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 */ |
40331ba8 |
16 | void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace *t); |
6cd62ccf |
17 | |
18 | /* get the size of the field type according to the archtecture's |
19 | size and endian type(info of the archecture) */ |
40331ba8 |
20 | int getFieldtypeSize(LttTracefile * tf, LttEventType * evT, int offsetRoot, |
21 | int offsetParent, LttField *fld, void *evD, LttTrace* t); |
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){ |
40331ba8 |
153 | ev = ltt_tracefile_read(tf); |
154 | if(!ev)return; // end of file |
155 | |
156 | if(ev->event_id == TRACE_FACILITY_LOAD){ |
157 | pos = ev->data; |
963b5f2d |
158 | fLoad.name = (char*)pos; |
159 | fLoad.checksum = *(LttChecksum*)(pos + sizeof(pos)); |
160 | fLoad.base_code = *(uint32_t*)(pos + sizeof(pos) + sizeof(LttChecksum)); |
161 | |
162 | for(i=0;i<t->facility_number;i++){ |
163 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
164 | if(strcmp(f->name,fLoad.name)==0 && fLoad.checksum==f->checksum){ |
165 | f->base_id = fLoad.base_code; |
166 | break; |
167 | } |
168 | } |
169 | if(i==t->facility_number) |
170 | g_error("Facility: %s, checksum: %d is not founded\n", |
171 | fLoad.name,fLoad.checksum); |
40331ba8 |
172 | }else if(ev->event_id == TRACE_BLOCK_START){ |
173 | continue; |
174 | }else if(ev->event_id == TRACE_BLOCK_END){ |
175 | break; |
963b5f2d |
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; |
963b5f2d |
357 | |
358 | dir = opendir(eventdefs); |
359 | if(!dir) g_error("Can not open directory: %s\n", eventdefs); |
360 | |
361 | while((entry = readdir(dir)) != NULL){ |
362 | ptr = &entry->d_name[strlen(entry->d_name)-4]; |
363 | if(strcmp(ptr,".xml") != 0) continue; |
364 | ltt_facility_open(t,entry->d_name); |
365 | } |
366 | closedir(dir); |
367 | |
963b5f2d |
368 | for(j=0;j<t->facility_number;j++){ |
369 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
370 | for(i=0; i<f->event_number; i++){ |
371 | et = f->events[i]; |
40331ba8 |
372 | setFieldsOffset(NULL, et, NULL, t); |
963b5f2d |
373 | } |
374 | } |
375 | } |
6cd62ccf |
376 | |
963b5f2d |
377 | void getControlFileInfo(LttTrace *t, char* control) |
6cd62ccf |
378 | { |
963b5f2d |
379 | DIR * dir; |
380 | struct dirent *entry; |
381 | |
382 | dir = opendir(control); |
383 | if(!dir) g_error("Can not open directory: %s\n", control); |
384 | |
385 | while((entry = readdir(dir)) != NULL){ |
386 | if(strcmp(entry->d_name,"facilities") != 0 || |
387 | strcmp(entry->d_name,"interrupts") != 0 || |
388 | strcmp(entry->d_name,"processes") != 0) continue; |
389 | |
390 | ltt_tracefile_open_control(t,entry->d_name); |
391 | } |
392 | closedir(dir); |
6cd62ccf |
393 | } |
394 | |
963b5f2d |
395 | void getCpuFileInfo(LttTrace *t, char* cpu) |
6cd62ccf |
396 | { |
963b5f2d |
397 | DIR * dir; |
398 | struct dirent *entry; |
399 | |
400 | dir = opendir(cpu); |
401 | if(!dir) g_error("Can not open directory: %s\n", cpu); |
402 | |
403 | while((entry = readdir(dir)) != NULL){ |
404 | if(strcmp(entry->d_name,".") != 0 || |
405 | strcmp(entry->d_name,"..") != 0 ){ |
406 | ltt_tracefile_open_cpu(t,entry->d_name); |
407 | }else continue; |
408 | } |
409 | closedir(dir); |
6cd62ccf |
410 | } |
411 | |
963b5f2d |
412 | /***************************************************************************** |
413 | *A trace is specified as a pathname to the directory containing all the |
414 | *associated data (control tracefiles, per cpu tracefiles, event |
415 | *descriptions...). |
416 | * |
417 | *When a trace is closed, all the associated facilities, types and fields |
418 | *are released as well. |
419 | ****************************************************************************/ |
6cd62ccf |
420 | |
963b5f2d |
421 | LttTrace *ltt_trace_open(char *pathname) |
6cd62ccf |
422 | { |
963b5f2d |
423 | LttTrace * t; |
424 | LttSystemDescription * sys_description; |
425 | char eventdefs[DIR_NAME_SIZE]; |
426 | char info[DIR_NAME_SIZE]; |
427 | char control[DIR_NAME_SIZE]; |
428 | char cpu[DIR_NAME_SIZE]; |
429 | char tmp[DIR_NAME_SIZE]; |
430 | gboolean has_slash = FALSE; |
431 | |
432 | //establish the pathname to different directories |
433 | if(pathname[strlen(pathname)-1] == '/')has_slash = TRUE; |
434 | strcpy(eventdefs,pathname); |
435 | if(!has_slash)strcat(eventdefs,"/"); |
436 | strcat(eventdefs,"eventdefs/"); |
437 | |
438 | strcpy(info,pathname); |
439 | if(!has_slash)strcat(info,"/"); |
440 | strcat(info,"info/"); |
441 | |
442 | strcpy(control,pathname); |
443 | if(!has_slash)strcat(control,"/"); |
444 | strcat(control,"control/"); |
445 | |
446 | strcpy(cpu,pathname); |
447 | if(!has_slash)strcat(cpu,"/"); |
448 | strcat(cpu,"cpu/"); |
449 | |
450 | //new trace |
451 | t = g_new(LttTrace, 1); |
452 | sys_description = g_new(LttSystemDescription, 1); |
453 | t->pathname = g_strdup(pathname); |
454 | t->facility_number = 0; |
455 | t->control_tracefile_number = 0; |
456 | t->per_cpu_tracefile_number = 0; |
457 | t->system_description = sys_description; |
458 | t->control_tracefiles = g_ptr_array_new(); |
459 | t->per_cpu_tracefiles = g_ptr_array_new(); |
460 | t->facilities = g_ptr_array_new(); |
461 | getDataEndianType(&(t->my_arch_size), &(t->my_arch_endian)); |
462 | |
463 | //get system description |
464 | strcpy(tmp,info); |
465 | strcat(tmp,"system.xml"); |
466 | getSystemInfo(sys_description, tmp); |
467 | |
468 | //get control tracefile info |
469 | getControlFileInfo(t,control); |
470 | |
471 | //get cpu tracefile info |
472 | getCpuFileInfo(t,cpu); |
473 | |
474 | //get facilities info |
475 | getFacilityInfo(t,eventdefs); |
476 | |
477 | return t; |
6cd62ccf |
478 | } |
479 | |
963b5f2d |
480 | void ltt_trace_close(LttTrace *t) |
6cd62ccf |
481 | { |
963b5f2d |
482 | int i; |
483 | LttTracefile * tf; |
484 | LttFacility * f; |
485 | |
486 | g_free(t->pathname); |
487 | |
488 | //free system_description |
489 | g_free(t->system_description->description); |
490 | g_free(t->system_description->node_name); |
491 | g_free(t->system_description->domain_name); |
492 | g_free(t->system_description->kernel_name); |
493 | g_free(t->system_description->kernel_release); |
494 | g_free(t->system_description->kernel_version); |
495 | g_free(t->system_description->machine); |
496 | g_free(t->system_description->processor); |
497 | g_free(t->system_description->hardware_platform); |
498 | g_free(t->system_description->operating_system); |
499 | g_free(t->system_description); |
500 | |
501 | //free control_tracefiles |
502 | for(i=0;i<t->control_tracefile_number;i++){ |
503 | tf = (LttTracefile*)g_ptr_array_index(t->control_tracefiles,i); |
504 | ltt_tracefile_close(tf); |
505 | } |
506 | g_ptr_array_free(t->control_tracefiles, FALSE); |
507 | |
508 | //free per_cpu_tracefiles |
509 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
510 | tf = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,i); |
511 | ltt_tracefile_close(tf); |
512 | } |
513 | g_ptr_array_free(t->per_cpu_tracefiles, FALSE); |
514 | |
515 | //free facilities |
516 | for(i=0;i<t->facility_number;i++){ |
517 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
518 | ltt_facility_close(f); |
519 | } |
520 | g_ptr_array_free(t->facilities, FALSE); |
521 | |
522 | g_free(t); |
6cd62ccf |
523 | } |
524 | |
963b5f2d |
525 | |
6cd62ccf |
526 | /***************************************************************************** |
963b5f2d |
527 | *Get the system description of the trace |
6cd62ccf |
528 | ****************************************************************************/ |
529 | |
963b5f2d |
530 | LttSystemDescription *ltt_trace_system_description(LttTrace *t) |
6cd62ccf |
531 | { |
963b5f2d |
532 | return t->system_description; |
6cd62ccf |
533 | } |
534 | |
535 | /***************************************************************************** |
963b5f2d |
536 | * The following functions discover the facilities of the trace |
6cd62ccf |
537 | ****************************************************************************/ |
538 | |
963b5f2d |
539 | unsigned ltt_trace_facility_number(LttTrace *t) |
540 | { |
541 | return (unsigned)(t->facility_number); |
542 | } |
543 | |
544 | LttFacility *ltt_trace_facility_get(LttTrace *t, unsigned i) |
6cd62ccf |
545 | { |
963b5f2d |
546 | return (LttFacility*)g_ptr_array_index(t->facilities, i); |
6cd62ccf |
547 | } |
548 | |
549 | /***************************************************************************** |
550 | *Function name |
963b5f2d |
551 | * ltt_trace_facility_find : find facilities in the trace |
6cd62ccf |
552 | *Input params |
963b5f2d |
553 | * t : the trace |
554 | * name : facility name |
555 | *Output params |
556 | * position : position of the facility in the trace |
6cd62ccf |
557 | *Return value |
963b5f2d |
558 | * : the number of facilities |
6cd62ccf |
559 | ****************************************************************************/ |
560 | |
963b5f2d |
561 | unsigned ltt_trace_facility_find(LttTrace *t, char *name, unsigned *position) |
6cd62ccf |
562 | { |
963b5f2d |
563 | int i, count=0; |
564 | LttFacility * f; |
565 | for(i=0;i=t->facility_number;i++){ |
566 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
567 | if(strcmp(f->name,name)==0){ |
568 | count++; |
569 | if(count==1) *position = i; |
570 | }else{ |
571 | if(count) break; |
572 | } |
573 | } |
574 | return count; |
6cd62ccf |
575 | } |
576 | |
577 | /***************************************************************************** |
963b5f2d |
578 | * Functions to discover all the event types in the trace |
6cd62ccf |
579 | ****************************************************************************/ |
580 | |
963b5f2d |
581 | unsigned ltt_trace_eventtype_number(LttTrace *t) |
6cd62ccf |
582 | { |
963b5f2d |
583 | int i; |
584 | unsigned count = 0; |
585 | LttFacility * f; |
586 | for(i=0;i=t->facility_number;i++){ |
587 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
588 | count += f->event_number; |
589 | } |
590 | return count; |
6cd62ccf |
591 | } |
592 | |
963b5f2d |
593 | LttFacility * ltt_trace_facility_by_id(LttTrace * trace, unsigned id) |
6cd62ccf |
594 | { |
963b5f2d |
595 | LttFacility * facility; |
596 | int i; |
597 | for(i=0;i<trace->facility_number;i++){ |
598 | facility = (LttFacility*) g_ptr_array_index(trace->facilities,i); |
599 | if(id >= facility->base_id && |
600 | id < facility->base_id + facility->event_number) |
601 | break; |
602 | } |
603 | if(i==trace->facility_number) return NULL; |
604 | else return facility; |
6cd62ccf |
605 | } |
606 | |
963b5f2d |
607 | LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId) |
6cd62ccf |
608 | { |
963b5f2d |
609 | LttFacility * f; |
610 | f = ltt_trace_facility_by_id(t,evId); |
611 | if(!f) return NULL; |
612 | return f->events[evId - f->base_id]; |
6cd62ccf |
613 | } |
614 | |
615 | /***************************************************************************** |
963b5f2d |
616 | *There is one "per cpu" tracefile for each CPU, numbered from 0 to |
617 | *the maximum number of CPU in the system. When the number of CPU installed |
618 | *is less than the maximum, some positions are unused. There are also a |
619 | *number of "control" tracefiles (facilities, interrupts...). |
6cd62ccf |
620 | ****************************************************************************/ |
963b5f2d |
621 | unsigned ltt_trace_control_tracefile_number(LttTrace *t) |
6cd62ccf |
622 | { |
963b5f2d |
623 | return t->control_tracefile_number; |
6cd62ccf |
624 | } |
625 | |
963b5f2d |
626 | unsigned ltt_trace_per_cpu_tracefile_number(LttTrace *t) |
6cd62ccf |
627 | { |
963b5f2d |
628 | return t->per_cpu_tracefile_number; |
6cd62ccf |
629 | } |
630 | |
631 | /***************************************************************************** |
963b5f2d |
632 | *It is possible to search for the tracefiles by name or by CPU position. |
633 | *The index within the tracefiles of the same type is returned if found |
634 | *and a negative value otherwise. |
6cd62ccf |
635 | ****************************************************************************/ |
636 | |
963b5f2d |
637 | int ltt_trace_control_tracefile_find(LttTrace *t, char *name) |
6cd62ccf |
638 | { |
963b5f2d |
639 | LttTracefile * tracefile; |
640 | int i; |
641 | for(i=0;i<t->control_tracefile_number;i++){ |
642 | tracefile = (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i); |
643 | if(strcmp(tracefile->name, name)==0)break; |
644 | } |
645 | if(i == t->control_tracefile_number) return -1; |
646 | return i; |
6cd62ccf |
647 | } |
648 | |
963b5f2d |
649 | int ltt_trace_per_cpu_tracefile_find(LttTrace *t, unsigned i) |
6cd62ccf |
650 | { |
963b5f2d |
651 | LttTracefile * tracefile; |
652 | int j, name; |
653 | for(j=0;j<t->per_cpu_tracefile_number;j++){ |
654 | tracefile = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, j); |
655 | name = atoi(tracefile->name); |
656 | if(name == (int)i)break; |
657 | } |
658 | if(j == t->per_cpu_tracefile_number) return -1; |
659 | return j; |
6cd62ccf |
660 | } |
661 | |
662 | /***************************************************************************** |
963b5f2d |
663 | *Get a specific tracefile |
6cd62ccf |
664 | ****************************************************************************/ |
665 | |
963b5f2d |
666 | LttTracefile *ltt_trace_control_tracefile_get(LttTrace *t, unsigned i) |
6cd62ccf |
667 | { |
963b5f2d |
668 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
669 | } |
670 | |
671 | LttTracefile *ltt_trace_per_cpu_tracefile_get(LttTrace *t, unsigned i) |
672 | { |
673 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
6cd62ccf |
674 | } |
675 | |
676 | /***************************************************************************** |
963b5f2d |
677 | *Get the name of a tracefile |
6cd62ccf |
678 | ****************************************************************************/ |
679 | |
963b5f2d |
680 | char *ltt_tracefile_name(LttTracefile *tf) |
6cd62ccf |
681 | { |
963b5f2d |
682 | return tf->name; |
6cd62ccf |
683 | } |
684 | |
685 | /***************************************************************************** |
686 | *Function name |
687 | * ltt_tracefile_seek_time: seek to the first event of the trace with time |
688 | * larger or equal to time |
689 | *Input params |
690 | * t : tracefile |
691 | * time : criteria of the time |
6cd62ccf |
692 | ****************************************************************************/ |
693 | |
963b5f2d |
694 | void ltt_tracefile_seek_time(LttTracefile *t, LttTime time) |
6cd62ccf |
695 | { |
696 | int err; |
963b5f2d |
697 | LttTime lttTime; |
698 | int headTime = timecmp(&(t->a_block_start->time), &time); |
699 | int tailTime = timecmp(&(t->a_block_end->time), &time); |
6cd62ccf |
700 | |
701 | if(headTime < 0 && tailTime > 0){ |
702 | lttTime = getEventTime(t); |
703 | err = timecmp(<tTime, &time); |
963b5f2d |
704 | if(err > 0){ |
40331ba8 |
705 | if(t->which_event==2 || timecmp(&t->prev_event_time,&time)<0){ |
963b5f2d |
706 | return; |
707 | }else{ |
6cd62ccf |
708 | updateTracefile(t); |
709 | return ltt_tracefile_seek_time(t, time); |
710 | } |
711 | }else if(err < 0){ |
712 | err = t->which_block; |
963b5f2d |
713 | if(ltt_tracefile_read(t) == NULL){ |
714 | g_printf("End of file\n"); |
715 | return; |
716 | } |
6cd62ccf |
717 | if(t->which_block == err) |
718 | return ltt_tracefile_seek_time(t,time); |
963b5f2d |
719 | }else return; |
6cd62ccf |
720 | }else if(headTime > 0){ |
721 | if(t->which_block == 1){ |
722 | updateTracefile(t); |
723 | }else{ |
40331ba8 |
724 | if(timecmp(&(t->prev_block_end_time),&time) >= 0 ){ |
6cd62ccf |
725 | err=readBlock(t,t->which_block-1); |
963b5f2d |
726 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
6cd62ccf |
727 | return ltt_tracefile_seek_time(t, time) ; |
728 | }else{ |
729 | updateTracefile(t); |
730 | } |
731 | } |
40331ba8 |
732 | }else if(tailTime < 0){ |
6cd62ccf |
733 | if(t->which_block != t->block_number){ |
734 | err=readBlock(t,t->which_block+1); |
963b5f2d |
735 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
736 | }else { |
737 | g_printf("End of file\n"); |
738 | return; |
739 | } |
6cd62ccf |
740 | if(tailTime < 0) return ltt_tracefile_seek_time(t, time); |
741 | }else if(headTime == 0){ |
742 | updateTracefile(t); |
40331ba8 |
743 | }else if(tailTime == 0){ |
744 | t->cur_event_pos = t->a_block_end - EVENT_HEADER_SIZE; |
745 | return; |
6cd62ccf |
746 | } |
6cd62ccf |
747 | } |
748 | |
749 | /***************************************************************************** |
750 | *Function name |
40331ba8 |
751 | * ltt_tracefile_read : read the current event, set the pointer to the next |
6cd62ccf |
752 | *Input params |
753 | * t : tracefile |
754 | *Return value |
963b5f2d |
755 | * LttEvent * : an event to be processed |
6cd62ccf |
756 | ****************************************************************************/ |
757 | |
963b5f2d |
758 | LttEvent *ltt_tracefile_read(LttTracefile *t) |
6cd62ccf |
759 | { |
963b5f2d |
760 | LttEvent * lttEvent = (LttEvent *)g_new(LttEvent, 1); |
761 | int err; |
6cd62ccf |
762 | |
963b5f2d |
763 | lttEvent->event_id = (int)(*(uint16_t *)(t->cur_event_pos)); |
764 | if(lttEvent->event_id == TRACE_TIME_HEARTBEAT) |
765 | t->cur_heart_beat_number++; |
6cd62ccf |
766 | |
40331ba8 |
767 | t->prev_event_time = t->current_event_time; |
6cd62ccf |
768 | t->current_event_time = getEventTime(t); |
769 | |
963b5f2d |
770 | lttEvent->time_delta = *(uint32_t*)(t->cur_event_pos + EVENT_ID_SIZE); |
771 | lttEvent->event_time = t->current_event_time; |
772 | |
773 | lttEvent->event_cycle_count = ((uint64_t)1)<<32 * t->cur_heart_beat_number |
774 | + lttEvent->time_delta; |
775 | |
6cd62ccf |
776 | lttEvent->tracefile = t; |
777 | lttEvent->data = t->cur_event_pos + EVENT_HEADER_SIZE; |
778 | |
40331ba8 |
779 | //update the fields of the current event and go to the next event |
780 | err = skipEvent(t); |
781 | if(err == ENOENT) return NULL; |
782 | if(err == ERANGE) g_error("event id is out of range\n"); |
783 | if(err)g_error("Can not read tracefile\n"); |
784 | |
6cd62ccf |
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; |
40331ba8 |
831 | tf->prev_event_time = tf->a_block_end->time; |
832 | tf->current_event_time = tf->a_block_end->time; |
6cd62ccf |
833 | }else{ |
834 | tf->prev_block_end_time.tv_sec = 0; |
835 | tf->prev_block_end_time.tv_nsec = 0; |
40331ba8 |
836 | tf->prev_event_time.tv_sec = 0; |
837 | tf->prev_event_time.tv_nsec = 0; |
838 | tf->current_event_time.tv_sec = 0; |
839 | tf->current_event_time.tv_nsec = 0; |
6cd62ccf |
840 | } |
6cd62ccf |
841 | |
963b5f2d |
842 | nbBytes=lseek(tf->fd,(off_t)((whichBlock-1)*tf->block_size), SEEK_SET); |
6cd62ccf |
843 | if(nbBytes == -1) return EINVAL; |
844 | |
963b5f2d |
845 | if(readFile(tf->fd,tf->buffer,tf->block_size,"Unable to read a block")) |
846 | return EIO; |
6cd62ccf |
847 | |
963b5f2d |
848 | tf->a_block_start=(BlockStart *) (tf->buffer + EVENT_HEADER_SIZE); |
849 | lostSize = *(uint32_t*)(tf->buffer + tf->block_size - sizeof(uint32_t)); |
850 | tf->a_block_end=(BlockEnd *)(tf->buffer + tf->block_size - |
851 | lostSize + EVENT_HEADER_SIZE); |
6cd62ccf |
852 | |
6cd62ccf |
853 | tf->which_block = whichBlock; |
963b5f2d |
854 | tf->which_event = 1; |
40331ba8 |
855 | tf->cur_event_pos = tf->buffer;//the beginning of the block, block start ev |
6cd62ccf |
856 | tf->cur_heart_beat_number = 0; |
963b5f2d |
857 | |
6cd62ccf |
858 | getCyclePerNsec(tf); |
859 | |
40331ba8 |
860 | // tf->current_event_time = getEventTime(tf); |
861 | |
6cd62ccf |
862 | return 0; |
863 | } |
864 | |
865 | /***************************************************************************** |
866 | *Function name |
867 | * updateTracefile : reinitialize the info of the block which is already |
868 | * in the buffer |
869 | *Input params |
870 | * tf : tracefile |
871 | ****************************************************************************/ |
872 | |
963b5f2d |
873 | void updateTracefile(LttTracefile * tf) |
6cd62ccf |
874 | { |
963b5f2d |
875 | tf->which_event = 1; |
40331ba8 |
876 | tf->cur_event_pos = tf->buffer; |
877 | // tf->current_event_time = getEventTime(tf); |
878 | tf->current_event_time.tv_sec = 0; |
879 | tf->current_event_time.tv_nsec = 0; |
6cd62ccf |
880 | tf->cur_heart_beat_number = 0; |
881 | |
882 | tf->prev_event_time.tv_sec = 0; |
883 | tf->prev_event_time.tv_nsec = 0; |
884 | } |
885 | |
886 | /***************************************************************************** |
887 | *Function name |
888 | * skipEvent : go to the next event, update the fields of the current event |
889 | *Input params |
890 | * t : tracefile |
891 | *return value |
892 | * 0 : success |
893 | * EINVAL : lseek fail |
894 | * EIO : can not read from the file |
895 | * ENOENT : end of file |
896 | * ERANGE : event id is out of range |
897 | ****************************************************************************/ |
898 | |
963b5f2d |
899 | int skipEvent(LttTracefile * t) |
6cd62ccf |
900 | { |
901 | int evId, err; |
902 | void * evData; |
963b5f2d |
903 | LttEventType * evT; |
904 | LttField * rootFld; |
6cd62ccf |
905 | |
963b5f2d |
906 | evId = (int)(*(uint16_t *)(t->cur_event_pos)); |
6cd62ccf |
907 | evData = t->cur_event_pos + EVENT_HEADER_SIZE; |
963b5f2d |
908 | evT = ltt_trace_eventtype_get(t->trace,(unsigned)evId); |
6cd62ccf |
909 | |
910 | if(evT) rootFld = evT->root_field; |
911 | else return ERANGE; |
6cd62ccf |
912 | |
913 | //event has string/sequence or the last event is not the same event |
914 | if((evT->latest_block!=t->which_block || evT->latest_event!=t->which_event) |
915 | && rootFld->field_fixed == 0){ |
40331ba8 |
916 | setFieldsOffset(t, evT, evData, t->trace); |
6cd62ccf |
917 | } |
918 | t->cur_event_pos += EVENT_HEADER_SIZE + rootFld->field_size; |
919 | |
920 | evT->latest_block = t->which_block; |
921 | evT->latest_event = t->which_event; |
922 | |
923 | //the next event is in the next block |
963b5f2d |
924 | if(evId == TRACE_BLOCK_END){ |
6cd62ccf |
925 | if(t->which_block == t->block_number) return ENOENT; |
926 | err = readBlock(t, t->which_block + 1); |
927 | if(err) return err; |
928 | }else{ |
929 | t->which_event++; |
930 | } |
931 | |
932 | return 0; |
933 | } |
934 | |
935 | /***************************************************************************** |
936 | *Function name |
937 | * getCyclePerNsec : calculate cycles per nsec for current block |
938 | *Input Params |
939 | * t : tracefile |
940 | ****************************************************************************/ |
941 | |
963b5f2d |
942 | void getCyclePerNsec(LttTracefile * t) |
6cd62ccf |
943 | { |
963b5f2d |
944 | LttTime lBufTotalTime; /* Total time for this buffer */ |
945 | LttCycleCount lBufTotalNSec; /* Total time for this buffer in nsecs */ |
946 | LttCycleCount lBufTotalCycle;/* Total cycles for this buffer */ |
6cd62ccf |
947 | |
948 | /* Calculate the total time for this buffer */ |
963b5f2d |
949 | TimeSub(lBufTotalTime,t->a_block_end->time, t->a_block_start->time); |
6cd62ccf |
950 | |
951 | /* Calculate the total cycles for this bufffer */ |
963b5f2d |
952 | lBufTotalCycle = t->a_block_end->cycle_count |
953 | - t->a_block_start->cycle_count; |
6cd62ccf |
954 | |
955 | /* Convert the total time to nsecs */ |
956 | lBufTotalNSec = lBufTotalTime.tv_sec * 1000000000 + lBufTotalTime.tv_nsec; |
957 | |
958 | t->cycle_per_nsec = (double)lBufTotalCycle / (double)lBufTotalNSec; |
959 | } |
960 | |
961 | /**************************************************************************** |
962 | *Function name |
963 | * getEventTime : obtain the time of an event |
964 | *Input params |
965 | * tf : tracefile |
966 | *Return value |
963b5f2d |
967 | * LttTime : the time of the event |
6cd62ccf |
968 | ****************************************************************************/ |
969 | |
963b5f2d |
970 | LttTime getEventTime(LttTracefile * tf) |
6cd62ccf |
971 | { |
963b5f2d |
972 | LttTime time; |
973 | LttCycleCount cycle_count; // cycle count for the current event |
974 | LttCycleCount lEventTotalCycle; // Total cycles from start for event |
975 | double lEventNSec; // Total usecs from start for event |
976 | LttTime lTimeOffset; // Time offset in struct LttTime |
40331ba8 |
977 | uint16_t evId; |
6cd62ccf |
978 | |
40331ba8 |
979 | evId = *(uint16_t*)tf->cur_event_pos; |
980 | if(evId == TRACE_BLOCK_START) |
981 | return tf->a_block_start->time; |
982 | else if(evId == TRACE_BLOCK_END) |
983 | return tf->a_block_end->time; |
984 | |
985 | |
963b5f2d |
986 | // Calculate total time in cycles from start of buffer for this event |
987 | cycle_count = (LttCycleCount)*(uint32_t*)(tf->cur_event_pos + EVENT_ID_SIZE); |
6cd62ccf |
988 | if(tf->cur_heart_beat_number) |
989 | cycle_count += ((uint64_t)1)<<32 * tf->cur_heart_beat_number; |
963b5f2d |
990 | lEventTotalCycle = cycle_count - tf->a_block_start->cycle_count; |
6cd62ccf |
991 | |
963b5f2d |
992 | // Convert it to nsecs |
6cd62ccf |
993 | lEventNSec = lEventTotalCycle / tf->cycle_per_nsec; |
994 | |
963b5f2d |
995 | // Determine offset in struct LttTime |
6cd62ccf |
996 | lTimeOffset.tv_nsec = (long)lEventNSec % 1000000000; |
997 | lTimeOffset.tv_sec = (long)lEventNSec / 1000000000; |
998 | |
963b5f2d |
999 | TimeAdd(time, tf->a_block_start->time, lTimeOffset); |
6cd62ccf |
1000 | |
1001 | return time; |
1002 | } |
1003 | |
1004 | /***************************************************************************** |
1005 | *Function name |
1006 | * setFieldsOffset : set offset of the fields |
1007 | *Input params |
1008 | * tracefile : opened trace file |
1009 | * evT : the event type |
1010 | * evD : event data, it may be NULL |
1011 | ****************************************************************************/ |
1012 | |
40331ba8 |
1013 | void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace* t) |
6cd62ccf |
1014 | { |
963b5f2d |
1015 | LttField * rootFld = evT->root_field; |
6cd62ccf |
1016 | // rootFld->base_address = evD; |
1017 | |
40331ba8 |
1018 | rootFld->field_size = getFieldtypeSize(tf, evT, 0,0,rootFld, evD,t); |
6cd62ccf |
1019 | } |
1020 | |
1021 | /***************************************************************************** |
1022 | *Function name |
1023 | * getFieldtypeSize: get the size of the field type (primitive type) |
1024 | *Input params |
1025 | * tracefile : opened trace file |
1026 | * evT : event type |
1027 | * offsetRoot : offset from the root |
1028 | * offsetParent : offset from the parrent |
1029 | * fld : field |
1030 | * evD : event data, it may be NULL |
1031 | *Return value |
1032 | * int : size of the field |
1033 | ****************************************************************************/ |
1034 | |
963b5f2d |
1035 | int getFieldtypeSize(LttTracefile * t, LttEventType * evT, int offsetRoot, |
40331ba8 |
1036 | int offsetParent, LttField * fld, void *evD, LttTrace *trace) |
6cd62ccf |
1037 | { |
1038 | int size, size1, element_number, i, offset1, offset2; |
963b5f2d |
1039 | LttType * type = fld->field_type; |
6cd62ccf |
1040 | |
963b5f2d |
1041 | if(!t){ |
1042 | if(evT->latest_block==t->which_block && evT->latest_event==t->which_event){ |
1043 | return fld->field_size; |
1044 | } |
1045 | } |
6cd62ccf |
1046 | |
1047 | if(fld->field_fixed == 1){ |
1048 | if(fld == evT->root_field) return fld->field_size; |
1049 | } |
1050 | |
1051 | if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY && |
1052 | type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){ |
1053 | if(fld->field_fixed == -1){ |
40331ba8 |
1054 | size = (int) ltt_type_size(trace, type); |
6cd62ccf |
1055 | fld->field_fixed = 1; |
1056 | }else size = fld->field_size; |
1057 | |
1058 | }else if(type->type_class == LTT_ARRAY){ |
1059 | element_number = (int) type->element_number; |
1060 | if(fld->field_fixed == -1){ |
40331ba8 |
1061 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace); |
6cd62ccf |
1062 | if(size == 0){ //has string or sequence |
1063 | fld->field_fixed = 0; |
1064 | }else{ |
1065 | fld->field_fixed = 1; |
1066 | size *= element_number; |
1067 | } |
1068 | }else if(fld->field_fixed == 0){// has string or sequence |
1069 | size = 0; |
1070 | for(i=0;i<element_number;i++){ |
1071 | size += getFieldtypeSize(t, evT, offsetRoot+size,size, |
40331ba8 |
1072 | fld->child[0], evD+size, trace); |
6cd62ccf |
1073 | } |
1074 | }else size = fld->field_size; |
1075 | |
1076 | }else if(type->type_class == LTT_SEQUENCE){ |
40331ba8 |
1077 | size1 = (int) ltt_type_size(trace, type); |
6cd62ccf |
1078 | if(fld->field_fixed == -1){ |
1079 | fld->field_fixed = 0; |
40331ba8 |
1080 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace); |
6cd62ccf |
1081 | fld->element_size = size; |
1082 | }else{//0: sequence |
1083 | element_number = getIntNumber(size1,evD); |
1084 | type->element_number = element_number; |
1085 | if(fld->element_size > 0){ |
1086 | size = element_number * fld->element_size; |
1087 | }else{//sequence has string or sequence |
1088 | size = 0; |
1089 | for(i=0;i<element_number;i++){ |
1090 | size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1, |
40331ba8 |
1091 | fld->child[0], evD+size+size1, trace); |
6cd62ccf |
1092 | } |
1093 | } |
1094 | size += size1; |
1095 | } |
1096 | |
1097 | }else if(type->type_class == LTT_STRING){ |
1098 | size = 0; |
1099 | if(fld->field_fixed == -1){ |
1100 | fld->field_fixed = 0; |
1101 | }else{//0: string |
1102 | size = sizeof((char*)evD) + 1; //include end : '\0' |
1103 | } |
1104 | |
1105 | }else if(type->type_class == LTT_STRUCT){ |
1106 | element_number = (int) type->element_number; |
1107 | size = 0; |
1108 | if(fld->field_fixed == -1){ |
1109 | offset1 = offsetRoot; |
1110 | offset2 = 0; |
1111 | for(i=0;i<element_number;i++){ |
40331ba8 |
1112 | size1=getFieldtypeSize(t, evT,offset1,offset2, fld->child[i], NULL, trace); |
6cd62ccf |
1113 | if(size1 > 0 && size >= 0){ |
1114 | size += size1; |
1115 | if(offset1 >= 0) offset1 += size1; |
1116 | offset2 += size1; |
1117 | }else{ |
1118 | size = -1; |
1119 | offset1 = -1; |
1120 | offset2 = -1; |
1121 | } |
1122 | } |
1123 | if(size == -1){ |
1124 | fld->field_fixed = 0; |
1125 | size = 0; |
1126 | }else fld->field_fixed = 1; |
1127 | }else if(fld->field_fixed == 0){ |
1128 | offset1 = offsetRoot; |
1129 | offset2 = 0; |
1130 | for(i=0;i<element_number;i++){ |
40331ba8 |
1131 | size=getFieldtypeSize(t,evT,offset1,offset2,fld->child[i],evD+offset2, trace); |
6cd62ccf |
1132 | offset1 += size; |
1133 | offset2 += size; |
1134 | } |
1135 | size = offset2; |
1136 | }else size = fld->field_size; |
1137 | } |
1138 | |
1139 | fld->offset_root = offsetRoot; |
1140 | fld->offset_parent = offsetParent; |
1141 | if(!evD){ |
1142 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1143 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
1144 | } |
1145 | fld->field_size = size; |
1146 | |
1147 | return size; |
1148 | } |
1149 | |
1150 | /***************************************************************************** |
1151 | *Function name |
1152 | * timecmp : compare two time |
1153 | *Input params |
1154 | * t1 : first time |
1155 | * t2 : second time |
1156 | *Return value |
1157 | * int : 0: t1 == t2; -1: t1 < t2; 1: t1 > t2 |
1158 | ****************************************************************************/ |
1159 | |
963b5f2d |
1160 | int timecmp(LttTime * t1, LttTime * t2) |
6cd62ccf |
1161 | { |
963b5f2d |
1162 | LttTime T; |
6cd62ccf |
1163 | TimeSub(T, *t1, *t2); |
1164 | if(T.tv_sec == 0 && T.tv_nsec == 0) return 0; |
1165 | else if(T.tv_sec > 0 || (T.tv_sec==0 && T.tv_nsec > 0)) return 1; |
1166 | else return -1; |
1167 | } |
1168 | |
1169 | /***************************************************************************** |
1170 | *Function name |
1171 | * getIntNumber : get an integer number |
1172 | *Input params |
1173 | * size : the size of the integer |
1174 | * evD : the event data |
1175 | *Return value |
1176 | * int : an integer |
1177 | ****************************************************************************/ |
1178 | |
1179 | int getIntNumber(int size, void *evD) |
1180 | { |
1181 | int64_t i; |
1182 | if(size == 1) i = *(int8_t *)evD; |
1183 | else if(size == 2) i = *(int16_t *)evD; |
1184 | else if(size == 4) i = *(int32_t *)evD; |
1185 | else if(size == 8) i = *(int64_t *)evD; |
1186 | |
1187 | return (int) i; |
1188 | } |
1189 | |
1190 | /***************************************************************************** |
1191 | *Function name |
1192 | * getDataEndianType : get the data type size and endian type of the local |
1193 | * machine |
1194 | *Input params |
1195 | * size : size of data type |
1196 | * endian : endian type, little or big |
1197 | ****************************************************************************/ |
1198 | |
963b5f2d |
1199 | void getDataEndianType(LttArchSize * size, LttArchEndian * endian) |
6cd62ccf |
1200 | { |
1201 | int i = 1; |
1202 | char c = (char) i; |
1203 | int sizeInt=sizeof(int), sizeLong=sizeof(long), sizePointer=sizeof(void *); |
1204 | |
1205 | if(c == 1) *endian = LTT_LITTLE_ENDIAN; |
1206 | else *endian = LTT_BIG_ENDIAN; |
1207 | |
1208 | if(sizeInt == 2 && sizeLong == 4 && sizePointer == 4) |
1209 | *size = LTT_LP32; |
1210 | else if(sizeInt == 4 && sizeLong == 4 && sizePointer == 4) |
1211 | *size = LTT_ILP32; |
1212 | else if(sizeInt == 4 && sizeLong == 8 && sizePointer == 8) |
1213 | *size = LTT_LP64; |
1214 | else if(sizeInt == 8 && sizeLong == 8 && sizePointer == 8) |
1215 | *size = LTT_ILP64; |
1216 | else *size = LTT_UNKNOWN; |
1217 | } |
1218 | |