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9a9ca632 BP |
1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2009 Benjamin Poirier | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License Version 2 as | |
6 | * published by the Free Software Foundation; | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
16 | * MA 02111-1307, USA. | |
17 | */ | |
18 | ||
19 | #ifdef HAVE_CONFIG_H | |
20 | #include <config.h> | |
21 | #endif | |
22 | ||
23 | #include <errno.h> | |
24 | #include <fcntl.h> | |
25 | #include <glib.h> | |
26 | #include <inttypes.h> | |
27 | #include <stdio.h> | |
28 | #include <stdlib.h> | |
29 | #include <string.h> | |
30 | #include <sys/resource.h> | |
31 | #include <sys/time.h> | |
32 | #include <sys/types.h> | |
33 | #include <sys/stat.h> | |
34 | #include <unistd.h> | |
35 | ||
36 | #include <lttv/attribute.h> | |
37 | #include <lttv/filter.h> | |
38 | #include <lttv/hook.h> | |
39 | #include <lttv/iattribute.h> | |
40 | #include <lttv/lttv.h> | |
41 | #include <lttv/module.h> | |
42 | #include <lttv/option.h> | |
43 | #include <lttv/print.h> | |
2bd4b3e4 | 44 | #include <lttv/sync/sync_chain.h> |
9a9ca632 BP |
45 | #include <ltt/ltt.h> |
46 | #include <ltt/event.h> | |
47 | #include <ltt/trace.h> | |
48 | ||
49 | ||
50 | struct TracesetChainState { | |
51 | // uint64_t* eventNbs[LttvTraceContext*] | |
52 | GHashTable* eventNbs; | |
53 | ||
54 | SyncState* syncState; | |
55 | struct timeval startTime; | |
56 | struct rusage startUsage; | |
9a9ca632 BP |
57 | }; |
58 | ||
59 | static LttvHooks* before_traceset, * before_trace, * event_hook, * after_traceset; | |
60 | ||
61 | ||
62 | static void init(); | |
63 | static void destroy(); | |
64 | ||
65 | static gboolean tracesetStart(void *hook_data, void *call_data); | |
66 | static gboolean traceStart(void *hook_data, void *call_data); | |
67 | static int processEveryEvent(void *hook_data, void *call_data); | |
68 | static gboolean tracesetEnd(void *hook_data, void *call_data); | |
69 | ||
70 | static void setupSyncChain(LttvTracesetContext* const traceSetContext); | |
71 | static void teardownSyncChain(LttvTracesetContext* const traceSetContext); | |
72 | ||
73 | void ghfPrintEventCount(gpointer key, gpointer value, gpointer user_data); | |
74 | void gdnDestroyUint64(gpointer data); | |
75 | ||
76 | // struct TracesetChainState* tracesetChainStates[LttvTracesetContext*] | |
77 | static GHashTable* tracesetChainStates; | |
78 | ||
79 | static LttvHooks* before_traceset, * before_trace, * event_hook, * after_traceset; | |
80 | static const struct { | |
81 | const char const *path; | |
82 | LttvHooks **hook; | |
83 | LttvHook function; | |
84 | } batchAnalysisHooks[] = { | |
85 | {"hooks/traceset/before", &before_traceset, &tracesetStart}, | |
86 | {"hooks/trace/before", &before_trace, &traceStart}, | |
87 | {"hooks/event", &event_hook, &processEveryEvent}, | |
88 | {"hooks/traceset/after", &after_traceset, &tracesetEnd}, | |
89 | }; | |
90 | ||
91 | static gboolean optionEvalGraphs; | |
92 | static char* optionEvalGraphsDir; | |
93 | static char graphsDir[20]; | |
94 | ||
95 | ||
96 | /* | |
97 | * Module init function | |
98 | */ | |
99 | static void init() | |
100 | { | |
101 | gboolean result; | |
102 | unsigned int i; | |
103 | LttvAttributeValue value; | |
104 | int retval; | |
105 | LttvIAttribute* attributes= LTTV_IATTRIBUTE(lttv_global_attributes()); | |
106 | ||
107 | tracesetChainStates= g_hash_table_new(NULL, NULL); | |
108 | ||
109 | for (i= 0; i < sizeof(batchAnalysisHooks) / sizeof(*batchAnalysisHooks); | |
110 | i++) | |
111 | { | |
112 | result= lttv_iattribute_find_by_path(attributes, | |
113 | batchAnalysisHooks[i].path, LTTV_POINTER, &value); | |
114 | g_assert(result); | |
115 | *batchAnalysisHooks[i].hook= *(value.v_pointer); | |
116 | g_assert(*batchAnalysisHooks[i].hook); | |
117 | lttv_hooks_add(*batchAnalysisHooks[i].hook, | |
118 | batchAnalysisHooks[i].function, NULL, LTTV_PRIO_DEFAULT); | |
119 | } | |
120 | ||
121 | optionEvalGraphs= FALSE; | |
122 | lttv_option_add("eval-graphs", '\0', "output gnuplot graph showing " | |
123 | "synchronization points", "none", LTTV_OPT_NONE, &optionEvalGraphs, | |
124 | NULL, NULL); | |
125 | ||
d6ee5003 | 126 | retval= snprintf(graphsDir, sizeof(graphsDir), "eval-graphs-%d", getpid()); |
9a9ca632 BP |
127 | if (retval > sizeof(graphsDir) - 1) |
128 | { | |
129 | graphsDir[sizeof(graphsDir) - 1]= '\0'; | |
130 | } | |
131 | optionEvalGraphsDir= graphsDir; | |
132 | lttv_option_add("eval-graphs-dir", '\0', "specify the directory where to" | |
133 | " store the graphs", graphsDir, LTTV_OPT_STRING, &optionEvalGraphsDir, | |
134 | NULL, NULL); | |
135 | } | |
136 | ||
137 | ||
138 | /* | |
139 | * Module destroy function | |
140 | */ | |
141 | static void destroy() | |
142 | { | |
143 | unsigned int i; | |
144 | ||
145 | g_assert_cmpuint(g_hash_table_size(tracesetChainStates), ==, 0); | |
146 | g_hash_table_destroy(tracesetChainStates); | |
147 | ||
148 | for (i= 0; i < sizeof(batchAnalysisHooks) / sizeof(*batchAnalysisHooks); | |
149 | i++) | |
150 | { | |
151 | lttv_hooks_remove_data(*batchAnalysisHooks[i].hook, | |
152 | batchAnalysisHooks[i].function, NULL); | |
153 | } | |
154 | ||
155 | lttv_option_remove("eval-graphs"); | |
156 | lttv_option_remove("eval-graphs-dir"); | |
157 | } | |
158 | ||
159 | ||
160 | /* | |
161 | * Lttv hook function that will be called before a traceset is processed | |
162 | * | |
163 | * Args: | |
164 | * hookData: NULL | |
165 | * callData: LttvTracesetContext* at that moment | |
166 | * | |
167 | * Returns: | |
168 | * FALSE Always returns FALSE, meaning to keep processing hooks | |
169 | */ | |
170 | static gboolean tracesetStart(void *hook_data, void *call_data) | |
171 | { | |
172 | struct TracesetChainState* tracesetChainState; | |
173 | LttvTracesetContext *tsc= (LttvTracesetContext *) call_data; | |
174 | ||
175 | tracesetChainState= malloc(sizeof(struct TracesetChainState)); | |
176 | g_hash_table_insert(tracesetChainStates, tsc, tracesetChainState); | |
177 | tracesetChainState->eventNbs= g_hash_table_new_full(&g_direct_hash, | |
178 | &g_direct_equal, NULL, &gdnDestroyUint64); | |
179 | ||
180 | gettimeofday(&tracesetChainState->startTime, 0); | |
181 | getrusage(RUSAGE_SELF, &tracesetChainState->startUsage); | |
182 | ||
183 | setupSyncChain(tsc); | |
184 | ||
185 | return FALSE; | |
186 | } | |
187 | ||
188 | ||
189 | /* | |
190 | * Lttv hook function that will be called before a trace is processed | |
191 | * | |
192 | * Args: | |
193 | * hookData: NULL | |
194 | * callData: LttvTraceContext* at that moment | |
195 | * | |
196 | * Returns: | |
197 | * FALSE Always returns FALSE, meaning to keep processing hooks | |
198 | */ | |
199 | static gboolean traceStart(void *hook_data, void *call_data) | |
200 | { | |
201 | struct TracesetChainState* tracesetChainState; | |
202 | uint64_t* eventNb; | |
203 | LttvTraceContext* tc= (LttvTraceContext*) call_data; | |
204 | LttvTracesetContext* tsc= tc->ts_context; | |
205 | ||
206 | tracesetChainState= g_hash_table_lookup(tracesetChainStates, tsc); | |
207 | eventNb= malloc(sizeof(uint64_t)); | |
208 | *eventNb= 0; | |
209 | g_hash_table_insert(tracesetChainState->eventNbs, tc, eventNb); | |
210 | ||
211 | return FALSE; | |
212 | } | |
213 | ||
214 | ||
215 | /* | |
216 | * Lttv hook function that is called for every event | |
217 | * | |
218 | * Args: | |
219 | * hookData: NULL | |
220 | * callData: LttvTracefileContext* at the moment of the event | |
221 | * | |
222 | * Returns: | |
223 | * FALSE Always returns FALSE, meaning to keep processing hooks for | |
224 | * this event | |
225 | */ | |
226 | static int processEveryEvent(void *hook_data, void *call_data) | |
227 | { | |
228 | LttvTracefileContext* tfc= (LttvTracefileContext*) call_data; | |
229 | LttvTraceContext* tc= tfc->t_context; | |
230 | LttvTracesetContext* tsc= tc->ts_context; | |
231 | struct TracesetChainState* tracesetChainState; | |
232 | uint64_t* eventNb; | |
233 | ||
234 | tracesetChainState= g_hash_table_lookup(tracesetChainStates, tsc); | |
235 | eventNb= g_hash_table_lookup(tracesetChainState->eventNbs, tc); | |
236 | ||
237 | (*eventNb)++; | |
238 | ||
239 | return FALSE; | |
240 | } | |
241 | ||
242 | ||
243 | /* | |
244 | * Lttv hook function that is called after a traceset has been processed | |
245 | * | |
246 | * Args: | |
247 | * hookData: NULL | |
248 | * callData: LttvTracefileContext* at that moment | |
249 | * | |
250 | * Returns: | |
251 | * FALSE Always returns FALSE, meaning to keep processing hooks | |
252 | */ | |
253 | static gboolean tracesetEnd(void *hook_data, void *call_data) | |
254 | { | |
255 | struct TracesetChainState* tracesetChainState; | |
256 | LttvTracesetContext* tsc= (LttvTracesetContext*) call_data; | |
257 | uint64_t sum= 0; | |
258 | ||
259 | tracesetChainState= g_hash_table_lookup(tracesetChainStates, tsc); | |
260 | printf("Event count (%u traces):\n", | |
261 | g_hash_table_size(tracesetChainState->eventNbs)); | |
262 | g_hash_table_foreach(tracesetChainState->eventNbs, &ghfPrintEventCount, | |
263 | &sum); | |
264 | printf("\ttotal events: %" PRIu64 "\n", sum); | |
265 | g_hash_table_destroy(tracesetChainState->eventNbs); | |
266 | ||
267 | teardownSyncChain(tsc); | |
268 | ||
269 | g_hash_table_remove(tracesetChainStates, tsc); | |
270 | ||
271 | return FALSE; | |
272 | } | |
273 | ||
274 | ||
275 | /* | |
276 | * Initialize modules in a sync chain. Use modules that will check | |
277 | * the precision of time synchronization between a group of traces. | |
278 | * | |
279 | * Args: | |
280 | * traceSetContext: traceset | |
281 | */ | |
282 | void setupSyncChain(LttvTracesetContext* const traceSetContext) | |
283 | { | |
284 | struct TracesetChainState* tracesetChainState; | |
285 | SyncState* syncState; | |
286 | GList* result; | |
287 | int retval; | |
288 | ||
289 | tracesetChainState= g_hash_table_lookup(tracesetChainStates, traceSetContext); | |
290 | syncState= malloc(sizeof(SyncState)); | |
291 | tracesetChainState->syncState= syncState; | |
292 | syncState->traceNb= lttv_traceset_number(traceSetContext->ts); | |
293 | ||
294 | syncState->stats= true; | |
295 | ||
296 | if (optionEvalGraphs) | |
9a9ca632 BP |
297 | { |
298 | char* cwd; | |
299 | int graphsFp; | |
300 | ||
301 | // Create the graph directory right away in case the module initialization | |
302 | // functions have something to write in it. | |
8d7d16dd BP |
303 | syncState->graphsDir= optionEvalGraphsDir; |
304 | cwd= changeToGraphDir(optionEvalGraphsDir); | |
9a9ca632 BP |
305 | |
306 | if ((graphsFp= open("graphs.gnu", O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | | |
307 | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH | |
308 | | S_IWOTH | S_IXOTH)) == -1) | |
309 | { | |
310 | g_error(strerror(errno)); | |
311 | } | |
8d7d16dd | 312 | if ((syncState->graphsStream= fdopen(graphsFp, "w")) == NULL) |
9a9ca632 BP |
313 | { |
314 | g_error(strerror(errno)); | |
315 | } | |
316 | ||
e072e1ab BP |
317 | fprintf(syncState->graphsStream, |
318 | "#!/usr/bin/gnuplot\n\n" | |
319 | "set terminal postscript eps color size 8in,6in\n"); | |
320 | ||
9a9ca632 BP |
321 | retval= chdir(cwd); |
322 | if (retval == -1) | |
323 | { | |
324 | g_error(strerror(errno)); | |
325 | } | |
326 | free(cwd); | |
327 | } | |
8d7d16dd BP |
328 | else |
329 | { | |
330 | syncState->graphsStream= NULL; | |
331 | syncState->graphsDir= NULL; | |
332 | } | |
9a9ca632 | 333 | |
9a9ca632 | 334 | syncState->analysisData= NULL; |
cdce23b3 BP |
335 | result= g_queue_find_custom(&analysisModules, "eval", |
336 | &gcfCompareAnalysis); | |
9a9ca632 | 337 | syncState->analysisModule= (AnalysisModule*) result->data; |
d4721e1a | 338 | syncState->analysisModule->initAnalysis(syncState); |
9a9ca632 | 339 | |
d4721e1a | 340 | syncState->matchingData= NULL; |
d6ee5003 BP |
341 | result= g_queue_find_custom(&matchingModules, "distributor", |
342 | &gcfCompareMatching); | |
d4721e1a | 343 | syncState->matchingModule= (MatchingModule*) result->data; |
9a9ca632 | 344 | syncState->matchingModule->initMatching(syncState); |
d4721e1a BP |
345 | |
346 | syncState->processingData= NULL; | |
347 | result= g_queue_find_custom(&processingModules, "LTTV-standard", | |
348 | &gcfCompareProcessing); | |
349 | syncState->processingModule= (ProcessingModule*) result->data; | |
350 | syncState->processingModule->initProcessing(syncState, traceSetContext); | |
9a9ca632 BP |
351 | } |
352 | ||
353 | ||
354 | /* | |
355 | * Destroy modules in a sync chain | |
356 | * | |
357 | * Args: | |
358 | * traceSetContext: traceset | |
359 | */ | |
360 | void teardownSyncChain(LttvTracesetContext* const traceSetContext) | |
361 | { | |
362 | struct TracesetChainState* tracesetChainState; | |
363 | SyncState* syncState; | |
364 | struct timeval endTime; | |
365 | struct rusage endUsage; | |
d6ee5003 | 366 | unsigned int i, j; |
9a9ca632 BP |
367 | int retval; |
368 | ||
369 | tracesetChainState= g_hash_table_lookup(tracesetChainStates, traceSetContext); | |
370 | syncState= tracesetChainState->syncState; | |
371 | ||
372 | syncState->processingModule->finalizeProcessing(syncState); | |
373 | ||
374 | // Write graphs file | |
8d7d16dd | 375 | if (optionEvalGraphs) |
9a9ca632 | 376 | { |
9a9ca632 BP |
377 | // Cover the upper triangular matrix, i is the reference node. |
378 | for (i= 0; i < syncState->traceNb; i++) | |
379 | { | |
380 | for (j= i + 1; j < syncState->traceNb; j++) | |
381 | { | |
d6ee5003 | 382 | long pos1, pos2, trunc; |
9a9ca632 | 383 | |
8d7d16dd | 384 | fprintf(syncState->graphsStream, |
e072e1ab BP |
385 | "\nreset\n" |
386 | "set output \"%03d-%03d.eps\"\n" | |
9a9ca632 | 387 | "plot \\\n", i, j); |
8d7d16dd | 388 | pos1= ftell(syncState->graphsStream); |
9a9ca632 | 389 | |
e072e1ab BP |
390 | if (syncState->processingModule->writeProcessingGraphsPlots) |
391 | { | |
392 | syncState->processingModule->writeProcessingGraphsPlots(syncState, | |
393 | i, j); | |
394 | } | |
395 | if (syncState->matchingModule->writeMatchingGraphsPlots) | |
396 | { | |
397 | syncState->matchingModule->writeMatchingGraphsPlots(syncState, | |
398 | i, j); | |
399 | } | |
d6ee5003 BP |
400 | if (syncState->analysisModule->writeAnalysisGraphsPlots) |
401 | { | |
8d7d16dd BP |
402 | syncState->analysisModule->writeAnalysisGraphsPlots(syncState, |
403 | i, j); | |
d6ee5003 | 404 | } |
9a9ca632 | 405 | |
8d7d16dd BP |
406 | fflush(syncState->graphsStream); |
407 | pos2= ftell(syncState->graphsStream); | |
d6ee5003 BP |
408 | if (pos1 != pos2) |
409 | { | |
410 | // Remove the ", \\\n" from the last graph plot line | |
411 | trunc= pos2 - 4; | |
412 | } | |
413 | else | |
414 | { | |
415 | // Remove the "plot \\\n" line to avoid creating an invalid | |
416 | // gnuplot script | |
417 | trunc= pos2 - 7; | |
418 | } | |
419 | ||
8d7d16dd | 420 | if (ftruncate(fileno(syncState->graphsStream), trunc) == -1) |
9a9ca632 BP |
421 | { |
422 | g_error(strerror(errno)); | |
423 | } | |
8d7d16dd | 424 | if (fseek(syncState->graphsStream, 0, SEEK_END) == -1) |
9a9ca632 BP |
425 | { |
426 | g_error(strerror(errno)); | |
427 | } | |
428 | ||
8d7d16dd | 429 | fprintf(syncState->graphsStream, |
9a9ca632 | 430 | "\nset output \"%1$03d-%2$03d.eps\"\n" |
d6ee5003 | 431 | "set title \"\"\n", i, j); |
9a9ca632 | 432 | |
e072e1ab BP |
433 | if (syncState->processingModule->writeProcessingGraphsOptions) |
434 | { | |
435 | syncState->processingModule->writeProcessingGraphsOptions(syncState, | |
436 | i, j); | |
437 | } | |
438 | if (syncState->matchingModule->writeMatchingGraphsOptions) | |
439 | { | |
440 | syncState->matchingModule->writeMatchingGraphsOptions(syncState, | |
441 | i, j); | |
442 | } | |
d6ee5003 BP |
443 | if (syncState->analysisModule->writeAnalysisGraphsOptions) |
444 | { | |
8d7d16dd BP |
445 | syncState->analysisModule->writeAnalysisGraphsOptions(syncState, |
446 | i, j); | |
d6ee5003 | 447 | } |
9a9ca632 | 448 | |
d6ee5003 BP |
449 | if (pos1 != pos2) |
450 | { | |
8d7d16dd | 451 | fprintf(syncState->graphsStream, "replot\n"); |
d6ee5003 | 452 | } |
9a9ca632 BP |
453 | } |
454 | } | |
455 | ||
8d7d16dd | 456 | if (fclose(syncState->graphsStream) != 0) |
9a9ca632 BP |
457 | { |
458 | g_error(strerror(errno)); | |
459 | } | |
460 | } | |
461 | ||
462 | if (syncState->processingModule->printProcessingStats != NULL) | |
463 | { | |
464 | syncState->processingModule->printProcessingStats(syncState); | |
465 | } | |
d6ee5003 BP |
466 | if (syncState->matchingModule->printMatchingStats != NULL) |
467 | { | |
468 | syncState->matchingModule->printMatchingStats(syncState); | |
469 | } | |
470 | if (syncState->analysisModule->printAnalysisStats != NULL) | |
471 | { | |
472 | syncState->analysisModule->printAnalysisStats(syncState); | |
473 | } | |
474 | ||
475 | printf("Resulting synchronization factors:\n"); | |
476 | for (i= 0; i < syncState->traceNb; i++) | |
477 | { | |
478 | LttTrace* t; | |
479 | ||
480 | t= traceSetContext->traces[i]->t; | |
481 | ||
482 | printf("\ttrace %u drift= %g offset= %g (%f) start time= %ld.%09ld\n", | |
483 | i, t->drift, t->offset, (double) tsc_to_uint64(t->freq_scale, | |
484 | t->start_freq, t->offset) / NANOSECONDS_PER_SECOND, | |
485 | t->start_time_from_tsc.tv_sec, t->start_time_from_tsc.tv_nsec); | |
486 | } | |
9a9ca632 BP |
487 | |
488 | syncState->processingModule->destroyProcessing(syncState); | |
489 | if (syncState->matchingModule != NULL) | |
490 | { | |
491 | syncState->matchingModule->destroyMatching(syncState); | |
492 | } | |
493 | if (syncState->analysisModule != NULL) | |
494 | { | |
495 | syncState->analysisModule->destroyAnalysis(syncState); | |
496 | } | |
497 | ||
498 | free(syncState); | |
499 | ||
500 | gettimeofday(&endTime, 0); | |
501 | retval= getrusage(RUSAGE_SELF, &endUsage); | |
502 | ||
503 | timeDiff(&endTime, &tracesetChainState->startTime); | |
504 | timeDiff(&endUsage.ru_utime, &tracesetChainState->startUsage.ru_utime); | |
505 | timeDiff(&endUsage.ru_stime, &tracesetChainState->startUsage.ru_stime); | |
506 | ||
507 | printf("Evaluation time:\n"); | |
508 | printf("\treal time: %ld.%06ld\n", endTime.tv_sec, endTime.tv_usec); | |
509 | printf("\tuser time: %ld.%06ld\n", endUsage.ru_utime.tv_sec, | |
510 | endUsage.ru_utime.tv_usec); | |
511 | printf("\tsystem time: %ld.%06ld\n", endUsage.ru_stime.tv_sec, | |
512 | endUsage.ru_stime.tv_usec); | |
513 | ||
514 | g_hash_table_remove(tracesetChainStates, traceSetContext); | |
515 | free(tracesetChainState); | |
516 | } | |
517 | ||
518 | ||
519 | ||
520 | /* | |
521 | * A GHFunc function for g_hash_table_foreach() | |
522 | * | |
523 | * Args: | |
524 | * key: LttvTraceContext * | |
525 | * value: uint64_t *, event count for this trace | |
526 | * user_data: uint64_t *, sum of the event counts | |
527 | * | |
528 | * Returns: | |
529 | * Updates the sum in user_data | |
530 | */ | |
531 | void ghfPrintEventCount(gpointer key, gpointer value, gpointer user_data) | |
532 | { | |
533 | LttvTraceContext *tc = (LttvTraceContext *) key; | |
534 | uint64_t *eventNb = (uint64_t *)value; | |
535 | uint64_t *sum = (uint64_t *)user_data; | |
536 | ||
537 | printf("\t%s: %" PRIu64 "\n", g_quark_to_string(ltt_trace_name(tc->t)), | |
538 | *eventNb); | |
539 | *sum += *eventNb; | |
540 | } | |
541 | ||
542 | ||
543 | /* | |
544 | * A GDestroyNotify function for g_hash_table_new_full() | |
545 | * | |
546 | * Args: | |
547 | * data: TsetStats * | |
548 | */ | |
549 | void gdnDestroyUint64(gpointer data) | |
550 | { | |
551 | free((uint64_t *) data); | |
552 | } | |
553 | ||
554 | ||
555 | LTTV_MODULE("sync_chain_batch", "Execute synchronization modules in a "\ | |
556 | "post-processing step.", "This can be used to quantify the precision "\ | |
557 | "with which a group of trace is synchronized.", init, destroy,\ | |
558 | "batchAnalysis", "option", "sync") |