Mercurial > hg > graal-compiler
view agent/src/share/classes/sun/jvm/hotspot/tools/StackTrace.java @ 2468:6c97c830fb6f
Merge
author | jrose |
---|---|
date | Sat, 09 Apr 2011 21:16:12 -0700 |
parents | c18cbe5936b8 |
children | da91efe96a93 |
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/* * Copyright (c) 2002, 2006, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package sun.jvm.hotspot.tools; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.oops.*; /** Traverses and prints the stack traces for all Java threads in the * remote VM */ public class StackTrace extends Tool { // in non-verbose mode pc, sp and methodOop are not printed public StackTrace(boolean v, boolean concurrentLocks) { this.verbose = v; this.concurrentLocks = concurrentLocks; } public StackTrace() { this(true, true); } public void run() { run(System.out); } public void run(java.io.PrintStream tty) { // Ready to go with the database... try { // print deadlock information before stack trace DeadlockDetector.print(tty); } catch (Exception exp) { exp.printStackTrace(); tty.println("Can't print deadlocks:" + exp.getMessage()); } try { ConcurrentLocksPrinter concLocksPrinter = null; if (concurrentLocks) { concLocksPrinter = new ConcurrentLocksPrinter(); } Threads threads = VM.getVM().getThreads(); int i = 1; for (JavaThread cur = threads.first(); cur != null; cur = cur.next(), i++) { if (cur.isJavaThread()) { Address sp = cur.getLastJavaSP(); tty.print("Thread "); cur.printThreadIDOn(tty); tty.print(": (state = " + cur.getThreadState()); if (verbose) { tty.println(", current Java SP = " + sp); } tty.println(')'); try { for (JavaVFrame vf = cur.getLastJavaVFrameDbg(); vf != null; vf = vf.javaSender()) { Method method = vf.getMethod(); tty.print(" - " + method.externalNameAndSignature() + " @bci=" + vf.getBCI()); int lineNumber = method.getLineNumberFromBCI(vf.getBCI()); if (lineNumber != -1) { tty.print(", line=" + lineNumber); } if (verbose) { Address pc = vf.getFrame().getPC(); if (pc != null) { tty.print(", pc=" + pc); } tty.print(", methodOop=" + method.getHandle()); } if (vf.isCompiledFrame()) { tty.print(" (Compiled frame"); if (vf.isDeoptimized()) { tty.print(" [deoptimized]"); } } if (vf.isInterpretedFrame()) { tty.print(" (Interpreted frame"); } if (vf.mayBeImpreciseDbg()) { tty.print("; information may be imprecise"); } tty.println(")"); } } catch (Exception e) { tty.println("Error occurred during stack walking:"); e.printStackTrace(); } tty.println(); if (concurrentLocks) { concLocksPrinter.print(cur, tty); } tty.println(); } } } catch (AddressException e) { System.err.println("Error accessing address 0x" + Long.toHexString(e.getAddress())); e.printStackTrace(); } } public static void main(String[] args) { StackTrace st = new StackTrace(); st.start(args); st.stop(); } private boolean verbose; private boolean concurrentLocks; }