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Remove warning generated by newer gcc (4.6)
[lttv.git] / lttv / lttv / sync / event_processing_lttng_standard.c
CommitLineData
70407e86 1/* This file is part of the Linux Trace Toolkit viewer
277e5b53 2 * Copyright (C) 2009, 2010 Benjamin Poirier <benjamin.poirier@polymtl.ca>
70407e86 3 *
277e5b53
BP		 4 * This program is free software: you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation, either version 2.1 of the License, or (at
7 * your option) any later version.
70407e86 8 *
277e5b53
BP		 9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
12 * License for more details.
70407e86 13 *
277e5b53
BP		 14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
70407e86
BP		 16 */
17
70407e86
BP		 18#ifdef HAVE_CONFIG_H
19#include <config.h>
20#endif
21
70407e86 22#include <netinet/in.h>
2f076594 23#include <stdarg.h>
70407e86
BP		 24#include <stdint.h>
25#include <stdlib.h>
f6691532 26#include <string.h>
70407e86 27
2bd4b3e4 28#include "sync_chain.h"
10341d26 29#include "event_processing_lttng_common.h"
70407e86 30
10341d26 31#include "event_processing_lttng_standard.h"
70407e86 32
2bd5afbb
BP		 33/* IPv4 Ethertype, taken from <linux/if_ether.h>, unlikely to change as it's
34 * defined by IANA: http://www.iana.org/assignments/ethernet-numbers
35 */
36#define ETH_P_IP 0x0800
37
70407e86 38
08365995 39// Functions common to all processing modules
2f076594 40static void initProcessingLTTVStandard(SyncState* const syncState, ...);
70407e86
BP		 41static void destroyProcessingLTTVStandard(SyncState* const syncState);
42
0a87ec9a 43static AllFactors* finalizeProcessingLTTVStandard(SyncState* const syncState);
70407e86 44static void printProcessingStatsLTTVStandard(SyncState* const syncState);
66eaf2eb
BP		 45static void writeProcessingGraphVariablesLTTVStandard(SyncState* const
46 syncState, const unsigned int i);
467066ee
BP		 47static void writeProcessingTraceTraceOptionsLTTVStandard(SyncState* const
48 syncState, const unsigned int i, const unsigned int j);
49static void writeProcessingTraceTimeOptionsLTTVStandard(SyncState* const
8d7d16dd 50 syncState, const unsigned int i, const unsigned int j);
70407e86
BP		 51
52// Functions specific to this module
70407e86
BP		 53static gboolean processEventLTTVStandard(void* hookData, void* callData);
54static void partialDestroyProcessingLTTVStandard(SyncState* const syncState);
55
56
57static ProcessingModule processingModuleLTTVStandard = {
58 .name= "LTTV-standard",
59 .initProcessing= &initProcessingLTTVStandard,
60 .destroyProcessing= &destroyProcessingLTTVStandard,
61 .finalizeProcessing= &finalizeProcessingLTTVStandard,
62 .printProcessingStats= &printProcessingStatsLTTVStandard,
467066ee 63 .graphFunctions= {
66eaf2eb 64 .writeVariables= &writeProcessingGraphVariablesLTTVStandard,
467066ee
BP		 65 .writeTraceTraceOptions= &writeProcessingTraceTraceOptionsLTTVStandard,
66 .writeTraceTimeOptions= &writeProcessingTraceTimeOptionsLTTVStandard,
67 },
70407e86
BP		 68};
69
70
70407e86
BP		 71/*
72 * Processing Module registering function
73 */
2f961b65 74void registerProcessingLTTVStandard()
70407e86
BP		 75{
76 g_queue_push_tail(&processingModules, &processingModuleLTTVStandard);
77
78 createQuarks();
79}
80
81
82/*
83 * Allocate and initialize data structures for synchronizing a traceset.
84 * Register event hooks.
85 *
86 * Args:
87 * syncState: container for synchronization data.
88 * This function allocates these processingData members:
89 * traceNumTable
90 * pendingRecv
91 * hookListList
92 * stats
2f076594 93 * traceSetContext: LttvTracesetContext*, set of LTTV traces
70407e86 94 */
2f076594 95static void initProcessingLTTVStandard(SyncState* const syncState, ...)
70407e86
BP		 96{
97 unsigned int i;
98 ProcessingDataLTTVStandard* processingData;
2f076594 99 va_list ap;
70407e86
BP		 100
101 processingData= malloc(sizeof(ProcessingDataLTTVStandard));
102 syncState->processingData= processingData;
2f076594
BP		 103 va_start(ap, syncState);
104 processingData->traceSetContext= va_arg(ap, LttvTracesetContext*);
105 va_end(ap);
09857093
BP		 106 syncState->traceNb=
107 lttv_traceset_number(processingData->traceSetContext->ts);
108 processingData->hookListList= g_array_sized_new(FALSE, FALSE,
109 sizeof(GArray*), syncState->traceNb);
70407e86 110
09857093
BP		 111 processingData->traceNumTable= g_hash_table_new(&g_direct_hash, NULL);
112 for(i= 0; i < syncState->traceNb; i++)
70407e86 113 {
09857093 114 g_hash_table_insert(processingData->traceNumTable,
053b4b77
BP		 115 processingData->traceSetContext->traces[i]->t,
116 GUINT_TO_POINTER(i));
70407e86
BP		 117 }
118
70407e86
BP		 119 processingData->pendingRecv= malloc(sizeof(GHashTable*) *
120 syncState->traceNb);
70407e86
BP		 121 for(i= 0; i < syncState->traceNb; i++)
122 {
09857093
BP		 123 processingData->pendingRecv[i]= g_hash_table_new_full(&g_direct_hash,
124 NULL, NULL, &gdnDestroyEvent);
125 }
126
127 if (syncState->stats)
128 {
129 processingData->stats= calloc(1, sizeof(ProcessingStatsLTTVStandard));
130 }
131 else
132 {
133 processingData->stats= NULL;
70407e86
BP		 134 }
135
1633c5a5
BP		 136 if (syncState->graphsStream)
137 {
138 processingData->graphs= malloc(syncState->traceNb *
139 sizeof(ProcessingGraphsLTTVStandard));
140
141 for(i= 0; i < syncState->traceNb; i++)
142 {
2f076594 143 LttTrace* traceI= processingData->traceSetContext->traces[i]->t;
1633c5a5
BP		 144
145 processingData->graphs[i].startFreq= traceI->start_freq;
146 processingData->graphs[i].freqScale= traceI->freq_scale;
147 }
148 }
149 else
150 {
151 processingData->graphs= NULL;
152 }
153
2f076594
BP		 154 registerHooks(processingData->hookListList,
155 processingData->traceSetContext, &processEventLTTVStandard, syncState,
f6691532 156 syncState->matchingModule->canMatch);
70407e86
BP		 157}
158
159
160/*
eb8e0e6f 161 * Call the partial processing destroyer, obtain and the factors from
70407e86
BP		 162 * downstream
163 *
164 * Args:
165 * syncState container for synchronization data.
9c7696b8
BP		 166 *
167 * Returns:
0a87ec9a 168 * AllFactors synchronization factors for each trace pair
70407e86 169 */
0a87ec9a 170static AllFactors* finalizeProcessingLTTVStandard(SyncState* const syncState)
70407e86 171{
70407e86
BP		 172 partialDestroyProcessingLTTVStandard(syncState);
173
9c7696b8 174 return syncState->matchingModule->finalizeMatching(syncState);
70407e86
BP		 175}
176
177
178/*
eb8e0e6f 179 * Print statistics related to processing. Must be called after
d6ee5003 180 * finalizeProcessing.
70407e86
BP		 181 *
182 * Args:
183 * syncState container for synchronization data.
184 */
185static void printProcessingStatsLTTVStandard(SyncState* const syncState)
186{
70407e86
BP		 187 ProcessingDataLTTVStandard* processingData;
188
189 if (!syncState->stats)
190 {
191 return;
192 }
193
194 processingData= (ProcessingDataLTTVStandard*) syncState->processingData;
195
196 printf("LTTV processing stats:\n");
197 printf("\treceived frames: %d\n", processingData->stats->totRecv);
198 printf("\treceived frames that are IP: %d\n",
199 processingData->stats->totRecvIp);
f6691532
BP		 200 if (syncState->matchingModule->canMatch[TCP])
201 {
202 printf("\treceived and processed packets that are TCP: %d\n",
203 processingData->stats->totRecvTCP);
204 }
205 if (syncState->matchingModule->canMatch[UDP])
206 {
207 printf("\treceived and processed packets that are UDP: %d\n",
208 processingData->stats->totRecvUDP);
209 }
210 if (syncState->matchingModule->canMatch[TCP])
211 {
212 printf("\tsent packets that are TCP: %d\n",
213 processingData->stats->totOutE);
214 }
70407e86
BP		 215}
216
217
218/*
219 * Unregister event hooks. Deallocate processingData.
220 *
221 * Args:
222 * syncState: container for synchronization data.
223 * This function deallocates these processingData members:
224 * stats
225 */
226static void destroyProcessingLTTVStandard(SyncState* const syncState)
227{
228 ProcessingDataLTTVStandard* processingData;
229
230 processingData= (ProcessingDataLTTVStandard*) syncState->processingData;
231
232 if (processingData == NULL)
233 {
234 return;
235 }
236
237 partialDestroyProcessingLTTVStandard(syncState);
238
239 if (syncState->stats)
240 {
241 free(processingData->stats);
242 }
243
1633c5a5
BP		 244 if (syncState->graphsStream)
245 {
246 free(processingData->graphs);
247 }
248
70407e86
BP		 249 free(syncState->processingData);
250 syncState->processingData= NULL;
251}
252
253
254/*
255 * Unregister event hooks. Deallocate some of processingData.
256 *
257 * This function can be called right after the events have been processed to
258 * free some data structures that are not needed for finalization.
259 *
260 * Args:
261 * syncState: container for synchronization data.
262 * This function deallocates these members:
263 * traceNumTable
264 * hookListList
265 * pendingRecv
266 */
267static void partialDestroyProcessingLTTVStandard(SyncState* const syncState)
268{
269 unsigned int i;
270 ProcessingDataLTTVStandard* processingData;
271
272 processingData= (ProcessingDataLTTVStandard*) syncState->processingData;
273
274 if (processingData == NULL || processingData->traceNumTable == NULL)
275 {
276 return;
277 }
278
279 g_hash_table_destroy(processingData->traceNumTable);
280 processingData->traceNumTable= NULL;
281
282 for(i= 0; i < syncState->traceNb; i++)
283 {
284
d5b038ec 285 g_debug("Cleaning up pendingRecv list");
70407e86
BP		 286 g_hash_table_destroy(processingData->pendingRecv[i]);
287 }
288 free(processingData->pendingRecv);
289
290 unregisterHooks(processingData->hookListList,
08365995 291 processingData->traceSetContext);
70407e86
BP		 292}
293
294
295/*
296 * Lttv hook function that will be called for network events
297 *
298 * Args:
299 * hookData: LttvTraceHook* for the type of event that generated the call
300 * callData: LttvTracefileContext* at the moment of the event
301 *
302 * Returns:
303 * FALSE Always returns FALSE, meaning to keep processing hooks for
304 * this event
305 */
306static gboolean processEventLTTVStandard(void* hookData, void* callData)
307{
308 LttvTraceHook* traceHook;
309 LttvTracefileContext* tfc;
310 LttEvent* event;
70407e86 311 LttCycleCount tsc;
76be6fc2
BP		 312 LttTime time;
313 WallTime wTime;
70407e86
BP		 314 LttTrace* trace;
315 unsigned long traceNum;
316 struct marker_info* info;
317 SyncState* syncState;
318 ProcessingDataLTTVStandard* processingData;
053b4b77 319 gpointer traceNumP;
70407e86
BP		 320
321 traceHook= (LttvTraceHook*) hookData;
322 tfc= (LttvTracefileContext*) callData;
9a9ca632 323 trace= tfc->t_context->t;
70407e86
BP		 324 syncState= (SyncState*) traceHook->hook_data;
325 processingData= (ProcessingDataLTTVStandard*) syncState->processingData;
326 event= ltt_tracefile_get_event(tfc->tf);
70407e86 327 info= marker_get_info_from_id(tfc->tf->mdata, event->event_id);
76be6fc2
BP		 328 tsc= ltt_event_cycle_count(event);
329 time= ltt_event_time(event);
330 wTime.seconds= time.tv_sec;
331 wTime.nanosec= time.tv_nsec;
70407e86
BP		 332
333 g_assert(g_hash_table_lookup_extended(processingData->traceNumTable,
053b4b77
BP		 334 trace, NULL, &traceNumP));
335 traceNum= GPOINTER_TO_INT(traceNumP);
70407e86 336
d5b038ec 337 g_debug("Process event: time: %ld.%09ld trace: %ld (%p) name: %s ",
76be6fc2 338 time.tv_sec, time.tv_nsec, traceNum, trace,
70407e86
BP		 339 g_quark_to_string(info->name));
340
fea7219b 341 if (info->name == LTT_EVENT_DEV_XMIT_EXTENDED)
70407e86 342 {
10341d26 343 Event* outE;
70407e86
BP		 344
345 if (!ltt_event_get_unsigned(event,
346 lttv_trace_get_hook_field(traceHook, 1)) == ETH_P_IP ||
347 !ltt_event_get_unsigned(event,
348 lttv_trace_get_hook_field(traceHook, 2)) == IPPROTO_TCP)
349 {
350 return FALSE;
351 }
352
f6691532
BP		 353 if (!syncState->matchingModule->canMatch[TCP])
354 {
355 return FALSE;
356 }
357
70407e86
BP		 358 if (syncState->stats)
359 {
360 processingData->stats->totOutE++;
361 }
362
10341d26 363 outE= malloc(sizeof(Event));
70407e86 364 outE->traceNum= traceNum;
76be6fc2
BP		 365 outE->cpuTime= tsc;
366 outE->wallTime= wTime;
10341d26 367 outE->type= TCP;
d4721e1a 368 outE->copy= &copyTCPEvent;
10341d26
BP		 369 outE->destroy= &destroyTCPEvent;
370 outE->event.tcpEvent= malloc(sizeof(TCPEvent));
371 outE->event.tcpEvent->direction= OUT;
372 outE->event.tcpEvent->segmentKey= malloc(sizeof(SegmentKey));
373 outE->event.tcpEvent->segmentKey->connectionKey.saddr=
d4721e1a
BP		 374 htonl(ltt_event_get_unsigned(event,
375 lttv_trace_get_hook_field(traceHook, 3)));
10341d26 376 outE->event.tcpEvent->segmentKey->connectionKey.daddr=
d4721e1a
BP		 377 htonl(ltt_event_get_unsigned(event,
378 lttv_trace_get_hook_field(traceHook, 4)));
10341d26
BP		 379 outE->event.tcpEvent->segmentKey->tot_len=
380 ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook,
381 5));
382 outE->event.tcpEvent->segmentKey->ihl= ltt_event_get_unsigned(event,
70407e86 383 lttv_trace_get_hook_field(traceHook, 6));
10341d26
BP		 384 outE->event.tcpEvent->segmentKey->connectionKey.source=
385 ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook,
386 7));
387 outE->event.tcpEvent->segmentKey->connectionKey.dest=
388 ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook,
389 8));
390 outE->event.tcpEvent->segmentKey->seq= ltt_event_get_unsigned(event,
70407e86 391 lttv_trace_get_hook_field(traceHook, 9));
10341d26
BP		 392 outE->event.tcpEvent->segmentKey->ack_seq=
393 ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook,
394 10));
395 outE->event.tcpEvent->segmentKey->doff= ltt_event_get_unsigned(event,
70407e86 396 lttv_trace_get_hook_field(traceHook, 11));
10341d26 397 outE->event.tcpEvent->segmentKey->ack= ltt_event_get_unsigned(event,
70407e86 398 lttv_trace_get_hook_field(traceHook, 12));
10341d26 399 outE->event.tcpEvent->segmentKey->rst= ltt_event_get_unsigned(event,
70407e86 400 lttv_trace_get_hook_field(traceHook, 13));
10341d26 401 outE->event.tcpEvent->segmentKey->syn= ltt_event_get_unsigned(event,
70407e86 402 lttv_trace_get_hook_field(traceHook, 14));
10341d26 403 outE->event.tcpEvent->segmentKey->fin= ltt_event_get_unsigned(event,
70407e86
BP		 404 lttv_trace_get_hook_field(traceHook, 15));
405
10341d26 406 syncState->matchingModule->matchEvent(syncState, outE);
70407e86 407
d5b038ec 408 g_debug("Output event done");
70407e86
BP		 409 }
410 else if (info->name == LTT_EVENT_DEV_RECEIVE)
411 {
412 guint32 protocol;
413
414 if (syncState->stats)
415 {
416 processingData->stats->totRecv++;
417 }
418
419 protocol= ltt_event_get_unsigned(event,
420 lttv_trace_get_hook_field(traceHook, 1));
421
422 if (protocol == ETH_P_IP)
423 {
10341d26
BP		 424 Event* inE;
425 void* skb;
70407e86
BP		 426
427 if (syncState->stats)
428 {
429 processingData->stats->totRecvIp++;
430 }
431
10341d26 432 inE= malloc(sizeof(Event));
70407e86 433 inE->traceNum= traceNum;
76be6fc2
BP		 434 inE->cpuTime= tsc;
435 inE->wallTime= wTime;
10341d26 436 inE->event.tcpEvent= NULL;
d4721e1a 437 inE->copy= &copyEvent;
10341d26 438 inE->destroy= &destroyEvent;
70407e86 439
10341d26
BP		 440 skb= (void*) (long) ltt_event_get_long_unsigned(event,
441 lttv_trace_get_hook_field(traceHook, 0));
442 g_hash_table_replace(processingData->pendingRecv[traceNum], skb,
443 inE);
70407e86 444
d5b038ec 445 g_debug("Adding inE %p for skb %p to pendingRecv", inE, skb);
70407e86
BP		 446 }
447 }
fea7219b 448 else if (info->name == LTT_EVENT_TCPV4_RCV_EXTENDED)
70407e86 449 {
10341d26 450 Event* inE;
70407e86
BP		 451 void* skb;
452
453 // Search pendingRecv for an event with the same skb
454 skb= (void*) (long) ltt_event_get_long_unsigned(event,
455 lttv_trace_get_hook_field(traceHook, 0));
456
10341d26 457 inE= (Event*)
70407e86
BP		 458 g_hash_table_lookup(processingData->pendingRecv[traceNum], skb);
459 if (inE == NULL)
460 {
461 // This should only happen in case of lost events
f6691532 462 g_warning("No matching pending receive event found");
70407e86
BP		 463 }
464 else
465 {
466 if (syncState->stats)
467 {
f6691532 468 processingData->stats->totRecvTCP++;
70407e86
BP		 469 }
470
471 // If it's there, remove it and proceed with a receive event
472 g_hash_table_steal(processingData->pendingRecv[traceNum], skb);
473
10341d26
BP		 474 inE->type= TCP;
475 inE->event.tcpEvent= malloc(sizeof(TCPEvent));
d4721e1a 476 inE->copy= &copyTCPEvent;
10341d26
BP		 477 inE->destroy= &destroyTCPEvent;
478 inE->event.tcpEvent->direction= IN;
479 inE->event.tcpEvent->segmentKey= malloc(sizeof(SegmentKey));
480 inE->event.tcpEvent->segmentKey->connectionKey.saddr=
d4721e1a
BP		 481 htonl(ltt_event_get_unsigned(event,
482 lttv_trace_get_hook_field(traceHook, 1)));
10341d26 483 inE->event.tcpEvent->segmentKey->connectionKey.daddr=
d4721e1a
BP		 484 htonl(ltt_event_get_unsigned(event,
485 lttv_trace_get_hook_field(traceHook, 2)));
10341d26
BP		 486 inE->event.tcpEvent->segmentKey->tot_len=
487 ltt_event_get_unsigned(event,
488 lttv_trace_get_hook_field(traceHook, 3));
489 inE->event.tcpEvent->segmentKey->ihl=
490 ltt_event_get_unsigned(event,
491 lttv_trace_get_hook_field(traceHook, 4));
492 inE->event.tcpEvent->segmentKey->connectionKey.source=
493 ltt_event_get_unsigned(event,
494 lttv_trace_get_hook_field(traceHook, 5));
495 inE->event.tcpEvent->segmentKey->connectionKey.dest=
496 ltt_event_get_unsigned(event,
497 lttv_trace_get_hook_field(traceHook, 6));
498 inE->event.tcpEvent->segmentKey->seq=
499 ltt_event_get_unsigned(event,
500 lttv_trace_get_hook_field(traceHook, 7));
501 inE->event.tcpEvent->segmentKey->ack_seq=
502 ltt_event_get_unsigned(event,
503 lttv_trace_get_hook_field(traceHook, 8));
504 inE->event.tcpEvent->segmentKey->doff=
505 ltt_event_get_unsigned(event,
506 lttv_trace_get_hook_field(traceHook, 9));
507 inE->event.tcpEvent->segmentKey->ack=
508 ltt_event_get_unsigned(event,
509 lttv_trace_get_hook_field(traceHook, 10));
510 inE->event.tcpEvent->segmentKey->rst=
511 ltt_event_get_unsigned(event,
512 lttv_trace_get_hook_field(traceHook, 11));
513 inE->event.tcpEvent->segmentKey->syn=
514 ltt_event_get_unsigned(event,
515 lttv_trace_get_hook_field(traceHook, 12));
516 inE->event.tcpEvent->segmentKey->fin=
517 ltt_event_get_unsigned(event,
518 lttv_trace_get_hook_field(traceHook, 13));
519
520 syncState->matchingModule->matchEvent(syncState, inE);
70407e86 521
d5b038ec 522 g_debug("TCP input event %p for skb %p done", inE, skb);
70407e86
BP		 523 }
524 }
f6691532 525 else if (info->name == LTT_EVENT_UDPV4_RCV_EXTENDED)
70407e86 526 {
f6691532
BP		 527 Event* inE;
528 void* skb;
70407e86 529
f6691532
BP		 530 // Search pendingRecv for an event with the same skb
531 skb= (void*) (long) ltt_event_get_long_unsigned(event,
532 lttv_trace_get_hook_field(traceHook, 0));
70407e86 533
f6691532
BP		 534 inE= (Event*)
535 g_hash_table_lookup(processingData->pendingRecv[traceNum], skb);
536 if (inE == NULL)
537 {
538 // This should only happen in case of lost events
539 g_warning("No matching pending receive event found");
540 }
541 else
542 {
543 guint64 dataStart;
70407e86 544
f6691532
BP		 545 if (syncState->stats)
546 {
547 processingData->stats->totRecvUDP++;
548 }
549
550 // If it's there, remove it and proceed with a receive event
551 g_hash_table_steal(processingData->pendingRecv[traceNum], skb);
552
553 inE->type= UDP;
554 inE->event.udpEvent= malloc(sizeof(UDPEvent));
d4721e1a 555 inE->copy= &copyUDPEvent;
f6691532
BP		 556 inE->destroy= &destroyUDPEvent;
557 inE->event.udpEvent->direction= IN;
558 inE->event.udpEvent->datagramKey= malloc(sizeof(DatagramKey));
559 inE->event.udpEvent->datagramKey->saddr=
d4721e1a
BP		 560 htonl(ltt_event_get_unsigned(event,
561 lttv_trace_get_hook_field(traceHook, 1)));
f6691532 562 inE->event.udpEvent->datagramKey->daddr=
d4721e1a
BP		 563 htonl(ltt_event_get_unsigned(event,
564 lttv_trace_get_hook_field(traceHook, 2)));
f6691532
BP		 565 inE->event.udpEvent->unicast= ltt_event_get_unsigned(event,
566 lttv_trace_get_hook_field(traceHook, 3)) == 0 ? false : true;
567 inE->event.udpEvent->datagramKey->ulen=
568 ltt_event_get_unsigned(event,
569 lttv_trace_get_hook_field(traceHook, 4));
570 inE->event.udpEvent->datagramKey->source=
571 ltt_event_get_unsigned(event,
572 lttv_trace_get_hook_field(traceHook, 5));
573 inE->event.udpEvent->datagramKey->dest=
574 ltt_event_get_unsigned(event,
575 lttv_trace_get_hook_field(traceHook, 6));
576 dataStart= ltt_event_get_long_unsigned(event,
577 lttv_trace_get_hook_field(traceHook, 7));
578 g_assert_cmpuint(sizeof(inE->event.udpEvent->datagramKey->dataKey),
579 ==, sizeof(guint64));
580 if (inE->event.udpEvent->datagramKey->ulen - 8 >=
581 sizeof(inE->event.udpEvent->datagramKey->dataKey))
582 {
583 memcpy(inE->event.udpEvent->datagramKey->dataKey, &dataStart,
584 sizeof(inE->event.udpEvent->datagramKey->dataKey));
585 }
586 else
587 {
588 memset(inE->event.udpEvent->datagramKey->dataKey, 0,
589 sizeof(inE->event.udpEvent->datagramKey->dataKey));
590 memcpy(inE->event.udpEvent->datagramKey->dataKey, &dataStart,
591 inE->event.udpEvent->datagramKey->ulen - 8);
592 }
593
594 syncState->matchingModule->matchEvent(syncState, inE);
595
d5b038ec 596 g_debug("UDP input event %p for skb %p done", inE, skb);
f6691532 597 }
70407e86
BP		 598 }
599 else
600 {
601 g_assert_not_reached();
602 }
603
604 return FALSE;
605}
08365995
BP		 606
607
66eaf2eb
BP		 608/*
609 * Write the processing-specific variables in the gnuplot script.
610 *
611 * Args:
612 * syncState: container for synchronization data
613 * i: trace number
614 */
615static void writeProcessingGraphVariablesLTTVStandard(SyncState* const
616 syncState, const unsigned int i)
617{
618 ProcessingDataLTTVStandard* processingData= syncState->processingData;
619 ProcessingGraphsLTTVStandard* traceI= &processingData->graphs[i];
620
621 fprintf(syncState->graphsStream, "clock_freq_%u= %.3f\n", i, (double)
622 traceI->startFreq / traceI->freqScale);
623}
624
625
08365995 626/*
d6ee5003 627 * Write the processing-specific options in the gnuplot script.
08365995
BP		 628 *
629 * Args:
08365995
BP		 630 * syncState: container for synchronization data
631 * i: first trace number
632 * j: second trace number, garanteed to be larger than i
633 */
467066ee 634static void writeProcessingTraceTraceOptionsLTTVStandard(SyncState* const
8d7d16dd 635 syncState, const unsigned int i, const unsigned int j)
08365995 636{
8d7d16dd 637 fprintf(syncState->graphsStream,
d6ee5003
BP		 638 "set key inside right bottom\n"
639 "set xlabel \"Clock %1$u\"\n"
640 "set xtics nomirror\n"
66eaf2eb 641 "set ylabel \"Clock %2$u\"\n"
d6ee5003 642 "set ytics nomirror\n"
08365995 643 "set x2label \"Clock %1$d (s)\"\n"
66eaf2eb 644 "set x2range [GPVAL_X_MIN / clock_freq_%1$u : GPVAL_X_MAX / clock_freq_%1$u]\n"
08365995 645 "set x2tics\n"
66eaf2eb
BP		 646 "set y2label \"Clock %2$d (s)\"\n"
647 "set y2range [GPVAL_Y_MIN / clock_freq_%2$u : GPVAL_Y_MAX / clock_freq_%2$u]\n"
648 "set y2tics\n", i, j);
08365995 649}
467066ee
BP		 650
651
652/*
653 * Write the processing-specific options in the gnuplot script.
654 *
655 * Args:
656 * syncState: container for synchronization data
657 * i: first trace number
658 * j: second trace number, garanteed to be larger than i
659 */
660static void writeProcessingTraceTimeOptionsLTTVStandard(SyncState* const
661 syncState, const unsigned int i, const unsigned int j)
662{
467066ee
BP		 663 fprintf(syncState->graphsStream,
664 "set key inside right bottom\n"
665 "set xlabel \"Clock %1$u\"\n"
666 "set xtics nomirror\n"
667 "set ylabel \"time (s)\"\n"
668 "set ytics nomirror\n"
669 "set x2label \"Clock %1$d (s)\"\n"
66eaf2eb
BP		 670 "set x2range [GPVAL_X_MIN / clock_freq_%1$u : GPVAL_X_MAX / clock_freq_%1$u]\n"
671 "set x2tics\n", i);
467066ee 672}
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