#include <config.h>
#endif
+#include <errno.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#include "event_analysis.h"
#include "sync_chain.h"
EventType eventType);
static GArray* finalizeMatchingTCP(SyncState* const syncState);
static void printMatchingStatsTCP(SyncState* const syncState);
+static void writeMatchingGraphsPlotsTCP(FILE* stream, SyncState* const
+ syncState, const unsigned int i, const unsigned int j);
+static void writeMatchingGraphsOptionsTCP(FILE* stream, SyncState* const
+ syncState, const unsigned int i, const unsigned int j);
// Functions specific to this module
static void registerMatchingTCP() __attribute__((constructor (101)));
static void buildReversedConnectionKey(ConnectionKey* const
reversedConnectionKey, const ConnectionKey* const connectionKey);
+static void openGraphDataFiles(SyncState* const syncState);
+static void closeGraphDataFiles(SyncState* const syncState);
+static void writeMessagePoint(FILE* stream, const Packet* const packet);
+
static MatchingModule matchingModuleTCP = {
.name= "TCP",
.matchEvent= &matchEventTCP,
.finalizeMatching= &finalizeMatchingTCP,
.printMatchingStats= &printMatchingStatsTCP,
+ .writeMatchingGraphsPlots= &writeMatchingGraphsPlotsTCP,
+ .writeMatchingGraphsOptions= &writeMatchingGraphsOptionsTCP,
};
if (syncState->stats)
{
+ unsigned int i;
+
matchingData->stats= calloc(1, sizeof(MatchingStatsTCP));
+ matchingData->stats->totMessageArray= malloc(syncState->traceNb *
+ sizeof(unsigned int*));
+ for (i= 0; i < syncState->traceNb; i++)
+ {
+ matchingData->stats->totMessageArray[i]=
+ calloc(syncState->traceNb, sizeof(unsigned int));
+ }
}
else
{
matchingData->stats= NULL;
}
+
+ if (syncState->graphs)
+ {
+ openGraphDataFiles(syncState);
+ }
+ else
+ {
+ matchingData->messagePoints= NULL;
+ }
}
if (syncState->stats)
{
+ unsigned int i;
+
+ for (i= 0; i < syncState->traceNb; i++)
+ {
+ free(matchingData->stats->totMessageArray[i]);
+ }
+ free(matchingData->stats->totMessageArray);
free(matchingData->stats);
}
return;
}
- g_debug("Cleaning up unMatchedInE list\n");
g_hash_table_destroy(matchingData->unMatchedInE);
matchingData->unMatchedInE= NULL;
- g_debug("Cleaning up unMatchedOutE list\n");
g_hash_table_destroy(matchingData->unMatchedOutE);
- g_debug("Cleaning up unAcked list\n");
g_hash_table_destroy(matchingData->unAcked);
+
+ if (syncState->graphs && matchingData->messagePoints)
+ {
+ closeGraphDataFiles(syncState);
+ }
}
*/
static void printMatchingStatsTCP(SyncState* const syncState)
{
+ unsigned int i, j;
MatchingDataTCP* matchingData;
if (!syncState->stats)
matchingData= (MatchingDataTCP*) syncState->matchingData;
printf("TCP matching stats:\n");
- printf("\ttotal input and output events matched together to form a packet: %d\n",
+ printf("\ttotal input and output events matched together to form a packet: %u\n",
matchingData->stats->totPacket);
- printf("\ttotal packets identified needing an acknowledge: %d\n",
- matchingData->stats->totPacketNeedAck);
- printf("\ttotal exchanges (four events matched together): %d\n",
- matchingData->stats->totExchangeEffective);
- printf("\ttotal synchronization exchanges: %d\n",
- matchingData->stats->totExchangeSync);
+
+ printf("\tMessage traffic:\n");
+
+ for (i= 0; i < syncState->traceNb; i++)
+ {
+ for (j= i + 1; j < syncState->traceNb; j++)
+ {
+ printf("\t\t%3d - %-3d: sent %-10u received %-10u\n", i, j,
+ matchingData->stats->totMessageArray[j][i],
+ matchingData->stats->totMessageArray[i][j]);
+ }
+ }
+
+ if (syncState->analysisModule->analyzeExchange != NULL)
+ {
+ printf("\ttotal packets identified needing an acknowledge: %u\n",
+ matchingData->stats->totPacketNeedAck);
+ printf("\ttotal exchanges (four events matched together): %u\n",
+ matchingData->stats->totExchangeEffective);
+ printf("\ttotal synchronization exchanges: %u\n",
+ matchingData->stats->totExchangeSync);
+ }
if (syncState->analysisModule->printAnalysisStats != NULL)
{
{
g_debug("Found matching companion event, ");
- if (syncState->stats)
- {
- matchingData->stats->totPacket++;
- }
-
// If it's there, remove it and create a Packet
g_hash_table_steal(unMatchedOppositeList, event->packetKey);
packet= malloc(sizeof(Packet));
packet->outE->packetKey= packet->inE->packetKey;
packet->acks= NULL;
+ if (syncState->stats)
+ {
+ matchingData->stats->totPacket++;
+ matchingData->stats->totMessageArray[packet->inE->traceNum][packet->outE->traceNum]++;
+ }
+
// Discard loopback traffic
if (packet->inE->traceNum == packet->outE->traceNum)
{
return;
}
- if (syncState->analysisModule->analyzePacket)
+ if (syncState->graphs)
+ {
+ writeMessagePoint(matchingData->messagePoints[packet->inE->traceNum][packet->outE->traceNum],
+ packet);
+ }
+
+ if (syncState->analysisModule->analyzePacket != NULL)
{
syncState->analysisModule->analyzePacket(syncState, packet);
}
// We can skip the rest of the algorithm if the analysis module is not
// interested in exchanges
- if (!syncState->analysisModule->analyzeExchange)
+ if (syncState->analysisModule->analyzeExchange == NULL)
{
destroyPacket(packet);
return;
reversedConnectionKey->source= connectionKey->dest;
reversedConnectionKey->dest= connectionKey->source;
}
+
+
+/*
+ * Create and open files used to store message points to genereate
+ * graphs. Allocate and populate array to store file pointers.
+ *
+ * Args:
+ * syncState: container for synchronization data
+ */
+static void openGraphDataFiles(SyncState* const syncState)
+{
+ unsigned int i, j;
+ int retval;
+ char* cwd;
+ char name[29];
+ MatchingDataTCP* matchingData;
+
+ matchingData= (MatchingDataTCP*) syncState->matchingData;
+
+ cwd= changeToGraphDir(syncState->graphs);
+
+ matchingData->messagePoints= malloc(syncState->traceNb * sizeof(FILE**));
+ for (i= 0; i < syncState->traceNb; i++)
+ {
+ matchingData->messagePoints[i]= malloc(syncState->traceNb *
+ sizeof(FILE*));
+ for (j= 0; j < syncState->traceNb; j++)
+ {
+ if (i != j)
+ {
+ retval= snprintf(name, sizeof(name),
+ "matching_tcp-%03u_to_%03u.data", j, i);
+ if (retval > sizeof(name) - 1)
+ {
+ name[sizeof(name) - 1]= '\0';
+ }
+ if ((matchingData->messagePoints[i][j]= fopen(name, "w")) ==
+ NULL)
+ {
+ g_error(strerror(errno));
+ }
+ }
+ }
+ }
+
+ retval= chdir(cwd);
+ if (retval == -1)
+ {
+ g_error(strerror(errno));
+ }
+ free(cwd);
+}
+
+
+/*
+ * Write a message point to a file used to generate graphs
+ *
+ * Args:
+ * stream: FILE*, file pointer where to write the point
+ * packet: message for which to write the point
+ */
+static void writeMessagePoint(FILE* stream, const Packet* const packet)
+{
+ LttCycleCount x, y;
+
+ if (packet->inE->traceNum < packet->outE->traceNum)
+ {
+ // CA is inE->traceNum
+ x= packet->inE->tsc;
+ y= packet->outE->tsc;
+ }
+ else
+ {
+ // CA is outE->traceNum
+ x= packet->outE->tsc;
+ y= packet->inE->tsc;
+ }
+
+ fprintf(stream, "%20llu %20llu\n", x, y);
+}
+
+
+/*
+ * Close files used to store convex hull points to genereate graphs.
+ * Deallocate array to store file pointers.
+ *
+ * Args:
+ * syncState: container for synchronization data
+ */
+static void closeGraphDataFiles(SyncState* const syncState)
+{
+ unsigned int i, j;
+ MatchingDataTCP* matchingData;
+ int retval;
+
+ matchingData= (MatchingDataTCP*) syncState->matchingData;
+
+ if (matchingData->messagePoints == NULL)
+ {
+ return;
+ }
+
+ for (i= 0; i < syncState->traceNb; i++)
+ {
+ for (j= 0; j < syncState->traceNb; j++)
+ {
+ if (i != j)
+ {
+ retval= fclose(matchingData->messagePoints[i][j]);
+ if (retval != 0)
+ {
+ g_error(strerror(errno));
+ }
+ }
+ }
+ free(matchingData->messagePoints[i]);
+ }
+ free(matchingData->messagePoints);
+
+ matchingData->messagePoints= NULL;
+}
+
+
+/*
+ * Write the matching-specific graph lines in the gnuplot script. Call the
+ * downstream module's graph function.
+ *
+ * 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 writeMatchingGraphsPlotsTCP(FILE* stream, SyncState* const
+ syncState, const unsigned int i, const unsigned int j)
+{
+ fprintf(stream,
+ "\t\"matching_tcp-%1$03d_to_%2$03d.data\" "
+ "title \"Sent messages\" with points linetype 4 "
+ "linecolor rgb \"#98fc66\" pointtype 9 pointsize 2, \\\n"
+ "\t\"matching_tcp-%2$03d_to_%1$03d.data\" "
+ "title \"Received messages\" with points linetype 4 "
+ "linecolor rgb \"#6699cc\" pointtype 11 pointsize 2, \\\n", i, j);
+
+ if (syncState->analysisModule->writeAnalysisGraphsPlots != NULL)
+ {
+ syncState->analysisModule->writeAnalysisGraphsPlots(stream, syncState,
+ i, j);
+ }
+}
+
+
+/*
+ * Write the matching-specific options in the gnuplot script (none). Call the
+ * downstream module's options function.
+ *
+ * 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 writeMatchingGraphsOptionsTCP(FILE* stream, SyncState* const
+ syncState, const unsigned int i, const unsigned int j)
+{
+ if (syncState->analysisModule->writeAnalysisGraphsOptions != NULL)
+ {
+ syncState->analysisModule->writeAnalysisGraphsOptions(stream,
+ syncState, i, j);
+ }
+}
projects / lttv.git / blobdiff