Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/tools/StackTrace.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/tools/StackTrace.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,136 @@ +/* + * Copyright 2002-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.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; +}