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comparison src/share/vm/memory/threadLocalAllocBuffer.hpp @ 2100:b1a2afa37ec4

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7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis Summary: Track allocated bytes in Thread's, update on TLAB retirement and direct allocation in Eden and tenured, add JNI methods for ThreadMXBean. Reviewed-by: coleenp, kvn, dholmes, ysr
author phh
date Fri, 07 Jan 2011 10:42:32 -0500
parents f95d63e2154a
children 1af104d6cf99
comparison
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2097:039eb4201e06 2100:b1a2afa37ec4
1 /* 1 /*
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
110 HeapWord* end() const { return _end; } 110 HeapWord* end() const { return _end; }
111 HeapWord* hard_end() const { return _end + alignment_reserve(); } 111 HeapWord* hard_end() const { return _end + alignment_reserve(); }
112 HeapWord* top() const { return _top; } 112 HeapWord* top() const { return _top; }
113 HeapWord* pf_top() const { return _pf_top; } 113 HeapWord* pf_top() const { return _pf_top; }
114 size_t desired_size() const { return _desired_size; } 114 size_t desired_size() const { return _desired_size; }
115 size_t used() const { return pointer_delta(top(), start()); }
116 size_t used_bytes() const { return pointer_delta(top(), start(), 1); }
115 size_t free() const { return pointer_delta(end(), top()); } 117 size_t free() const { return pointer_delta(end(), top()); }
116 // Don't discard tlab if remaining space is larger than this. 118 // Don't discard tlab if remaining space is larger than this.
117 size_t refill_waste_limit() const { return _refill_waste_limit; } 119 size_t refill_waste_limit() const { return _refill_waste_limit; }
118 120
119 // Allocate size HeapWords. The memory is NOT initialized to zero. 121 // Allocate size HeapWords. The memory is NOT initialized to zero.