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8227745: Enable Escape Analysis for Better Performance in the Presence of JVMTI Agents

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8233915: JVMTI FollowReferences: Java Heap Leak not found because of C2 Scalar Replacement

Reviewed-by: mdoerr, goetz, sspitsyn, kvn
This commit is contained in:
Richard Reingruber 2020-10-20 15:31:55 +00:00
parent f167a71f1d
commit 40f847e2fb
53 changed files with 5744 additions and 218 deletions
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10
src/hotspot/share/compiler/compileBroker.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999, 2020, 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
@ -228,8 +228,14 @@ class CompileBroker: AllStatic {
static volatile int _print_compilation_warning;
enum ThreadType {
compiler_t,
sweeper_t,
deoptimizer_t
};
static Handle create_thread_oop(const char* name, TRAPS);
static JavaThread* make_thread(jobject thread_oop, CompileQueue* queue, AbstractCompiler* comp, Thread* THREAD);
static JavaThread* make_thread(ThreadType type, jobject thread_oop, CompileQueue* queue, AbstractCompiler* comp, Thread* THREAD);
static void init_compiler_sweeper_threads();
static void possibly_add_compiler_threads(Thread* THREAD);
static bool compilation_is_prohibited(const methodHandle& method, int osr_bci, int comp_level, bool excluded);