prof_gc.cpp Source File

00001 /*
00002  *                         Sun Public License Notice
00003  *
00004  * The contents of this file are subject to the Sun Public License
00005  * Version 1.0 (the "License"); you may not use this file except
00006  * in compliance with the License. A copy of the License is available
00007  * at http://www.sun.com/
00008  *
00009  * The Original Code is the Java Profiler module.  The Initial Developers
00010  * of the Original Code are Jan Stola, Pavel Vacha, Michal Pise, Petr Luner,
00011  * Lukas Petru and Marek Przeczek.
00012  *
00013  * Portions created by Jan Stola are Copyright (C) 2000-2001.
00014  * All Rights Reserved.
00015  *
00016  * Portions created by Pavel Vacha are Copyright (C) 2000-2001.
00017  * All Rights Reserved.
00018  *
00019  * Portions created by Michal Pise are Copyright (C) 2000-2001.
00020  * All Rights Reserved.
00021  *
00022  * Portions created by Petr Luner are Copyright (C) 2000-2001.
00023  * All Rights Reserved.
00024  *
00025  * Portions created by Lukas Petru are Copyright (C) 2000-2001.
00026  * All Rights Reserved.
00027  *
00028  * Portions created by Marek Przeczek are Copyright (C) 2000-2001.
00029  * All Rights Reserved.
00030  *
00031  * Contributors: Jan Stola, Pavel Vacha, Michal Pise, Petr Luner,
00032  *               Lukas Petru and Marek Przeczek.
00033  */
00034 
00035 #include "../prof/prof.h"
00036 #include "../gc/gc.h"
00037 
00038 void Prof::event_gcStart( JVMPI_Event* event) {
00039 
00040         communLock.wait();
00041         dataLock.wait();
00042 
00043         static int firstTime = 1;
00044         if( firstTime) {
00045 
00046                 jvmpiInterface->EnableEvent( JVMPI_EVENT_GC_FINISH, NULL);
00047 
00048                 jvmpiInterface->EnableEvent( JVMPI_EVENT_OBJECT_FREE, NULL);
00049                 jvmpiInterface->EnableEvent( JVMPI_EVENT_OBJECT_MOVE, NULL);
00050 
00051                 jvmpiInterface->EnableEvent( JVMPI_EVENT_ARENA_DELETE, NULL);
00052 
00053                 firstTime = 0;
00054         }
00055 
00056         GC* gc = new GC;
00057         gc->startTime = time( NULL);
00058 
00059         gcStat.add( gc);
00060 }
00061 
00062 void Prof::event_gcFinish( JVMPI_Event* event) {
00063 
00064         GC* gc = gcStat.first();
00065 
00066         gc->endTime = time( NULL);
00067 
00068         gc->usedObjects      = event->u.gc_info.used_objects;
00069         gc->usedObjectSpace  = event->u.gc_info.used_object_space;
00070         gc->totalObjectSpace = event->u.gc_info.total_object_space;
00071 
00072         dataLock.release();
00073         communLock.release();
00074 }