Mercurial > hg > graal-compiler
view src/share/vm/shark/sharkRuntime.hpp @ 2149:7e37af9d69ef
7011379: G1: overly long concurrent marking cycles
Summary: This changeset introduces filtering of SATB buffers at the point when they are about to be enqueued. If this filtering clears enough entries on each buffer, the buffer can then be re-used and not enqueued. This cuts down the number of SATB buffers that need to be processed by the concurrent marking threads.
Reviewed-by: johnc, ysr
author | tonyp |
---|---|
date | Wed, 19 Jan 2011 09:35:17 -0500 |
parents | f95d63e2154a |
children | da91efe96a93 |
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/* * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright 2008, 2009, 2010 Red Hat, Inc. * 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. * */ #ifndef SHARE_VM_SHARK_SHARKRUNTIME_HPP #define SHARE_VM_SHARK_SHARKRUNTIME_HPP #include "memory/allocation.hpp" #include "oops/klassOop.hpp" #include "runtime/thread.hpp" #include "shark/llvmHeaders.hpp" #include "shark/llvmValue.hpp" class SharkRuntime : public AllStatic { // VM calls public: static int find_exception_handler(JavaThread* thread, int* indexes, int num_indexes); static void monitorenter(JavaThread* thread, BasicObjectLock* lock); static void monitorexit(JavaThread* thread, BasicObjectLock* lock); static void new_instance(JavaThread* thread, int index); static void newarray(JavaThread* thread, BasicType type, int size); static void anewarray(JavaThread* thread, int index, int size); static void multianewarray(JavaThread* thread, int index, int ndims, int* dims); static void register_finalizer(JavaThread* thread, oop object); static void throw_ArithmeticException(JavaThread* thread, const char* file, int line); static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, const char* file, int line, int index); static void throw_ClassCastException(JavaThread* thread, const char* file, int line); static void throw_NullPointerException(JavaThread* thread, const char* file, int line); // Helpers for VM calls private: static const SharkFrame* last_frame(JavaThread *thread) { return thread->last_frame().zero_sharkframe(); } static methodOop method(JavaThread *thread) { return last_frame(thread)->method(); } static address bcp(JavaThread *thread, int bci) { return method(thread)->code_base() + bci; } static int two_byte_index(JavaThread *thread, int bci) { return Bytes::get_Java_u2(bcp(thread, bci) + 1); } static intptr_t tos_at(JavaThread *thread, int offset) { return *(thread->zero_stack()->sp() + offset); } // Non-VM calls public: static void dump(const char *name, intptr_t value); static bool is_subtype_of(klassOop check_klass, klassOop object_klass); static int uncommon_trap(JavaThread* thread, int trap_request); }; #endif // SHARE_VM_SHARK_SHARKRUNTIME_HPP