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111 lines
5.5 KiB
111 lines
5.5 KiB
// Threaddump_p.java
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// -----------------------
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// part of YACY
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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//
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// This File is contributed by Alexander Fieger
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import java.io.File;
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import java.util.Date;
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import java.util.Map;
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import java.util.ArrayList;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.kelondro.logging.ThreadDumpGenerator;
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import net.yacy.kelondro.util.MemoryControl;
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import de.anomic.search.Switchboard;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.yacy.yacyBuildProperties;
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public class Threaddump_p {
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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serverObjects prop = new serverObjects();
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Switchboard sb = (Switchboard) env;
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final StringBuilder buffer = new StringBuilder(1000);
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final boolean plain = post != null && post.get("plain", "false").equals("true");
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final int sleep = (post == null) ? 0 : post.getInt("sleep", 0); // a sleep before creation of a thread dump can be used for profiling
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if (sleep > 0) try {Thread.sleep(sleep);} catch (final InterruptedException e) {}
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prop.put("dump", "1");
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// Thread dump
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final Date dt = new Date();
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final String versionstring = yacyBuildProperties.getVersion() + "/" + yacyBuildProperties.getSVNRevision();
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Runtime runtime = Runtime.getRuntime();
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ThreadDumpGenerator.bufferappend(buffer, plain, "************* Start Thread Dump " + dt + " *******************");
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ThreadDumpGenerator.bufferappend(buffer, plain, "");
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ThreadDumpGenerator.bufferappend(buffer, plain, "YaCy Version: " + versionstring);
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ThreadDumpGenerator.bufferappend(buffer, plain, "Assigned Memory = " + (runtime.maxMemory()));
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ThreadDumpGenerator.bufferappend(buffer, plain, "Used Memory = " + (runtime.totalMemory() - runtime.freeMemory()));
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ThreadDumpGenerator.bufferappend(buffer, plain, "Available Memory = " + (runtime.maxMemory() - runtime.totalMemory() + runtime.freeMemory()));
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ThreadDumpGenerator.bufferappend(buffer, plain, "");
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ThreadDumpGenerator.bufferappend(buffer, plain, "");
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int multipleCount = 100;
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File appPath = sb.getAppPath();
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if (post != null && post.containsKey("multipleThreaddump")) {
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multipleCount = post.getInt("count", multipleCount);
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final ArrayList<Map<Thread,StackTraceElement[]>> traces = new ArrayList<Map<Thread,StackTraceElement[]>>();
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for (int i = 0; i < multipleCount; i++) {
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traces.add(Thread.getAllStackTraces());
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if (MemoryControl.available() < 20 * 1024 * 1024) break;
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}
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ThreadDumpGenerator.appendStackTraceStats(appPath, buffer, traces, plain, null);
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/*
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ThreadDumpGenerator.appendStackTraceStats(appPath, buffer, traces, plain, Thread.State.BLOCKED);
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ThreadDumpGenerator.appendStackTraceStats(appPath, buffer, traces, plain, Thread.State.RUNNABLE);
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ThreadDumpGenerator.appendStackTraceStats(appPath, buffer, traces, plain, Thread.State.TIMED_WAITING);
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ThreadDumpGenerator.appendStackTraceStats(appPath, buffer, traces, plain, Thread.State.WAITING);
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ThreadDumpGenerator.appendStackTraceStats(appPath, buffer, traces, plain, Thread.State.NEW);
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ThreadDumpGenerator.appendStackTraceStats(appPath, buffer, traces, plain, Thread.State.TERMINATED);
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*/
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} else {
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// generate a single thread dump
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final Map<Thread,StackTraceElement[]> stackTraces = Thread.getAllStackTraces();
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ThreadDumpGenerator.appendStackTraces(appPath, buffer, stackTraces, plain, Thread.State.BLOCKED);
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ThreadDumpGenerator.appendStackTraces(appPath, buffer, stackTraces, plain, Thread.State.RUNNABLE);
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ThreadDumpGenerator.appendStackTraces(appPath, buffer, stackTraces, plain, Thread.State.TIMED_WAITING);
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ThreadDumpGenerator.appendStackTraces(appPath, buffer, stackTraces, plain, Thread.State.WAITING);
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ThreadDumpGenerator.appendStackTraces(appPath, buffer, stackTraces, plain, Thread.State.NEW);
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ThreadDumpGenerator.appendStackTraces(appPath, buffer, stackTraces, plain, Thread.State.TERMINATED);
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}
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ThreadDumpGenerator.bufferappend(buffer, plain, "************* End Thread Dump " + dt + " *******************");
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prop.put("plain_count", multipleCount);
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prop.put("plain_content", buffer.toString());
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prop.put("plain", (plain) ? 1 : 0);
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return prop; // return from serverObjects respond()
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}
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}
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