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 | |
6cd62ccf |
43 | |
44 | /***************************************************************************** |
45 | *Function name |
963b5f2d |
46 | * ltt_tracefile_open : open a trace file, construct a LttTracefile |
6cd62ccf |
47 | *Input params |
963b5f2d |
48 | * t : the trace containing the tracefile |
49 | * fileName : path name of the trace file |
6cd62ccf |
50 | *Return value |
963b5f2d |
51 | * : a pointer to a tracefile |
6cd62ccf |
52 | ****************************************************************************/ |
53 | |
963b5f2d |
54 | LttTracefile* ltt_tracefile_open(LttTrace * t, char * fileName) |
6cd62ccf |
55 | { |
963b5f2d |
56 | LttTracefile * tf; |
57 | struct stat lTDFStat; /* Trace data file status */ |
58 | BlockStart a_block_start; |
6cd62ccf |
59 | |
963b5f2d |
60 | tf = g_new(LttTracefile, 1); |
6cd62ccf |
61 | |
62 | //open the file |
963b5f2d |
63 | tf->name = g_strdup(fileName); |
64 | tf->trace = t; |
6cd62ccf |
65 | tf->fd = open(fileName, O_RDONLY, 0); |
66 | if(tf->fd < 0){ |
67 | g_error("Unable to open input data file %s\n", fileName); |
68 | } |
69 | |
70 | // Get the file's status |
71 | if(fstat(tf->fd, &lTDFStat) < 0){ |
72 | g_error("Unable to get the status of the input data file %s\n", fileName); |
73 | } |
74 | |
75 | // Is the file large enough to contain a trace |
963b5f2d |
76 | if(lTDFStat.st_size < sizeof(BlockStart) + EVENT_HEADER_SIZE){ |
8710c6c7 |
77 | g_print("The input data file %s does not contain a trace\n", fileName); |
663bd9ff |
78 | g_free(tf->name); |
79 | close(tf->fd); |
80 | g_free(tf); |
8710c6c7 |
81 | return NULL; |
6cd62ccf |
82 | } |
83 | |
84 | //store the size of the file |
85 | tf->file_size = lTDFStat.st_size; |
963b5f2d |
86 | tf->block_size = t->system_description->ltt_block_size; |
87 | tf->block_number = tf->file_size / tf->block_size; |
88 | tf->which_block = 0; |
6cd62ccf |
89 | |
90 | //allocate memory to contain the info of a block |
963b5f2d |
91 | tf->buffer = (void *) g_new(char, t->system_description->ltt_block_size); |
6cd62ccf |
92 | |
963b5f2d |
93 | //read the first block |
94 | if(readBlock(tf,1)) exit(1); |
6cd62ccf |
95 | |
96 | return tf; |
97 | } |
98 | |
6cd62ccf |
99 | |
100 | /***************************************************************************** |
963b5f2d |
101 | *Open control and per cpu tracefiles |
6cd62ccf |
102 | ****************************************************************************/ |
103 | |
963b5f2d |
104 | void ltt_tracefile_open_cpu(LttTrace *t, char * tracefile_name) |
6cd62ccf |
105 | { |
963b5f2d |
106 | LttTracefile * tf; |
107 | tf = ltt_tracefile_open(t,tracefile_name); |
4a6c8e36 |
108 | if(!tf) return; |
963b5f2d |
109 | t->per_cpu_tracefile_number++; |
110 | g_ptr_array_add(t->per_cpu_tracefiles, tf); |
6cd62ccf |
111 | } |
112 | |
963b5f2d |
113 | void ltt_tracefile_open_control(LttTrace *t, char * control_name) |
6cd62ccf |
114 | { |
963b5f2d |
115 | LttTracefile * tf; |
116 | LttEvent * ev; |
117 | LttFacility * f; |
118 | uint16_t evId; |
119 | void * pos; |
120 | FacilityLoad fLoad; |
121 | int i; |
122 | |
123 | tf = ltt_tracefile_open(t,control_name); |
8710c6c7 |
124 | if(!tf) return; |
963b5f2d |
125 | t->control_tracefile_number++; |
126 | g_ptr_array_add(t->control_tracefiles,tf); |
127 | |
128 | //parse facilities tracefile to get base_id |
542ceddd |
129 | if(strcmp(&control_name[strlen(control_name)-10],"facilities") ==0){ |
963b5f2d |
130 | while(1){ |
40331ba8 |
131 | ev = ltt_tracefile_read(tf); |
132 | if(!ev)return; // end of file |
133 | |
134 | if(ev->event_id == TRACE_FACILITY_LOAD){ |
135 | pos = ev->data; |
963b5f2d |
136 | fLoad.name = (char*)pos; |
47a166fc |
137 | fLoad.checksum = *(LttChecksum*)(pos + strlen(fLoad.name)); |
138 | fLoad.base_code = *(uint32_t*)(pos + strlen(fLoad.name) + sizeof(LttChecksum)); |
963b5f2d |
139 | |
140 | for(i=0;i<t->facility_number;i++){ |
141 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
142 | if(strcmp(f->name,fLoad.name)==0 && fLoad.checksum==f->checksum){ |
143 | f->base_id = fLoad.base_code; |
144 | break; |
145 | } |
146 | } |
147 | if(i==t->facility_number) |
148 | g_error("Facility: %s, checksum: %d is not founded\n", |
149 | fLoad.name,fLoad.checksum); |
40331ba8 |
150 | }else if(ev->event_id == TRACE_BLOCK_START){ |
151 | continue; |
152 | }else if(ev->event_id == TRACE_BLOCK_END){ |
153 | break; |
963b5f2d |
154 | }else g_error("Not valid facilities trace file\n"); |
62e55dd6 |
155 | g_free(ev); |
963b5f2d |
156 | } |
157 | } |
6cd62ccf |
158 | } |
159 | |
160 | /***************************************************************************** |
161 | *Function name |
963b5f2d |
162 | * ltt_tracefile_close: close a trace file, |
6cd62ccf |
163 | *Input params |
963b5f2d |
164 | * t : tracefile which will be closed |
6cd62ccf |
165 | ****************************************************************************/ |
166 | |
963b5f2d |
167 | void ltt_tracefile_close(LttTracefile *t) |
6cd62ccf |
168 | { |
963b5f2d |
169 | g_free(t->name); |
170 | g_free(t->buffer); |
663bd9ff |
171 | close(t->fd); |
963b5f2d |
172 | g_free(t); |
173 | } |
6cd62ccf |
174 | |
6cd62ccf |
175 | |
963b5f2d |
176 | /***************************************************************************** |
177 | *Get system information |
178 | ****************************************************************************/ |
179 | void getSystemInfo(LttSystemDescription* des, char * pathname) |
180 | { |
181 | FILE * fp; |
182 | int i; |
183 | int entry_number = 15; |
184 | char buf[DIR_NAME_SIZE]; |
185 | char description[4*DIR_NAME_SIZE]; |
186 | char * ptr; |
187 | |
188 | fp = fopen(pathname,"r"); |
189 | if(!fp){ |
190 | g_error("Can not open file : %s\n", pathname); |
6cd62ccf |
191 | } |
963b5f2d |
192 | |
193 | while(fgets(buf,DIR_NAME_SIZE, fp)!= NULL){ |
194 | ptr = buf; |
195 | while(isspace(*ptr)) ptr++; |
196 | if(strlen(ptr) == 0) continue; |
197 | break; |
6cd62ccf |
198 | } |
199 | |
963b5f2d |
200 | if(strlen(ptr) == 0) g_error("Not a valid file: %s\n", pathname); |
201 | if(strncmp("<system",ptr,7) !=0)g_error("Not a valid file: %s\n", pathname); |
202 | |
203 | for(i=0;i<entry_number;i++){ |
204 | if(fgets(buf,DIR_NAME_SIZE, fp)== NULL) |
205 | g_error("Not a valid file: %s\n", pathname); |
8710c6c7 |
206 | buf[strlen(buf)-1] = '\0'; |
963b5f2d |
207 | ptr = buf; |
208 | while(isspace(*ptr)) ptr++; |
209 | switch(i){ |
210 | case 0: |
211 | if(strncmp("node_name=",ptr,10)!=0) |
212 | g_error("Not a valid file: %s\n", pathname); |
213 | des->node_name = g_strdup(ptr+10); |
214 | break; |
215 | case 1: |
216 | if(strncmp("domainname=",ptr,11)!=0) |
217 | g_error("Not a valid file: %s\n", pathname); |
218 | des->domain_name = g_strdup(ptr+11); |
219 | break; |
220 | case 2: |
221 | if(strncmp("cpu=",ptr,4)!=0) |
222 | g_error("Not a valid file: %s\n", pathname); |
223 | des->nb_cpu = (unsigned)atoi(ptr+4); |
224 | break; |
225 | case 3: |
226 | if(strncmp("arch_size=",ptr,10)!=0) |
227 | g_error("Not a valid file: %s\n", pathname); |
228 | if(strcmp(ptr+10,"\"LP32\"") == 0) des->size = LTT_LP32; |
229 | else if(strcmp(ptr+10,"\"ILP32\"") == 0) des->size = LTT_ILP32; |
230 | else if(strcmp(ptr+10,"\"LP64\"") == 0) des->size = LTT_LP64; |
231 | else if(strcmp(ptr+10,"\"ILP64\"") == 0) des->size = LTT_ILP64; |
232 | else if(strcmp(ptr+10,"\"UNKNOWN\"") == 0) des->size = LTT_UNKNOWN; |
233 | break; |
234 | case 4: |
235 | if(strncmp("endian=",ptr,7)!=0) |
236 | g_error("Not a valid file: %s\n", pathname); |
237 | if(strcmp(ptr+7,"\"LITTLE_ENDIAN\"") == 0) |
238 | des->endian = LTT_LITTLE_ENDIAN; |
239 | else if(strcmp(ptr+7,"\"BIG_ENDIAN\"") == 0) |
240 | des->endian = LTT_BIG_ENDIAN; |
241 | break; |
242 | case 5: |
243 | if(strncmp("kernel_name=",ptr,12)!=0) |
244 | g_error("Not a valid file: %s\n", pathname); |
245 | des->kernel_name = g_strdup(ptr+12); |
246 | break; |
247 | case 6: |
248 | if(strncmp("kernel_release=",ptr,15)!=0) |
249 | g_error("Not a valid file: %s\n", pathname); |
250 | des->kernel_release = g_strdup(ptr+15); |
251 | break; |
252 | case 7: |
253 | if(strncmp("kernel_version=",ptr,15)!=0) |
254 | g_error("Not a valid file: %s\n", pathname); |
255 | des->kernel_version = g_strdup(ptr+15); |
256 | break; |
257 | case 8: |
258 | if(strncmp("machine=",ptr,8)!=0) |
259 | g_error("Not a valid file: %s\n", pathname); |
260 | des->machine = g_strdup(ptr+8); |
261 | break; |
262 | case 9: |
263 | if(strncmp("processor=",ptr,10)!=0) |
264 | g_error("Not a valid file: %s\n", pathname); |
265 | des->processor = g_strdup(ptr+10); |
266 | break; |
267 | case 10: |
268 | if(strncmp("hardware_platform=",ptr,18)!=0) |
269 | g_error("Not a valid file: %s\n", pathname); |
270 | des->hardware_platform = g_strdup(ptr+18); |
271 | break; |
272 | case 11: |
273 | if(strncmp("operating_system=",ptr,17)!=0) |
274 | g_error("Not a valid file: %s\n", pathname); |
275 | des->operating_system = g_strdup(ptr+17); |
276 | break; |
277 | case 12: |
278 | if(strncmp("ltt_major_version=",ptr,18)!=0) |
279 | g_error("Not a valid file: %s\n", pathname); |
280 | ptr += 18; |
8710c6c7 |
281 | // ptr++;//skip begining " |
282 | // ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
963b5f2d |
283 | des->ltt_major_version = (unsigned)atoi(ptr); |
284 | break; |
285 | case 13: |
286 | if(strncmp("ltt_minor_version=",ptr,18)!=0) |
287 | g_error("Not a valid file: %s\n", pathname); |
288 | ptr += 18; |
8710c6c7 |
289 | // ptr++;//skip begining " |
290 | // ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
963b5f2d |
291 | des->ltt_minor_version = (unsigned)atoi(ptr); |
292 | break; |
293 | case 14: |
294 | if(strncmp("ltt_block_size=",ptr,15)!=0) |
295 | g_error("Not a valid file: %s\n", pathname); |
296 | ptr += 15; |
8710c6c7 |
297 | // ptr++;//skip begining " |
298 | // ptr[strlen(ptr)-1] = '\0'; //get rid of the ending " |
963b5f2d |
299 | des->ltt_block_size = (unsigned)atoi(ptr); |
300 | break; |
301 | default: |
302 | g_error("Not a valid file: %s\n", pathname); |
303 | } |
6cd62ccf |
304 | } |
305 | |
963b5f2d |
306 | //get description |
307 | description[0] = '\0'; |
308 | if(fgets(buf,DIR_NAME_SIZE, fp)== NULL) |
309 | g_error("Not a valid file: %s\n", pathname); |
310 | ptr = buf; |
311 | while(isspace(*ptr)) ptr++; |
312 | if(*ptr != '>') g_error("Not a valid file: %s\n", pathname); |
313 | while((ptr=fgets(buf,DIR_NAME_SIZE, fp))!= NULL){ |
314 | ptr = buf; |
315 | while(isspace(*ptr)) ptr++; |
316 | if(strncmp("</system>",ptr,9) == 0 )break; |
317 | strcat(description, buf); |
318 | } |
319 | if(!ptr)g_error("Not a valid file: %s\n", pathname); |
320 | if(description[0] = '\0')des->description = NULL; |
321 | des->description = g_strdup(description); |
6cd62ccf |
322 | |
963b5f2d |
323 | fclose(fp); |
6cd62ccf |
324 | } |
325 | |
326 | /***************************************************************************** |
963b5f2d |
327 | *The following functions get facility/tracefile information |
6cd62ccf |
328 | ****************************************************************************/ |
329 | |
963b5f2d |
330 | void getFacilityInfo(LttTrace *t, char* eventdefs) |
6cd62ccf |
331 | { |
963b5f2d |
332 | DIR * dir; |
333 | struct dirent *entry; |
334 | char * ptr; |
335 | int i,j; |
336 | LttFacility * f; |
337 | LttEventType * et; |
e8bb1a73 |
338 | char name[DIR_NAME_SIZE]; |
963b5f2d |
339 | |
340 | dir = opendir(eventdefs); |
341 | if(!dir) g_error("Can not open directory: %s\n", eventdefs); |
342 | |
343 | while((entry = readdir(dir)) != NULL){ |
344 | ptr = &entry->d_name[strlen(entry->d_name)-4]; |
345 | if(strcmp(ptr,".xml") != 0) continue; |
e8bb1a73 |
346 | strcpy(name,eventdefs); |
347 | strcat(name,entry->d_name); |
348 | ltt_facility_open(t,name); |
963b5f2d |
349 | } |
350 | closedir(dir); |
351 | |
963b5f2d |
352 | for(j=0;j<t->facility_number;j++){ |
8710c6c7 |
353 | f = (LttFacility*)g_ptr_array_index(t->facilities, j); |
963b5f2d |
354 | for(i=0; i<f->event_number; i++){ |
355 | et = f->events[i]; |
40331ba8 |
356 | setFieldsOffset(NULL, et, NULL, t); |
963b5f2d |
357 | } |
358 | } |
359 | } |
6cd62ccf |
360 | |
963b5f2d |
361 | void getControlFileInfo(LttTrace *t, char* control) |
6cd62ccf |
362 | { |
963b5f2d |
363 | DIR * dir; |
364 | struct dirent *entry; |
e8bb1a73 |
365 | char name[DIR_NAME_SIZE]; |
963b5f2d |
366 | |
367 | dir = opendir(control); |
368 | if(!dir) g_error("Can not open directory: %s\n", control); |
369 | |
370 | while((entry = readdir(dir)) != NULL){ |
8710c6c7 |
371 | if(strcmp(entry->d_name,"facilities") != 0 && |
372 | strcmp(entry->d_name,"interrupts") != 0 && |
963b5f2d |
373 | strcmp(entry->d_name,"processes") != 0) continue; |
374 | |
e8bb1a73 |
375 | strcpy(name,control); |
376 | strcat(name,entry->d_name); |
377 | ltt_tracefile_open_control(t,name); |
963b5f2d |
378 | } |
379 | closedir(dir); |
6cd62ccf |
380 | } |
381 | |
963b5f2d |
382 | void getCpuFileInfo(LttTrace *t, char* cpu) |
6cd62ccf |
383 | { |
963b5f2d |
384 | DIR * dir; |
385 | struct dirent *entry; |
e8bb1a73 |
386 | char name[DIR_NAME_SIZE]; |
963b5f2d |
387 | |
388 | dir = opendir(cpu); |
389 | if(!dir) g_error("Can not open directory: %s\n", cpu); |
390 | |
391 | while((entry = readdir(dir)) != NULL){ |
8710c6c7 |
392 | if(strcmp(entry->d_name,".") != 0 && |
963b5f2d |
393 | strcmp(entry->d_name,"..") != 0 ){ |
e8bb1a73 |
394 | strcpy(name,cpu); |
395 | strcat(name,entry->d_name); |
396 | ltt_tracefile_open_cpu(t,name); |
963b5f2d |
397 | }else continue; |
398 | } |
399 | closedir(dir); |
6cd62ccf |
400 | } |
401 | |
963b5f2d |
402 | /***************************************************************************** |
403 | *A trace is specified as a pathname to the directory containing all the |
404 | *associated data (control tracefiles, per cpu tracefiles, event |
405 | *descriptions...). |
406 | * |
407 | *When a trace is closed, all the associated facilities, types and fields |
408 | *are released as well. |
409 | ****************************************************************************/ |
6cd62ccf |
410 | |
963b5f2d |
411 | LttTrace *ltt_trace_open(char *pathname) |
6cd62ccf |
412 | { |
963b5f2d |
413 | LttTrace * t; |
414 | LttSystemDescription * sys_description; |
415 | char eventdefs[DIR_NAME_SIZE]; |
416 | char info[DIR_NAME_SIZE]; |
417 | char control[DIR_NAME_SIZE]; |
418 | char cpu[DIR_NAME_SIZE]; |
419 | char tmp[DIR_NAME_SIZE]; |
420 | gboolean has_slash = FALSE; |
421 | |
422 | //establish the pathname to different directories |
423 | if(pathname[strlen(pathname)-1] == '/')has_slash = TRUE; |
424 | strcpy(eventdefs,pathname); |
425 | if(!has_slash)strcat(eventdefs,"/"); |
426 | strcat(eventdefs,"eventdefs/"); |
427 | |
428 | strcpy(info,pathname); |
429 | if(!has_slash)strcat(info,"/"); |
430 | strcat(info,"info/"); |
431 | |
432 | strcpy(control,pathname); |
433 | if(!has_slash)strcat(control,"/"); |
434 | strcat(control,"control/"); |
435 | |
436 | strcpy(cpu,pathname); |
437 | if(!has_slash)strcat(cpu,"/"); |
438 | strcat(cpu,"cpu/"); |
439 | |
440 | //new trace |
441 | t = g_new(LttTrace, 1); |
442 | sys_description = g_new(LttSystemDescription, 1); |
443 | t->pathname = g_strdup(pathname); |
444 | t->facility_number = 0; |
445 | t->control_tracefile_number = 0; |
446 | t->per_cpu_tracefile_number = 0; |
447 | t->system_description = sys_description; |
448 | t->control_tracefiles = g_ptr_array_new(); |
449 | t->per_cpu_tracefiles = g_ptr_array_new(); |
450 | t->facilities = g_ptr_array_new(); |
451 | getDataEndianType(&(t->my_arch_size), &(t->my_arch_endian)); |
452 | |
453 | //get system description |
454 | strcpy(tmp,info); |
455 | strcat(tmp,"system.xml"); |
456 | getSystemInfo(sys_description, tmp); |
457 | |
b333a76b |
458 | //get facilities info |
459 | getFacilityInfo(t,eventdefs); |
460 | |
963b5f2d |
461 | //get control tracefile info |
462 | getControlFileInfo(t,control); |
463 | |
464 | //get cpu tracefile info |
465 | getCpuFileInfo(t,cpu); |
466 | |
963b5f2d |
467 | return t; |
6cd62ccf |
468 | } |
469 | |
963b5f2d |
470 | void ltt_trace_close(LttTrace *t) |
6cd62ccf |
471 | { |
963b5f2d |
472 | int i; |
473 | LttTracefile * tf; |
474 | LttFacility * f; |
475 | |
476 | g_free(t->pathname); |
477 | |
478 | //free system_description |
479 | g_free(t->system_description->description); |
480 | g_free(t->system_description->node_name); |
481 | g_free(t->system_description->domain_name); |
482 | g_free(t->system_description->kernel_name); |
483 | g_free(t->system_description->kernel_release); |
484 | g_free(t->system_description->kernel_version); |
485 | g_free(t->system_description->machine); |
486 | g_free(t->system_description->processor); |
487 | g_free(t->system_description->hardware_platform); |
488 | g_free(t->system_description->operating_system); |
489 | g_free(t->system_description); |
490 | |
491 | //free control_tracefiles |
492 | for(i=0;i<t->control_tracefile_number;i++){ |
493 | tf = (LttTracefile*)g_ptr_array_index(t->control_tracefiles,i); |
494 | ltt_tracefile_close(tf); |
495 | } |
09ad4797 |
496 | g_ptr_array_free(t->control_tracefiles, TRUE); |
963b5f2d |
497 | |
498 | //free per_cpu_tracefiles |
499 | for(i=0;i<t->per_cpu_tracefile_number;i++){ |
500 | tf = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles,i); |
501 | ltt_tracefile_close(tf); |
502 | } |
09ad4797 |
503 | g_ptr_array_free(t->per_cpu_tracefiles, TRUE); |
963b5f2d |
504 | |
505 | //free facilities |
506 | for(i=0;i<t->facility_number;i++){ |
507 | f = (LttFacility*)g_ptr_array_index(t->facilities,i); |
508 | ltt_facility_close(f); |
509 | } |
09ad4797 |
510 | g_ptr_array_free(t->facilities, TRUE); |
963b5f2d |
511 | |
512 | g_free(t); |
09ad4797 |
513 | |
514 | g_blow_chunks(); |
6cd62ccf |
515 | } |
516 | |
963b5f2d |
517 | |
6cd62ccf |
518 | /***************************************************************************** |
963b5f2d |
519 | *Get the system description of the trace |
6cd62ccf |
520 | ****************************************************************************/ |
521 | |
963b5f2d |
522 | LttSystemDescription *ltt_trace_system_description(LttTrace *t) |
6cd62ccf |
523 | { |
963b5f2d |
524 | return t->system_description; |
6cd62ccf |
525 | } |
526 | |
527 | /***************************************************************************** |
963b5f2d |
528 | * The following functions discover the facilities of the trace |
6cd62ccf |
529 | ****************************************************************************/ |
530 | |
963b5f2d |
531 | unsigned ltt_trace_facility_number(LttTrace *t) |
532 | { |
533 | return (unsigned)(t->facility_number); |
534 | } |
535 | |
536 | LttFacility *ltt_trace_facility_get(LttTrace *t, unsigned i) |
6cd62ccf |
537 | { |
963b5f2d |
538 | return (LttFacility*)g_ptr_array_index(t->facilities, i); |
6cd62ccf |
539 | } |
540 | |
541 | /***************************************************************************** |
542 | *Function name |
963b5f2d |
543 | * ltt_trace_facility_find : find facilities in the trace |
6cd62ccf |
544 | *Input params |
963b5f2d |
545 | * t : the trace |
546 | * name : facility name |
547 | *Output params |
548 | * position : position of the facility in the trace |
6cd62ccf |
549 | *Return value |
963b5f2d |
550 | * : the number of facilities |
6cd62ccf |
551 | ****************************************************************************/ |
552 | |
963b5f2d |
553 | unsigned ltt_trace_facility_find(LttTrace *t, char *name, unsigned *position) |
6cd62ccf |
554 | { |
963b5f2d |
555 | int i, count=0; |
556 | LttFacility * f; |
557 | for(i=0;i=t->facility_number;i++){ |
558 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
559 | if(strcmp(f->name,name)==0){ |
560 | count++; |
561 | if(count==1) *position = i; |
562 | }else{ |
563 | if(count) break; |
564 | } |
565 | } |
566 | return count; |
6cd62ccf |
567 | } |
568 | |
569 | /***************************************************************************** |
963b5f2d |
570 | * Functions to discover all the event types in the trace |
6cd62ccf |
571 | ****************************************************************************/ |
572 | |
963b5f2d |
573 | unsigned ltt_trace_eventtype_number(LttTrace *t) |
6cd62ccf |
574 | { |
963b5f2d |
575 | int i; |
576 | unsigned count = 0; |
577 | LttFacility * f; |
578 | for(i=0;i=t->facility_number;i++){ |
579 | f = (LttFacility*)g_ptr_array_index(t->facilities, i); |
580 | count += f->event_number; |
581 | } |
582 | return count; |
6cd62ccf |
583 | } |
584 | |
963b5f2d |
585 | LttFacility * ltt_trace_facility_by_id(LttTrace * trace, unsigned id) |
6cd62ccf |
586 | { |
963b5f2d |
587 | LttFacility * facility; |
588 | int i; |
589 | for(i=0;i<trace->facility_number;i++){ |
590 | facility = (LttFacility*) g_ptr_array_index(trace->facilities,i); |
591 | if(id >= facility->base_id && |
592 | id < facility->base_id + facility->event_number) |
593 | break; |
594 | } |
595 | if(i==trace->facility_number) return NULL; |
596 | else return facility; |
6cd62ccf |
597 | } |
598 | |
963b5f2d |
599 | LttEventType *ltt_trace_eventtype_get(LttTrace *t, unsigned evId) |
6cd62ccf |
600 | { |
963b5f2d |
601 | LttFacility * f; |
602 | f = ltt_trace_facility_by_id(t,evId); |
603 | if(!f) return NULL; |
604 | return f->events[evId - f->base_id]; |
6cd62ccf |
605 | } |
606 | |
607 | /***************************************************************************** |
963b5f2d |
608 | *There is one "per cpu" tracefile for each CPU, numbered from 0 to |
609 | *the maximum number of CPU in the system. When the number of CPU installed |
610 | *is less than the maximum, some positions are unused. There are also a |
611 | *number of "control" tracefiles (facilities, interrupts...). |
6cd62ccf |
612 | ****************************************************************************/ |
963b5f2d |
613 | unsigned ltt_trace_control_tracefile_number(LttTrace *t) |
6cd62ccf |
614 | { |
963b5f2d |
615 | return t->control_tracefile_number; |
6cd62ccf |
616 | } |
617 | |
963b5f2d |
618 | unsigned ltt_trace_per_cpu_tracefile_number(LttTrace *t) |
6cd62ccf |
619 | { |
963b5f2d |
620 | return t->per_cpu_tracefile_number; |
6cd62ccf |
621 | } |
622 | |
623 | /***************************************************************************** |
963b5f2d |
624 | *It is possible to search for the tracefiles by name or by CPU position. |
625 | *The index within the tracefiles of the same type is returned if found |
626 | *and a negative value otherwise. |
6cd62ccf |
627 | ****************************************************************************/ |
628 | |
963b5f2d |
629 | int ltt_trace_control_tracefile_find(LttTrace *t, char *name) |
6cd62ccf |
630 | { |
963b5f2d |
631 | LttTracefile * tracefile; |
632 | int i; |
633 | for(i=0;i<t->control_tracefile_number;i++){ |
634 | tracefile = (LttTracefile*)g_ptr_array_index(t->control_tracefiles, i); |
635 | if(strcmp(tracefile->name, name)==0)break; |
636 | } |
637 | if(i == t->control_tracefile_number) return -1; |
638 | return i; |
6cd62ccf |
639 | } |
640 | |
963b5f2d |
641 | int ltt_trace_per_cpu_tracefile_find(LttTrace *t, unsigned i) |
6cd62ccf |
642 | { |
963b5f2d |
643 | LttTracefile * tracefile; |
644 | int j, name; |
645 | for(j=0;j<t->per_cpu_tracefile_number;j++){ |
646 | tracefile = (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, j); |
647 | name = atoi(tracefile->name); |
648 | if(name == (int)i)break; |
649 | } |
650 | if(j == t->per_cpu_tracefile_number) return -1; |
651 | return j; |
6cd62ccf |
652 | } |
653 | |
654 | /***************************************************************************** |
963b5f2d |
655 | *Get a specific tracefile |
6cd62ccf |
656 | ****************************************************************************/ |
657 | |
963b5f2d |
658 | LttTracefile *ltt_trace_control_tracefile_get(LttTrace *t, unsigned i) |
6cd62ccf |
659 | { |
963b5f2d |
660 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
661 | } |
662 | |
663 | LttTracefile *ltt_trace_per_cpu_tracefile_get(LttTrace *t, unsigned i) |
664 | { |
665 | return (LttTracefile*)g_ptr_array_index(t->per_cpu_tracefiles, i); |
6cd62ccf |
666 | } |
667 | |
668 | /***************************************************************************** |
963b5f2d |
669 | *Get the name of a tracefile |
6cd62ccf |
670 | ****************************************************************************/ |
671 | |
963b5f2d |
672 | char *ltt_tracefile_name(LttTracefile *tf) |
6cd62ccf |
673 | { |
963b5f2d |
674 | return tf->name; |
6cd62ccf |
675 | } |
676 | |
677 | /***************************************************************************** |
678 | *Function name |
679 | * ltt_tracefile_seek_time: seek to the first event of the trace with time |
680 | * larger or equal to time |
681 | *Input params |
682 | * t : tracefile |
683 | * time : criteria of the time |
6cd62ccf |
684 | ****************************************************************************/ |
685 | |
963b5f2d |
686 | void ltt_tracefile_seek_time(LttTracefile *t, LttTime time) |
6cd62ccf |
687 | { |
688 | int err; |
963b5f2d |
689 | LttTime lttTime; |
690 | int headTime = timecmp(&(t->a_block_start->time), &time); |
691 | int tailTime = timecmp(&(t->a_block_end->time), &time); |
62e55dd6 |
692 | LttEvent * ev; |
693 | |
6cd62ccf |
694 | if(headTime < 0 && tailTime > 0){ |
695 | lttTime = getEventTime(t); |
696 | err = timecmp(<tTime, &time); |
963b5f2d |
697 | if(err > 0){ |
40331ba8 |
698 | if(t->which_event==2 || timecmp(&t->prev_event_time,&time)<0){ |
963b5f2d |
699 | return; |
700 | }else{ |
6cd62ccf |
701 | updateTracefile(t); |
702 | return ltt_tracefile_seek_time(t, time); |
703 | } |
704 | }else if(err < 0){ |
1a3b8cbd |
705 | while(1){ |
706 | ev = ltt_tracefile_read(t); |
707 | if(ev == NULL){ |
708 | g_print("End of file\n"); |
709 | return; |
710 | } |
711 | g_free(ev); |
712 | lttTime = getEventTime(t); |
713 | err = timecmp(<tTime, &time); |
714 | if(err >= 0)return; |
963b5f2d |
715 | } |
963b5f2d |
716 | }else return; |
6cd62ccf |
717 | }else if(headTime > 0){ |
718 | if(t->which_block == 1){ |
719 | updateTracefile(t); |
720 | }else{ |
40331ba8 |
721 | if(timecmp(&(t->prev_block_end_time),&time) >= 0 ){ |
6cd62ccf |
722 | err=readBlock(t,t->which_block-1); |
963b5f2d |
723 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
6cd62ccf |
724 | return ltt_tracefile_seek_time(t, time) ; |
725 | }else{ |
726 | updateTracefile(t); |
727 | } |
728 | } |
40331ba8 |
729 | }else if(tailTime < 0){ |
6cd62ccf |
730 | if(t->which_block != t->block_number){ |
731 | err=readBlock(t,t->which_block+1); |
963b5f2d |
732 | if(err) g_error("Can not read tracefile: %s\n", t->name); |
733 | }else { |
25975c93 |
734 | g_print("End of file\n"); |
963b5f2d |
735 | return; |
736 | } |
6cd62ccf |
737 | if(tailTime < 0) return ltt_tracefile_seek_time(t, time); |
738 | }else if(headTime == 0){ |
739 | updateTracefile(t); |
40331ba8 |
740 | }else if(tailTime == 0){ |
1a3b8cbd |
741 | t->cur_event_pos = t->a_block_end - EVENT_HEADER_SIZE; |
62e55dd6 |
742 | t->current_event_time = time; |
743 | t->cur_heart_beat_number = 0; |
744 | t->prev_event_time.tv_sec = 0; |
745 | t->prev_event_time.tv_nsec = 0; |
40331ba8 |
746 | return; |
6cd62ccf |
747 | } |
6cd62ccf |
748 | } |
749 | |
750 | /***************************************************************************** |
751 | *Function name |
40331ba8 |
752 | * ltt_tracefile_read : read the current event, set the pointer to the next |
6cd62ccf |
753 | *Input params |
754 | * t : tracefile |
755 | *Return value |
963b5f2d |
756 | * LttEvent * : an event to be processed |
6cd62ccf |
757 | ****************************************************************************/ |
758 | |
963b5f2d |
759 | LttEvent *ltt_tracefile_read(LttTracefile *t) |
6cd62ccf |
760 | { |
963b5f2d |
761 | LttEvent * lttEvent = (LttEvent *)g_new(LttEvent, 1); |
762 | int err; |
6cd62ccf |
763 | |
963b5f2d |
764 | lttEvent->event_id = (int)(*(uint16_t *)(t->cur_event_pos)); |
765 | if(lttEvent->event_id == TRACE_TIME_HEARTBEAT) |
766 | t->cur_heart_beat_number++; |
6cd62ccf |
767 | |
40331ba8 |
768 | t->prev_event_time = t->current_event_time; |
62e55dd6 |
769 | // t->current_event_time = getEventTime(t); |
6cd62ccf |
770 | |
963b5f2d |
771 | lttEvent->time_delta = *(uint32_t*)(t->cur_event_pos + EVENT_ID_SIZE); |
772 | lttEvent->event_time = t->current_event_time; |
773 | |
774 | lttEvent->event_cycle_count = ((uint64_t)1)<<32 * t->cur_heart_beat_number |
775 | + lttEvent->time_delta; |
776 | |
6cd62ccf |
777 | lttEvent->tracefile = t; |
778 | lttEvent->data = t->cur_event_pos + EVENT_HEADER_SIZE; |
779 | |
40331ba8 |
780 | //update the fields of the current event and go to the next event |
781 | err = skipEvent(t); |
663bd9ff |
782 | if(err == ENOMEM){ |
783 | g_free(lttEvent); |
784 | return NULL; |
785 | } |
99ff36b1 |
786 | if(err == ENOENT) return lttEvent; |
40331ba8 |
787 | if(err == ERANGE) g_error("event id is out of range\n"); |
788 | if(err)g_error("Can not read tracefile\n"); |
789 | |
6cd62ccf |
790 | return lttEvent; |
791 | } |
792 | |
793 | /**************************************************************************** |
794 | *Function name |
795 | * readFile : wrap function to read from a file |
796 | *Input Params |
797 | * fd : file descriptor |
798 | * buf : buf to contain the content |
799 | * size : number of bytes to be read |
800 | * mesg : message to be printed if some thing goes wrong |
801 | *return value |
802 | * 0 : success |
803 | * EIO : can not read from the file |
804 | ****************************************************************************/ |
805 | |
806 | int readFile(int fd, void * buf, size_t size, char * mesg) |
807 | { |
808 | ssize_t nbBytes; |
809 | nbBytes = read(fd, buf, size); |
810 | if(nbBytes != size){ |
811 | printf("%s\n",mesg); |
812 | return EIO; |
813 | } |
814 | return 0; |
815 | } |
816 | |
817 | /**************************************************************************** |
818 | *Function name |
819 | * readBlock : read a block from the file |
820 | *Input Params |
821 | * lttdes : ltt trace file |
822 | * whichBlock : the block which will be read |
823 | *return value |
824 | * 0 : success |
825 | * EINVAL : lseek fail |
826 | * EIO : can not read from the file |
827 | ****************************************************************************/ |
828 | |
963b5f2d |
829 | int readBlock(LttTracefile * tf, int whichBlock) |
6cd62ccf |
830 | { |
831 | off_t nbBytes; |
832 | uint32_t lostSize; |
833 | |
834 | if(whichBlock - tf->which_block == 1 && tf->which_block != 0){ |
963b5f2d |
835 | tf->prev_block_end_time = tf->a_block_end->time; |
40331ba8 |
836 | tf->prev_event_time = tf->a_block_end->time; |
6cd62ccf |
837 | }else{ |
838 | tf->prev_block_end_time.tv_sec = 0; |
839 | tf->prev_block_end_time.tv_nsec = 0; |
40331ba8 |
840 | tf->prev_event_time.tv_sec = 0; |
841 | tf->prev_event_time.tv_nsec = 0; |
6cd62ccf |
842 | } |
6cd62ccf |
843 | |
963b5f2d |
844 | nbBytes=lseek(tf->fd,(off_t)((whichBlock-1)*tf->block_size), SEEK_SET); |
6cd62ccf |
845 | if(nbBytes == -1) return EINVAL; |
846 | |
963b5f2d |
847 | if(readFile(tf->fd,tf->buffer,tf->block_size,"Unable to read a block")) |
848 | return EIO; |
6cd62ccf |
849 | |
963b5f2d |
850 | tf->a_block_start=(BlockStart *) (tf->buffer + EVENT_HEADER_SIZE); |
851 | lostSize = *(uint32_t*)(tf->buffer + tf->block_size - sizeof(uint32_t)); |
852 | tf->a_block_end=(BlockEnd *)(tf->buffer + tf->block_size - |
853 | lostSize + EVENT_HEADER_SIZE); |
6cd62ccf |
854 | |
6cd62ccf |
855 | tf->which_block = whichBlock; |
963b5f2d |
856 | tf->which_event = 1; |
40331ba8 |
857 | tf->cur_event_pos = tf->buffer;//the beginning of the block, block start ev |
6cd62ccf |
858 | tf->cur_heart_beat_number = 0; |
963b5f2d |
859 | |
6cd62ccf |
860 | getCyclePerNsec(tf); |
861 | |
62e55dd6 |
862 | tf->current_event_time = getEventTime(tf); |
40331ba8 |
863 | |
6cd62ccf |
864 | return 0; |
865 | } |
866 | |
867 | /***************************************************************************** |
868 | *Function name |
869 | * updateTracefile : reinitialize the info of the block which is already |
870 | * in the buffer |
871 | *Input params |
872 | * tf : tracefile |
873 | ****************************************************************************/ |
874 | |
963b5f2d |
875 | void updateTracefile(LttTracefile * tf) |
6cd62ccf |
876 | { |
963b5f2d |
877 | tf->which_event = 1; |
40331ba8 |
878 | tf->cur_event_pos = tf->buffer; |
62e55dd6 |
879 | tf->current_event_time = getEventTime(tf); |
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 |
99ff36b1 |
895 | * ENOMEM : end of file |
896 | * ENOENT : last event |
6cd62ccf |
897 | * ERANGE : event id is out of range |
898 | ****************************************************************************/ |
899 | |
963b5f2d |
900 | int skipEvent(LttTracefile * t) |
6cd62ccf |
901 | { |
902 | int evId, err; |
903 | void * evData; |
963b5f2d |
904 | LttEventType * evT; |
905 | LttField * rootFld; |
99ff36b1 |
906 | static int evCount = 0; |
907 | |
908 | if(evCount){ |
909 | if(t->which_block == t->block_number && |
910 | evCount == t->which_event){ |
911 | return ENOMEM; |
912 | }else evCount = 0; |
913 | } |
6cd62ccf |
914 | |
963b5f2d |
915 | evId = (int)(*(uint16_t *)(t->cur_event_pos)); |
6cd62ccf |
916 | evData = t->cur_event_pos + EVENT_HEADER_SIZE; |
6cd62ccf |
917 | |
47a166fc |
918 | //regard BLOCK_START, END and HEARTBEAT as special case, there are buildin events |
919 | if(evId != TRACE_BLOCK_START && evId != TRACE_BLOCK_END && evId != TRACE_TIME_HEARTBEAT){ |
920 | evT = ltt_trace_eventtype_get(t->trace,(unsigned)evId); |
921 | |
922 | if(evT) rootFld = evT->root_field; |
923 | else return ERANGE; |
6cd62ccf |
924 | |
47a166fc |
925 | if(rootFld){ |
926 | //event has string/sequence or the last event is not the same event |
927 | if((evT->latest_block!=t->which_block || evT->latest_event!=t->which_event) |
928 | && rootFld->field_fixed == 0){ |
929 | setFieldsOffset(t, evT, evData, t->trace); |
930 | } |
931 | t->cur_event_pos += EVENT_HEADER_SIZE + rootFld->field_size; |
932 | }else t->cur_event_pos += EVENT_HEADER_SIZE; |
933 | |
934 | evT->latest_block = t->which_block; |
935 | evT->latest_event = t->which_event; |
936 | }else{ |
937 | if(evId == TRACE_BLOCK_START || evId == TRACE_BLOCK_END){ |
938 | t->cur_event_pos += sizeof(BlockStart) + EVENT_HEADER_SIZE; |
939 | }else{ |
940 | t->cur_event_pos += sizeof(TimeHeartbeat) + EVENT_HEADER_SIZE; |
941 | } |
6cd62ccf |
942 | } |
6cd62ccf |
943 | |
944 | //the next event is in the next block |
963b5f2d |
945 | if(evId == TRACE_BLOCK_END){ |
99ff36b1 |
946 | if(t->which_block == t->block_number){ |
947 | t->which_event++; |
948 | evCount = t->which_event; |
949 | return ENOENT; |
950 | } |
6cd62ccf |
951 | err = readBlock(t, t->which_block + 1); |
952 | if(err) return err; |
953 | }else{ |
954 | t->which_event++; |
62e55dd6 |
955 | t->current_event_time = getEventTime(t); |
6cd62ccf |
956 | } |
957 | |
958 | return 0; |
959 | } |
960 | |
961 | /***************************************************************************** |
962 | *Function name |
963 | * getCyclePerNsec : calculate cycles per nsec for current block |
964 | *Input Params |
965 | * t : tracefile |
966 | ****************************************************************************/ |
967 | |
963b5f2d |
968 | void getCyclePerNsec(LttTracefile * t) |
6cd62ccf |
969 | { |
963b5f2d |
970 | LttTime lBufTotalTime; /* Total time for this buffer */ |
971 | LttCycleCount lBufTotalNSec; /* Total time for this buffer in nsecs */ |
972 | LttCycleCount lBufTotalCycle;/* Total cycles for this buffer */ |
6cd62ccf |
973 | |
974 | /* Calculate the total time for this buffer */ |
963b5f2d |
975 | TimeSub(lBufTotalTime,t->a_block_end->time, t->a_block_start->time); |
6cd62ccf |
976 | |
977 | /* Calculate the total cycles for this bufffer */ |
963b5f2d |
978 | lBufTotalCycle = t->a_block_end->cycle_count |
979 | - t->a_block_start->cycle_count; |
6cd62ccf |
980 | |
981 | /* Convert the total time to nsecs */ |
982 | lBufTotalNSec = lBufTotalTime.tv_sec * 1000000000 + lBufTotalTime.tv_nsec; |
983 | |
984 | t->cycle_per_nsec = (double)lBufTotalCycle / (double)lBufTotalNSec; |
985 | } |
986 | |
987 | /**************************************************************************** |
988 | *Function name |
989 | * getEventTime : obtain the time of an event |
990 | *Input params |
991 | * tf : tracefile |
992 | *Return value |
963b5f2d |
993 | * LttTime : the time of the event |
6cd62ccf |
994 | ****************************************************************************/ |
995 | |
963b5f2d |
996 | LttTime getEventTime(LttTracefile * tf) |
6cd62ccf |
997 | { |
963b5f2d |
998 | LttTime time; |
999 | LttCycleCount cycle_count; // cycle count for the current event |
1000 | LttCycleCount lEventTotalCycle; // Total cycles from start for event |
1001 | double lEventNSec; // Total usecs from start for event |
1002 | LttTime lTimeOffset; // Time offset in struct LttTime |
40331ba8 |
1003 | uint16_t evId; |
6cd62ccf |
1004 | |
40331ba8 |
1005 | evId = *(uint16_t*)tf->cur_event_pos; |
1006 | if(evId == TRACE_BLOCK_START) |
1007 | return tf->a_block_start->time; |
1008 | else if(evId == TRACE_BLOCK_END) |
1009 | return tf->a_block_end->time; |
1010 | |
1011 | |
963b5f2d |
1012 | // Calculate total time in cycles from start of buffer for this event |
1013 | cycle_count = (LttCycleCount)*(uint32_t*)(tf->cur_event_pos + EVENT_ID_SIZE); |
6cd62ccf |
1014 | if(tf->cur_heart_beat_number) |
1015 | cycle_count += ((uint64_t)1)<<32 * tf->cur_heart_beat_number; |
963b5f2d |
1016 | lEventTotalCycle = cycle_count - tf->a_block_start->cycle_count; |
6cd62ccf |
1017 | |
963b5f2d |
1018 | // Convert it to nsecs |
6cd62ccf |
1019 | lEventNSec = lEventTotalCycle / tf->cycle_per_nsec; |
1020 | |
963b5f2d |
1021 | // Determine offset in struct LttTime |
6cd62ccf |
1022 | lTimeOffset.tv_nsec = (long)lEventNSec % 1000000000; |
1023 | lTimeOffset.tv_sec = (long)lEventNSec / 1000000000; |
1024 | |
963b5f2d |
1025 | TimeAdd(time, tf->a_block_start->time, lTimeOffset); |
6cd62ccf |
1026 | |
1027 | return time; |
1028 | } |
1029 | |
1030 | /***************************************************************************** |
1031 | *Function name |
1032 | * setFieldsOffset : set offset of the fields |
1033 | *Input params |
1034 | * tracefile : opened trace file |
1035 | * evT : the event type |
1036 | * evD : event data, it may be NULL |
1037 | ****************************************************************************/ |
1038 | |
40331ba8 |
1039 | void setFieldsOffset(LttTracefile *tf,LttEventType *evT,void *evD,LttTrace* t) |
6cd62ccf |
1040 | { |
963b5f2d |
1041 | LttField * rootFld = evT->root_field; |
6cd62ccf |
1042 | // rootFld->base_address = evD; |
1043 | |
8710c6c7 |
1044 | if(rootFld) |
1045 | rootFld->field_size = getFieldtypeSize(tf, evT, 0,0,rootFld, evD,t); |
6cd62ccf |
1046 | } |
1047 | |
1048 | /***************************************************************************** |
1049 | *Function name |
1050 | * getFieldtypeSize: get the size of the field type (primitive type) |
1051 | *Input params |
1052 | * tracefile : opened trace file |
1053 | * evT : event type |
1054 | * offsetRoot : offset from the root |
1055 | * offsetParent : offset from the parrent |
1056 | * fld : field |
1057 | * evD : event data, it may be NULL |
1058 | *Return value |
1059 | * int : size of the field |
1060 | ****************************************************************************/ |
1061 | |
963b5f2d |
1062 | int getFieldtypeSize(LttTracefile * t, LttEventType * evT, int offsetRoot, |
40331ba8 |
1063 | int offsetParent, LttField * fld, void *evD, LttTrace *trace) |
6cd62ccf |
1064 | { |
1065 | int size, size1, element_number, i, offset1, offset2; |
963b5f2d |
1066 | LttType * type = fld->field_type; |
6cd62ccf |
1067 | |
8710c6c7 |
1068 | if(t){ |
963b5f2d |
1069 | if(evT->latest_block==t->which_block && evT->latest_event==t->which_event){ |
1070 | return fld->field_size; |
1071 | } |
1072 | } |
6cd62ccf |
1073 | |
1074 | if(fld->field_fixed == 1){ |
1075 | if(fld == evT->root_field) return fld->field_size; |
1076 | } |
1077 | |
1078 | if(type->type_class != LTT_STRUCT && type->type_class != LTT_ARRAY && |
1079 | type->type_class != LTT_SEQUENCE && type->type_class != LTT_STRING){ |
1080 | if(fld->field_fixed == -1){ |
40331ba8 |
1081 | size = (int) ltt_type_size(trace, type); |
6cd62ccf |
1082 | fld->field_fixed = 1; |
1083 | }else size = fld->field_size; |
1084 | |
1085 | }else if(type->type_class == LTT_ARRAY){ |
1086 | element_number = (int) type->element_number; |
1087 | if(fld->field_fixed == -1){ |
40331ba8 |
1088 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace); |
6cd62ccf |
1089 | if(size == 0){ //has string or sequence |
1090 | fld->field_fixed = 0; |
1091 | }else{ |
1092 | fld->field_fixed = 1; |
1093 | size *= element_number; |
1094 | } |
1095 | }else if(fld->field_fixed == 0){// has string or sequence |
1096 | size = 0; |
1097 | for(i=0;i<element_number;i++){ |
1098 | size += getFieldtypeSize(t, evT, offsetRoot+size,size, |
40331ba8 |
1099 | fld->child[0], evD+size, trace); |
6cd62ccf |
1100 | } |
1101 | }else size = fld->field_size; |
1102 | |
1103 | }else if(type->type_class == LTT_SEQUENCE){ |
40331ba8 |
1104 | size1 = (int) ltt_type_size(trace, type); |
6cd62ccf |
1105 | if(fld->field_fixed == -1){ |
1106 | fld->field_fixed = 0; |
40331ba8 |
1107 | size = getFieldtypeSize(t, evT, offsetRoot,0,fld->child[0], NULL, trace); |
6cd62ccf |
1108 | fld->element_size = size; |
1109 | }else{//0: sequence |
1110 | element_number = getIntNumber(size1,evD); |
1111 | type->element_number = element_number; |
1112 | if(fld->element_size > 0){ |
1113 | size = element_number * fld->element_size; |
1114 | }else{//sequence has string or sequence |
1115 | size = 0; |
1116 | for(i=0;i<element_number;i++){ |
1117 | size += getFieldtypeSize(t, evT, offsetRoot+size+size1,size+size1, |
40331ba8 |
1118 | fld->child[0], evD+size+size1, trace); |
6cd62ccf |
1119 | } |
1120 | } |
1121 | size += size1; |
1122 | } |
1123 | |
1124 | }else if(type->type_class == LTT_STRING){ |
1125 | size = 0; |
1126 | if(fld->field_fixed == -1){ |
1127 | fld->field_fixed = 0; |
1128 | }else{//0: string |
47a166fc |
1129 | size = strlen((char*)evD) + 1; //include end : '\0' |
6cd62ccf |
1130 | } |
1131 | |
1132 | }else if(type->type_class == LTT_STRUCT){ |
1133 | element_number = (int) type->element_number; |
1134 | size = 0; |
1135 | if(fld->field_fixed == -1){ |
1136 | offset1 = offsetRoot; |
1137 | offset2 = 0; |
1138 | for(i=0;i<element_number;i++){ |
40331ba8 |
1139 | size1=getFieldtypeSize(t, evT,offset1,offset2, fld->child[i], NULL, trace); |
6cd62ccf |
1140 | if(size1 > 0 && size >= 0){ |
1141 | size += size1; |
1142 | if(offset1 >= 0) offset1 += size1; |
1143 | offset2 += size1; |
1144 | }else{ |
1145 | size = -1; |
1146 | offset1 = -1; |
1147 | offset2 = -1; |
1148 | } |
1149 | } |
1150 | if(size == -1){ |
1151 | fld->field_fixed = 0; |
1152 | size = 0; |
1153 | }else fld->field_fixed = 1; |
1154 | }else if(fld->field_fixed == 0){ |
1155 | offset1 = offsetRoot; |
1156 | offset2 = 0; |
1157 | for(i=0;i<element_number;i++){ |
40331ba8 |
1158 | size=getFieldtypeSize(t,evT,offset1,offset2,fld->child[i],evD+offset2, trace); |
6cd62ccf |
1159 | offset1 += size; |
1160 | offset2 += size; |
1161 | } |
1162 | size = offset2; |
1163 | }else size = fld->field_size; |
1164 | } |
1165 | |
1166 | fld->offset_root = offsetRoot; |
1167 | fld->offset_parent = offsetParent; |
1168 | if(!evD){ |
1169 | fld->fixed_root = (offsetRoot==-1) ? 0 : 1; |
1170 | fld->fixed_parent = (offsetParent==-1) ? 0 : 1; |
1171 | } |
1172 | fld->field_size = size; |
1173 | |
1174 | return size; |
1175 | } |
1176 | |
1177 | /***************************************************************************** |
1178 | *Function name |
1179 | * timecmp : compare two time |
1180 | *Input params |
1181 | * t1 : first time |
1182 | * t2 : second time |
1183 | *Return value |
1184 | * int : 0: t1 == t2; -1: t1 < t2; 1: t1 > t2 |
1185 | ****************************************************************************/ |
1186 | |
963b5f2d |
1187 | int timecmp(LttTime * t1, LttTime * t2) |
6cd62ccf |
1188 | { |
963b5f2d |
1189 | LttTime T; |
6cd62ccf |
1190 | TimeSub(T, *t1, *t2); |
1191 | if(T.tv_sec == 0 && T.tv_nsec == 0) return 0; |
1192 | else if(T.tv_sec > 0 || (T.tv_sec==0 && T.tv_nsec > 0)) return 1; |
1193 | else return -1; |
1194 | } |
1195 | |
1196 | /***************************************************************************** |
1197 | *Function name |
1198 | * getIntNumber : get an integer number |
1199 | *Input params |
1200 | * size : the size of the integer |
1201 | * evD : the event data |
1202 | *Return value |
1203 | * int : an integer |
1204 | ****************************************************************************/ |
1205 | |
1206 | int getIntNumber(int size, void *evD) |
1207 | { |
1208 | int64_t i; |
1209 | if(size == 1) i = *(int8_t *)evD; |
1210 | else if(size == 2) i = *(int16_t *)evD; |
1211 | else if(size == 4) i = *(int32_t *)evD; |
1212 | else if(size == 8) i = *(int64_t *)evD; |
1213 | |
1214 | return (int) i; |
1215 | } |
1216 | |
1217 | /***************************************************************************** |
1218 | *Function name |
1219 | * getDataEndianType : get the data type size and endian type of the local |
1220 | * machine |
1221 | *Input params |
1222 | * size : size of data type |
1223 | * endian : endian type, little or big |
1224 | ****************************************************************************/ |
1225 | |
963b5f2d |
1226 | void getDataEndianType(LttArchSize * size, LttArchEndian * endian) |
6cd62ccf |
1227 | { |
1228 | int i = 1; |
1229 | char c = (char) i; |
1230 | int sizeInt=sizeof(int), sizeLong=sizeof(long), sizePointer=sizeof(void *); |
1231 | |
1232 | if(c == 1) *endian = LTT_LITTLE_ENDIAN; |
1233 | else *endian = LTT_BIG_ENDIAN; |
1234 | |
1235 | if(sizeInt == 2 && sizeLong == 4 && sizePointer == 4) |
1236 | *size = LTT_LP32; |
1237 | else if(sizeInt == 4 && sizeLong == 4 && sizePointer == 4) |
1238 | *size = LTT_ILP32; |
1239 | else if(sizeInt == 4 && sizeLong == 8 && sizePointer == 8) |
1240 | *size = LTT_LP64; |
1241 | else if(sizeInt == 8 && sizeLong == 8 && sizePointer == 8) |
1242 | *size = LTT_ILP64; |
1243 | else *size = LTT_UNKNOWN; |
1244 | } |
1245 | |