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> |
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11 | |
963b5f2d |
12 | #define DIR_NAME_SIZE 256 |
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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 | |
6cd62ccf |
39 | |
6cd62ccf |
40 | |
41 | /***************************************************************************** |
42 | *Function name |
963b5f2d |
43 | * ltt_tracefile_open : open a trace file, construct a LttTracefile |
6cd62ccf |
44 | *Input params |
963b5f2d |
45 | * t : the trace containing the tracefile |
46 | * fileName : path name of the trace file |
6cd62ccf |
47 | *Return value |
963b5f2d |
48 | * : a pointer to a tracefile |
6cd62ccf |
49 | ****************************************************************************/ |
50 | |
963b5f2d |
51 | LttTracefile* ltt_tracefile_open(LttTrace * t, char * fileName) |
6cd62ccf |
52 | { |
963b5f2d |
53 | LttTracefile * tf; |
54 | struct stat lTDFStat; /* Trace data file status */ |
55 | BlockStart a_block_start; |
6cd62ccf |
56 | |
963b5f2d |
57 | tf = g_new(LttTracefile, 1); |
6cd62ccf |
58 | |
59 | //open the file |
963b5f2d |
60 | tf->name = g_strdup(fileName); |
61 | tf->trace = t; |
6cd62ccf |
62 | tf->fd = open(fileName, O_RDONLY, 0); |
63 | if(tf->fd < 0){ |
64 | g_error("Unable to open input data file %s\n", fileName); |
65 | } |
66 | |
67 | // Get the file's status |
68 | if(fstat(tf->fd, &lTDFStat) < 0){ |
69 | g_error("Unable to get the status of the input data file %s\n", fileName); |
70 | } |
71 | |
72 | // Is the file large enough to contain a trace |
963b5f2d |
73 | if(lTDFStat.st_size < sizeof(BlockStart) + EVENT_HEADER_SIZE){ |
8710c6c7 |
74 | g_print("The input data file %s does not contain a trace\n", fileName); |
663bd9ff |
75 | g_free(tf->name); |
76 | close(tf->fd); |
77 | g_free(tf); |
8710c6c7 |
78 | return NULL; |
6cd62ccf |
79 | } |
80 | |
81 | //store the size of the file |
82 | tf->file_size = lTDFStat.st_size; |
963b5f2d |
83 | tf->block_size = t->system_description->ltt_block_size; |
84 | tf->block_number = tf->file_size / tf->block_size; |
85 | tf->which_block = 0; |
6cd62ccf |
86 | |
87 | //allocate memory to contain the info of a block |
963b5f2d |
88 | tf->buffer = (void *) g_new(char, t->system_description->ltt_block_size); |
6cd62ccf |
89 | |
963b5f2d |
90 | //read the first block |
91 | if(readBlock(tf,1)) exit(1); |
6cd62ccf |
92 | |
93 | return tf; |
94 | } |
95 | |
6cd62ccf |
96 | |
97 | /***************************************************************************** |
963b5f2d |
98 | *Open control and per cpu tracefiles |
6cd62ccf |
99 | ****************************************************************************/ |
100 | |
963b5f2d |
101 | void ltt_tracefile_open_cpu(LttTrace *t, char * tracefile_name) |
6cd62ccf |
102 | { |
963b5f2d |
103 | LttTracefile * tf; |
104 | tf = ltt_tracefile_open(t,tracefile_name); |
4a6c8e36 |
105 | if(!tf) return; |
963b5f2d |
106 | t->per_cpu_tracefile_number++; |
107 | g_ptr_array_add(t->per_cpu_tracefiles, tf); |
6cd62ccf |
108 | } |
109 | |
963b5f2d |
110 | void ltt_tracefile_open_control(LttTrace *t, char * control_name) |
6cd62ccf |
111 | { |
963b5f2d |
112 | LttTracefile * tf; |
113 | LttEvent * ev; |
114 | LttFacility * f; |
115 | uint16_t evId; |
116 | void * pos; |
117 | FacilityLoad fLoad; |
118 | int i; |
119 | |
120 | tf = ltt_tracefile_open(t,control_name); |
8710c6c7 |
121 | if(!tf) return; |
963b5f2d |
122 | t->control_tracefile_number++; |
123 | g_ptr_array_add(t->control_tracefiles,tf); |
124 | |
125 | //parse facilities tracefile to get base_id |
542ceddd |
126 | if(strcmp(&control_name[strlen(control_name)-10],"facilities") ==0){ |
963b5f2d |
127 | while(1){ |
40331ba8 |
128 | ev = ltt_tracefile_read(tf); |
129 | if(!ev)return; // end of file |
130 | |
131 | if(ev->event_id == TRACE_FACILITY_LOAD){ |
132 | pos = ev->data; |
963b5f2d |
133 | fLoad.name = (char*)pos; |
47a166fc |
134 | fLoad.checksum = *(LttChecksum*)(pos + strlen(fLoad.name)); |
135 | fLoad.base_code = *(uint32_t*)(pos + strlen(fLoad.name) + sizeof(LttChecksum)); |
963b5f2d |
136 | |
137 | for(i=0;i<t->facility_number;i++){ |
138 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
139 | if(strcmp(f->name,fLoad.name)==0 && fLoad.checksum==f->checksum){ |
140 | f->base_id = fLoad.base_code; |
141 | break; |
142 | } |
143 | } |
144 | if(i==t->facility_number) |
145 | g_error("Facility: %s, checksum: %d is not founded\n", |
146 | fLoad.name,fLoad.checksum); |
40331ba8 |
147 | }else if(ev->event_id == TRACE_BLOCK_START){ |
148 | continue; |
149 | }else if(ev->event_id == TRACE_BLOCK_END){ |
150 | break; |
963b5f2d |
151 | }else g_error("Not valid facilities trace file\n"); |
62e55dd6 |
152 | g_free(ev); |
963b5f2d |
153 | } |
154 | } |
6cd62ccf |
155 | } |
156 | |
157 | /***************************************************************************** |
158 | *Function name |
963b5f2d |
159 | * ltt_tracefile_close: close a trace file, |
6cd62ccf |
160 | *Input params |
963b5f2d |
161 | * t : tracefile which will be closed |
6cd62ccf |
162 | ****************************************************************************/ |
163 | |
963b5f2d |
164 | void ltt_tracefile_close(LttTracefile *t) |
6cd62ccf |
165 | { |
963b5f2d |
166 | g_free(t->name); |
167 | g_free(t->buffer); |
663bd9ff |
168 | close(t->fd); |
963b5f2d |
169 | g_free(t); |
170 | } |
6cd62ccf |
171 | |
6cd62ccf |
172 | |
963b5f2d |
173 | /***************************************************************************** |
174 | *Get system information |
175 | ****************************************************************************/ |
176 | void getSystemInfo(LttSystemDescription* des, char * pathname) |
177 | { |
178 | FILE * fp; |
179 | int i; |
180 | int entry_number = 15; |
181 | char buf[DIR_NAME_SIZE]; |
182 | char description[4*DIR_NAME_SIZE]; |
183 | char * ptr; |
184 | |
185 | fp = fopen(pathname,"r"); |
186 | if(!fp){ |
187 | g_error("Can not open file : %s\n", pathname); |
6cd62ccf |
188 | } |
963b5f2d |
189 | |
190 | while(fgets(buf,DIR_NAME_SIZE, fp)!= NULL){ |
191 | ptr = buf; |
192 | while(isspace(*ptr)) ptr++; |
193 | if(strlen(ptr) == 0) continue; |
194 | break; |
6cd62ccf |
195 | } |
196 | |
963b5f2d |
197 | if(strlen(ptr) == 0) g_error("Not a valid file: %s\n", pathname); |
198 | if(strncmp("<system",ptr,7) !=0)g_error("Not a valid file: %s\n", pathname); |
199 | |
200 | for(i=0;i<entry_number;i++){ |
201 | if(fgets(buf,DIR_NAME_SIZE, fp)== NULL) |
202 | g_error("Not a valid file: %s\n", pathname); |
8710c6c7 |
203 | buf[strlen(buf)-1] = '\0'; |
963b5f2d |
204 | ptr = buf; |
205 | while(isspace(*ptr)) ptr++; |
206 | switch(i){ |
207 | case 0: |
208 | if(strncmp("node_name=",ptr,10)!=0) |
209 | g_error("Not a valid file: %s\n", pathname); |
210 | des->node_name = g_strdup(ptr+10); |
211 | break; |
212 | case 1: |
213 | if(strncmp("domainname=",ptr,11)!=0) |
214 | g_error("Not a valid file: %s\n", pathname); |
215 | des->domain_name = g_strdup(ptr+11); |
216 | break; |
217 | case 2: |
218 | if(strncmp("cpu=",ptr,4)!=0) |
219 | g_error("Not a valid file: %s\n", pathname); |
220 | des->nb_cpu = (unsigned)atoi(ptr+4); |
221 | break; |
222 | case 3: |
223 | if(strncmp("arch_size=",ptr,10)!=0) |
224 | g_error("Not a valid file: %s\n", pathname); |
225 | if(strcmp(ptr+10,"\"LP32\"") == 0) des->size = LTT_LP32; |
226 | else if(strcmp(ptr+10,"\"ILP32\"") == 0) des->size = LTT_ILP32; |
227 | else if(strcmp(ptr+10,"\"LP64\"") == 0) des->size = LTT_LP64; |
228 | else if(strcmp(ptr+10,"\"ILP64\"") == 0) des->size = LTT_ILP64; |
229 | else if(strcmp(ptr+10,"\"UNKNOWN\"") == 0) des->size = LTT_UNKNOWN; |
230 | break; |
231 | case 4: |
232 | if(strncmp("endian=",ptr,7)!=0) |
233 | g_error("Not a valid file: %s\n", pathname); |
234 | if(strcmp(ptr+7,"\"LITTLE_ENDIAN\"") == 0) |
235 | des->endian = LTT_LITTLE_ENDIAN; |
236 | else if(strcmp(ptr+7,"\"BIG_ENDIAN\"") == 0) |
237 | des->endian = LTT_BIG_ENDIAN; |
238 | break; |
239 | case 5: |
240 | if(strncmp("kernel_name=",ptr,12)!=0) |
241 | g_error("Not a valid file: %s\n", pathname); |
242 | des->kernel_name = g_strdup(ptr+12); |
243 | break; |
244 | case 6: |
245 | if(strncmp("kernel_release=",ptr,15)!=0) |
246 | g_error("Not a valid file: %s\n", pathname); |
247 | des->kernel_release = g_strdup(ptr+15); |
248 | break; |
249 | case 7: |
250 | if(strncmp("kernel_version=",ptr,15)!=0) |
251 | g_error("Not a valid file: %s\n", pathname); |
252 | des->kernel_version = g_strdup(ptr+15); |
253 | break; |
254 | case 8: |
255 | if(strncmp("machine=",ptr,8)!=0) |
256 | g_error("Not a valid file: %s\n", pathname); |
257 | des->machine = g_strdup(ptr+8); |
258 | break; |
259 | case 9: |
260 | if(strncmp("processor=",ptr,10)!=0) |
261 | g_error("Not a valid file: %s\n", pathname); |
262 | des->processor = g_strdup(ptr+10); |
263 | break; |
264 | case 10: |
265 | if(strncmp("hardware_platform=",ptr,18)!=0) |
266 | g_error("Not a valid file: %s\n", pathname); |
267 | des->hardware_platform = g_strdup(ptr+18); |
268 | break; |
269 | case 11: |
270 | if(strncmp("operating_system=",ptr,17)!=0) |
271 | g_error("Not a valid file: %s\n", pathname); |
272 | des->operating_system = g_strdup(ptr+17); |
273 | break; |
274 | case 12: |
275 | if(strncmp("ltt_major_version=",ptr,18)!=0) |
276 | g_error("Not a valid file: %s\n", pathname); |
277 | ptr += 18; |
8710c6c7 |
278 | // ptr++;//skip begining " |
279 | // ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
963b5f2d |
280 | des->ltt_major_version = (unsigned)atoi(ptr); |
281 | break; |
282 | case 13: |
283 | if(strncmp("ltt_minor_version=",ptr,18)!=0) |
284 | g_error("Not a valid file: %s\n", pathname); |
285 | ptr += 18; |
8710c6c7 |
286 | // ptr++;//skip begining " |
287 | // ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
963b5f2d |
288 | des->ltt_minor_version = (unsigned)atoi(ptr); |
289 | break; |
290 | case 14: |
291 | if(strncmp("ltt_block_size=",ptr,15)!=0) |
292 | g_error("Not a valid file: %s\n", pathname); |
293 | ptr += 15; |
8710c6c7 |
294 | // ptr++;//skip begining " |
295 | // ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
963b5f2d |
296 | des->ltt_block_size = (unsigned)atoi(ptr); |
297 | break; |
298 | default: |
299 | g_error("Not a valid file: %s\n", pathname); |
300 | } |
6cd62ccf |
301 | } |
302 | |
963b5f2d |
303 | //get description |
304 | description[0] = '\0'; |
305 | if(fgets(buf,DIR_NAME_SIZE, fp)== NULL) |
306 | g_error("Not a valid file: %s\n", pathname); |
307 | ptr = buf; |
308 | while(isspace(*ptr)) ptr++; |
309 | if(*ptr != '>') g_error("Not a valid file: %s\n", pathname); |
310 | while((ptr=fgets(buf,DIR_NAME_SIZE, fp))!= NULL){ |
311 | ptr = buf; |
312 | while(isspace(*ptr)) ptr++; |
313 | if(strncmp("</system>",ptr,9) == 0 )break; |
314 | strcat(description, buf); |
315 | } |
316 | if(!ptr)g_error("Not a valid file: %s\n", pathname); |
317 | if(description[0] = '\0')des->description = NULL; |
318 | des->description = g_strdup(description); |
6cd62ccf |
319 | |
963b5f2d |
320 | fclose(fp); |
6cd62ccf |
321 | } |
322 | |
323 | /***************************************************************************** |
963b5f2d |
324 | *The following functions get facility/tracefile information |
6cd62ccf |
325 | ****************************************************************************/ |
326 | |
963b5f2d |
327 | void getFacilityInfo(LttTrace *t, char* eventdefs) |
6cd62ccf |
328 | { |
963b5f2d |
329 | DIR * dir; |
330 | struct dirent *entry; |
331 | char * ptr; |
332 | int i,j; |
333 | LttFacility * f; |
334 | LttEventType * et; |
e8bb1a73 |
335 | char name[DIR_NAME_SIZE]; |
963b5f2d |
336 | |
337 | dir = opendir(eventdefs); |
338 | if(!dir) g_error("Can not open directory: %s\n", eventdefs); |
339 | |
340 | while((entry = readdir(dir)) != NULL){ |
341 | ptr = &entry->d_name[strlen(entry->d_name)-4]; |
342 | if(strcmp(ptr,".xml") != 0) continue; |
e8bb1a73 |
343 | strcpy(name,eventdefs); |
344 | strcat(name,entry->d_name); |
345 | ltt_facility_open(t,name); |
963b5f2d |
346 | } |
347 | closedir(dir); |
348 | |
963b5f2d |
349 | for(j=0;j<t->facility_number;j++){ |
8710c6c7 |
350 | f = (LttFacility*)g_ptr_array_index(t->facilities, j); |
963b5f2d |
351 | for(i=0; i<f->event_number; i++){ |
352 | et = f->events[i]; |
40331ba8 |
353 | setFieldsOffset(NULL, et, NULL, t); |
963b5f2d |
354 | } |
355 | } |
356 | } |
6cd62ccf |
357 | |
963b5f2d |
358 | void getControlFileInfo(LttTrace *t, char* control) |
6cd62ccf |
359 | { |
963b5f2d |
360 | DIR * dir; |
361 | struct dirent *entry; |
e8bb1a73 |
362 | char name[DIR_NAME_SIZE]; |
963b5f2d |
363 | |
364 | dir = opendir(control); |
365 | if(!dir) g_error("Can not open directory: %s\n", control); |
366 | |
367 | while((entry = readdir(dir)) != NULL){ |
8710c6c7 |
368 | if(strcmp(entry->d_name,"facilities") != 0 && |
369 | strcmp(entry->d_name,"interrupts") != 0 && |
963b5f2d |
370 | strcmp(entry->d_name,"processes") != 0) continue; |
371 | |
e8bb1a73 |
372 | strcpy(name,control); |
373 | strcat(name,entry->d_name); |
374 | ltt_tracefile_open_control(t,name); |
963b5f2d |
375 | } |
376 | closedir(dir); |
6cd62ccf |
377 | } |
378 | |
963b5f2d |
379 | void getCpuFileInfo(LttTrace *t, char* cpu) |
6cd62ccf |
380 | { |
963b5f2d |
381 | DIR * dir; |
382 | struct dirent *entry; |
e8bb1a73 |
383 | char name[DIR_NAME_SIZE]; |
963b5f2d |
384 | |
385 | dir = opendir(cpu); |
386 | if(!dir) g_error("Can not open directory: %s\n", cpu); |
387 | |
388 | while((entry = readdir(dir)) != NULL){ |
8710c6c7 |
389 | if(strcmp(entry->d_name,".") != 0 && |
963b5f2d |
390 | strcmp(entry->d_name,"..") != 0 ){ |
e8bb1a73 |
391 | strcpy(name,cpu); |
392 | strcat(name,entry->d_name); |
393 | ltt_tracefile_open_cpu(t,name); |
963b5f2d |
394 | }else continue; |
395 | } |
396 | closedir(dir); |
6cd62ccf |
397 | } |
398 | |
963b5f2d |
399 | /***************************************************************************** |
400 | *A trace is specified as a pathname to the directory containing all the |
401 | *associated data (control tracefiles, per cpu tracefiles, event |
402 | *descriptions...). |
403 | * |
404 | *When a trace is closed, all the associated facilities, types and fields |
405 | *are released as well. |
406 | ****************************************************************************/ |
6cd62ccf |
407 | |
963b5f2d |
408 | LttTrace *ltt_trace_open(char *pathname) |
6cd62ccf |
409 | { |
963b5f2d |
410 | LttTrace * t; |
411 | LttSystemDescription * sys_description; |
412 | char eventdefs[DIR_NAME_SIZE]; |
413 | char info[DIR_NAME_SIZE]; |
414 | char control[DIR_NAME_SIZE]; |
415 | char cpu[DIR_NAME_SIZE]; |
416 | char tmp[DIR_NAME_SIZE]; |
417 | gboolean has_slash = FALSE; |
418 | |
419 | //establish the pathname to different directories |
420 | if(pathname[strlen(pathname)-1] == '/')has_slash = TRUE; |
421 | strcpy(eventdefs,pathname); |
422 | if(!has_slash)strcat(eventdefs,"/"); |
423 | strcat(eventdefs,"eventdefs/"); |
424 | |
425 | strcpy(info,pathname); |
426 | if(!has_slash)strcat(info,"/"); |
427 | strcat(info,"info/"); |
428 | |
429 | strcpy(control,pathname); |
430 | if(!has_slash)strcat(control,"/"); |
431 | strcat(control,"control/"); |
432 | |
433 | strcpy(cpu,pathname); |
434 | if(!has_slash)strcat(cpu,"/"); |
435 | strcat(cpu,"cpu/"); |
436 | |
437 | //new trace |
438 | t = g_new(LttTrace, 1); |
439 | sys_description = g_new(LttSystemDescription, 1); |
440 | t->pathname = g_strdup(pathname); |
441 | t->facility_number = 0; |
442 | t->control_tracefile_number = 0; |
443 | t->per_cpu_tracefile_number = 0; |
444 | t->system_description = sys_description; |
445 | t->control_tracefiles = g_ptr_array_new(); |
446 | t->per_cpu_tracefiles = g_ptr_array_new(); |
447 | t->facilities = g_ptr_array_new(); |
448 | getDataEndianType(&(t->my_arch_size), &(t->my_arch_endian)); |
449 | |
450 | //get system description |
451 | strcpy(tmp,info); |
452 | strcat(tmp,"system.xml"); |
453 | getSystemInfo(sys_description, tmp); |
454 | |
b333a76b |
455 | //get facilities info |
456 | getFacilityInfo(t,eventdefs); |
457 | |
963b5f2d |
458 | //get control tracefile info |
459 | getControlFileInfo(t,control); |
460 | |
461 | //get cpu tracefile info |
462 | getCpuFileInfo(t,cpu); |
463 | |
963b5f2d |
464 | return t; |
6cd62ccf |
465 | } |
466 | |
963b5f2d |
467 | void ltt_trace_close(LttTrace *t) |
6cd62ccf |
468 | { |
963b5f2d |
469 | int i; |
470 | LttTracefile * tf; |
471 | LttFacility * f; |
472 | |
473 | g_free(t->pathname); |
474 | |
475 | //free system_description |
476 | g_free(t->system_description->description); |
477 | g_free(t->system_description->node_name); |
478 | g_free(t->system_description->domain_name); |
479 | g_free(t->system_description->kernel_name); |
480 | g_free(t->system_description->kernel_release); |
481 | g_free(t->system_description->kernel_version); |
482 | g_free(t->system_description->machine); |
483 | g_free(t->system_description->processor); |
484 | g_free(t->system_description->hardware_platform); |
485 | g_free(t->system_description->operating_system); |
486 | g_free(t->system_description); |
487 | |
488 | //free control_tracefiles |
489 | for(i=0;i<t->control_tracefile_number;i++){ |
490 | tf = (LttTracefile*)g_ptr_array_index(t->control_tracefiles,i); |
491 | ltt_tracefile_close(tf); |
492 | } |
09ad4797 |
493 | g_ptr_array_free(t->control_tracefiles, TRUE); |
963b5f2d |
494 | |
495 | //free per_cpu_tracefiles |
496 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
497 | tf = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,i); |
498 | ltt_tracefile_close(tf); |
499 | } |
09ad4797 |
500 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
963b5f2d |
501 | |
502 | //free facilities |
503 | for(i=0;i<t->facility_number;i++){ |
504 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
505 | ltt_facility_close(f); |
506 | } |
09ad4797 |
507 | g_ptr_array_free(t->facilities, TRUE); |
963b5f2d |
508 | |
509 | g_free(t); |
09ad4797 |
510 | |
511 | g_blow_chunks(); |
6cd62ccf |
512 | } |
513 | |
963b5f2d |
514 | |
6cd62ccf |
515 | /***************************************************************************** |
963b5f2d |
516 | *Get the system description of the trace |
6cd62ccf |
517 | ****************************************************************************/ |
518 | |
963b5f2d |
519 | LttSystemDescription *ltt_trace_system_description(LttTrace *t) |
6cd62ccf |
520 | { |
963b5f2d |
521 | return t->system_description; |
6cd62ccf |
522 | } |
523 | |
524 | /***************************************************************************** |
963b5f2d |
525 | * The following functions discover the facilities of the trace |
6cd62ccf |
526 | ****************************************************************************/ |
527 | |
963b5f2d |
528 | unsigned ltt_trace_facility_number(LttTrace *t) |
529 | { |
530 | return (unsigned)(t->facility_number); |
531 | } |
532 | |
533 | LttFacility *ltt_trace_facility_get(LttTrace *t, unsigned i) |
6cd62ccf |
534 | { |
963b5f2d |
535 | return (LttFacility*)g_ptr_array_index(t->facilities, i); |
6cd62ccf |
536 | } |
537 | |
538 | /***************************************************************************** |
539 | *Function name |
963b5f2d |
540 | * ltt_trace_facility_find : find facilities in the trace |
6cd62ccf |
541 | *Input params |
963b5f2d |
542 | * t : the trace |
543 | * name : facility name |
544 | *Output params |
545 | * position : position of the facility in the trace |
6cd62ccf |
546 | *Return value |
963b5f2d |
547 | * : the number of facilities |
6cd62ccf |
548 | ****************************************************************************/ |
549 | |
963b5f2d |
550 | unsigned ltt_trace_facility_find(LttTrace *t, char *name, unsigned *position) |
6cd62ccf |
551 | { |
963b5f2d |
552 | int i, count=0; |
553 | LttFacility * f; |
8a3005f3 |
554 | for(i=0;i<t->facility_number;i++){ |
963b5f2d |
555 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
556 | if(strcmp(f->name,name)==0){ |
557 | count++; |
558 | if(count==1) *position = i; |
559 | }else{ |
560 | if(count) break; |
561 | } |
562 | } |
563 | return count; |
6cd62ccf |
564 | } |
565 | |
566 | /***************************************************************************** |
963b5f2d |
567 | * Functions to discover all the event types in the trace |
6cd62ccf |
568 | ****************************************************************************/ |
569 | |
963b5f2d |
570 | unsigned ltt_trace_eventtype_number(LttTrace *t) |
6cd62ccf |
571 | { |
963b5f2d |
572 | int i; |
573 | unsigned count = 0; |
574 | LttFacility * f; |
575 | for(i=0;i=t->facility_number;i++){ |
576 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
577 | count += f->event_number; |
578 | } |
579 | return count; |
6cd62ccf |
580 | } |
581 | |
963b5f2d |
582 | LttFacility * ltt_trace_facility_by_id(LttTrace * trace, unsigned id) |
6cd62ccf |
583 | { |
963b5f2d |
584 | LttFacility * facility; |
585 | int i; |
586 | for(i=0;i<trace->facility_number;i++){ |
587 | facility = (LttFacility*) g_ptr_array_index(trace->facilities,i); |
588 | if(id >= facility->base_id && |
589 | id < facility->base_id + facility->event_number) |
590 | break; |
591 | } |
592 | if(i==trace->facility_number) return NULL; |
593 | else return facility; |
6cd62ccf |
594 | } |
595 | |
963b5f2d |
596 | LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId) |
6cd62ccf |
597 | { |
963b5f2d |
598 | LttFacility * f; |
599 | f = ltt_trace_facility_by_id(t,evId); |
600 | if(!f) return NULL; |
601 | return f->events[evId - f->base_id]; |
6cd62ccf |
602 | } |
603 | |
604 | /***************************************************************************** |
963b5f2d |
605 | *There is one "per cpu" tracefile for each CPU, numbered from 0 to |
606 | *the maximum number of CPU in the system. When the number of CPU installed |
607 | *is less than the maximum, some positions are unused. There are also a |
608 | *number of "control" tracefiles (facilities, interrupts...). |
6cd62ccf |
609 | ****************************************************************************/ |
963b5f2d |
610 | unsigned ltt_trace_control_tracefile_number(LttTrace *t) |
6cd62ccf |
611 | { |
963b5f2d |
612 | return t->control_tracefile_number; |
6cd62ccf |
613 | } |
614 | |
963b5f2d |
615 | unsigned ltt_trace_per_cpu_tracefile_number(LttTrace *t) |
6cd62ccf |
616 | { |
963b5f2d |
617 | return t->per_cpu_tracefile_number; |
6cd62ccf |
618 | } |
619 | |
620 | /***************************************************************************** |
963b5f2d |
621 | *It is possible to search for the tracefiles by name or by CPU position. |
622 | *The index within the tracefiles of the same type is returned if found |
623 | *and a negative value otherwise. |
6cd62ccf |
624 | ****************************************************************************/ |
625 | |
963b5f2d |
626 | int ltt_trace_control_tracefile_find(LttTrace *t, char *name) |
6cd62ccf |
627 | { |
963b5f2d |
628 | LttTracefile * tracefile; |
629 | int i; |
630 | for(i=0;i<t->control_tracefile_number;i++){ |
631 | tracefile = (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i); |
632 | if(strcmp(tracefile->name, name)==0)break; |
633 | } |
634 | if(i == t->control_tracefile_number) return -1; |
635 | return i; |
6cd62ccf |
636 | } |
637 | |
963b5f2d |
638 | int ltt_trace_per_cpu_tracefile_find(LttTrace *t, unsigned i) |
6cd62ccf |
639 | { |
963b5f2d |
640 | LttTracefile * tracefile; |
641 | int j, name; |
642 | for(j=0;j<t->per_cpu_tracefile_number;j++){ |
643 | tracefile = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, j); |
644 | name = atoi(tracefile->name); |
645 | if(name == (int)i)break; |
646 | } |
647 | if(j == t->per_cpu_tracefile_number) return -1; |
648 | return j; |
6cd62ccf |
649 | } |
650 | |
651 | /***************************************************************************** |
963b5f2d |
652 | *Get a specific tracefile |
6cd62ccf |
653 | ****************************************************************************/ |
654 | |
963b5f2d |
655 | LttTracefile *ltt_trace_control_tracefile_get(LttTrace *t, unsigned i) |
6cd62ccf |
656 | { |
963b5f2d |
657 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
658 | } |
659 | |
660 | LttTracefile *ltt_trace_per_cpu_tracefile_get(LttTrace *t, unsigned i) |
661 | { |
662 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
6cd62ccf |
663 | } |
664 | |
665 | /***************************************************************************** |
963b5f2d |
666 | *Get the name of a tracefile |
6cd62ccf |
667 | ****************************************************************************/ |
668 | |
963b5f2d |
669 | char *ltt_tracefile_name(LttTracefile *tf) |
6cd62ccf |
670 | { |
963b5f2d |
671 | return tf->name; |
6cd62ccf |
672 | } |
673 | |
674 | /***************************************************************************** |
675 | *Function name |
676 | * ltt_tracefile_seek_time: seek to the first event of the trace with time |
677 | * larger or equal to time |
678 | *Input params |
679 | * t : tracefile |
680 | * time : criteria of the time |
6cd62ccf |
681 | ****************************************************************************/ |
682 | |
963b5f2d |
683 | void ltt_tracefile_seek_time(LttTracefile *t, LttTime time) |
6cd62ccf |
684 | { |
685 | int err; |
963b5f2d |
686 | LttTime lttTime; |
687 | int headTime = timecmp(&(t->a_block_start->time), &time); |
688 | int tailTime = timecmp(&(t->a_block_end->time), &time); |
62e55dd6 |
689 | LttEvent * ev; |
690 | |
6cd62ccf |
691 | if(headTime < 0 && tailTime > 0){ |
692 | lttTime = getEventTime(t); |
693 | err = timecmp(<tTime, &time); |
963b5f2d |
694 | if(err > 0){ |
40331ba8 |
695 | if(t->which_event==2 || timecmp(&t->prev_event_time,&time)<0){ |
963b5f2d |
696 | return; |
697 | }else{ |
6cd62ccf |
698 | updateTracefile(t); |
699 | return ltt_tracefile_seek_time(t, time); |
700 | } |
701 | }else if(err < 0){ |
1a3b8cbd |
702 | while(1){ |
703 | ev = ltt_tracefile_read(t); |
704 | if(ev == NULL){ |
705 | g_print("End of file\n"); |
706 | return; |
707 | } |
708 | g_free(ev); |
709 | lttTime = getEventTime(t); |
710 | err = timecmp(<tTime, &time); |
711 | if(err >= 0)return; |
963b5f2d |
712 | } |
963b5f2d |
713 | }else return; |
6cd62ccf |
714 | }else if(headTime > 0){ |
715 | if(t->which_block == 1){ |
716 | updateTracefile(t); |
717 | }else{ |
40331ba8 |
718 | if(timecmp(&(t->prev_block_end_time),&time) >= 0 ){ |
6cd62ccf |
719 | err=readBlock(t,t->which_block-1); |
963b5f2d |
720 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
6cd62ccf |
721 | return ltt_tracefile_seek_time(t, time) ; |
722 | }else{ |
723 | updateTracefile(t); |
724 | } |
725 | } |
40331ba8 |
726 | }else if(tailTime < 0){ |
6cd62ccf |
727 | if(t->which_block != t->block_number){ |
728 | err=readBlock(t,t->which_block+1); |
963b5f2d |
729 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
730 | }else { |
25975c93 |
731 | g_print("End of file\n"); |
963b5f2d |
732 | return; |
733 | } |
6cd62ccf |
734 | if(tailTime < 0) return ltt_tracefile_seek_time(t, time); |
735 | }else if(headTime == 0){ |
736 | updateTracefile(t); |
40331ba8 |
737 | }else if(tailTime == 0){ |
1a3b8cbd |
738 | t->cur_event_pos = t->a_block_end - EVENT_HEADER_SIZE; |
62e55dd6 |
739 | t->current_event_time = time; |
740 | t->cur_heart_beat_number = 0; |
741 | t->prev_event_time.tv_sec = 0; |
742 | t->prev_event_time.tv_nsec = 0; |
40331ba8 |
743 | return; |
6cd62ccf |
744 | } |
6cd62ccf |
745 | } |
746 | |
747 | /***************************************************************************** |
748 | *Function name |
40331ba8 |
749 | * ltt_tracefile_read : read the current event, set the pointer to the next |
6cd62ccf |
750 | *Input params |
751 | * t : tracefile |
752 | *Return value |
963b5f2d |
753 | * LttEvent * : an event to be processed |
6cd62ccf |
754 | ****************************************************************************/ |
755 | |
963b5f2d |
756 | LttEvent *ltt_tracefile_read(LttTracefile *t) |
6cd62ccf |
757 | { |
963b5f2d |
758 | LttEvent * lttEvent = (LttEvent *)g_new(LttEvent, 1); |
759 | int err; |
6cd62ccf |
760 | |
bdc36259 |
761 | if(t->cur_event_pos == t->buffer + t->block_size){ |
762 | if(t->which_block == t->block_number){ |
763 | g_free(lttEvent); |
764 | return NULL; |
765 | } |
766 | err = readBlock(t, t->which_block + 1); |
767 | if(err)g_error("Can not read tracefile"); |
768 | } |
769 | |
963b5f2d |
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 | |
40331ba8 |
774 | t->prev_event_time = t->current_event_time; |
62e55dd6 |
775 | // t->current_event_time = getEventTime(t); |
6cd62ccf |
776 | |
963b5f2d |
777 | lttEvent->time_delta = *(uint32_t*)(t->cur_event_pos + EVENT_ID_SIZE); |
778 | lttEvent->event_time = t->current_event_time; |
779 | |
780 | lttEvent->event_cycle_count = ((uint64_t)1)<<32 * t->cur_heart_beat_number |
781 | + lttEvent->time_delta; |
782 | |
6cd62ccf |
783 | lttEvent->tracefile = t; |
784 | lttEvent->data = t->cur_event_pos + EVENT_HEADER_SIZE; |
908f42fa |
785 | lttEvent->which_block = t->which_block; |
786 | lttEvent->which_event = t->which_event; |
6cd62ccf |
787 | |
40331ba8 |
788 | //update the fields of the current event and go to the next event |
789 | err = skipEvent(t); |
40331ba8 |
790 | if(err == ERANGE) g_error("event id is out of range\n"); |
40331ba8 |
791 | |
6cd62ccf |
792 | return lttEvent; |
793 | } |
794 | |
795 | /**************************************************************************** |
796 | *Function name |
797 | * readFile : wrap function to read from a file |
798 | *Input Params |
799 | * fd : file descriptor |
800 | * buf : buf to contain the content |
801 | * size : number of bytes to be read |
802 | * mesg : message to be printed if some thing goes wrong |
803 | *return value |
804 | * 0 : success |
805 | * EIO : can not read from the file |
806 | ****************************************************************************/ |
807 | |
808 | int readFile(int fd, void * buf, size_t size, char * mesg) |
809 | { |
810 | ssize_t nbBytes; |
811 | nbBytes = read(fd, buf, size); |
812 | if(nbBytes != size){ |
813 | printf("%s\n",mesg); |
814 | return EIO; |
815 | } |
816 | return 0; |
817 | } |
818 | |
819 | /**************************************************************************** |
820 | *Function name |
821 | * readBlock : read a block from the file |
822 | *Input Params |
823 | * lttdes : ltt trace file |
824 | * whichBlock : the block which will be read |
825 | *return value |
826 | * 0 : success |
827 | * EINVAL : lseek fail |
828 | * EIO : can not read from the file |
829 | ****************************************************************************/ |
830 | |
963b5f2d |
831 | int readBlock(LttTracefile * tf, int whichBlock) |
6cd62ccf |
832 | { |
833 | off_t nbBytes; |
834 | uint32_t lostSize; |
835 | |
836 | if(whichBlock - tf->which_block == 1 && tf->which_block != 0){ |
963b5f2d |
837 | tf->prev_block_end_time = tf->a_block_end->time; |
40331ba8 |
838 | tf->prev_event_time = tf->a_block_end->time; |
6cd62ccf |
839 | }else{ |
840 | tf->prev_block_end_time.tv_sec = 0; |
841 | tf->prev_block_end_time.tv_nsec = 0; |
40331ba8 |
842 | tf->prev_event_time.tv_sec = 0; |
843 | tf->prev_event_time.tv_nsec = 0; |
6cd62ccf |
844 | } |
6cd62ccf |
845 | |
963b5f2d |
846 | nbBytes=lseek(tf->fd,(off_t)((whichBlock-1)*tf->block_size), SEEK_SET); |
6cd62ccf |
847 | if(nbBytes == -1) return EINVAL; |
848 | |
963b5f2d |
849 | if(readFile(tf->fd,tf->buffer,tf->block_size,"Unable to read a block")) |
850 | return EIO; |
6cd62ccf |
851 | |
963b5f2d |
852 | tf->a_block_start=(BlockStart *) (tf->buffer + EVENT_HEADER_SIZE); |
853 | lostSize = *(uint32_t*)(tf->buffer + tf->block_size - sizeof(uint32_t)); |
854 | tf->a_block_end=(BlockEnd *)(tf->buffer + tf->block_size - |
855 | lostSize + EVENT_HEADER_SIZE); |
6cd62ccf |
856 | |
6cd62ccf |
857 | tf->which_block = whichBlock; |
963b5f2d |
858 | tf->which_event = 1; |
40331ba8 |
859 | tf->cur_event_pos = tf->buffer;//the beginning of the block, block start ev |
6cd62ccf |
860 | tf->cur_heart_beat_number = 0; |
963b5f2d |
861 | |
6cd62ccf |
862 | getCyclePerNsec(tf); |
863 | |
62e55dd6 |
864 | tf->current_event_time = getEventTime(tf); |
40331ba8 |
865 | |
6cd62ccf |
866 | return 0; |
867 | } |
868 | |
869 | /***************************************************************************** |
870 | *Function name |
871 | * updateTracefile : reinitialize the info of the block which is already |
872 | * in the buffer |
873 | *Input params |
874 | * tf : tracefile |
875 | ****************************************************************************/ |
876 | |
963b5f2d |
877 | void updateTracefile(LttTracefile * tf) |
6cd62ccf |
878 | { |
963b5f2d |
879 | tf->which_event = 1; |
40331ba8 |
880 | tf->cur_event_pos = tf->buffer; |
62e55dd6 |
881 | tf->current_event_time = getEventTime(tf); |
6cd62ccf |
882 | tf->cur_heart_beat_number = 0; |
883 | |
884 | tf->prev_event_time.tv_sec = 0; |
885 | tf->prev_event_time.tv_nsec = 0; |
886 | } |
887 | |
888 | /***************************************************************************** |
889 | *Function name |
890 | * skipEvent : go to the next event, update the fields of the current event |
891 | *Input params |
892 | * t : tracefile |
893 | *return value |
894 | * 0 : success |
6cd62ccf |
895 | * ERANGE : event id is out of range |
896 | ****************************************************************************/ |
897 | |
963b5f2d |
898 | int skipEvent(LttTracefile * t) |
6cd62ccf |
899 | { |
900 | int evId, err; |
901 | void * evData; |
963b5f2d |
902 | LttEventType * evT; |
903 | LttField * rootFld; |
6cd62ccf |
904 | |
963b5f2d |
905 | evId = (int)(*(uint16_t *)(t->cur_event_pos)); |
6cd62ccf |
906 | evData = t->cur_event_pos + EVENT_HEADER_SIZE; |
6cd62ccf |
907 | |
908f42fa |
908 | evT = ltt_trace_eventtype_get(t->trace,(unsigned)evId); |
47a166fc |
909 | |
908f42fa |
910 | if(evT) rootFld = evT->root_field; |
911 | else return ERANGE; |
6cd62ccf |
912 | |
908f42fa |
913 | if(rootFld){ |
914 | //event has string/sequence or the last event is not the same event |
915 | if((evT->latest_block!=t->which_block || evT->latest_event!=t->which_event) |
916 | && rootFld->field_fixed == 0){ |
917 | setFieldsOffset(t, evT, evData, t->trace); |
47a166fc |
918 | } |
908f42fa |
919 | t->cur_event_pos += EVENT_HEADER_SIZE + rootFld->field_size; |
920 | }else t->cur_event_pos += EVENT_HEADER_SIZE; |
921 | |
922 | evT->latest_block = t->which_block; |
923 | evT->latest_event = t->which_event; |
924 | |
6cd62ccf |
925 | //the next event is in the next block |
963b5f2d |
926 | if(evId == TRACE_BLOCK_END){ |
bdc36259 |
927 | t->cur_event_pos = t->buffer + t->block_size; |
6cd62ccf |
928 | }else{ |
929 | t->which_event++; |
62e55dd6 |
930 | t->current_event_time = getEventTime(t); |
6cd62ccf |
931 | } |
932 | |
933 | return 0; |
934 | } |
935 | |
936 | /***************************************************************************** |
937 | *Function name |
938 | * getCyclePerNsec : calculate cycles per nsec for current block |
939 | *Input Params |
940 | * t : tracefile |
941 | ****************************************************************************/ |
942 | |
963b5f2d |
943 | void getCyclePerNsec(LttTracefile * t) |
6cd62ccf |
944 | { |
963b5f2d |
945 | LttTime lBufTotalTime; /* Total time for this buffer */ |
946 | LttCycleCount lBufTotalNSec; /* Total time for this buffer in nsecs */ |
947 | LttCycleCount lBufTotalCycle;/* Total cycles for this buffer */ |
6cd62ccf |
948 | |
949 | /* Calculate the total time for this buffer */ |
963b5f2d |
950 | TimeSub(lBufTotalTime,t->a_block_end->time, t->a_block_start->time); |
6cd62ccf |
951 | |
952 | /* Calculate the total cycles for this bufffer */ |
963b5f2d |
953 | lBufTotalCycle = t->a_block_end->cycle_count |
954 | - t->a_block_start->cycle_count; |
6cd62ccf |
955 | |
956 | /* Convert the total time to nsecs */ |
957 | lBufTotalNSec = lBufTotalTime.tv_sec * 1000000000 + lBufTotalTime.tv_nsec; |
958 | |
959 | t->cycle_per_nsec = (double)lBufTotalCycle / (double)lBufTotalNSec; |
960 | } |
961 | |
962 | /**************************************************************************** |
963 | *Function name |
964 | * getEventTime : obtain the time of an event |
965 | *Input params |
966 | * tf : tracefile |
967 | *Return value |
963b5f2d |
968 | * LttTime : the time of the event |
6cd62ccf |
969 | ****************************************************************************/ |
970 | |
963b5f2d |
971 | LttTime getEventTime(LttTracefile * tf) |
6cd62ccf |
972 | { |
963b5f2d |
973 | LttTime time; |
974 | LttCycleCount cycle_count; // cycle count for the current event |
975 | LttCycleCount lEventTotalCycle; // Total cycles from start for event |
976 | double lEventNSec; // Total usecs from start for event |
977 | LttTime lTimeOffset; // Time offset in struct LttTime |
40331ba8 |
978 | uint16_t evId; |
6cd62ccf |
979 | |
40331ba8 |
980 | evId = *(uint16_t*)tf->cur_event_pos; |
981 | if(evId == TRACE_BLOCK_START) |
982 | return tf->a_block_start->time; |
983 | else if(evId == TRACE_BLOCK_END) |
984 | return tf->a_block_end->time; |
985 | |
986 | |
963b5f2d |
987 | // Calculate total time in cycles from start of buffer for this event |
988 | cycle_count = (LttCycleCount)*(uint32_t*)(tf->cur_event_pos + EVENT_ID_SIZE); |
6cd62ccf |
989 | if(tf->cur_heart_beat_number) |
990 | cycle_count += ((uint64_t)1)<<32 * tf->cur_heart_beat_number; |
963b5f2d |
991 | lEventTotalCycle = cycle_count - tf->a_block_start->cycle_count; |
6cd62ccf |
992 | |
963b5f2d |
993 | // Convert it to nsecs |
6cd62ccf |
994 | lEventNSec = lEventTotalCycle / tf->cycle_per_nsec; |
995 | |
963b5f2d |
996 | // Determine offset in struct LttTime |
6cd62ccf |
997 | lTimeOffset.tv_nsec = (long)lEventNSec % 1000000000; |
998 | lTimeOffset.tv_sec = (long)lEventNSec / 1000000000; |
999 | |
963b5f2d |
1000 | TimeAdd(time, tf->a_block_start->time, lTimeOffset); |
6cd62ccf |
1001 | |
1002 | return time; |
1003 | } |
1004 | |
1005 | /***************************************************************************** |
1006 | *Function name |
1007 | * setFieldsOffset : set offset of the fields |
1008 | *Input params |
1009 | * tracefile : opened trace file |
1010 | * evT : the event type |
1011 | * evD : event data, it may be NULL |
1012 | ****************************************************************************/ |
1013 | |
40331ba8 |
1014 | void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace* t) |
6cd62ccf |
1015 | { |
963b5f2d |
1016 | LttField * rootFld = evT->root_field; |
6cd62ccf |
1017 | // rootFld->base_address = evD; |
1018 | |
8710c6c7 |
1019 | if(rootFld) |
1020 | rootFld->field_size = getFieldtypeSize(tf, evT, 0,0,rootFld, evD,t); |
6cd62ccf |
1021 | } |
1022 | |
1023 | /***************************************************************************** |
1024 | *Function name |
1025 | * getFieldtypeSize: get the size of the field type (primitive type) |
1026 | *Input params |
1027 | * tracefile : opened trace file |
1028 | * evT : event type |
1029 | * offsetRoot : offset from the root |
1030 | * offsetParent : offset from the parrent |
1031 | * fld : field |
1032 | * evD : event data, it may be NULL |
1033 | *Return value |
1034 | * int : size of the field |
1035 | ****************************************************************************/ |
1036 | |
963b5f2d |
1037 | int getFieldtypeSize(LttTracefile * t, LttEventType * evT, int offsetRoot, |
40331ba8 |
1038 | int offsetParent, LttField * fld, void *evD, LttTrace *trace) |
6cd62ccf |
1039 | { |
1040 | int size, size1, element_number, i, offset1, offset2; |
963b5f2d |
1041 | LttType * type = fld->field_type; |
6cd62ccf |
1042 | |
8710c6c7 |
1043 | if(t){ |
963b5f2d |
1044 | if(evT->latest_block==t->which_block && evT->latest_event==t->which_event){ |
1045 | return fld->field_size; |
1046 | } |
1047 | } |
6cd62ccf |
1048 | |
1049 | if(fld->field_fixed == 1){ |
1050 | if(fld == evT->root_field) return fld->field_size; |
1051 | } |
1052 | |
1053 | if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY && |
1054 | type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){ |
1055 | if(fld->field_fixed == -1){ |
40331ba8 |
1056 | size = (int) ltt_type_size(trace, type); |
6cd62ccf |
1057 | fld->field_fixed = 1; |
1058 | }else size = fld->field_size; |
1059 | |
1060 | }else if(type->type_class == LTT_ARRAY){ |
1061 | element_number = (int) type->element_number; |
1062 | if(fld->field_fixed == -1){ |
40331ba8 |
1063 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace); |
6cd62ccf |
1064 | if(size == 0){ //has string or sequence |
1065 | fld->field_fixed = 0; |
1066 | }else{ |
1067 | fld->field_fixed = 1; |
1068 | size *= element_number; |
1069 | } |
1070 | }else if(fld->field_fixed == 0){// has string or sequence |
1071 | size = 0; |
1072 | for(i=0;i<element_number;i++){ |
1073 | size += getFieldtypeSize(t, evT, offsetRoot+size,size, |
40331ba8 |
1074 | fld->child[0], evD+size, trace); |
6cd62ccf |
1075 | } |
1076 | }else size = fld->field_size; |
1077 | |
1078 | }else if(type->type_class == LTT_SEQUENCE){ |
40331ba8 |
1079 | size1 = (int) ltt_type_size(trace, type); |
6cd62ccf |
1080 | if(fld->field_fixed == -1){ |
908f42fa |
1081 | fld->sequ_number_size = size1; |
6cd62ccf |
1082 | fld->field_fixed = 0; |
40331ba8 |
1083 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace); |
6cd62ccf |
1084 | fld->element_size = size; |
1085 | }else{//0: sequence |
1086 | element_number = getIntNumber(size1,evD); |
1087 | type->element_number = element_number; |
1088 | if(fld->element_size > 0){ |
1089 | size = element_number * fld->element_size; |
1090 | }else{//sequence has string or sequence |
1091 | size = 0; |
1092 | for(i=0;i<element_number;i++){ |
1093 | size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1, |
40331ba8 |
1094 | fld->child[0], evD+size+size1, trace); |
6cd62ccf |
1095 | } |
1096 | } |
1097 | size += size1; |
1098 | } |
1099 | |
1100 | }else if(type->type_class == LTT_STRING){ |
1101 | size = 0; |
1102 | if(fld->field_fixed == -1){ |
1103 | fld->field_fixed = 0; |
1104 | }else{//0: string |
47a166fc |
1105 | size = strlen((char*)evD) + 1; //include end : '\0' |
6cd62ccf |
1106 | } |
1107 | |
1108 | }else if(type->type_class == LTT_STRUCT){ |
1109 | element_number = (int) type->element_number; |
1110 | size = 0; |
1111 | if(fld->field_fixed == -1){ |
1112 | offset1 = offsetRoot; |
1113 | offset2 = 0; |
1114 | for(i=0;i<element_number;i++){ |
40331ba8 |
1115 | size1=getFieldtypeSize(t, evT,offset1,offset2, fld->child[i], NULL, trace); |
6cd62ccf |
1116 | if(size1 > 0 && size >= 0){ |
1117 | size += size1; |
1118 | if(offset1 >= 0) offset1 += size1; |
1119 | offset2 += size1; |
1120 | }else{ |
1121 | size = -1; |
1122 | offset1 = -1; |
1123 | offset2 = -1; |
1124 | } |
1125 | } |
1126 | if(size == -1){ |
1127 | fld->field_fixed = 0; |
1128 | size = 0; |
1129 | }else fld->field_fixed = 1; |
1130 | }else if(fld->field_fixed == 0){ |
1131 | offset1 = offsetRoot; |
1132 | offset2 = 0; |
1133 | for(i=0;i<element_number;i++){ |
40331ba8 |
1134 | size=getFieldtypeSize(t,evT,offset1,offset2,fld->child[i],evD+offset2, trace); |
6cd62ccf |
1135 | offset1 += size; |
1136 | offset2 += size; |
1137 | } |
1138 | size = offset2; |
1139 | }else size = fld->field_size; |
1140 | } |
1141 | |
1142 | fld->offset_root = offsetRoot; |
1143 | fld->offset_parent = offsetParent; |
1144 | if(!evD){ |
1145 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1146 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
1147 | } |
1148 | fld->field_size = size; |
1149 | |
1150 | return size; |
1151 | } |
1152 | |
1153 | /***************************************************************************** |
1154 | *Function name |
1155 | * timecmp : compare two time |
1156 | *Input params |
1157 | * t1 : first time |
1158 | * t2 : second time |
1159 | *Return value |
1160 | * int : 0: t1 == t2; -1: t1 < t2; 1: t1 > t2 |
1161 | ****************************************************************************/ |
1162 | |
963b5f2d |
1163 | int timecmp(LttTime * t1, LttTime * t2) |
6cd62ccf |
1164 | { |
963b5f2d |
1165 | LttTime T; |
6cd62ccf |
1166 | TimeSub(T, *t1, *t2); |
1167 | if(T.tv_sec == 0 && T.tv_nsec == 0) return 0; |
1168 | else if(T.tv_sec > 0 || (T.tv_sec==0 && T.tv_nsec > 0)) return 1; |
1169 | else return -1; |
1170 | } |
1171 | |
1172 | /***************************************************************************** |
1173 | *Function name |
1174 | * getIntNumber : get an integer number |
1175 | *Input params |
1176 | * size : the size of the integer |
1177 | * evD : the event data |
1178 | *Return value |
1179 | * int : an integer |
1180 | ****************************************************************************/ |
1181 | |
1182 | int getIntNumber(int size, void *evD) |
1183 | { |
1184 | int64_t i; |
1185 | if(size == 1) i = *(int8_t *)evD; |
1186 | else if(size == 2) i = *(int16_t *)evD; |
1187 | else if(size == 4) i = *(int32_t *)evD; |
1188 | else if(size == 8) i = *(int64_t *)evD; |
1189 | |
1190 | return (int) i; |
1191 | } |
1192 | |
1193 | /***************************************************************************** |
1194 | *Function name |
1195 | * getDataEndianType : get the data type size and endian type of the local |
1196 | * machine |
1197 | *Input params |
1198 | * size : size of data type |
1199 | * endian : endian type, little or big |
1200 | ****************************************************************************/ |
1201 | |
963b5f2d |
1202 | void getDataEndianType(LttArchSize * size, LttArchEndian * endian) |
6cd62ccf |
1203 | { |
1204 | int i = 1; |
1205 | char c = (char) i; |
1206 | int sizeInt=sizeof(int), sizeLong=sizeof(long), sizePointer=sizeof(void *); |
1207 | |
1208 | if(c == 1) *endian = LTT_LITTLE_ENDIAN; |
1209 | else *endian = LTT_BIG_ENDIAN; |
1210 | |
1211 | if(sizeInt == 2 && sizeLong == 4 && sizePointer == 4) |
1212 | *size = LTT_LP32; |
1213 | else if(sizeInt == 4 && sizeLong == 4 && sizePointer == 4) |
1214 | *size = LTT_ILP32; |
1215 | else if(sizeInt == 4 && sizeLong == 8 && sizePointer == 8) |
1216 | *size = LTT_LP64; |
1217 | else if(sizeInt == 8 && sizeLong == 8 && sizePointer == 8) |
1218 | *size = LTT_ILP64; |
1219 | else *size = LTT_UNKNOWN; |
1220 | } |
1221 | |