Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/parallelScavenge/psGenerationCounters.hpp @ 5964:21595f05bc93
7146246: G1: expose some of the -XX flags that drive which old regions to collect during mixed GCs
Summary: Make two G1 cmd line flags available in product builds: G1HeapWastePercent (previously called: G1OldReclaimableThresholdPercent) and G1MixedGCCountTarget (previous called: G1MaxMixedGCNum). Also changed the default of the former from 1% to 5% and the default for G1OldCSetRegionLiveThresholdPercent to 90%.
Reviewed-by: azeemj, jwilhelm, johnc
author | tonyp |
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date | Fri, 23 Mar 2012 10:53:19 -0400 |
parents | f95d63e2154a |
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rev | line source |
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0 | 1 |
2 /* | |
1972 | 3 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. |
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20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * questions. |
0 | 23 * |
24 */ | |
25 | |
1972 | 26 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGENERATIONCOUNTERS_HPP |
27 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGENERATIONCOUNTERS_HPP | |
28 | |
29 #include "gc_implementation/parallelScavenge/psVirtualspace.hpp" | |
30 #include "gc_implementation/shared/generationCounters.hpp" | |
31 #include "runtime/perfData.hpp" | |
32 | |
0 | 33 // A PSGenerationCounter is a holder class for performance counters |
34 // that track a generation | |
35 | |
36 class PSGenerationCounters: public GenerationCounters { | |
37 friend class VMStructs; | |
38 | |
39 private: | |
40 PSVirtualSpace* _ps_virtual_space; | |
41 | |
42 public: | |
43 PSGenerationCounters(const char* name, int ordinal, int spaces, | |
44 PSVirtualSpace* v); | |
45 | |
46 void update_all() { | |
47 assert(_virtual_space == NULL, "Only one should be in use"); | |
48 _current_size->set_value(_ps_virtual_space->committed_size()); | |
49 } | |
50 }; | |
1972 | 51 |
52 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGENERATIONCOUNTERS_HPP |