Mercurial > hg > truffle
changeset 20612:6f06ebb09080
8059216: Make PrintGCApplicationStoppedTime print information about stopping threads
Reviewed-by: dholmes, brutisso
author | vkempik |
---|---|
date | Tue, 28 Oct 2014 18:41:34 +0400 |
parents | 3c87c13918fb |
children | 5217eef2497f 0d754e6851d3 |
files | src/share/vm/services/runtimeService.cpp src/share/vm/services/runtimeService.hpp |
diffstat | 2 files changed, 10 insertions(+), 2 deletions(-) [+] |
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--- a/src/share/vm/services/runtimeService.cpp Thu Oct 30 13:03:30 2014 +0100 +++ b/src/share/vm/services/runtimeService.cpp Tue Oct 28 18:41:34 2014 +0400 @@ -46,6 +46,7 @@ PerfCounter* RuntimeService::_thread_interrupt_signaled_count = NULL; PerfCounter* RuntimeService::_interrupted_before_count = NULL; PerfCounter* RuntimeService::_interrupted_during_count = NULL; +double RuntimeService::_last_safepoint_sync_time_sec = 0.0; void RuntimeService::init() { // Make sure the VM version is initialized @@ -128,6 +129,7 @@ // update the time stamp to begin recording safepoint time _safepoint_timer.update(); + _last_safepoint_sync_time_sec = 0.0; if (UsePerfData) { _total_safepoints->inc(); if (_app_timer.is_updated()) { @@ -140,6 +142,9 @@ if (UsePerfData) { _sync_time_ticks->inc(_safepoint_timer.ticks_since_update()); } + if (PrintGCApplicationStoppedTime) { + _last_safepoint_sync_time_sec = last_safepoint_time_sec(); + } } void RuntimeService::record_safepoint_end() { @@ -155,8 +160,10 @@ gclog_or_tty->date_stamp(PrintGCDateStamps); gclog_or_tty->stamp(PrintGCTimeStamps); gclog_or_tty->print_cr("Total time for which application threads " - "were stopped: %3.7f seconds", - last_safepoint_time_sec()); + "were stopped: %3.7f seconds, " + "Stopping threads took: %3.7f seconds", + last_safepoint_time_sec(), + _last_safepoint_sync_time_sec); } // update the time stamp to begin recording app time
--- a/src/share/vm/services/runtimeService.hpp Thu Oct 30 13:03:30 2014 +0100 +++ b/src/share/vm/services/runtimeService.hpp Tue Oct 28 18:41:34 2014 +0400 @@ -40,6 +40,7 @@ static TimeStamp _safepoint_timer; static TimeStamp _app_timer; + static double _last_safepoint_sync_time_sec; public: static void init();