truffle: agent/src/share/classes/sun/jvm/hotspot/ci/ciEnv.java annotate

annotate agent/src/share/classes/sun/jvm/hotspot/ci/ciEnv.java @ 6972:bd7a7ce2e264

6830717: replay of compilations would help with debugging Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method. Reviewed-by: kvn, twisti, sspitsyn Contributed-by: yumin.qi@oracle.com

author	minqi
date	Mon, 12 Nov 2012 14:03:53 -0800
parents	f6f3bb0ee072
children	7b23cb975cf2

rev	line source
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	1 /*
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	4 *
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	7 * published by the Free Software Foundation.
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	8 *
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	13 * accompanied this code).
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	14 *
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	18 *
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	21 * questions.
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	22 *
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	23 */
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	24
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	25 package sun.jvm.hotspot.ci;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	26
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	27 import java.io.PrintStream;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	28 import java.util.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	29 import sun.jvm.hotspot.debugger.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	30 import sun.jvm.hotspot.runtime.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	31 import sun.jvm.hotspot.oops.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	32 import sun.jvm.hotspot.opto.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	33 import sun.jvm.hotspot.compiler.CompileTask;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	34 import sun.jvm.hotspot.prims.JvmtiExport;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	35 import sun.jvm.hotspot.types.*;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	36 import sun.jvm.hotspot.utilities.GrowableArray;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	37
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	38 public class ciEnv extends VMObject {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	39 static {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	40 VM.registerVMInitializedObserver(new Observer() {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	41 public void update(Observable o, Object data) {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	42 initialize(VM.getVM().getTypeDataBase());
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	43 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	44 });
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	45 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	46
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	47 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	48 Type type = db.lookupType("ciEnv");
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	49 dependenciesField = type.getAddressField("_dependencies");
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	50 factoryField = type.getAddressField("_factory");
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	51 compilerDataField = type.getAddressField("_compiler_data");
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	52 taskField = type.getAddressField("_task");
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	53 systemDictionaryModificationCounterField = new CIntField(type.getCIntegerField("_system_dictionary_modification_counter"), 0);
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	54 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	55
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	56 private static AddressField dependenciesField;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	57 private static AddressField factoryField;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	58 private static AddressField compilerDataField;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	59 private static AddressField taskField;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	60 private static CIntField systemDictionaryModificationCounterField;
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	61
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	62 public ciEnv(Address addr) {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	63 super(addr);
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	64 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	65
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	66 public Compile compilerData() {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	67 return new Compile(compilerDataField.getValue(this.getAddress()));
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	68 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	69
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	70 public ciObjectFactory factory() {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	71 return new ciObjectFactory(factoryField.getValue(this.getAddress()));
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	72 }
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	73
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	74 public CompileTask task() {
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	75 return new CompileTask(taskField.getValue(this.getAddress()));
f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	76 }
6972 bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	77
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	78 public void dumpReplayData(PrintStream out) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	79 out.println("JvmtiExport can_access_local_variables " +
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	80 (JvmtiExport.canAccessLocalVariables() ? '1' : '0'));
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	81 out.println("JvmtiExport can_hotswap_or_post_breakpoint " +
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	82 (JvmtiExport.canHotswapOrPostBreakpoint() ? '1' : '0'));
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	83 out.println("JvmtiExport can_post_on_exceptions " +
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	84 (JvmtiExport.canPostOnExceptions() ? '1' : '0'));
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	85
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	86 GrowableArray<ciMetadata> objects = factory().objects();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	87 out.println("# " + objects.length() + " ciObject found");
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	88 for (int i = 0; i < objects.length(); i++) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	89 ciMetadata o = objects.at(i);
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	90 out.println("# ciMetadata" + i + " @ " + o);
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	91 o.dumpReplayData(out);
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	92 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	93 CompileTask task = task();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	94 Method method = task.method();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	95 int entryBci = task.osrBci();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	96 Klass holder = method.getMethodHolder();
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	97 out.println("compile " + holder.getName().asString() + " " +
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	98 OopUtilities.escapeString(method.getName().asString()) + " " +
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	99 method.getSignature().asString() + " " +
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	100 entryBci);
bd7a7ce2e264 6830717: replay of compilations would help with debugging minqi parents: 3939 diff changeset	101 }
3939 f6f3bb0ee072 7088955: add C2 IR support to the SA never parents: diff changeset	102 }

Mercurial > hg > truffle

annotate agent/src/share/classes/sun/jvm/hotspot/ci/ciEnv.java @ 6972:bd7a7ce2e264