ProfilerPlugin.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* javax.servlet.Servlet
* javax.servlet.ServletException
* javax.servlet.http.HttpServletRequest
* javax.servlet.http.HttpServletResponse
* org.apache.felix.scr.annotations.Component
* org.apache.felix.scr.annotations.Property
* org.apache.felix.scr.annotations.Service
* org.apache.felix.webconsole.AbstractWebConsolePlugin
* org.apache.felix.webconsole.WebConsoleUtil
*/
package com.adobe.granite.webconsole.plugins.impl;
import com.adobe.granite.webconsole.plugins.impl.Profiler;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URL;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Service;
import org.apache.felix.webconsole.AbstractWebConsolePlugin;
import org.apache.felix.webconsole.WebConsoleUtil;
@Component
@Service(value={Servlet.class})
public class ProfilerPlugin
extends AbstractWebConsolePlugin {
@Property(name="felix.webconsole.label")
private static final String LABEL = "profiler";
@Property(name="felix.webconsole.title")
private static final String TITLE = "Profiler";
private static final String RESOURCE_PREFIX = "/profiler/";
private static volatile Profiler prof;
public String getLabel() {
return "profiler";
}
public String getTitle() {
return "Profiler";
}
protected void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
this.doGet(req, res);
}
protected void renderContent(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
PrintWriter pw = res.getWriter();
pw.println("<p class=\"intro\">Collects statistics about thread dumps similar to <code>java -agentlib:hprof</code>. Stack traces from runnable threads are then listed sorted by count.</p>");
String action = req.getParameter("action");
if ("start".equals(action) && "POST".equals(req.getMethod())) {
this.start(req, res);
} else if (action == null || "stop".equals(action)) {
this.stop(req, res);
}
}
private void start(HttpServletRequest req, HttpServletResponse res) throws IOException {
String ignoreList = req.getParameter("ignoreList");
String ignoreThreadList = req.getParameter("ignoreThreadList");
String ignorePackageList = req.getParameter("ignorePackageList");
prof = new Profiler();
ProfilerPlugin.prof.interval = Integer.parseInt(req.getParameter("interval"));
ProfilerPlugin.prof.depth = Integer.parseInt(req.getParameter("depth"));
ProfilerPlugin.prof.ignoreThreads = Profiler.arraySplit(ignoreList, ',', true);
ProfilerPlugin.prof.ignoreThreads = Profiler.arraySplit(ignoreThreadList, ',', true);
ProfilerPlugin.prof.ignorePackages = Profiler.arraySplit(ignorePackageList, ',', true);
PrintWriter pw = res.getWriter();
pw.println("<form method=\"post\">");
pw.println("<input type=\"hidden\" name=\"action\" value=\"stop\">");
pw.println("<input type=\"submit\" value=\"Stop\">");
pw.println("</form>");
pw.println("<div>");
pw.println("Sample interval (milliseconds): " + ProfilerPlugin.prof.interval);
pw.println("<br>Stack trace depth: " + ProfilerPlugin.prof.depth);
pw.println("<br>Collecting...</div>");
prof.startCollecting();
pw.flush();
long oldTick = ProfilerPlugin.prof.total;
while (prof != null) {
try {
long newTick = ProfilerPlugin.prof.total;
if (newTick != oldTick) {
pw.println('.');
pw.flush();
oldTick = newTick;
}
Thread.sleep(1000);
}
catch (Exception e) {
pw.println(e.getLocalizedMessage());
}
}
}
private void stop(HttpServletRequest req, HttpServletResponse res) throws IOException {
PrintWriter pw = res.getWriter();
pw.println("<form method=\"post\">");
pw.println("<input class=\"options\" type=\"button\" value=\"Options >\">");
pw.println("<fieldset id=\"options\">");
pw.println("<div><label>Sample interval (ms): <input type=\"number\" name=\"interval\" value=\"5\"></label>");
pw.println("<p class=\"desc\">To increase accuracy, use 1000 or higher when running for many hours.</p></div>");
pw.println("<div><label>Stack trace depth: <input type=\"number\" name=\"depth\" value=\"160\"></label>");
pw.println("<p class=\"desc\">The number of stack trace lines to analyze.</p></div>");
pw.println("<div><label>Ignore threads:");
pw.println("<textarea cols=50 rows=4 name=\"ignoreThreadList\">");
pw.println("java.lang.Object.wait,");
pw.println("java.lang.Thread.dumpThreads,");
pw.println("java.lang.Thread.getThreads,");
pw.println("java.lang.Thread.sleep,");
pw.println("java.lang.UNIXProcess.waitForProcessExit,");
pw.println("java.net.PlainSocketImpl.accept,");
pw.println("java.net.PlainSocketImpl.socketAccept,");
pw.println("java.net.SocketInputStream.socketRead,");
pw.println("java.net.SocketOutputStream.socketWrite,");
pw.println("sun.awt.windows.WToolkit.eventLoop,");
pw.println("sun.misc.Unsafe.park,");
pw.println("EDU.oswego,");
pw.println("java.lang.Object.$$YJP$$wait,");
pw.println("java.lang.Thread.$$YJP$$sleep,");
pw.println("sun.misc.Unsafe.$$YJP$$park,");
pw.println("java.net.PlainSocketImpl.$$YJP$$socketAccept,");
pw.println("java.net.SocketInputStream.$$YJP$$socketRead,");
pw.println("java.net.PlainSocketImpl.$$YJP$$accept,");
pw.println("java.lang.Thread.$$YJP$$dumpThreads,");
pw.println("</textarea></label>");
pw.println("<p class=\"desc\">Threads where the first line start with one of these prefixes are ignored.</p></div>");
pw.println("<div><label>Ignore lines:");
pw.println("<textarea cols=50 rows=2 name=\"ignoreList\">");
pw.println("org.apache.commons,");
pw.println("org.apache.tika.parser.txt.Charset,");
pw.println("EDU.oswego,");
pw.println("</textarea></label>");
pw.println("<p class=\"desc\">Lines that start one of these prefixes are not included in a stack trace.</p></div>");
pw.println("<div><label>Ignore packages:");
pw.println("<textarea cols=50 rows=2 name=\"ignorePackageList\">");
pw.println("java,");
pw.println("sun,");
pw.println("com.sun.,");
pw.println("EDU,");
pw.println("org.apache.jsp.,");
pw.println("org.apache.commons.,");
pw.println("org.eclipse.jdt,");
pw.println("org.json.,");
pw.println("org.kxml2.,");
pw.println("com.apple.,");
pw.println("</textarea></label>");
pw.println("<p class=\"desc\">These packages are ignored in the package summary.</p></div>");
pw.println("</fieldset>");
pw.println("<input type=\"hidden\" name=\"action\" value=\"start\">");
pw.println("<input type=\"submit\" value=\"Start Collecting\">");
pw.println("</form>");
Profiler old = prof;
prof = null;
if (old != null) {
pw.println("<pre>");
pw.println(WebConsoleUtil.escapeHtml((String)old.getTop(20)));
pw.println("</pre>");
pw.flush();
}
pw.println("<script>");
pw.println("$(function() {");
pw.println("$(\"input.options\").click(function() {");
pw.println("$(\"#options\").toggle();");
pw.println("});");
pw.println("});");
pw.println("</script>");
}
protected String[] getCssReferences() {
return new String[]{"/profiler/res/profiler.css"};
}
private URL getResource(String path) {
return path != null && path.startsWith("/profiler/") ? this.getClass().getResource(path.substring("/profiler/".length() - 1)) : null;
}
}