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6830717: replay of compilations would help with debugging

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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
This commit is contained in:
Yumin Qi 2012-11-12 14:03:53 -08:00 • committed by Yumin Qi
parent 8735609a8c
commit f712e12f98
54 changed files with 2160 additions and 78 deletions
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5
hotspot/src/share/vm/interpreter/invocationCounter.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2012, 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
@ -40,6 +40,7 @@
class InvocationCounter VALUE_OBJ_CLASS_SPEC {
friend class VMStructs;
friend class ciReplay;
private: // bit no: |31 3| 2 | 1 0 |
unsigned int _counter; // format: [count|carry|state]
@ -85,6 +86,8 @@ class InvocationCounter VALUE_OBJ_CLASS_SPEC {
void set_carry(); // set the sticky carry bit
void set_carry_flag() { _counter |= carry_mask; }
int raw_counter() { return _counter; }
// Accessors
State state() const { return (State)(_counter & state_mask); }
bool carry() const { return (_counter & carry_mask) != 0; }