Change synchronization code license to LGPLv2.1

[lttv.git] / lttv / lttv / sync / sync_chain_lttv.c

diff --git a/lttv/lttv/sync/sync_chain_lttv.c b/lttv/lttv/sync/sync_chain_lttv.c
index f2389bd8f54405a001d36c3aeb057a92f10f2861..c0693b7e50d447c2b5d98f61b2e00a25801906a5 100644 (file)
--- a/lttv/lttv/sync/sync_chain_lttv.c
+++ b/lttv/lttv/sync/sync_chain_lttv.c
@@ -1,19 +1,18 @@
 /* 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/>.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -33,6 +32,15 @@
 #include <lttv/module.h>
 #include <lttv/option.h>
 
+
+#include "event_processing_lttng_standard.h"
+#include "event_processing_lttng_null.h"
+#include "event_matching_tcp.h"
+#include "event_matching_broadcast.h"
+#include "event_matching_distributor.h"
+#include "event_analysis_chull.h"
+#include "event_analysis_linreg.h"
+#include "event_analysis_eval.h"
 #include "sync_chain.h"
 #include "sync_chain_lttv.h"
 
@@ -80,13 +88,7 @@ static ModuleOption optionSyncGraphsDir= {
 /*
  * Module init function
  *
- * This function is declared to be the module initialization function. Event
- * modules are registered with a "constructor (102)" attribute except one in
- * each class (processing, matching, analysis) which is chosen to be the
- * default and which is registered with a "constructor (101)" attribute.
- * Constructors with no priority are called after constructors with
- * priorities. The result is that the list of event modules is known when this
- * function is executed.
+ * This function is declared to be the module initialization function.
  */
 static void init()
 {
@@ -94,6 +96,24 @@ static void init()
 
        g_debug("Sync init");
 
+       /*
+        * Initialize event modules
+        * Call the "constructor" or initialization function of each event module
+        * so it can register itself. This must be done before elements in
+        * processingModules, matchingModules, analysisModules or moduleOptions
+        * are accessed.
+        */
+       registerProcessingLTTVStandard();
+       registerProcessingLTTVNull();
+
+       registerMatchingTCP();
+       registerMatchingBroadcast();
+       registerMatchingDistributor();
+
+       registerAnalysisCHull();
+       registerAnalysisLinReg();
+       registerAnalysisEval();
+
        g_assert(g_queue_get_length(&analysisModules) > 0);
        optionSyncAnalysis.arg= ((AnalysisModule*)
                g_queue_peek_head(&analysisModules))->name;
@@ -147,8 +167,11 @@ static void destroy()
  *
  * Args:
  *   traceSetContext: traceset
+ *
+ * Returns:
+ *   false if synchronization was not performed, true otherwise
  */
-void syncTraceset(LttvTracesetContext* const traceSetContext)
+bool syncTraceset(LttvTracesetContext* const traceSetContext)
 {
        SyncState* syncState;
        struct timeval startTime, endTime;
@@ -160,7 +183,7 @@ void syncTraceset(LttvTracesetContext* const traceSetContext)
        if (!optionSync.present)
        {
                g_debug("Not synchronizing traceset because option is disabled");
-               return;
+               return false;
        }
 
        if (optionSyncStats.present)
@@ -181,7 +204,7 @@ void syncTraceset(LttvTracesetContext* const traceSetContext)
                syncState->stats= false;
        }
 
-       if (optionSyncGraphs.present)
+       if (!optionSyncNull.present && optionSyncGraphs.present)
        {
                // Create the graph directory right away in case the module initialization
                // functions have something to write in it.
@@ -242,7 +265,7 @@ void syncTraceset(LttvTracesetContext* const traceSetContext)
        syncState->processingModule->finalizeProcessing(syncState);
 
        // Write graphs file
-       if (optionSyncGraphs.present)
+       if (!optionSyncNull.present && optionSyncGraphs.present)
        {
                writeGraphsScript(syncState);
 
@@ -252,21 +275,10 @@ void syncTraceset(LttvTracesetContext* const traceSetContext)
                }
        }
 
-       if (syncState->processingModule->printProcessingStats != NULL)
-       {
-               syncState->processingModule->printProcessingStats(syncState);
-       }
-       if (syncState->matchingModule->printMatchingStats != NULL)
+       if (!optionSyncNull.present && optionSyncStats.present)
        {
-               syncState->matchingModule->printMatchingStats(syncState);
-       }
-       if (syncState->analysisModule->printAnalysisStats != NULL)
-       {
-               syncState->analysisModule->printAnalysisStats(syncState);
-       }
+               printStats(syncState);
 
-       if (optionSyncStats.present)
-       {
                printf("Resulting synchronization factors:\n");
                for (i= 0; i < syncState->traceNb; i++)
                {
@@ -310,6 +322,8 @@ void syncTraceset(LttvTracesetContext* const traceSetContext)
                printf("\tsystem time: %ld.%06ld\n", endUsage.ru_stime.tv_sec,
                        endUsage.ru_stime.tv_usec);
        }
+
+       return true;
 }