Mercurial > hg > graal-jvmci-8
diff src/share/vm/runtime/sweeper.hpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author | sla |
---|---|
date | Mon, 10 Jun 2013 11:30:51 +0200 |
parents | 0cfa93c2fcc4 |
children | 5888334c9c24 |
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--- a/src/share/vm/runtime/sweeper.hpp Fri Jun 07 09:33:01 2013 -0700 +++ b/src/share/vm/runtime/sweeper.hpp Mon Jun 10 11:30:51 2013 +0200 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2013, 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 @@ -31,9 +31,12 @@ // class NMethodSweeper : public AllStatic { - static long _traversals; // Stack traversal count - static nmethod* _current; // Current nmethod - static int _seen; // Nof. nmethod we have currently processed in current pass of CodeCache + static long _traversals; // Stack scan count, also sweep ID. + static nmethod* _current; // Current nmethod + static int _seen; // Nof. nmethod we have currently processed in current pass of CodeCache + static int _flushed_count; // Nof. nmethods flushed in current sweep + static int _zombified_count; // Nof. nmethods made zombie in current sweep + static int _marked_count; // Nof. nmethods marked for reclaim in current sweep static volatile int _invocations; // No. of invocations left until we are completed with this pass static volatile int _sweep_started; // Flag to control conc sweeper @@ -53,6 +56,16 @@ static int _highest_marked; // highest compile id dumped at last emergency unloading static int _dead_compile_ids; // number of compile ids that where not in the cache last flush + // Stat counters + static int _number_of_flushes; // Total of full traversals caused by full cache + static int _total_nof_methods_reclaimed; // Accumulated nof methods flushed + static jlong _total_time_sweeping; // Accumulated time sweeping + static jlong _total_time_this_sweep; // Total time this sweep + static jlong _peak_sweep_time; // Peak time for a full sweep + static jlong _peak_sweep_fraction_time; // Peak time sweeping one fraction + static jlong _total_disconnect_time; // Total time cleaning code mem + static jlong _peak_disconnect_time; // Peak time cleaning code mem + static void process_nmethod(nmethod *nm); static void release_nmethod(nmethod* nm); @@ -60,7 +73,14 @@ static bool sweep_in_progress(); public: - static long traversal_count() { return _traversals; } + static long traversal_count() { return _traversals; } + static int number_of_flushes() { return _number_of_flushes; } + static int total_nof_methods_reclaimed() { return _total_nof_methods_reclaimed; } + static jlong total_time_sweeping() { return _total_time_sweeping; } + static jlong peak_sweep_time() { return _peak_sweep_time; } + static jlong peak_sweep_fraction_time() { return _peak_sweep_fraction_time; } + static jlong total_disconnect_time() { return _total_disconnect_time; } + static jlong peak_disconnect_time() { return _peak_disconnect_time; } #ifdef ASSERT // Keep track of sweeper activity in the ring buffer