Mercurial > hg > graal-jvmci-8
diff src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp @ 4837:eff609af17d7
7127706: G1: re-enable survivors during the initial-mark pause
Summary: Re-enable survivors during the initial-mark pause. Afterwards, the concurrent marking threads have to scan them and mark everything reachable from them. The next GC will have to wait for the survivors to be scanned.
Reviewed-by: brutisso, johnc
author | tonyp |
---|---|
date | Wed, 25 Jan 2012 12:58:23 -0500 |
parents | 6a78aa6ac1ff |
children | a9647476d1a4 |
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--- a/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp Thu Jan 12 00:06:47 2012 -0800 +++ b/src/share/vm/gc_implementation/g1/g1CollectorPolicy.hpp Wed Jan 25 12:58:23 2012 -0500 @@ -65,6 +65,7 @@ class MainBodySummary: public CHeapObj { define_num_seq(satb_drain) // optional + define_num_seq(root_region_scan_wait) define_num_seq(parallel) // parallel only define_num_seq(ext_root_scan) define_num_seq(satb_filtering) @@ -715,6 +716,7 @@ double _mark_remark_start_sec; double _mark_cleanup_start_sec; double _mark_closure_time_ms; + double _root_region_scan_wait_time_ms; // Update the young list target length either by setting it to the // desired fixed value or by calculating it using G1's pause @@ -817,6 +819,10 @@ _mark_closure_time_ms = mark_closure_time_ms; } + void record_root_region_scan_wait_time(double time_ms) { + _root_region_scan_wait_time_ms = time_ms; + } + void record_concurrent_mark_remark_start(); void record_concurrent_mark_remark_end(); @@ -1147,11 +1153,6 @@ _survivor_surv_rate_group->stop_adding_regions(); } - void tenure_all_objects() { - _max_survivor_regions = 0; - _tenuring_threshold = 0; - } - void record_survivor_regions(size_t regions, HeapRegion* head, HeapRegion* tail) {