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comparison src/share/vm/gc_implementation/concurrentMarkSweep/cmsAdaptiveSizePolicy.cpp @ 14309:63a4eb8bcd23

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8025856: Fix typos in the GC code Summary: Fix about 440 typos in comments in the VM code Reviewed-by: mgerdin, tschatzl, coleenp, kmo, jcoomes
author jwilhelm
date Thu, 23 Jan 2014 14:47:23 +0100
parents 14d3f71f831d
children e5d78f318aec
comparison
equal deleted inserted replaced
14308:870aedf4ba4f 14309:63a4eb8bcd23
464 } 464 }
465 465
466 void CMSAdaptiveSizePolicy::checkpoint_roots_final_begin() { 466 void CMSAdaptiveSizePolicy::checkpoint_roots_final_begin() {
467 _STW_timer.stop(); 467 _STW_timer.stop();
468 _latest_cms_initial_mark_end_to_remark_start_secs = _STW_timer.seconds(); 468 _latest_cms_initial_mark_end_to_remark_start_secs = _STW_timer.seconds();
469 // Start accumumlating time for the remark in the STW timer. 469 // Start accumulating time for the remark in the STW timer.
470 _STW_timer.reset(); 470 _STW_timer.reset();
471 _STW_timer.start(); 471 _STW_timer.start();
472 } 472 }
473 473
474 void CMSAdaptiveSizePolicy::checkpoint_roots_final_end( 474 void CMSAdaptiveSizePolicy::checkpoint_roots_final_end(
535 if ((_latest_cms_msc_end_to_msc_start_time_secs > 0.0) && 535 if ((_latest_cms_msc_end_to_msc_start_time_secs > 0.0) &&
536 (msc_pause_in_seconds > 0.0)) { 536 (msc_pause_in_seconds > 0.0)) {
537 avg_msc_pause()->sample(msc_pause_in_seconds); 537 avg_msc_pause()->sample(msc_pause_in_seconds);
538 double mutator_time_in_seconds = 0.0; 538 double mutator_time_in_seconds = 0.0;
539 if (_latest_cms_collection_end_to_collection_start_secs == 0.0) { 539 if (_latest_cms_collection_end_to_collection_start_secs == 0.0) {
540 // This assertion may fail because of time stamp gradularity. 540 // This assertion may fail because of time stamp granularity.
541 // Comment it out and investiage it at a later time. The large 541 // Comment it out and investigate it at a later time. The large
542 // time stamp granularity occurs on some older linux systems. 542 // time stamp granularity occurs on some older linux systems.
543 #ifndef CLOCK_GRANULARITY_TOO_LARGE 543 #ifndef CLOCK_GRANULARITY_TOO_LARGE
544 assert((_latest_cms_concurrent_marking_time_secs == 0.0) && 544 assert((_latest_cms_concurrent_marking_time_secs == 0.0) &&
545 (_latest_cms_concurrent_precleaning_time_secs == 0.0) && 545 (_latest_cms_concurrent_precleaning_time_secs == 0.0) &&
546 (_latest_cms_concurrent_sweeping_time_secs == 0.0), 546 (_latest_cms_concurrent_sweeping_time_secs == 0.0),
834 return avg_major_gc_cost()->average(); 834 return avg_major_gc_cost()->average();
835 } 835 }
836 836
837 void CMSAdaptiveSizePolicy::ms_collection_marking_begin() { 837 void CMSAdaptiveSizePolicy::ms_collection_marking_begin() {
838 _STW_timer.stop(); 838 _STW_timer.stop();
839 // Start accumumlating time for the marking in the STW timer. 839 // Start accumulating time for the marking in the STW timer.
840 _STW_timer.reset(); 840 _STW_timer.reset();
841 _STW_timer.start(); 841 _STW_timer.start();
842 } 842 }
843 843
844 void CMSAdaptiveSizePolicy::ms_collection_marking_end( 844 void CMSAdaptiveSizePolicy::ms_collection_marking_end(
1225 // Keep running averages on how much survived 1225 // Keep running averages on how much survived
1226 1226
1227 // We use the tenuring threshold to equalize the cost of major 1227 // We use the tenuring threshold to equalize the cost of major
1228 // and minor collections. 1228 // and minor collections.
1229 // ThresholdTolerance is used to indicate how sensitive the 1229 // ThresholdTolerance is used to indicate how sensitive the
1230 // tenuring threshold is to differences in cost betweent the 1230 // tenuring threshold is to differences in cost between the
1231 // collection types. 1231 // collection types.
1232 1232
1233 // Get the times of interest. This involves a little work, so 1233 // Get the times of interest. This involves a little work, so
1234 // we cache the values here. 1234 // we cache the values here.
1235 const double major_cost = major_gc_cost(); 1235 const double major_cost = major_gc_cost();