src/share/vm/gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.cpp
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*** old/src/share/vm/gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.cpp	Wed Jan 15 01:40:28 2014
--- new/src/share/vm/gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.cpp	Wed Jan 15 01:40:28 2014

*** 464,474 **** --- 464,474 ---- } void CMSAdaptiveSizePolicy::checkpoint_roots_final_begin() { _STW_timer.stop(); _latest_cms_initial_mark_end_to_remark_start_secs = _STW_timer.seconds(); ! // Start accumumlating time for the remark in the STW timer. ! // Start accumulating time for the remark in the STW timer. _STW_timer.reset(); _STW_timer.start(); } void CMSAdaptiveSizePolicy::checkpoint_roots_final_end(
*** 535,546 **** --- 535,546 ---- if ((_latest_cms_msc_end_to_msc_start_time_secs > 0.0) && (msc_pause_in_seconds > 0.0)) { avg_msc_pause()->sample(msc_pause_in_seconds); double mutator_time_in_seconds = 0.0; if (_latest_cms_collection_end_to_collection_start_secs == 0.0) { ! // This assertion may fail because of time stamp gradularity. ! // Comment it out and investiage it at a later time. The large ! // This assertion may fail because of time stamp granularity. ! // Comment it out and investigate it at a later time. The large // time stamp granularity occurs on some older linux systems. #ifndef CLOCK_GRANULARITY_TOO_LARGE assert((_latest_cms_concurrent_marking_time_secs == 0.0) && (_latest_cms_concurrent_precleaning_time_secs == 0.0) && (_latest_cms_concurrent_sweeping_time_secs == 0.0),
*** 834,844 **** --- 834,844 ---- return avg_major_gc_cost()->average(); } void CMSAdaptiveSizePolicy::ms_collection_marking_begin() { _STW_timer.stop(); ! // Start accumumlating time for the marking in the STW timer. ! // Start accumulating time for the marking in the STW timer. _STW_timer.reset(); _STW_timer.start(); } void CMSAdaptiveSizePolicy::ms_collection_marking_end(
*** 1225,1235 **** --- 1225,1235 ---- // Keep running averages on how much survived // We use the tenuring threshold to equalize the cost of major // and minor collections. // ThresholdTolerance is used to indicate how sensitive the - // tenuring threshold is to differences in cost betweent the // collection types. // Get the times of interest. This involves a little work, so // we cache the values here. const double major_cost = major_gc_cost();

src/share/vm/gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.cpp
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