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8150367: Add back information about the number of GC workers

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Reviewed-by: sjohanss, tschatzl
This commit is contained in:
Bengt Rutisson 2016-02-23 09:52:46 +01:00
parent 8c7980f33a
commit e020d2f477
2 changed files with 7 additions and 4 deletions
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9
hotspot/src/share/vm/gc/g1/g1CollectedHeap.cpp
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@ -3235,10 +3235,6 @@ G1CollectedHeap::do_collection_pause_at_safepoint(double target_pause_time_ms) {
GCTraceCPUTime tcpu;
uint active_workers = AdaptiveSizePolicy::calc_active_workers(workers()->total_workers(),
workers()->active_workers(),
Threads::number_of_non_daemon_threads());
workers()->set_active_workers(active_workers);
FormatBuffer<> gc_string("Pause ");
if (collector_state()->during_initial_mark_pause()) {
gc_string.append("Initial Mark");
@ -3249,6 +3245,11 @@ G1CollectedHeap::do_collection_pause_at_safepoint(double target_pause_time_ms) {
}
GCTraceTime(Info, gc) tm(gc_string, NULL, gc_cause(), true);
uint active_workers = AdaptiveSizePolicy::calc_active_workers(workers()->total_workers(),
workers()->active_workers(),
Threads::number_of_non_daemon_threads());
workers()->set_active_workers(active_workers);
g1_policy()->note_gc_start(active_workers);
TraceCollectorStats tcs(g1mm()->incremental_collection_counters());

2
hotspot/src/share/vm/gc/shared/workgroup.hpp
View File

@ -29,6 +29,7 @@
#include "runtime/globals.hpp"
#include "runtime/thread.hpp"
#include "gc/shared/gcId.hpp"
#include "logging/log.hpp"
#include "utilities/debug.hpp"
#include "utilities/globalDefinitions.hpp"
@ -151,6 +152,7 @@ class AbstractWorkGang : public CHeapObj<mtInternal> {
_active_workers = MAX2(1U, _active_workers);
assert(UseDynamicNumberOfGCThreads || _active_workers == _total_workers,
"Unless dynamic should use total workers");
log_info(gc, task)("GC Workers: %d", _active_workers);
}
// Return the Ith worker.