/* This file is part of the Linux Trace Toolkit viewer
- * Copyright (C) 2009 Benjamin Poirier <benjamin.poirier@polymtl.ca>
+ * Copyright (C) 2009, 2010 Benjamin Poirier <benjamin.poirier@polymtl.ca>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License Version 2 as
- * published by the Free Software Foundation;
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 2.1 of the License, or (at
+ * your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#define _ISOC99_SOURCE
-
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
-#include <linux/if_ether.h>
-#include <math.h>
#include <netinet/in.h>
#include <stdarg.h>
#include <stdint.h>
#include "event_processing_lttng_standard.h"
+/* IPv4 Ethertype, taken from <linux/if_ether.h>, unlikely to change as it's
+ * defined by IANA: http://www.iana.org/assignments/ethernet-numbers
+ */
+#define ETH_P_IP 0x0800
+
// Functions common to all processing modules
static void initProcessingLTTVStandard(SyncState* const syncState, ...);
static void destroyProcessingLTTVStandard(SyncState* const syncState);
-static void finalizeProcessingLTTVStandard(SyncState* const syncState);
+static GArray* finalizeProcessingLTTVStandard(SyncState* const syncState);
static void printProcessingStatsLTTVStandard(SyncState* const syncState);
static void writeProcessingGraphVariablesLTTVStandard(SyncState* const
syncState, const unsigned int i);
syncState, const unsigned int i, const unsigned int j);
// Functions specific to this module
-static void registerProcessingLTTVStandard() __attribute__((constructor (102)));
static gboolean processEventLTTVStandard(void* hookData, void* callData);
static void partialDestroyProcessingLTTVStandard(SyncState* const syncState);
/*
* Processing Module registering function
*/
-static void registerProcessingLTTVStandard()
+void registerProcessingLTTVStandard()
{
g_queue_push_tail(&processingModules, &processingModuleLTTVStandard);
for(i= 0; i < syncState->traceNb; i++)
{
g_hash_table_insert(processingData->traceNumTable,
- processingData->traceSetContext->traces[i]->t, (gpointer) i);
+ processingData->traceSetContext->traces[i]->t,
+ GUINT_TO_POINTER(i));
}
processingData->pendingRecv= malloc(sizeof(GHashTable*) *
*
* Args:
* syncState container for synchronization data.
+ *
+ * Returns:
+ * Factors[traceNb] synchronization factors for each trace
*/
-static void finalizeProcessingLTTVStandard(SyncState* const syncState)
+static GArray* finalizeProcessingLTTVStandard(SyncState* const syncState)
{
- unsigned int i;
- GArray* factors;
- double minOffset, minDrift;
- unsigned int refFreqTrace;
ProcessingDataLTTVStandard* processingData;
processingData= (ProcessingDataLTTVStandard*) syncState->processingData;
partialDestroyProcessingLTTVStandard(syncState);
- factors= syncState->matchingModule->finalizeMatching(syncState);
-
- /* The offsets are adjusted so the lowest one is 0. This is done because
- * of a Lttv specific limitation: events cannot have negative times. By
- * having non-negative offsets, events cannot be moved backwards to
- * negative times.
- */
- minOffset= 0;
- for (i= 0; i < syncState->traceNb; i++)
- {
- minOffset= MIN(g_array_index(factors, Factors, i).offset, minOffset);
- }
-
- for (i= 0; i < syncState->traceNb; i++)
- {
- g_array_index(factors, Factors, i).offset-= minOffset;
- }
-
- /* Because the timestamps are corrected at the TSC level (not at the
- * LttTime level) all trace frequencies must be made equal. We choose to
- * use the frequency of the system with the lowest drift
- */
- minDrift= INFINITY;
- refFreqTrace= 0;
- for (i= 0; i < syncState->traceNb; i++)
- {
- if (g_array_index(factors, Factors, i).drift < minDrift)
- {
- minDrift= g_array_index(factors, Factors, i).drift;
- refFreqTrace= i;
- }
- }
- g_assert(syncState->traceNb == 0 || minDrift != INFINITY);
-
- // Write the factors to the LttTrace structures
- for (i= 0; i < syncState->traceNb; i++)
- {
- LttTrace* t;
- Factors* traceFactors;
-
- t= processingData->traceSetContext->traces[i]->t;
- traceFactors= &g_array_index(factors, Factors, i);
-
- t->drift= traceFactors->drift;
- t->offset= traceFactors->offset;
- t->start_freq=
- processingData->traceSetContext->traces[refFreqTrace]->t->start_freq;
- t->freq_scale=
- processingData->traceSetContext->traces[refFreqTrace]->t->freq_scale;
- t->start_time_from_tsc =
- ltt_time_from_uint64(tsc_to_uint64(t->freq_scale, t->start_freq,
- t->drift * t->start_tsc + t->offset));
- }
-
- g_array_free(factors, TRUE);
-
- lttv_traceset_context_compute_time_span(processingData->traceSetContext,
- &processingData->traceSetContext->time_span);
-
- g_debug("traceset start %ld.%09ld end %ld.%09ld",
- processingData->traceSetContext->time_span.start_time.tv_sec,
- processingData->traceSetContext->time_span.start_time.tv_nsec,
- processingData->traceSetContext->time_span.end_time.tv_sec,
- processingData->traceSetContext->time_span.end_time.tv_nsec);
+ return syncState->matchingModule->finalizeMatching(syncState);
}
struct marker_info* info;
SyncState* syncState;
ProcessingDataLTTVStandard* processingData;
+ gpointer traceNumP;
traceHook= (LttvTraceHook*) hookData;
tfc= (LttvTracefileContext*) callData;
wTime.nanosec= time.tv_nsec;
g_assert(g_hash_table_lookup_extended(processingData->traceNumTable,
- trace, NULL, (gpointer*) &traceNum));
+ trace, NULL, &traceNumP));
+ traceNum= GPOINTER_TO_INT(traceNumP);
g_debug("Process event: time: %ld.%09ld trace: %ld (%p) name: %s ",
time.tv_sec, time.tv_nsec, traceNum, trace,
static void writeProcessingTraceTraceOptionsLTTVStandard(SyncState* const
syncState, const unsigned int i, const unsigned int j)
{
- ProcessingDataLTTVStandard* processingData;
- ProcessingGraphsLTTVStandard* traceI, * traceJ;
-
- processingData= (ProcessingDataLTTVStandard*) syncState->processingData;
-
- traceI= &processingData->graphs[i];
- traceJ= &processingData->graphs[j];
-
fprintf(syncState->graphsStream,
"set key inside right bottom\n"
"set xlabel \"Clock %1$u\"\n"
static void writeProcessingTraceTimeOptionsLTTVStandard(SyncState* const
syncState, const unsigned int i, const unsigned int j)
{
- ProcessingDataLTTVStandard* processingData;
- ProcessingGraphsLTTVStandard* traceI, * traceJ;
-
- processingData= (ProcessingDataLTTVStandard*) syncState->processingData;
-
- traceI= &processingData->graphs[i];
- traceJ= &processingData->graphs[j];
-
fprintf(syncState->graphsStream,
"set key inside right bottom\n"
"set xlabel \"Clock %1$u\"\n"
projects / lttv.git / blobdiff