#include <lttv/option.h>
#include "sync_chain.h"
-
-
-#ifndef g_info
-#define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format)
-#endif
+#include "sync_chain_lttv.h"
static void init();
static void gfAddModuleOption(gpointer data, gpointer user_data);
static void gfRemoveModuleOption(gpointer data, gpointer user_data);
-GQueue processingModules= G_QUEUE_INIT;
-GQueue matchingModules= G_QUEUE_INIT;
-GQueue analysisModules= G_QUEUE_INIT;
-GQueue moduleOptions= G_QUEUE_INIT;
-
static char* argHelpNone= "none";
static ModuleOption optionSync= {
.longName= "sync",
{
int retval;
- g_debug("\t\t\tXXXX sync init\n");
+ g_debug("Sync init");
g_assert(g_queue_get_length(&analysisModules) > 0);
optionSyncAnalysis.arg = ((AnalysisModule*)
*/
static void destroy()
{
- g_debug("\t\t\tXXXX sync destroy\n");
+ g_debug("Sync destroy");
g_queue_foreach(&moduleOptions, &gfRemoveModuleOption, NULL);
g_string_free(analysisModulesNames, TRUE);
struct timeval startTime, endTime;
struct rusage startUsage, endUsage;
GList* result;
- FILE* graphsStream;
+ unsigned int i;
int retval;
if (!optionSync.present)
if (optionSyncGraphs.present)
{
- syncState->graphs= optionSyncGraphsDir.arg;
+ // Create the graph directory right away in case the module initialization
+ // functions have something to write in it.
+ syncState->graphsDir= optionSyncGraphsDir.arg;
+ syncState->graphsStream= createGraphsDir(syncState->graphsDir);
}
else
{
- syncState->graphs= NULL;
+ syncState->graphsStream= NULL;
+ syncState->graphsDir= NULL;
}
- // Identify and initialize processing module
+ // Identify and initialize modules
syncState->processingData= NULL;
if (optionSyncNull.present)
{
g_assert(result != NULL);
syncState->processingModule= (ProcessingModule*) result->data;
- graphsStream= NULL;
- if (syncState->graphs &&
- syncState->processingModule->writeProcessingGraphsPlots != NULL)
- {
- char* cwd;
- int graphsFp;
-
- // Create the graph directory right away in case the module initialization
- // functions have something to write in it.
- cwd= changeToGraphDir(syncState->graphs);
-
- if ((graphsFp= open("graphs.gnu", O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR |
- S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH
- | S_IWOTH | S_IXOTH)) == -1)
- {
- g_error(strerror(errno));
- }
- if ((graphsStream= fdopen(graphsFp, "w")) == NULL)
- {
- g_error(strerror(errno));
- }
-
- retval= chdir(cwd);
- if (retval == -1)
- {
- g_error(strerror(errno));
- }
- free(cwd);
- }
-
- // Identify matching and analysis modules
+ syncState->matchingData= NULL;
result= g_queue_find_custom(&matchingModules, "TCP", &gcfCompareMatching);
g_assert(result != NULL);
syncState->matchingModule= (MatchingModule*) result->data;
+ syncState->analysisData= NULL;
result= g_queue_find_custom(&analysisModules, optionSyncAnalysis.arg,
&gcfCompareAnalysis);
if (result != NULL)
g_error("Analysis module '%s' not found", optionSyncAnalysis.arg);
}
- syncState->processingModule->initProcessing(syncState, traceSetContext);
-
- syncState->matchingData= NULL;
- syncState->analysisData= NULL;
-
if (!optionSyncNull.present)
{
- syncState->matchingModule->initMatching(syncState);
syncState->analysisModule->initAnalysis(syncState);
+ syncState->matchingModule->initMatching(syncState);
}
+ syncState->processingModule->initProcessing(syncState, traceSetContext);
// Process traceset
lttv_process_traceset_seek_time(traceSetContext, ltt_time_zero);
syncState->processingModule->finalizeProcessing(syncState);
// Write graphs file
- if (graphsStream != NULL)
+ if (optionSyncGraphs.present)
{
- unsigned int i, j;
+ writeGraphsScript(syncState);
- fprintf(graphsStream,
- "#!/usr/bin/gnuplot\n\n"
- "set terminal postscript eps color size 8in,6in\n");
-
- // Cover the upper triangular matrix, i is the reference node.
- for (i= 0; i < syncState->traceNb; i++)
- {
- for (j= i + 1; j < syncState->traceNb; j++)
- {
- long pos;
-
- fprintf(graphsStream,
- "\nset output \"%03d-%03d.eps\"\n"
- "plot \\\n", i, j);
-
- syncState->processingModule->writeProcessingGraphsPlots(graphsStream,
- syncState, i, j);
-
- // Remove the ", \\\n" from the last graph plot line
- fflush(graphsStream);
- pos= ftell(graphsStream);
- if (ftruncate(fileno(graphsStream), pos - 4) == -1)
- {
- g_error(strerror(errno));
- }
- if (fseek(graphsStream, 0, SEEK_END) == -1)
- {
- g_error(strerror(errno));
- }
-
- fprintf(graphsStream,
- "\nset output \"%1$03d-%2$03d.eps\"\n"
- "set key inside right bottom\n"
- "set title \"\"\n"
- "set xlabel \"Clock %1$u\"\n"
- "set xtics nomirror\n"
- "set ylabel \"Clock %2$u\"\n"
- "set ytics nomirror\n", i, j);
-
- syncState->processingModule->writeProcessingGraphsOptions(graphsStream,
- syncState, i, j);
-
- fprintf(graphsStream,
- "replot\n");
- }
- }
-
- if (fclose(graphsStream) != 0)
+ if (fclose(syncState->graphsStream) != 0)
{
g_error(strerror(errno));
}
{
syncState->processingModule->printProcessingStats(syncState);
}
+ if (syncState->matchingModule->printMatchingStats != NULL)
+ {
+ syncState->matchingModule->printMatchingStats(syncState);
+ }
+ if (syncState->analysisModule->printAnalysisStats != NULL)
+ {
+ syncState->analysisModule->printAnalysisStats(syncState);
+ }
+
+ if (optionSyncStats.present)
+ {
+ printf("Resulting synchronization factors:\n");
+ for (i= 0; i < syncState->traceNb; i++)
+ {
+ LttTrace* t;
+
+ t= 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);
+ }
+ }
syncState->processingModule->destroyProcessing(syncState);
if (syncState->matchingModule != NULL)
}
-/*
- * Calculate the elapsed time between two timeval values
- *
- * Args:
- * end: end time, result is also stored in this structure
- * start: start time
- */
-void timeDiff(struct timeval* const end, const struct timeval* const start)
-{
- if (end->tv_usec >= start->tv_usec)
- {
- end->tv_sec-= start->tv_sec;
- end->tv_usec-= start->tv_usec;
- }
- else
- {
- end->tv_sec= end->tv_sec - start->tv_sec - 1;
- end->tv_usec= end->tv_usec - start->tv_usec + 1e6;
- }
-}
-
-
-/*
- * A GCompareFunc for g_slist_find_custom()
- *
- * Args:
- * a: ProcessingModule*, element's data
- * b: char*, user data to compare against
- *
- * Returns:
- * 0 if the processing module a's name is b
- */
-gint gcfCompareProcessing(gconstpointer a, gconstpointer b)
-{
- const ProcessingModule* processingModule;
- const char* name;
-
- processingModule= (const ProcessingModule*) a;
- name= (const char*) b;
-
- return strncmp(processingModule->name, name,
- strlen(processingModule->name) + 1);
-}
-
-
-/*
- * A GCompareFunc for g_slist_find_custom()
- *
- * Args:
- * a: MatchingModule*, element's data
- * b: char*, user data to compare against
- *
- * Returns:
- * 0 if the matching module a's name is b
- */
-gint gcfCompareMatching(gconstpointer a, gconstpointer b)
-{
- const MatchingModule* matchingModule;
- const char* name;
-
- matchingModule= (const MatchingModule*) a;
- name= (const char*) b;
-
- return strncmp(matchingModule->name, name, strlen(matchingModule->name) +
- 1);
-}
-
-
-/*
- * A GCompareFunc for g_slist_find_custom()
- *
- * Args:
- * a: AnalysisModule*, element's data
- * b: char*, user data to compare against
- *
- * Returns:
- * 0 if the analysis module a's name is b
- */
-gint gcfCompareAnalysis(gconstpointer a, gconstpointer b)
-{
- const AnalysisModule* analysisModule;
- const char* name;
-
- analysisModule= (const AnalysisModule*) a;
- name= (const char*) b;
-
- return strncmp(analysisModule->name, name, strlen(analysisModule->name) +
- 1);
-}
-
-
/*
* A GFunc for g_queue_foreach()
*
}
-/*
- * Change to the directory used to hold graphs. Create it if necessary.
- *
- * Args:
- * graph: name of directory
- *
- * Returns:
- * The current working directory before the execution of the function. The
- * string must be free'd by the caller.
- */
-char* changeToGraphDir(const char* const graphs)
-{
- int retval;
- char* cwd;
-
- cwd= getcwd(NULL, 0);
- if (cwd == NULL)
- {
- g_error(strerror(errno));
- }
- while ((retval= chdir(graphs)) != 0)
- {
- if (errno == ENOENT)
- {
- retval= mkdir(graphs, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP |
- S_IWGRP | S_IXGRP | S_IROTH | S_IWOTH | S_IXOTH);
- if (retval != 0)
- {
- g_error(strerror(errno));
- }
- }
- else
- {
- g_error(strerror(errno));
- }
- }
-
- return cwd;
-}
-
-
/*
* A GFunc for g_queue_foreach()
*
projects / lttv.git / blobdiff