| /* |
| * Copyright (c) 2002, 2013, 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 Method* 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 StackTrace(JVMDebugger d) { |
| super(d); |
| } |
| |
| public StackTrace(JVMDebugger d, boolean v, boolean concurrentLocks) { |
| super(d); |
| this.verbose = v; |
| this.concurrentLocks = concurrentLocks; |
| } |
| |
| 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(", Method*=" + method.getAddress()); |
| } |
| |
| 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.execute(args); |
| } |
| |
| private boolean verbose; |
| private boolean concurrentLocks; |
| } |