if found |
636 | *and a negative value otherwise. |
6cd62ccf |
637 | ****************************************************************************/ |
638 | |
963b5f2d |
639 | int ltt_trace_control_tracefile_find(LttTrace *t, char *name) |
6cd62ccf |
640 | { |
963b5f2d |
641 | LttTracefile * tracefile; |
642 | int i; |
643 | for(i=0;i<t->control_tracefile_number;i++){ |
644 | tracefile = (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i); |
645 | if(strcmp(tracefile->name, name)==0)break; |
646 | } |
647 | if(i == t->control_tracefile_number) return -1; |
648 | return i; |
6cd62ccf |
649 | } |
650 | |
963b5f2d |
651 | int ltt_trace_per_cpu_tracefile_find(LttTrace *t, unsigned i) |
6cd62ccf |
652 | { |
963b5f2d |
653 | LttTracefile * tracefile; |
654 | int j, name; |
655 | for(j=0;j<t->per_cpu_tracefile_number;j++){ |
656 | tracefile = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, j); |
657 | name = atoi(tracefile->name); |
658 | if(name == (int)i)break; |
659 | } |
660 | if(j == t->per_cpu_tracefile_number) return -1; |
661 | return j; |
6cd62ccf |
662 | } |
663 | |
664 | /***************************************************************************** |
963b5f2d |
665 | *Get a specific tracefile |
6cd62ccf |
666 | ****************************************************************************/ |
667 | |
963b5f2d |
668 | LttTracefile *ltt_trace_control_tracefile_get(LttTrace *t, unsigned i) |
6cd62ccf |
669 | { |
963b5f2d |
670 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
671 | } |
672 | |
673 | LttTracefile *ltt_trace_per_cpu_tracefile_get(LttTrace *t, unsigned i) |
674 | { |
675 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
6cd62ccf |
676 | } |
677 | |
678 | /***************************************************************************** |
963b5f2d |
679 | *Get the name of a tracefile |
6cd62ccf |
680 | ****************************************************************************/ |
681 | |
963b5f2d |
682 | char *ltt_tracefile_name(LttTracefile *tf) |
6cd62ccf |
683 | { |
963b5f2d |
684 | return tf->name; |
6cd62ccf |
685 | } |
686 | |
687 | /***************************************************************************** |
688 | *Function name |
689 | * ltt_tracefile_seek_time: seek to the first event of the trace with time |
690 | * larger or equal to time |
691 | *Input params |
692 | * t : tracefile |
693 | * time : criteria of the time |
6cd62ccf |
694 | ****************************************************************************/ |
695 | |
963b5f2d |
696 | void ltt_tracefile_seek_time(LttTracefile *t, LttTime time) |
6cd62ccf |
697 | { |
698 | int err; |
963b5f2d |
699 | LttTime lttTime; |
700 | int headTime = timecmp(&(t->a_block_start->time), &time); |
701 | int tailTime = timecmp(&(t->a_block_end->time), &time); |
6cd62ccf |
702 | |
703 | if(headTime < 0 && tailTime > 0){ |
704 | lttTime = getEventTime(t); |
705 | err = timecmp(<tTime, &time); |
963b5f2d |
706 | if(err > 0){ |
707 | if(t->which_event==1 || timecmp(&t->prev_event_time,&time)<0){ |
708 | return; |
709 | }else{ |
6cd62ccf |
710 | updateTracefile(t); |
711 | return ltt_tracefile_seek_time(t, time); |
712 | } |
713 | }else if(err < 0){ |
714 | err = t->which_block; |
963b5f2d |
715 | if(ltt_tracefile_read(t) == NULL){ |
716 | g_printf("End of file\n"); |
717 | return; |
718 | } |
6cd62ccf |
719 | if(t->which_block == err) |
720 | return ltt_tracefile_seek_time(t,time); |
963b5f2d |
721 | }else return; |
6cd62ccf |
722 | }else if(headTime > 0){ |
723 | if(t->which_block == 1){ |
724 | updateTracefile(t); |
725 | }else{ |
726 | if( (t->prev_block_end_time.tv_sec == 0 && |
727 | t->prev_block_end_time.tv_nsec == 0 ) || |
728 | timecmp(&(t->prev_block_end_time),&time) > 0 ){ |
729 | err=readBlock(t,t->which_block-1); |
963b5f2d |
730 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
6cd62ccf |
731 | return ltt_tracefile_seek_time(t, time) ; |
732 | }else{ |
733 | updateTracefile(t); |
734 | } |
735 | } |
736 | }else if(tailTime <= 0){ |
737 | if(t->which_block != t->block_number){ |
738 | err=readBlock(t,t->which_block+1); |
963b5f2d |
739 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
740 | }else { |
741 | g_printf("End of file\n"); |
742 | return; |
743 | } |
6cd62ccf |
744 | if(tailTime < 0) return ltt_tracefile_seek_time(t, time); |
745 | }else if(headTime == 0){ |
746 | updateTracefile(t); |
747 | } |
6cd62ccf |
748 | } |
749 | |
750 | /***************************************************************************** |
751 | *Function name |
752 | * ltt_tracefile_read : read the next event |
753 | *Input params |
754 | * t : tracefile |
755 | *Return value |
963b5f2d |
756 | * LttEvent * : an event to be processed |
6cd62ccf |
757 | ****************************************************************************/ |
758 | |
963b5f2d |
759 | LttEvent *ltt_tracefile_read(LttTracefile *t) |
6cd62ccf |
760 | { |
963b5f2d |
761 | LttEvent * lttEvent = (LttEvent *)g_new(LttEvent, 1); |
762 | int err; |
6cd62ccf |
763 | |
764 | //update the fields of the current event and go to the next event |
963b5f2d |
765 | err = skipEvent(t); |
766 | if(err == ENOENT) return NULL; |
767 | if(err == ERANGE) g_error("event id is out of range\n"); |
768 | if(err)g_error("Can not read tracefile\n"); |
769 | |
770 | lttEvent->event_id = (int)(*(uint16_t *)(t->cur_event_pos)); |
771 | if(lttEvent->event_id == TRACE_TIME_HEARTBEAT) |
772 | t->cur_heart_beat_number++; |
6cd62ccf |
773 | |
774 | t->current_event_time = getEventTime(t); |
775 | |
963b5f2d |
776 | lttEvent->time_delta = *(uint32_t*)(t->cur_event_pos + EVENT_ID_SIZE); |
777 | lttEvent->event_time = t->current_event_time; |
778 | |
779 | lttEvent->event_cycle_count = ((uint64_t)1)<<32 * t->cur_heart_beat_number |
780 | + lttEvent->time_delta; |
781 | |
6cd62ccf |
782 | lttEvent->tracefile = t; |
783 | lttEvent->data = t->cur_event_pos + EVENT_HEADER_SIZE; |
784 | |
785 | return lttEvent; |
786 | } |
787 | |
788 | /**************************************************************************** |
789 | *Function name |
790 | * readFile : wrap function to read from a file |
791 | *Input Params |
792 | * fd : file descriptor |
793 | * buf : buf to contain the content |
794 | * size : number of bytes to be read |
795 | * mesg : message to be printed if some thing goes wrong |
796 | *return value |
797 | * 0 : success |
798 | * EIO : can not read from the file |
799 | ****************************************************************************/ |
800 | |
801 | int readFile(int fd, void * buf, size_t size, char * mesg) |
802 | { |
803 | ssize_t nbBytes; |
804 | nbBytes = read(fd, buf, size); |
805 | if(nbBytes != size){ |
806 | printf("%s\n",mesg); |
807 | return EIO; |
808 | } |
809 | return 0; |
810 | } |
811 | |
812 | /**************************************************************************** |
813 | *Function name |
814 | * readBlock : read a block from the file |
815 | *Input Params |
816 | * lttdes : ltt trace file |
817 | * whichBlock : the block which will be read |
818 | *return value |
819 | * 0 : success |
820 | * EINVAL : lseek fail |
821 | * EIO : can not read from the file |
822 | ****************************************************************************/ |
823 | |
963b5f2d |
824 | int readBlock(LttTracefile * tf, int whichBlock) |
6cd62ccf |
825 | { |
826 | off_t nbBytes; |
827 | uint32_t lostSize; |
828 | |
829 | if(whichBlock - tf->which_block == 1 && tf->which_block != 0){ |
963b5f2d |
830 | tf->prev_block_end_time = tf->a_block_end->time; |
6cd62ccf |
831 | }else{ |
832 | tf->prev_block_end_time.tv_sec = 0; |
833 | tf->prev_block_end_time.tv_nsec = 0; |
834 | } |
835 | tf->prev_event_time.tv_sec = 0; |
836 | tf->prev_event_time.tv_nsec = 0; |
837 | |
963b5f2d |
838 | nbBytes=lseek(tf->fd,(off_t)((whichBlock-1)*tf->block_size), SEEK_SET); |
6cd62ccf |
839 | if(nbBytes == -1) return EINVAL; |
840 | |
963b5f2d |
841 | if(readFile(tf->fd,tf->buffer,tf->block_size,"Unable to read a block")) |
842 | return EIO; |
6cd62ccf |
843 | |
963b5f2d |
844 | tf->a_block_start=(BlockStart *) (tf->buffer + EVENT_HEADER_SIZE); |
845 | lostSize = *(uint32_t*)(tf->buffer + tf->block_size - sizeof(uint32_t)); |
846 | tf->a_block_end=(BlockEnd *)(tf->buffer + tf->block_size - |
847 | lostSize + EVENT_HEADER_SIZE); |
6cd62ccf |
848 | |
6cd62ccf |
849 | tf->which_block = whichBlock; |
963b5f2d |
850 | tf->which_event = 1; |
851 | tf->cur_event_pos = tf->a_block_start + sizeof(BlockStart); //first event |
6cd62ccf |
852 | tf->cur_heart_beat_number = 0; |
963b5f2d |
853 | |
854 | tf->current_event_time = getEventTime(tf); |
6cd62ccf |
855 | |
856 | getCyclePerNsec(tf); |
857 | |
858 | return 0; |
859 | } |
860 | |
861 | /***************************************************************************** |
862 | *Function name |
863 | * updateTracefile : reinitialize the info of the block which is already |
864 | * in the buffer |
865 | *Input params |
866 | * tf : tracefile |
867 | ****************************************************************************/ |
868 | |
963b5f2d |
869 | void updateTracefile(LttTracefile * tf) |
6cd62ccf |
870 | { |
963b5f2d |
871 | tf->which_event = 1; |
872 | tf->cur_event_pos = tf->a_block_start + sizeof(BlockStart); |
873 | tf->current_event_time = getEventTime(tf); |
6cd62ccf |
874 | tf->cur_heart_beat_number = 0; |
875 | |
876 | tf->prev_event_time.tv_sec = 0; |
877 | tf->prev_event_time.tv_nsec = 0; |
878 | } |
879 | |
880 | /***************************************************************************** |
881 | *Function name |
882 | * skipEvent : go to the next event, update the fields of the current event |
883 | *Input params |
884 | * t : tracefile |
885 | *return value |
886 | * 0 : success |
887 | * EINVAL : lseek fail |
888 | * EIO : can not read from the file |
889 | * ENOENT : end of file |
890 | * ERANGE : event id is out of range |
891 | ****************************************************************************/ |
892 | |
963b5f2d |
893 | int skipEvent(LttTracefile * t) |
6cd62ccf |
894 | { |
895 | int evId, err; |
896 | void * evData; |
963b5f2d |
897 | LttEventType * evT; |
898 | LttField * rootFld; |
6cd62ccf |
899 | |
963b5f2d |
900 | evId = (int)(*(uint16_t *)(t->cur_event_pos)); |
6cd62ccf |
901 | evData = t->cur_event_pos + EVENT_HEADER_SIZE; |
963b5f2d |
902 | evT = ltt_trace_eventtype_get(t->trace,(unsigned)evId); |
6cd62ccf |
903 | |
904 | if(evT) rootFld = evT->root_field; |
905 | else return ERANGE; |
906 | |
907 | t->prev_event_time = getEventTime(t); |
908 | |
909 | //event has string/sequence or the last event is not the same event |
910 | if((evT->latest_block!=t->which_block || evT->latest_event!=t->which_event) |
911 | && rootFld->field_fixed == 0){ |
912 | setFieldsOffset(t, evT, evData); |
913 | } |
914 | t->cur_event_pos += EVENT_HEADER_SIZE + rootFld->field_size; |
915 | |
916 | evT->latest_block = t->which_block; |
917 | evT->latest_event = t->which_event; |
918 | |
919 | //the next event is in the next block |
963b5f2d |
920 | if(evId == TRACE_BLOCK_END){ |
6cd62ccf |
921 | if(t->which_block == t->block_number) return ENOENT; |
922 | err = readBlock(t, t->which_block + 1); |
923 | if(err) return err; |
924 | }else{ |
925 | t->which_event++; |
926 | } |
927 | |
928 | return 0; |
929 | } |
930 | |
931 | /***************************************************************************** |
932 | *Function name |
933 | * getCyclePerNsec : calculate cycles per nsec for current block |
934 | *Input Params |
935 | * t : tracefile |
936 | ****************************************************************************/ |
937 | |
963b5f2d |
938 | void getCyclePerNsec(LttTracefile * t) |
6cd62ccf |
939 | { |
963b5f2d |
940 | LttTime lBufTotalTime; /* Total time for this buffer */ |
941 | LttCycleCount lBufTotalNSec; /* Total time for this buffer in nsecs */ |
942 | LttCycleCount lBufTotalCycle;/* Total cycles for this buffer */ |
6cd62ccf |
943 | |
944 | /* Calculate the total time for this buffer */ |
963b5f2d |
945 | TimeSub(lBufTotalTime,t->a_block_end->time, t->a_block_start->time); |
6cd62ccf |
946 | |
947 | /* Calculate the total cycles for this bufffer */ |
963b5f2d |
948 | lBufTotalCycle = t->a_block_end->cycle_count |
949 | - t->a_block_start->cycle_count; |
6cd62ccf |
950 | |
951 | /* Convert the total time to nsecs */ |
952 | lBufTotalNSec = lBufTotalTime.tv_sec * 1000000000 + lBufTotalTime.tv_nsec; |
953 | |
954 | t->cycle_per_nsec = (double)lBufTotalCycle / (double)lBufTotalNSec; |
955 | } |
956 | |
957 | /**************************************************************************** |
958 | *Function name |
959 | * getEventTime : obtain the time of an event |
960 | *Input params |
961 | * tf : tracefile |
962 | *Return value |
963b5f2d |
963 | * LttTime : the time of the event |
6cd62ccf |
964 | ****************************************************************************/ |
965 | |
963b5f2d |
966 | LttTime getEventTime(LttTracefile * tf) |
6cd62ccf |
967 | { |
963b5f2d |
968 | LttTime time; |
969 | LttCycleCount cycle_count; // cycle count for the current event |
970 | LttCycleCount lEventTotalCycle; // Total cycles from start for event |
971 | double lEventNSec; // Total usecs from start for event |
972 | LttTime lTimeOffset; // Time offset in struct LttTime |
6cd62ccf |
973 | |
963b5f2d |
974 | // Calculate total time in cycles from start of buffer for this event |
975 | cycle_count = (LttCycleCount)*(uint32_t*)(tf->cur_event_pos + EVENT_ID_SIZE); |
6cd62ccf |
976 | if(tf->cur_heart_beat_number) |
977 | cycle_count += ((uint64_t)1)<<32 * tf->cur_heart_beat_number; |
963b5f2d |
978 | lEventTotalCycle = cycle_count - tf->a_block_start->cycle_count; |
6cd62ccf |
979 | |
963b5f2d |
980 | // Convert it to nsecs |
6cd62ccf |
981 | lEventNSec = lEventTotalCycle / tf->cycle_per_nsec; |
982 | |
963b5f2d |
983 | // Determine offset in struct LttTime |
6cd62ccf |
984 | lTimeOffset.tv_nsec = (long)lEventNSec % 1000000000; |
985 | lTimeOffset.tv_sec = (long)lEventNSec / 1000000000; |
986 | |
963b5f2d |
987 | TimeAdd(time, tf->a_block_start->time, lTimeOffset); |
6cd62ccf |
988 | |
989 | return time; |
990 | } |
991 | |
992 | /***************************************************************************** |
993 | *Function name |
994 | * setFieldsOffset : set offset of the fields |
995 | *Input params |
996 | * tracefile : opened trace file |
997 | * evT : the event type |
998 | * evD : event data, it may be NULL |
999 | ****************************************************************************/ |
1000 | |
963b5f2d |
1001 | void setFieldsOffset(LttTracefile * t, LttEventType * evT, void * evD) |
6cd62ccf |
1002 | { |
963b5f2d |
1003 | LttField * rootFld = evT->root_field; |
6cd62ccf |
1004 | // rootFld->base_address = evD; |
1005 | |
1006 | rootFld->field_size = getFieldtypeSize(t, evT, 0,0,rootFld, evD); |
1007 | } |
1008 | |
1009 | /***************************************************************************** |
1010 | *Function name |
1011 | * getFieldtypeSize: get the size of the field type (primitive type) |
1012 | *Input params |
1013 | * tracefile : opened trace file |
1014 | * evT : event type |
1015 | * offsetRoot : offset from the root |
1016 | * offsetParent : offset from the parrent |
1017 | * fld : field |
1018 | * evD : event data, it may be NULL |
1019 | *Return value |
1020 | * int : size of the field |
1021 | ****************************************************************************/ |
1022 | |
963b5f2d |
1023 | int getFieldtypeSize(LttTracefile * t, LttEventType * evT, int offsetRoot, |
1024 | int offsetParent, LttField * fld, void * evD) |
6cd62ccf |
1025 | { |
1026 | int size, size1, element_number, i, offset1, offset2; |
963b5f2d |
1027 | LttType * type = fld->field_type; |
6cd62ccf |
1028 | |
963b5f2d |
1029 | if(!t){ |
1030 | if(evT->latest_block==t->which_block && evT->latest_event==t->which_event){ |
1031 | return fld->field_size; |
1032 | } |
1033 | } |
6cd62ccf |
1034 | |
1035 | if(fld->field_fixed == 1){ |
1036 | if(fld == evT->root_field) return fld->field_size; |
1037 | } |
1038 | |
1039 | if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY && |
1040 | type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){ |
1041 | if(fld->field_fixed == -1){ |
963b5f2d |
1042 | size = (int) ltt_type_size(t->trace, type); |
6cd62ccf |
1043 | fld->field_fixed = 1; |
1044 | }else size = fld->field_size; |
1045 | |
1046 | }else if(type->type_class == LTT_ARRAY){ |
1047 | element_number = (int) type->element_number; |
1048 | if(fld->field_fixed == -1){ |
1049 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL); |
1050 | if(size == 0){ //has string or sequence |
1051 | fld->field_fixed = 0; |
1052 | }else{ |
1053 | fld->field_fixed = 1; |
1054 | size *= element_number; |
1055 | } |
1056 | }else if(fld->field_fixed == 0){// has string or sequence |
1057 | size = 0; |
1058 | for(i=0;i<element_number;i++){ |
1059 | size += getFieldtypeSize(t, evT, offsetRoot+size,size, |
1060 | fld->child[0], evD+size); |
1061 | } |
1062 | }else size = fld->field_size; |
1063 | |
1064 | }else if(type->type_class == LTT_SEQUENCE){ |
963b5f2d |
1065 | size1 = (int) ltt_type_size(t->trace, type); |
6cd62ccf |
1066 | if(fld->field_fixed == -1){ |
1067 | fld->field_fixed = 0; |
1068 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL); |
1069 | fld->element_size = size; |
1070 | }else{//0: sequence |
1071 | element_number = getIntNumber(size1,evD); |
1072 | type->element_number = element_number; |
1073 | if(fld->element_size > 0){ |
1074 | size = element_number * fld->element_size; |
1075 | }else{//sequence has string or sequence |
1076 | size = 0; |
1077 | for(i=0;i<element_number;i++){ |
1078 | size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1, |
1079 | fld->child[0], evD+size+size1); |
1080 | } |
1081 | } |
1082 | size += size1; |
1083 | } |
1084 | |
1085 | }else if(type->type_class == LTT_STRING){ |
1086 | size = 0; |
1087 | if(fld->field_fixed == -1){ |
1088 | fld->field_fixed = 0; |
1089 | }else{//0: string |
1090 | size = sizeof((char*)evD) + 1; //include end : '\0' |
1091 | } |
1092 | |
1093 | }else if(type->type_class == LTT_STRUCT){ |
1094 | element_number = (int) type->element_number; |
1095 | size = 0; |
1096 | if(fld->field_fixed == -1){ |
1097 | offset1 = offsetRoot; |
1098 | offset2 = 0; |
1099 | for(i=0;i<element_number;i++){ |
1100 | size1=getFieldtypeSize(t, evT,offset1,offset2, fld->child[i], NULL); |
1101 | if(size1 > 0 && size >= 0){ |
1102 | size += size1; |
1103 | if(offset1 >= 0) offset1 += size1; |
1104 | offset2 += size1; |
1105 | }else{ |
1106 | size = -1; |
1107 | offset1 = -1; |
1108 | offset2 = -1; |
1109 | } |
1110 | } |
1111 | if(size == -1){ |
1112 | fld->field_fixed = 0; |
1113 | size = 0; |
1114 | }else fld->field_fixed = 1; |
1115 | }else if(fld->field_fixed == 0){ |
1116 | offset1 = offsetRoot; |
1117 | offset2 = 0; |
1118 | for(i=0;i<element_number;i++){ |
1119 | size=getFieldtypeSize(t,evT,offset1,offset2,fld->child[i],evD+offset2); |
1120 | offset1 += size; |
1121 | offset2 += size; |
1122 | } |
1123 | size = offset2; |
1124 | }else size = fld->field_size; |
1125 | } |
1126 | |
1127 | fld->offset_root = offsetRoot; |
1128 | fld->offset_parent = offsetParent; |
1129 | if(!evD){ |
1130 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1131 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
1132 | } |
1133 | fld->field_size = size; |
1134 | |
1135 | return size; |
1136 | } |
1137 | |
1138 | /***************************************************************************** |
1139 | *Function name |
1140 | * timecmp : compare two time |
1141 | *Input params |
1142 | * t1 : first time |
1143 | * t2 : second time |
1144 | *Return value |
1145 | * int : 0: t1 == t2; -1: t1 < t2; 1: t1 > t2 |
1146 | ****************************************************************************/ |
1147 | |
963b5f2d |
1148 | int timecmp(LttTime * t1, LttTime * t2) |
6cd62ccf |
1149 | { |
963b5f2d |
1150 | LttTime T; |
6cd62ccf |
1151 | TimeSub(T, *t1, *t2); |
1152 | if(T.tv_sec == 0 && T.tv_nsec == 0) return 0; |
1153 | else if(T.tv_sec > 0 || (T.tv_sec==0 && T.tv_nsec > 0)) return 1; |
1154 | else return -1; |
1155 | } |
1156 | |
1157 | /***************************************************************************** |
1158 | *Function name |
1159 | * getIntNumber : get an integer number |
1160 | *Input params |
1161 | * size : the size of the integer |
1162 | * evD : the event data |
1163 | *Return value |
1164 | * int : an integer |
1165 | ****************************************************************************/ |
1166 | |
1167 | int getIntNumber(int size, void *evD) |
1168 | { |
1169 | int64_t i; |
1170 | if(size == 1) i = *(int8_t *)evD; |
1171 | else if(size == 2) i = *(int16_t *)evD; |
1172 | else if(size == 4) i = *(int32_t *)evD; |
1173 | else if(size == 8) i = *(int64_t *)evD; |
1174 | |
1175 | return (int) i; |
1176 | } |
1177 | |
1178 | /***************************************************************************** |
1179 | *Function name |
1180 | * getDataEndianType : get the data type size and endian type of the local |
1181 | * machine |
1182 | *Input params |
1183 | * size : size of data type |
1184 | * endian : endian type, little or big |
1185 | ****************************************************************************/ |
1186 | |
963b5f2d |
1187 | void getDataEndianType(LttArchSize * size, LttArchEndian * endian) |
6cd62ccf |
1188 | { |
1189 | int i = 1; |
1190 | char c = (char) i; |
1191 | int sizeInt=sizeof(int), sizeLong=sizeof(long), sizePointer=sizeof(void *); |
1192 | |
1193 | if(c == 1) *endian = LTT_LITTLE_ENDIAN; |
1194 | else *endian = LTT_BIG_ENDIAN; |
1195 | |
1196 | if(sizeInt == 2 && sizeLong == 4 && sizePointer == 4) |
1197 | *size = LTT_LP32; |
1198 | else if(sizeInt == 4 && sizeLong == 4 && sizePointer == 4) |
1199 | *size = LTT_ILP32; |
1200 | else if(sizeInt == 4 && sizeLong == 8 && sizePointer == 8) |
1201 | *size = LTT_LP64; |
1202 | else if(sizeInt == 8 && sizeLong == 8 && sizePointer == 8) |
1203 | *size = LTT_ILP64; |
1204 | else *size = LTT_UNKNOWN; |
1205 | } |
1206 | |