001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: * The Original Software is NetBeans. The Initial Developer of the Original
026: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
027: * Microsystems, Inc. All Rights Reserved.
028: *
029: * If you wish your version of this file to be governed by only the CDDL
030: * or only the GPL Version 2, indicate your decision by adding
031: * "[Contributor] elects to include this software in this distribution
032: * under the [CDDL or GPL Version 2] license." If you do not indicate a
033: * single choice of license, a recipient has the option to distribute
034: * your version of this file under either the CDDL, the GPL Version 2 or
035: * to extend the choice of license to its licensees as provided above.
036: * However, if you add GPL Version 2 code and therefore, elected the GPL
037: * Version 2 license, then the option applies only if the new code is
038: * made subject to such option by the copyright holder.
039: */
040:
041: package org.netbeans.lib.profiler.server;
042:
043: import org.netbeans.lib.profiler.global.CommonConstants;
044: import org.netbeans.lib.profiler.global.Platform;
045: import org.netbeans.lib.profiler.global.ProfilingPointServerHandler;
046: import org.netbeans.lib.profiler.server.system.HeapDump;
047: import org.netbeans.lib.profiler.server.system.Timers;
048: import java.io.File;
049:
050: /**
051: * Performs special handling of Take HeapDump profiling points on server side.
052: *
053: * @author Tomas Hurka
054: */
055: public class TakeHeapdumpProfilingPointHandler extends
056: ProfilingPointServerHandler {
057: //~ Static fields/initializers -----------------------------------------------------------------------------------------------
058:
059: private static ProfilingPointServerHandler instance;
060: private static final String TAKEN_HEAPDUMP_PREFIX = "heapdump-"; // NOI18N
061: private static final String HEAPDUMP_EXTENSION = "hprof"; // NOI18N
062:
063: //~ Instance fields ----------------------------------------------------------------------------------------------------------
064:
065: private String heapdumpFilePrefix;
066: private boolean remoteProfiling;
067:
068: //~ Constructors -------------------------------------------------------------------------------------------------------------
069:
070: private TakeHeapdumpProfilingPointHandler(String dir) {
071: heapdumpFilePrefix = dir + File.separatorChar
072: + TAKEN_HEAPDUMP_PREFIX;
073: remoteProfiling = ProfilerServer.getProfilingSessionStatus().remoteProfiling;
074: }
075:
076: //~ Methods ------------------------------------------------------------------------------------------------------------------
077:
078: public static synchronized ProfilingPointServerHandler getInstance(
079: String clientInfo) {
080: if (instance == null) {
081: instance = new TakeHeapdumpProfilingPointHandler(clientInfo);
082: }
083:
084: return instance;
085: }
086:
087: public void profilingPointHit(int id) {
088: int instrType = ProfilerInterface.getCurrentInstrType();
089: boolean cpuProfiling = (instrType == CommonConstants.INSTR_RECURSIVE_FULL)
090: || (instrType == CommonConstants.INSTR_RECURSIVE_SAMPLED);
091:
092: if (cpuProfiling) { // CPU profiling
093: ProfilerRuntimeCPU.suspendCurrentThreadTimer();
094: }
095:
096: long absTimeStamp = Timers.getCurrentTimeInCounts();
097:
098: if (!remoteProfiling) { // take heap dump is supported only for local profiling
099:
100: String heapdumpName = getHeapDumpName(absTimeStamp);
101: String error = HeapDump.takeHeapDump(Platform
102: .getJDKVersionNumber() == Platform.JDK_15,
103: heapdumpName);
104:
105: if (error != null) {
106: System.err.println("Dump to " + heapdumpName
107: + " failed with " + error); // NOI18N
108: }
109: }
110:
111: super .profilingPointHit(id, absTimeStamp);
112:
113: if (cpuProfiling) {
114: ProfilerRuntimeCPU.resumeCurrentThreadTimer();
115: }
116: }
117:
118: private String getHeapDumpName(long time) {
119: return heapdumpFilePrefix + time + "." + HEAPDUMP_EXTENSION;
120: }
121: }
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