diff --git a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp index 2587bc2299e41f8b3c45020ceb432220527e921b..2ca629e6007ddd9a15c51313375076e9456d59f4 100644 --- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp @@ -1249,6 +1249,11 @@ public: // The same as above but assume that the caller holds the Heap_lock. void collect_locked(GCCause::Cause cause); + virtual void copy_allocation_context_stats(const jint* contexts, + jlong* totals, + jbyte* accuracy, + jint len); + // True iff an evacuation has failed in the most-recent collection. bool evacuation_failed() { return _evacuation_failed; } diff --git a/src/share/vm/gc_implementation/g1/g1CollectedHeap_ext.cpp b/src/share/vm/gc_implementation/g1/g1CollectedHeap_ext.cpp new file mode 100644 index 0000000000000000000000000000000000000000..401b28b6feec73dba7e024546091519c536ea336 --- /dev/null +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap_ext.cpp @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2014, 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 + * 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. + * + */ + +#include "precompiled.hpp" +#include "gc_implementation/g1/g1CollectedHeap.hpp" + +void G1CollectedHeap::copy_allocation_context_stats(const jint* contexts, + jlong* totals, + jbyte* accuracy, + jint len) { +} diff --git a/src/share/vm/gc_interface/collectedHeap.hpp b/src/share/vm/gc_interface/collectedHeap.hpp index d4fa7ffc0ec2e4f5de08ff08d73a5f9f7d89b1ad..b03c1cc4ea249ccdaed2eade622d188d16273a93 100644 --- a/src/share/vm/gc_interface/collectedHeap.hpp +++ b/src/share/vm/gc_interface/collectedHeap.hpp @@ -637,6 +637,15 @@ class CollectedHeap : public CHeapObj { // actual number may be germane. static bool use_parallel_gc_threads() { return ParallelGCThreads > 0; } + // Copy the current allocation context statistics for the specified contexts. + // For each context in contexts, set the corresponding entries in the totals + // and accuracy arrays to the current values held by the statistics. Each + // array should be of length len. + virtual void copy_allocation_context_stats(const jint* contexts, + jlong* totals, + jbyte* accuracy, + jint len) { } + /////////////// Unit tests /////////////// NOT_PRODUCT(static void test_is_in();)