| 1 | /* This file is part of the Linux Trace Toolkit viewer |
| 2 | * Copyright (C) 2009 Benjamin Poirier <benjamin.poirier@polymtl.ca> |
| 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 | #define _ISOC99_SOURCE |
| 20 | |
| 21 | #ifdef HAVE_CONFIG_H |
| 22 | #include <config.h> |
| 23 | #endif |
| 24 | |
| 25 | #include <linux/if_ether.h> |
| 26 | #include <math.h> |
| 27 | #include <netinet/in.h> |
| 28 | #include <stdarg.h> |
| 29 | #include <stdint.h> |
| 30 | #include <stdlib.h> |
| 31 | #include <string.h> |
| 32 | |
| 33 | #include "sync_chain.h" |
| 34 | #include "event_processing_lttng_common.h" |
| 35 | |
| 36 | #include "event_processing_lttng_standard.h" |
| 37 | |
| 38 | |
| 39 | // Functions common to all processing modules |
| 40 | static void initProcessingLTTVStandard(SyncState* const syncState, ...); |
| 41 | static void destroyProcessingLTTVStandard(SyncState* const syncState); |
| 42 | |
| 43 | static void finalizeProcessingLTTVStandard(SyncState* const syncState); |
| 44 | static void printProcessingStatsLTTVStandard(SyncState* const syncState); |
| 45 | static void writeProcessingGraphVariablesLTTVStandard(SyncState* const |
| 46 | syncState, const unsigned int i); |
| 47 | static void writeProcessingTraceTraceOptionsLTTVStandard(SyncState* const |
| 48 | syncState, const unsigned int i, const unsigned int j); |
| 49 | static void writeProcessingTraceTimeOptionsLTTVStandard(SyncState* const |
| 50 | syncState, const unsigned int i, const unsigned int j); |
| 51 | |
| 52 | // Functions specific to this module |
| 53 | static void registerProcessingLTTVStandard() __attribute__((constructor (102))); |
| 54 | static gboolean processEventLTTVStandard(void* hookData, void* callData); |
| 55 | static void partialDestroyProcessingLTTVStandard(SyncState* const syncState); |
| 56 | |
| 57 | |
| 58 | static ProcessingModule processingModuleLTTVStandard = { |
| 59 | .name= "LTTV-standard", |
| 60 | .initProcessing= &initProcessingLTTVStandard, |
| 61 | .destroyProcessing= &destroyProcessingLTTVStandard, |
| 62 | .finalizeProcessing= &finalizeProcessingLTTVStandard, |
| 63 | .printProcessingStats= &printProcessingStatsLTTVStandard, |
| 64 | .graphFunctions= { |
| 65 | .writeVariables= &writeProcessingGraphVariablesLTTVStandard, |
| 66 | .writeTraceTraceOptions= &writeProcessingTraceTraceOptionsLTTVStandard, |
| 67 | .writeTraceTimeOptions= &writeProcessingTraceTimeOptionsLTTVStandard, |
| 68 | }, |
| 69 | }; |
| 70 | |
| 71 | |
| 72 | /* |
| 73 | * Processing Module registering function |
| 74 | */ |
| 75 | static void registerProcessingLTTVStandard() |
| 76 | { |
| 77 | g_queue_push_tail(&processingModules, &processingModuleLTTVStandard); |
| 78 | |
| 79 | createQuarks(); |
| 80 | } |
| 81 | |
| 82 | |
| 83 | /* |
| 84 | * Allocate and initialize data structures for synchronizing a traceset. |
| 85 | * Register event hooks. |
| 86 | * |
| 87 | * Args: |
| 88 | * syncState: container for synchronization data. |
| 89 | * This function allocates these processingData members: |
| 90 | * traceNumTable |
| 91 | * pendingRecv |
| 92 | * hookListList |
| 93 | * stats |
| 94 | * traceSetContext: LttvTracesetContext*, set of LTTV traces |
| 95 | */ |
| 96 | static void initProcessingLTTVStandard(SyncState* const syncState, ...) |
| 97 | { |
| 98 | unsigned int i; |
| 99 | ProcessingDataLTTVStandard* processingData; |
| 100 | va_list ap; |
| 101 | |
| 102 | processingData= malloc(sizeof(ProcessingDataLTTVStandard)); |
| 103 | syncState->processingData= processingData; |
| 104 | va_start(ap, syncState); |
| 105 | processingData->traceSetContext= va_arg(ap, LttvTracesetContext*); |
| 106 | va_end(ap); |
| 107 | |
| 108 | if (syncState->stats) |
| 109 | { |
| 110 | processingData->stats= calloc(1, sizeof(ProcessingStatsLTTVStandard)); |
| 111 | } |
| 112 | else |
| 113 | { |
| 114 | processingData->stats= NULL; |
| 115 | } |
| 116 | |
| 117 | processingData->traceNumTable= g_hash_table_new(&g_direct_hash, NULL); |
| 118 | processingData->hookListList= g_array_sized_new(FALSE, FALSE, |
| 119 | sizeof(GArray*), syncState->traceNb); |
| 120 | processingData->pendingRecv= malloc(sizeof(GHashTable*) * |
| 121 | syncState->traceNb); |
| 122 | |
| 123 | for(i= 0; i < syncState->traceNb; i++) |
| 124 | { |
| 125 | g_hash_table_insert(processingData->traceNumTable, |
| 126 | processingData->traceSetContext->traces[i]->t, (gpointer) i); |
| 127 | } |
| 128 | |
| 129 | if (syncState->graphsStream) |
| 130 | { |
| 131 | processingData->graphs= malloc(syncState->traceNb * |
| 132 | sizeof(ProcessingGraphsLTTVStandard)); |
| 133 | |
| 134 | for(i= 0; i < syncState->traceNb; i++) |
| 135 | { |
| 136 | LttTrace* traceI= processingData->traceSetContext->traces[i]->t; |
| 137 | |
| 138 | processingData->graphs[i].startFreq= traceI->start_freq; |
| 139 | processingData->graphs[i].freqScale= traceI->freq_scale; |
| 140 | } |
| 141 | } |
| 142 | else |
| 143 | { |
| 144 | processingData->graphs= NULL; |
| 145 | } |
| 146 | |
| 147 | for(i= 0; i < syncState->traceNb; i++) |
| 148 | { |
| 149 | processingData->pendingRecv[i]= g_hash_table_new_full(&g_direct_hash, |
| 150 | NULL, NULL, &gdnDestroyEvent); |
| 151 | } |
| 152 | |
| 153 | registerHooks(processingData->hookListList, |
| 154 | processingData->traceSetContext, &processEventLTTVStandard, syncState, |
| 155 | syncState->matchingModule->canMatch); |
| 156 | } |
| 157 | |
| 158 | |
| 159 | /* |
| 160 | * Call the partial processing destroyer, obtain and adjust the factors from |
| 161 | * downstream |
| 162 | * |
| 163 | * Args: |
| 164 | * syncState container for synchronization data. |
| 165 | */ |
| 166 | static void finalizeProcessingLTTVStandard(SyncState* const syncState) |
| 167 | { |
| 168 | unsigned int i; |
| 169 | GArray* factors; |
| 170 | double minOffset, minDrift; |
| 171 | unsigned int refFreqTrace; |
| 172 | ProcessingDataLTTVStandard* processingData; |
| 173 | |
| 174 | processingData= (ProcessingDataLTTVStandard*) syncState->processingData; |
| 175 | |
| 176 | partialDestroyProcessingLTTVStandard(syncState); |
| 177 | |
| 178 | factors= syncState->matchingModule->finalizeMatching(syncState); |
| 179 | |
| 180 | /* The offsets are adjusted so the lowest one is 0. This is done because |
| 181 | * of a Lttv specific limitation: events cannot have negative times. By |
| 182 | * having non-negative offsets, events cannot be moved backwards to |
| 183 | * negative times. |
| 184 | */ |
| 185 | minOffset= 0; |
| 186 | for (i= 0; i < syncState->traceNb; i++) |
| 187 | { |
| 188 | minOffset= MIN(g_array_index(factors, Factors, i).offset, minOffset); |
| 189 | } |
| 190 | |
| 191 | for (i= 0; i < syncState->traceNb; i++) |
| 192 | { |
| 193 | g_array_index(factors, Factors, i).offset-= minOffset; |
| 194 | } |
| 195 | |
| 196 | /* Because the timestamps are corrected at the TSC level (not at the |
| 197 | * LttTime level) all trace frequencies must be made equal. We choose to |
| 198 | * use the frequency of the system with the lowest drift |
| 199 | */ |
| 200 | minDrift= INFINITY; |
| 201 | refFreqTrace= 0; |
| 202 | for (i= 0; i < syncState->traceNb; i++) |
| 203 | { |
| 204 | if (g_array_index(factors, Factors, i).drift < minDrift) |
| 205 | { |
| 206 | minDrift= g_array_index(factors, Factors, i).drift; |
| 207 | refFreqTrace= i; |
| 208 | } |
| 209 | } |
| 210 | g_assert(syncState->traceNb == 0 || minDrift != INFINITY); |
| 211 | |
| 212 | // Write the factors to the LttTrace structures |
| 213 | for (i= 0; i < syncState->traceNb; i++) |
| 214 | { |
| 215 | LttTrace* t; |
| 216 | Factors* traceFactors; |
| 217 | |
| 218 | t= processingData->traceSetContext->traces[i]->t; |
| 219 | traceFactors= &g_array_index(factors, Factors, i); |
| 220 | |
| 221 | t->drift= traceFactors->drift; |
| 222 | t->offset= traceFactors->offset; |
| 223 | t->start_freq= |
| 224 | processingData->traceSetContext->traces[refFreqTrace]->t->start_freq; |
| 225 | t->freq_scale= |
| 226 | processingData->traceSetContext->traces[refFreqTrace]->t->freq_scale; |
| 227 | t->start_time_from_tsc = |
| 228 | ltt_time_from_uint64(tsc_to_uint64(t->freq_scale, t->start_freq, |
| 229 | t->drift * t->start_tsc + t->offset)); |
| 230 | } |
| 231 | |
| 232 | g_array_free(factors, TRUE); |
| 233 | |
| 234 | lttv_traceset_context_compute_time_span(processingData->traceSetContext, |
| 235 | &processingData->traceSetContext->time_span); |
| 236 | |
| 237 | g_debug("traceset start %ld.%09ld end %ld.%09ld", |
| 238 | processingData->traceSetContext->time_span.start_time.tv_sec, |
| 239 | processingData->traceSetContext->time_span.start_time.tv_nsec, |
| 240 | processingData->traceSetContext->time_span.end_time.tv_sec, |
| 241 | processingData->traceSetContext->time_span.end_time.tv_nsec); |
| 242 | } |
| 243 | |
| 244 | |
| 245 | /* |
| 246 | * Print statistics related to processing Must be called after |
| 247 | * finalizeProcessing. |
| 248 | * |
| 249 | * Args: |
| 250 | * syncState container for synchronization data. |
| 251 | */ |
| 252 | static void printProcessingStatsLTTVStandard(SyncState* const syncState) |
| 253 | { |
| 254 | ProcessingDataLTTVStandard* processingData; |
| 255 | |
| 256 | if (!syncState->stats) |
| 257 | { |
| 258 | return; |
| 259 | } |
| 260 | |
| 261 | processingData= (ProcessingDataLTTVStandard*) syncState->processingData; |
| 262 | |
| 263 | printf("LTTV processing stats:\n"); |
| 264 | printf("\treceived frames: %d\n", processingData->stats->totRecv); |
| 265 | printf("\treceived frames that are IP: %d\n", |
| 266 | processingData->stats->totRecvIp); |
| 267 | if (syncState->matchingModule->canMatch[TCP]) |
| 268 | { |
| 269 | printf("\treceived and processed packets that are TCP: %d\n", |
| 270 | processingData->stats->totRecvTCP); |
| 271 | } |
| 272 | if (syncState->matchingModule->canMatch[UDP]) |
| 273 | { |
| 274 | printf("\treceived and processed packets that are UDP: %d\n", |
| 275 | processingData->stats->totRecvUDP); |
| 276 | } |
| 277 | if (syncState->matchingModule->canMatch[TCP]) |
| 278 | { |
| 279 | printf("\tsent packets that are TCP: %d\n", |
| 280 | processingData->stats->totOutE); |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | |
| 285 | /* |
| 286 | * Unregister event hooks. Deallocate processingData. |
| 287 | * |
| 288 | * Args: |
| 289 | * syncState: container for synchronization data. |
| 290 | * This function deallocates these processingData members: |
| 291 | * stats |
| 292 | */ |
| 293 | static void destroyProcessingLTTVStandard(SyncState* const syncState) |
| 294 | { |
| 295 | ProcessingDataLTTVStandard* processingData; |
| 296 | |
| 297 | processingData= (ProcessingDataLTTVStandard*) syncState->processingData; |
| 298 | |
| 299 | if (processingData == NULL) |
| 300 | { |
| 301 | return; |
| 302 | } |
| 303 | |
| 304 | partialDestroyProcessingLTTVStandard(syncState); |
| 305 | |
| 306 | if (syncState->stats) |
| 307 | { |
| 308 | free(processingData->stats); |
| 309 | } |
| 310 | |
| 311 | if (syncState->graphsStream) |
| 312 | { |
| 313 | free(processingData->graphs); |
| 314 | } |
| 315 | |
| 316 | free(syncState->processingData); |
| 317 | syncState->processingData= NULL; |
| 318 | } |
| 319 | |
| 320 | |
| 321 | /* |
| 322 | * Unregister event hooks. Deallocate some of processingData. |
| 323 | * |
| 324 | * This function can be called right after the events have been processed to |
| 325 | * free some data structures that are not needed for finalization. |
| 326 | * |
| 327 | * Args: |
| 328 | * syncState: container for synchronization data. |
| 329 | * This function deallocates these members: |
| 330 | * traceNumTable |
| 331 | * hookListList |
| 332 | * pendingRecv |
| 333 | */ |
| 334 | static void partialDestroyProcessingLTTVStandard(SyncState* const syncState) |
| 335 | { |
| 336 | unsigned int i; |
| 337 | ProcessingDataLTTVStandard* processingData; |
| 338 | |
| 339 | processingData= (ProcessingDataLTTVStandard*) syncState->processingData; |
| 340 | |
| 341 | if (processingData == NULL || processingData->traceNumTable == NULL) |
| 342 | { |
| 343 | return; |
| 344 | } |
| 345 | |
| 346 | g_hash_table_destroy(processingData->traceNumTable); |
| 347 | processingData->traceNumTable= NULL; |
| 348 | |
| 349 | for(i= 0; i < syncState->traceNb; i++) |
| 350 | { |
| 351 | |
| 352 | g_debug("Cleaning up pendingRecv list"); |
| 353 | g_hash_table_destroy(processingData->pendingRecv[i]); |
| 354 | } |
| 355 | free(processingData->pendingRecv); |
| 356 | |
| 357 | unregisterHooks(processingData->hookListList, |
| 358 | processingData->traceSetContext); |
| 359 | } |
| 360 | |
| 361 | |
| 362 | /* |
| 363 | * Lttv hook function that will be called for network events |
| 364 | * |
| 365 | * Args: |
| 366 | * hookData: LttvTraceHook* for the type of event that generated the call |
| 367 | * callData: LttvTracefileContext* at the moment of the event |
| 368 | * |
| 369 | * Returns: |
| 370 | * FALSE Always returns FALSE, meaning to keep processing hooks for |
| 371 | * this event |
| 372 | */ |
| 373 | static gboolean processEventLTTVStandard(void* hookData, void* callData) |
| 374 | { |
| 375 | LttvTraceHook* traceHook; |
| 376 | LttvTracefileContext* tfc; |
| 377 | LttEvent* event; |
| 378 | LttCycleCount tsc; |
| 379 | LttTime time; |
| 380 | WallTime wTime; |
| 381 | LttTrace* trace; |
| 382 | unsigned long traceNum; |
| 383 | struct marker_info* info; |
| 384 | SyncState* syncState; |
| 385 | ProcessingDataLTTVStandard* processingData; |
| 386 | |
| 387 | traceHook= (LttvTraceHook*) hookData; |
| 388 | tfc= (LttvTracefileContext*) callData; |
| 389 | trace= tfc->t_context->t; |
| 390 | syncState= (SyncState*) traceHook->hook_data; |
| 391 | processingData= (ProcessingDataLTTVStandard*) syncState->processingData; |
| 392 | event= ltt_tracefile_get_event(tfc->tf); |
| 393 | info= marker_get_info_from_id(tfc->tf->mdata, event->event_id); |
| 394 | tsc= ltt_event_cycle_count(event); |
| 395 | time= ltt_event_time(event); |
| 396 | wTime.seconds= time.tv_sec; |
| 397 | wTime.nanosec= time.tv_nsec; |
| 398 | |
| 399 | g_assert(g_hash_table_lookup_extended(processingData->traceNumTable, |
| 400 | trace, NULL, (gpointer*) &traceNum)); |
| 401 | |
| 402 | g_debug("Process event: time: %ld.%09ld trace: %ld (%p) name: %s ", |
| 403 | time.tv_sec, time.tv_nsec, traceNum, trace, |
| 404 | g_quark_to_string(info->name)); |
| 405 | |
| 406 | if (info->name == LTT_EVENT_DEV_XMIT_EXTENDED) |
| 407 | { |
| 408 | Event* outE; |
| 409 | |
| 410 | if (!ltt_event_get_unsigned(event, |
| 411 | lttv_trace_get_hook_field(traceHook, 1)) == ETH_P_IP || |
| 412 | !ltt_event_get_unsigned(event, |
| 413 | lttv_trace_get_hook_field(traceHook, 2)) == IPPROTO_TCP) |
| 414 | { |
| 415 | return FALSE; |
| 416 | } |
| 417 | |
| 418 | if (!syncState->matchingModule->canMatch[TCP]) |
| 419 | { |
| 420 | return FALSE; |
| 421 | } |
| 422 | |
| 423 | if (syncState->stats) |
| 424 | { |
| 425 | processingData->stats->totOutE++; |
| 426 | } |
| 427 | |
| 428 | outE= malloc(sizeof(Event)); |
| 429 | outE->traceNum= traceNum; |
| 430 | outE->cpuTime= tsc; |
| 431 | outE->wallTime= wTime; |
| 432 | outE->type= TCP; |
| 433 | outE->copy= ©TCPEvent; |
| 434 | outE->destroy= &destroyTCPEvent; |
| 435 | outE->event.tcpEvent= malloc(sizeof(TCPEvent)); |
| 436 | outE->event.tcpEvent->direction= OUT; |
| 437 | outE->event.tcpEvent->segmentKey= malloc(sizeof(SegmentKey)); |
| 438 | outE->event.tcpEvent->segmentKey->connectionKey.saddr= |
| 439 | htonl(ltt_event_get_unsigned(event, |
| 440 | lttv_trace_get_hook_field(traceHook, 3))); |
| 441 | outE->event.tcpEvent->segmentKey->connectionKey.daddr= |
| 442 | htonl(ltt_event_get_unsigned(event, |
| 443 | lttv_trace_get_hook_field(traceHook, 4))); |
| 444 | outE->event.tcpEvent->segmentKey->tot_len= |
| 445 | ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook, |
| 446 | 5)); |
| 447 | outE->event.tcpEvent->segmentKey->ihl= ltt_event_get_unsigned(event, |
| 448 | lttv_trace_get_hook_field(traceHook, 6)); |
| 449 | outE->event.tcpEvent->segmentKey->connectionKey.source= |
| 450 | ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook, |
| 451 | 7)); |
| 452 | outE->event.tcpEvent->segmentKey->connectionKey.dest= |
| 453 | ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook, |
| 454 | 8)); |
| 455 | outE->event.tcpEvent->segmentKey->seq= ltt_event_get_unsigned(event, |
| 456 | lttv_trace_get_hook_field(traceHook, 9)); |
| 457 | outE->event.tcpEvent->segmentKey->ack_seq= |
| 458 | ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook, |
| 459 | 10)); |
| 460 | outE->event.tcpEvent->segmentKey->doff= ltt_event_get_unsigned(event, |
| 461 | lttv_trace_get_hook_field(traceHook, 11)); |
| 462 | outE->event.tcpEvent->segmentKey->ack= ltt_event_get_unsigned(event, |
| 463 | lttv_trace_get_hook_field(traceHook, 12)); |
| 464 | outE->event.tcpEvent->segmentKey->rst= ltt_event_get_unsigned(event, |
| 465 | lttv_trace_get_hook_field(traceHook, 13)); |
| 466 | outE->event.tcpEvent->segmentKey->syn= ltt_event_get_unsigned(event, |
| 467 | lttv_trace_get_hook_field(traceHook, 14)); |
| 468 | outE->event.tcpEvent->segmentKey->fin= ltt_event_get_unsigned(event, |
| 469 | lttv_trace_get_hook_field(traceHook, 15)); |
| 470 | |
| 471 | syncState->matchingModule->matchEvent(syncState, outE); |
| 472 | |
| 473 | g_debug("Output event done"); |
| 474 | } |
| 475 | else if (info->name == LTT_EVENT_DEV_RECEIVE) |
| 476 | { |
| 477 | guint32 protocol; |
| 478 | |
| 479 | if (syncState->stats) |
| 480 | { |
| 481 | processingData->stats->totRecv++; |
| 482 | } |
| 483 | |
| 484 | protocol= ltt_event_get_unsigned(event, |
| 485 | lttv_trace_get_hook_field(traceHook, 1)); |
| 486 | |
| 487 | if (protocol == ETH_P_IP) |
| 488 | { |
| 489 | Event* inE; |
| 490 | void* skb; |
| 491 | |
| 492 | if (syncState->stats) |
| 493 | { |
| 494 | processingData->stats->totRecvIp++; |
| 495 | } |
| 496 | |
| 497 | inE= malloc(sizeof(Event)); |
| 498 | inE->traceNum= traceNum; |
| 499 | inE->cpuTime= tsc; |
| 500 | inE->wallTime= wTime; |
| 501 | inE->event.tcpEvent= NULL; |
| 502 | inE->copy= ©Event; |
| 503 | inE->destroy= &destroyEvent; |
| 504 | |
| 505 | skb= (void*) (long) ltt_event_get_long_unsigned(event, |
| 506 | lttv_trace_get_hook_field(traceHook, 0)); |
| 507 | g_hash_table_replace(processingData->pendingRecv[traceNum], skb, |
| 508 | inE); |
| 509 | |
| 510 | g_debug("Adding inE %p for skb %p to pendingRecv", inE, skb); |
| 511 | } |
| 512 | } |
| 513 | else if (info->name == LTT_EVENT_TCPV4_RCV_EXTENDED) |
| 514 | { |
| 515 | Event* inE; |
| 516 | void* skb; |
| 517 | |
| 518 | // Search pendingRecv for an event with the same skb |
| 519 | skb= (void*) (long) ltt_event_get_long_unsigned(event, |
| 520 | lttv_trace_get_hook_field(traceHook, 0)); |
| 521 | |
| 522 | inE= (Event*) |
| 523 | g_hash_table_lookup(processingData->pendingRecv[traceNum], skb); |
| 524 | if (inE == NULL) |
| 525 | { |
| 526 | // This should only happen in case of lost events |
| 527 | g_warning("No matching pending receive event found"); |
| 528 | } |
| 529 | else |
| 530 | { |
| 531 | if (syncState->stats) |
| 532 | { |
| 533 | processingData->stats->totRecvTCP++; |
| 534 | } |
| 535 | |
| 536 | // If it's there, remove it and proceed with a receive event |
| 537 | g_hash_table_steal(processingData->pendingRecv[traceNum], skb); |
| 538 | |
| 539 | inE->type= TCP; |
| 540 | inE->event.tcpEvent= malloc(sizeof(TCPEvent)); |
| 541 | inE->copy= ©TCPEvent; |
| 542 | inE->destroy= &destroyTCPEvent; |
| 543 | inE->event.tcpEvent->direction= IN; |
| 544 | inE->event.tcpEvent->segmentKey= malloc(sizeof(SegmentKey)); |
| 545 | inE->event.tcpEvent->segmentKey->connectionKey.saddr= |
| 546 | htonl(ltt_event_get_unsigned(event, |
| 547 | lttv_trace_get_hook_field(traceHook, 1))); |
| 548 | inE->event.tcpEvent->segmentKey->connectionKey.daddr= |
| 549 | htonl(ltt_event_get_unsigned(event, |
| 550 | lttv_trace_get_hook_field(traceHook, 2))); |
| 551 | inE->event.tcpEvent->segmentKey->tot_len= |
| 552 | ltt_event_get_unsigned(event, |
| 553 | lttv_trace_get_hook_field(traceHook, 3)); |
| 554 | inE->event.tcpEvent->segmentKey->ihl= |
| 555 | ltt_event_get_unsigned(event, |
| 556 | lttv_trace_get_hook_field(traceHook, 4)); |
| 557 | inE->event.tcpEvent->segmentKey->connectionKey.source= |
| 558 | ltt_event_get_unsigned(event, |
| 559 | lttv_trace_get_hook_field(traceHook, 5)); |
| 560 | inE->event.tcpEvent->segmentKey->connectionKey.dest= |
| 561 | ltt_event_get_unsigned(event, |
| 562 | lttv_trace_get_hook_field(traceHook, 6)); |
| 563 | inE->event.tcpEvent->segmentKey->seq= |
| 564 | ltt_event_get_unsigned(event, |
| 565 | lttv_trace_get_hook_field(traceHook, 7)); |
| 566 | inE->event.tcpEvent->segmentKey->ack_seq= |
| 567 | ltt_event_get_unsigned(event, |
| 568 | lttv_trace_get_hook_field(traceHook, 8)); |
| 569 | inE->event.tcpEvent->segmentKey->doff= |
| 570 | ltt_event_get_unsigned(event, |
| 571 | lttv_trace_get_hook_field(traceHook, 9)); |
| 572 | inE->event.tcpEvent->segmentKey->ack= |
| 573 | ltt_event_get_unsigned(event, |
| 574 | lttv_trace_get_hook_field(traceHook, 10)); |
| 575 | inE->event.tcpEvent->segmentKey->rst= |
| 576 | ltt_event_get_unsigned(event, |
| 577 | lttv_trace_get_hook_field(traceHook, 11)); |
| 578 | inE->event.tcpEvent->segmentKey->syn= |
| 579 | ltt_event_get_unsigned(event, |
| 580 | lttv_trace_get_hook_field(traceHook, 12)); |
| 581 | inE->event.tcpEvent->segmentKey->fin= |
| 582 | ltt_event_get_unsigned(event, |
| 583 | lttv_trace_get_hook_field(traceHook, 13)); |
| 584 | |
| 585 | syncState->matchingModule->matchEvent(syncState, inE); |
| 586 | |
| 587 | g_debug("TCP input event %p for skb %p done", inE, skb); |
| 588 | } |
| 589 | } |
| 590 | else if (info->name == LTT_EVENT_UDPV4_RCV_EXTENDED) |
| 591 | { |
| 592 | Event* inE; |
| 593 | void* skb; |
| 594 | |
| 595 | // Search pendingRecv for an event with the same skb |
| 596 | skb= (void*) (long) ltt_event_get_long_unsigned(event, |
| 597 | lttv_trace_get_hook_field(traceHook, 0)); |
| 598 | |
| 599 | inE= (Event*) |
| 600 | g_hash_table_lookup(processingData->pendingRecv[traceNum], skb); |
| 601 | if (inE == NULL) |
| 602 | { |
| 603 | // This should only happen in case of lost events |
| 604 | g_warning("No matching pending receive event found"); |
| 605 | } |
| 606 | else |
| 607 | { |
| 608 | guint64 dataStart; |
| 609 | |
| 610 | if (syncState->stats) |
| 611 | { |
| 612 | processingData->stats->totRecvUDP++; |
| 613 | } |
| 614 | |
| 615 | // If it's there, remove it and proceed with a receive event |
| 616 | g_hash_table_steal(processingData->pendingRecv[traceNum], skb); |
| 617 | |
| 618 | inE->type= UDP; |
| 619 | inE->event.udpEvent= malloc(sizeof(UDPEvent)); |
| 620 | inE->copy= ©UDPEvent; |
| 621 | inE->destroy= &destroyUDPEvent; |
| 622 | inE->event.udpEvent->direction= IN; |
| 623 | inE->event.udpEvent->datagramKey= malloc(sizeof(DatagramKey)); |
| 624 | inE->event.udpEvent->datagramKey->saddr= |
| 625 | htonl(ltt_event_get_unsigned(event, |
| 626 | lttv_trace_get_hook_field(traceHook, 1))); |
| 627 | inE->event.udpEvent->datagramKey->daddr= |
| 628 | htonl(ltt_event_get_unsigned(event, |
| 629 | lttv_trace_get_hook_field(traceHook, 2))); |
| 630 | inE->event.udpEvent->unicast= ltt_event_get_unsigned(event, |
| 631 | lttv_trace_get_hook_field(traceHook, 3)) == 0 ? false : true; |
| 632 | inE->event.udpEvent->datagramKey->ulen= |
| 633 | ltt_event_get_unsigned(event, |
| 634 | lttv_trace_get_hook_field(traceHook, 4)); |
| 635 | inE->event.udpEvent->datagramKey->source= |
| 636 | ltt_event_get_unsigned(event, |
| 637 | lttv_trace_get_hook_field(traceHook, 5)); |
| 638 | inE->event.udpEvent->datagramKey->dest= |
| 639 | ltt_event_get_unsigned(event, |
| 640 | lttv_trace_get_hook_field(traceHook, 6)); |
| 641 | dataStart= ltt_event_get_long_unsigned(event, |
| 642 | lttv_trace_get_hook_field(traceHook, 7)); |
| 643 | g_assert_cmpuint(sizeof(inE->event.udpEvent->datagramKey->dataKey), |
| 644 | ==, sizeof(guint64)); |
| 645 | if (inE->event.udpEvent->datagramKey->ulen - 8 >= |
| 646 | sizeof(inE->event.udpEvent->datagramKey->dataKey)) |
| 647 | { |
| 648 | memcpy(inE->event.udpEvent->datagramKey->dataKey, &dataStart, |
| 649 | sizeof(inE->event.udpEvent->datagramKey->dataKey)); |
| 650 | } |
| 651 | else |
| 652 | { |
| 653 | memset(inE->event.udpEvent->datagramKey->dataKey, 0, |
| 654 | sizeof(inE->event.udpEvent->datagramKey->dataKey)); |
| 655 | memcpy(inE->event.udpEvent->datagramKey->dataKey, &dataStart, |
| 656 | inE->event.udpEvent->datagramKey->ulen - 8); |
| 657 | } |
| 658 | |
| 659 | syncState->matchingModule->matchEvent(syncState, inE); |
| 660 | |
| 661 | g_debug("UDP input event %p for skb %p done", inE, skb); |
| 662 | } |
| 663 | } |
| 664 | else |
| 665 | { |
| 666 | g_assert_not_reached(); |
| 667 | } |
| 668 | |
| 669 | return FALSE; |
| 670 | } |
| 671 | |
| 672 | |
| 673 | /* |
| 674 | * Write the processing-specific variables in the gnuplot script. |
| 675 | * |
| 676 | * Args: |
| 677 | * syncState: container for synchronization data |
| 678 | * i: trace number |
| 679 | */ |
| 680 | static void writeProcessingGraphVariablesLTTVStandard(SyncState* const |
| 681 | syncState, const unsigned int i) |
| 682 | { |
| 683 | ProcessingDataLTTVStandard* processingData= syncState->processingData; |
| 684 | ProcessingGraphsLTTVStandard* traceI= &processingData->graphs[i]; |
| 685 | |
| 686 | fprintf(syncState->graphsStream, "clock_freq_%u= %.3f\n", i, (double) |
| 687 | traceI->startFreq / traceI->freqScale); |
| 688 | } |
| 689 | |
| 690 | |
| 691 | /* |
| 692 | * Write the processing-specific options in the gnuplot script. |
| 693 | * |
| 694 | * Args: |
| 695 | * syncState: container for synchronization data |
| 696 | * i: first trace number |
| 697 | * j: second trace number, garanteed to be larger than i |
| 698 | */ |
| 699 | static void writeProcessingTraceTraceOptionsLTTVStandard(SyncState* const |
| 700 | syncState, const unsigned int i, const unsigned int j) |
| 701 | { |
| 702 | ProcessingDataLTTVStandard* processingData; |
| 703 | ProcessingGraphsLTTVStandard* traceI, * traceJ; |
| 704 | |
| 705 | processingData= (ProcessingDataLTTVStandard*) syncState->processingData; |
| 706 | |
| 707 | traceI= &processingData->graphs[i]; |
| 708 | traceJ= &processingData->graphs[j]; |
| 709 | |
| 710 | fprintf(syncState->graphsStream, |
| 711 | "set key inside right bottom\n" |
| 712 | "set xlabel \"Clock %1$u\"\n" |
| 713 | "set xtics nomirror\n" |
| 714 | "set ylabel \"Clock %2$u\"\n" |
| 715 | "set ytics nomirror\n" |
| 716 | "set x2label \"Clock %1$d (s)\"\n" |
| 717 | "set x2range [GPVAL_X_MIN / clock_freq_%1$u : GPVAL_X_MAX / clock_freq_%1$u]\n" |
| 718 | "set x2tics\n" |
| 719 | "set y2label \"Clock %2$d (s)\"\n" |
| 720 | "set y2range [GPVAL_Y_MIN / clock_freq_%2$u : GPVAL_Y_MAX / clock_freq_%2$u]\n" |
| 721 | "set y2tics\n", i, j); |
| 722 | } |
| 723 | |
| 724 | |
| 725 | /* |
| 726 | * Write the processing-specific options in the gnuplot script. |
| 727 | * |
| 728 | * Args: |
| 729 | * syncState: container for synchronization data |
| 730 | * i: first trace number |
| 731 | * j: second trace number, garanteed to be larger than i |
| 732 | */ |
| 733 | static void writeProcessingTraceTimeOptionsLTTVStandard(SyncState* const |
| 734 | syncState, const unsigned int i, const unsigned int j) |
| 735 | { |
| 736 | ProcessingDataLTTVStandard* processingData; |
| 737 | ProcessingGraphsLTTVStandard* traceI, * traceJ; |
| 738 | |
| 739 | processingData= (ProcessingDataLTTVStandard*) syncState->processingData; |
| 740 | |
| 741 | traceI= &processingData->graphs[i]; |
| 742 | traceJ= &processingData->graphs[j]; |
| 743 | |
| 744 | fprintf(syncState->graphsStream, |
| 745 | "set key inside right bottom\n" |
| 746 | "set xlabel \"Clock %1$u\"\n" |
| 747 | "set xtics nomirror\n" |
| 748 | "set ylabel \"time (s)\"\n" |
| 749 | "set ytics nomirror\n" |
| 750 | "set x2label \"Clock %1$d (s)\"\n" |
| 751 | "set x2range [GPVAL_X_MIN / clock_freq_%1$u : GPVAL_X_MAX / clock_freq_%1$u]\n" |
| 752 | "set x2tics\n", i); |
| 753 | } |