Thu, 14 Mar 2013 09:37:38 +0100
6733980: par compact - TraceGen1Time always shows 0.0000 seconds
Summary: Use the correct collector to retrieve accumulated gen1 trace time
Reviewed-by: johnc, jmasa
1 /*
2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
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12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
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25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GENERATIONSIZER_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GENERATIONSIZER_HPP
28 #include "memory/collectorPolicy.hpp"
30 // There is a nice batch of tested generation sizing code in
31 // TwoGenerationCollectorPolicy. Lets reuse it!
33 class GenerationSizer : public TwoGenerationCollectorPolicy {
34 public:
35 GenerationSizer() {
36 // Partial init only!
37 initialize_flags();
38 initialize_size_info();
39 }
41 void initialize_flags() {
42 // Do basic sizing work
43 this->TwoGenerationCollectorPolicy::initialize_flags();
45 // If the user hasn't explicitly set the number of worker
46 // threads, set the count.
47 assert(UseSerialGC ||
48 !FLAG_IS_DEFAULT(ParallelGCThreads) ||
49 (ParallelGCThreads > 0),
50 "ParallelGCThreads should be set before flag initialization");
52 // The survivor ratio's are calculated "raw", unlike the
53 // default gc, which adds 2 to the ratio value. We need to
54 // make sure the values are valid before using them.
55 if (MinSurvivorRatio < 3) {
56 MinSurvivorRatio = 3;
57 }
59 if (InitialSurvivorRatio < 3) {
60 InitialSurvivorRatio = 3;
61 }
62 }
64 size_t min_young_gen_size() { return _min_gen0_size; }
65 size_t young_gen_size() { return _initial_gen0_size; }
66 size_t max_young_gen_size() { return _max_gen0_size; }
68 size_t min_old_gen_size() { return _min_gen1_size; }
69 size_t old_gen_size() { return _initial_gen1_size; }
70 size_t max_old_gen_size() { return _max_gen1_size; }
72 size_t metaspace_size() { return MetaspaceSize; }
73 size_t max_metaspace_size() { return MaxMetaspaceSize; }
74 };
76 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GENERATIONSIZER_HPP