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8239786: Shenandoah: print per-cycle statistics

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Reviewed-by: rkennke
This commit is contained in:
Aleksey Shipilev 2020-04-24 11:45:24 +02:00
parent 76e5da4d59
commit 53e4de6cf7
4 changed files with 207 additions and 66 deletions
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19
src/hotspot/share/gc/shenandoah/shenandoahControlThread.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, 2019, Red Hat, Inc. All rights reserved.
* Copyright (c) 2013, 2020, Red Hat, Inc. 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
@ -242,6 +242,22 @@ void ShenandoahControlThread::run_service() {
heuristics->clear_metaspace_oom();
}
// Commit worker statistics to cycle data
heap->phase_timings()->flush_par_workers_to_cycle();
// Print GC stats for current cycle
{
LogTarget(Info, gc, stats) lt;
if (lt.is_enabled()) {
ResourceMark rm;
LogStream ls(lt);
heap->phase_timings()->print_cycle_on(&ls);
}
}
// Commit statistics to globals
heap->phase_timings()->flush_cycle_to_global();
// Print Metaspace change following GC (if logging is enabled).
MetaspaceUtils::print_metaspace_change(meta_sizes);
@ -265,6 +281,7 @@ void ShenandoahControlThread::run_service() {
current :
current - (ShenandoahUncommitDelay / 1000.0);
service_uncommit(shrink_before);
heap->phase_timings()->flush_cycle_to_global();
last_shrink_time = current;
}