/* 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 <stdlib.h>
#include <string.h>
#include "event_processing_lttng_standard.h"
-
-#ifndef g_info
-#define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
-#endif
+/* 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,
- LttvTracesetContext* const traceSetContext);
+static void initProcessingLTTVStandard(SyncState* const syncState, ...);
static void destroyProcessingLTTVStandard(SyncState* const syncState);
-static void finalizeProcessingLTTVStandard(SyncState* const syncState);
+static AllFactors* finalizeProcessingLTTVStandard(SyncState* const syncState);
static void printProcessingStatsLTTVStandard(SyncState* const syncState);
-static void writeProcessingGraphsPlotsLTTVStandard(FILE* stream, SyncState*
- const syncState, const unsigned int i, const unsigned int j);
-static void writeProcessingGraphsOptionsLTTVStandard(FILE* stream, SyncState*
- const syncState, const unsigned int i, const unsigned int j);
+static void writeProcessingGraphVariablesLTTVStandard(SyncState* const
+ syncState, const unsigned int i);
+static void writeProcessingTraceTraceOptionsLTTVStandard(SyncState* const
+ syncState, const unsigned int i, const unsigned int j);
+static void writeProcessingTraceTimeOptionsLTTVStandard(SyncState* const
+ 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);
.destroyProcessing= &destroyProcessingLTTVStandard,
.finalizeProcessing= &finalizeProcessingLTTVStandard,
.printProcessingStats= &printProcessingStatsLTTVStandard,
- .writeProcessingGraphsPlots= &writeProcessingGraphsPlotsLTTVStandard,
- .writeProcessingGraphsOptions= &writeProcessingGraphsOptionsLTTVStandard,
+ .graphFunctions= {
+ .writeVariables= &writeProcessingGraphVariablesLTTVStandard,
+ .writeTraceTraceOptions= &writeProcessingTraceTraceOptionsLTTVStandard,
+ .writeTraceTimeOptions= &writeProcessingTraceTimeOptionsLTTVStandard,
+ },
};
-
/*
* Processing Module registering function
*/
-static void registerProcessingLTTVStandard()
+void registerProcessingLTTVStandard()
{
g_queue_push_tail(&processingModules, &processingModuleLTTVStandard);
* pendingRecv
* hookListList
* stats
- * traceSetContext: set of LTTV traces
+ * traceSetContext: LttvTracesetContext*, set of LTTV traces
*/
-static void initProcessingLTTVStandard(SyncState* const syncState, LttvTracesetContext*
- const traceSetContext)
+static void initProcessingLTTVStandard(SyncState* const syncState, ...)
{
unsigned int i;
ProcessingDataLTTVStandard* processingData;
+ va_list ap;
processingData= malloc(sizeof(ProcessingDataLTTVStandard));
syncState->processingData= processingData;
- processingData->traceSetContext= traceSetContext;
+ va_start(ap, syncState);
+ processingData->traceSetContext= va_arg(ap, LttvTracesetContext*);
+ va_end(ap);
+ syncState->traceNb=
+ lttv_traceset_number(processingData->traceSetContext->ts);
+ processingData->hookListList= g_array_sized_new(FALSE, FALSE,
+ sizeof(GArray*), syncState->traceNb);
+
+ processingData->traceNumTable= g_hash_table_new(&g_direct_hash, NULL);
+ for(i= 0; i < syncState->traceNb; i++)
+ {
+ g_hash_table_insert(processingData->traceNumTable,
+ processingData->traceSetContext->traces[i]->t,
+ GUINT_TO_POINTER(i));
+ }
+
+ processingData->pendingRecv= malloc(sizeof(GHashTable*) *
+ syncState->traceNb);
+ for(i= 0; i < syncState->traceNb; i++)
+ {
+ processingData->pendingRecv[i]= g_hash_table_new_full(&g_direct_hash,
+ NULL, NULL, &gdnDestroyEvent);
+ }
if (syncState->stats)
{
processingData->stats= NULL;
}
- processingData->traceNumTable= g_hash_table_new(&g_direct_hash, NULL);
- processingData->hookListList= g_array_sized_new(FALSE, FALSE,
- sizeof(GArray*), syncState->traceNb);
- processingData->pendingRecv= malloc(sizeof(GHashTable*) *
- syncState->traceNb);
-
- for(i= 0; i < syncState->traceNb; i++)
+ if (syncState->graphsStream)
{
- g_hash_table_insert(processingData->traceNumTable,
- processingData->traceSetContext->traces[i]->t, (gpointer) i);
- }
+ processingData->graphs= malloc(syncState->traceNb *
+ sizeof(ProcessingGraphsLTTVStandard));
- for(i= 0; i < syncState->traceNb; i++)
+ for(i= 0; i < syncState->traceNb; i++)
+ {
+ LttTrace* traceI= processingData->traceSetContext->traces[i]->t;
+
+ processingData->graphs[i].startFreq= traceI->start_freq;
+ processingData->graphs[i].freqScale= traceI->freq_scale;
+ }
+ }
+ else
{
- processingData->pendingRecv[i]= g_hash_table_new_full(&g_direct_hash,
- NULL, NULL, &gdnDestroyEvent);
+ processingData->graphs= NULL;
}
- registerHooks(processingData->hookListList, traceSetContext,
- &processEventLTTVStandard, syncState,
+ registerHooks(processingData->hookListList,
+ processingData->traceSetContext, &processEventLTTVStandard, syncState,
syncState->matchingModule->canMatch);
}
*
* Args:
* syncState container for synchronization data.
+ *
+ * Returns:
+ * AllFactors synchronization factors for each trace pair
*/
-static void finalizeProcessingLTTVStandard(SyncState* const syncState)
+static AllFactors* 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\n",
- 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);
}
/*
- * Print statistics related to processing and downstream modules. Must be
- * called after finalizeProcessing.
+ * Print statistics related to processing Must be called after
+ * finalizeProcessing.
*
* Args:
* syncState container for synchronization data.
*/
static void printProcessingStatsLTTVStandard(SyncState* const syncState)
{
- unsigned int i;
ProcessingDataLTTVStandard* processingData;
if (!syncState->stats)
printf("\tsent packets that are TCP: %d\n",
processingData->stats->totOutE);
}
-
- if (syncState->matchingModule->printMatchingStats != NULL)
- {
- syncState->matchingModule->printMatchingStats(syncState);
- }
-
- printf("Resulting synchronization factors:\n");
- for (i= 0; i < syncState->traceNb; i++)
- {
- LttTrace* t;
-
- t= processingData->traceSetContext->traces[i]->t;
-
- printf("\ttrace %u drift= %g offset= %g (%f) start time= %ld.%09ld\n",
- i, t->drift, t->offset, (double) tsc_to_uint64(t->freq_scale,
- t->start_freq, t->offset) / NANOSECONDS_PER_SECOND,
- t->start_time_from_tsc.tv_sec, t->start_time_from_tsc.tv_nsec);
- }
}
free(processingData->stats);
}
+ if (syncState->graphsStream)
+ {
+ free(processingData->graphs);
+ }
+
free(syncState->processingData);
syncState->processingData= NULL;
}
for(i= 0; i < syncState->traceNb; i++)
{
- g_debug("Cleaning up pendingRecv list\n");
+ g_debug("Cleaning up pendingRecv list");
g_hash_table_destroy(processingData->pendingRecv[i]);
}
free(processingData->pendingRecv);
LttvTraceHook* traceHook;
LttvTracefileContext* tfc;
LttEvent* event;
- LttTime time;
LttCycleCount tsc;
+ LttTime time;
+ WallTime wTime;
LttTrace* trace;
unsigned long traceNum;
struct marker_info* info;
SyncState* syncState;
ProcessingDataLTTVStandard* processingData;
+ gpointer traceNumP;
traceHook= (LttvTraceHook*) hookData;
tfc= (LttvTracefileContext*) callData;
syncState= (SyncState*) traceHook->hook_data;
processingData= (ProcessingDataLTTVStandard*) syncState->processingData;
event= ltt_tracefile_get_event(tfc->tf);
- time= ltt_event_time(event);
- tsc= trace->drift * ltt_event_cycle_count(event) + trace->offset;
info= marker_get_info_from_id(tfc->tf->mdata, event->event_id);
+ tsc= ltt_event_cycle_count(event);
+ time= ltt_event_time(event);
+ wTime.seconds= time.tv_sec;
+ 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("XXXX process event: time: %ld.%09ld trace: %ld (%p) name: %s ",
- (long) time.tv_sec, time.tv_nsec, traceNum, trace,
+ g_debug("Process event: time: %ld.%09ld trace: %ld (%p) name: %s ",
+ time.tv_sec, time.tv_nsec, traceNum, trace,
g_quark_to_string(info->name));
if (info->name == LTT_EVENT_DEV_XMIT_EXTENDED)
outE= malloc(sizeof(Event));
outE->traceNum= traceNum;
- outE->time= tsc;
+ outE->cpuTime= tsc;
+ outE->wallTime= wTime;
outE->type= TCP;
+ outE->copy= ©TCPEvent;
outE->destroy= &destroyTCPEvent;
outE->event.tcpEvent= malloc(sizeof(TCPEvent));
outE->event.tcpEvent->direction= OUT;
outE->event.tcpEvent->segmentKey= malloc(sizeof(SegmentKey));
outE->event.tcpEvent->segmentKey->connectionKey.saddr=
- ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook,
- 3));
+ htonl(ltt_event_get_unsigned(event,
+ lttv_trace_get_hook_field(traceHook, 3)));
outE->event.tcpEvent->segmentKey->connectionKey.daddr=
- ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook,
- 4));
+ htonl(ltt_event_get_unsigned(event,
+ lttv_trace_get_hook_field(traceHook, 4)));
outE->event.tcpEvent->segmentKey->tot_len=
ltt_event_get_unsigned(event, lttv_trace_get_hook_field(traceHook,
5));
syncState->matchingModule->matchEvent(syncState, outE);
- g_debug("Output event done\n");
+ g_debug("Output event done");
}
else if (info->name == LTT_EVENT_DEV_RECEIVE)
{
inE= malloc(sizeof(Event));
inE->traceNum= traceNum;
- inE->time= tsc;
+ inE->cpuTime= tsc;
+ inE->wallTime= wTime;
inE->event.tcpEvent= NULL;
+ inE->copy= ©Event;
inE->destroy= &destroyEvent;
skb= (void*) (long) ltt_event_get_long_unsigned(event,
g_hash_table_replace(processingData->pendingRecv[traceNum], skb,
inE);
- g_debug("Adding inE %p for skb %p to pendingRecv\n", inE, skb);
- }
- else
- {
- g_debug("\n");
+ g_debug("Adding inE %p for skb %p to pendingRecv", inE, skb);
}
}
else if (info->name == LTT_EVENT_TCPV4_RCV_EXTENDED)
inE->type= TCP;
inE->event.tcpEvent= malloc(sizeof(TCPEvent));
+ inE->copy= ©TCPEvent;
inE->destroy= &destroyTCPEvent;
inE->event.tcpEvent->direction= IN;
inE->event.tcpEvent->segmentKey= malloc(sizeof(SegmentKey));
inE->event.tcpEvent->segmentKey->connectionKey.saddr=
- ltt_event_get_unsigned(event,
- lttv_trace_get_hook_field(traceHook, 1));
+ htonl(ltt_event_get_unsigned(event,
+ lttv_trace_get_hook_field(traceHook, 1)));
inE->event.tcpEvent->segmentKey->connectionKey.daddr=
- ltt_event_get_unsigned(event,
- lttv_trace_get_hook_field(traceHook, 2));
+ htonl(ltt_event_get_unsigned(event,
+ lttv_trace_get_hook_field(traceHook, 2)));
inE->event.tcpEvent->segmentKey->tot_len=
ltt_event_get_unsigned(event,
lttv_trace_get_hook_field(traceHook, 3));
syncState->matchingModule->matchEvent(syncState, inE);
- g_debug("TCP input event %p for skb %p done\n", inE, skb);
+ g_debug("TCP input event %p for skb %p done", inE, skb);
}
}
else if (info->name == LTT_EVENT_UDPV4_RCV_EXTENDED)
inE->type= UDP;
inE->event.udpEvent= malloc(sizeof(UDPEvent));
+ inE->copy= ©UDPEvent;
inE->destroy= &destroyUDPEvent;
inE->event.udpEvent->direction= IN;
inE->event.udpEvent->datagramKey= malloc(sizeof(DatagramKey));
inE->event.udpEvent->datagramKey->saddr=
- ltt_event_get_unsigned(event,
- lttv_trace_get_hook_field(traceHook, 1));
+ htonl(ltt_event_get_unsigned(event,
+ lttv_trace_get_hook_field(traceHook, 1)));
inE->event.udpEvent->datagramKey->daddr=
- ltt_event_get_unsigned(event,
- lttv_trace_get_hook_field(traceHook, 2));
+ htonl(ltt_event_get_unsigned(event,
+ lttv_trace_get_hook_field(traceHook, 2)));
inE->event.udpEvent->unicast= ltt_event_get_unsigned(event,
lttv_trace_get_hook_field(traceHook, 3)) == 0 ? false : true;
inE->event.udpEvent->datagramKey->ulen=
syncState->matchingModule->matchEvent(syncState, inE);
- g_debug("UDP input event %p for skb %p done\n", inE, skb);
+ g_debug("UDP input event %p for skb %p done", inE, skb);
}
}
else
/*
- * Write the processing-specific graph lines in the gnuplot script (none at
- * the moment). Call the downstream module's graph function.
+ * Write the processing-specific variables in the gnuplot script.
*
* Args:
- * stream: stream where to write the data
* syncState: container for synchronization data
- * i: first trace number
- * j: second trace number, garanteed to be larger than i
+ * i: trace number
*/
-static void writeProcessingGraphsPlotsLTTVStandard(FILE* stream, SyncState*
- const syncState, const unsigned int i, const unsigned int j)
+static void writeProcessingGraphVariablesLTTVStandard(SyncState* const
+ syncState, const unsigned int i)
{
- if (syncState->matchingModule->writeMatchingGraphsPlots != NULL)
- {
- syncState->matchingModule->writeMatchingGraphsPlots(stream, syncState,
- i, j);
- }
+ ProcessingDataLTTVStandard* processingData= syncState->processingData;
+ ProcessingGraphsLTTVStandard* traceI= &processingData->graphs[i];
+
+ fprintf(syncState->graphsStream, "clock_freq_%u= %.3f\n", i, (double)
+ traceI->startFreq / traceI->freqScale);
}
/*
- * Write the processing-specific options in the gnuplot script. Call the
- * downstream module's options function.
+ * Write the processing-specific options in the gnuplot script.
*
* Args:
- * stream: stream where to write the data
* syncState: container for synchronization data
* i: first trace number
* j: second trace number, garanteed to be larger than i
*/
-static void writeProcessingGraphsOptionsLTTVStandard(FILE* stream, SyncState*
- const syncState, const unsigned int i, const unsigned int j)
+static void writeProcessingTraceTraceOptionsLTTVStandard(SyncState* const
+ syncState, const unsigned int i, const unsigned int j)
{
- ProcessingDataLTTVStandard* processingData;
- LttTrace* traceI, * traceJ;
-
- processingData= (ProcessingDataLTTVStandard*) syncState->processingData;
-
- traceI= processingData->traceSetContext->traces[i]->t;
- traceJ= processingData->traceSetContext->traces[j]->t;
-
- fprintf(stream,
+ fprintf(syncState->graphsStream,
+ "set key inside right bottom\n"
+ "set xlabel \"Clock %1$u\"\n"
+ "set xtics nomirror\n"
+ "set ylabel \"Clock %2$u\"\n"
+ "set ytics nomirror\n"
"set x2label \"Clock %1$d (s)\"\n"
- "set x2range [GPVAL_X_MIN / %2$.1f : GPVAL_X_MAX / %2$.1f]\n"
+ "set x2range [GPVAL_X_MIN / clock_freq_%1$u : GPVAL_X_MAX / clock_freq_%1$u]\n"
"set x2tics\n"
- "set y2label \"Clock %3$d (s)\"\n"
- "set y2range [GPVAL_Y_MIN / %4$.1f : GPVAL_Y_MAX / %4$.1f]\n"
- "set y2tics\n", i, (double) traceI->start_freq / traceI->freq_scale,
- j, (double) traceJ->start_freq / traceJ->freq_scale);
+ "set y2label \"Clock %2$d (s)\"\n"
+ "set y2range [GPVAL_Y_MIN / clock_freq_%2$u : GPVAL_Y_MAX / clock_freq_%2$u]\n"
+ "set y2tics\n", i, j);
+}
- if (syncState->matchingModule->writeMatchingGraphsOptions != NULL)
- {
- syncState->matchingModule->writeMatchingGraphsOptions(stream,
- syncState, i, j);
- }
+
+/*
+ * Write the processing-specific options in the gnuplot script.
+ *
+ * Args:
+ * syncState: container for synchronization data
+ * i: first trace number
+ * j: second trace number, garanteed to be larger than i
+ */
+static void writeProcessingTraceTimeOptionsLTTVStandard(SyncState* const
+ syncState, const unsigned int i, const unsigned int j)
+{
+ fprintf(syncState->graphsStream,
+ "set key inside right bottom\n"
+ "set xlabel \"Clock %1$u\"\n"
+ "set xtics nomirror\n"
+ "set ylabel \"time (s)\"\n"
+ "set ytics nomirror\n"
+ "set x2label \"Clock %1$d (s)\"\n"
+ "set x2range [GPVAL_X_MIN / clock_freq_%1$u : GPVAL_X_MAX / clock_freq_%1$u]\n"
+ "set x2tics\n", i);
}
projects / lttv.git / blobdiff