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8035406: Improve data structure for Code Cache remembered sets

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Change the code cache remembered sets data structure from a GrowableArray to a chunked list of nmethods. This makes the data structure more amenable to parallelization, and decreases freeing time.

Reviewed-by: mgerdin, brutisso
This commit is contained in:
Thomas Schatzl 2014-03-17 10:12:21 +01:00
parent c88e3def4d
commit 329e55e7b0
14 changed files with 656 additions and 69 deletions
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7
hotspot/src/share/vm/gc_implementation/g1/g1GCPhaseTimes.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013, 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
@ -131,6 +131,7 @@ class G1GCPhaseTimes : public CHeapObj<mtGC> {
double _cur_collection_par_time_ms;
double _cur_collection_code_root_fixup_time_ms;
double _cur_strong_code_root_migration_time_ms;
double _cur_strong_code_root_purge_time_ms;
double _cur_clear_ct_time_ms;
double _cur_ref_proc_time_ms;
@ -223,6 +224,10 @@ class G1GCPhaseTimes : public CHeapObj<mtGC> {
_cur_strong_code_root_migration_time_ms = ms;
}
void record_strong_code_root_purge_time(double ms) {
_cur_strong_code_root_purge_time_ms = ms;
}
void record_ref_proc_time(double ms) {
_cur_ref_proc_time_ms = ms;
}