1515   gc_timer->register_gc_start();

  1515   gc_timer->register_gc_start();

  1516 

  1516 

  1517   SerialOldTracer* gc_tracer = GenMarkSweep::gc_tracer();

  1517   SerialOldTracer* gc_tracer = GenMarkSweep::gc_tracer();

  1518   gc_tracer->report_gc_start(gch->gc_cause(), gc_timer->gc_start());

  1518   gc_tracer->report_gc_start(gch->gc_cause(), gc_timer->gc_start());

  1519 

  1519 

  1520   GCTraceTime(Trace, gc) t("CMS:MSC");

  1522   GCTraceTime(Trace, gc) t("CMS:MSC");

  1521 

  1523 

  1522   // Temporarily widen the span of the weak reference processing to

  1524   // Temporarily widen the span of the weak reference processing to

  1523   // the entire heap.

  1525   // the entire heap.

  1524   MemRegion new_span(GenCollectedHeap::heap()->reserved_region());

  1526   MemRegion new_span(GenCollectedHeap::heap()->reserved_region());

  1590   // Adjust the per-size allocation stats for the next epoch.

  1592   // Adjust the per-size allocation stats for the next epoch.

  1591   _cmsGen->cmsSpace()->endSweepFLCensus(sweep_count() /* fake */);

  1593   _cmsGen->cmsSpace()->endSweepFLCensus(sweep_count() /* fake */);

  1592   // Restart the "inter sweep timer" for the next epoch.

  1594   // Restart the "inter sweep timer" for the next epoch.

  1593   _inter_sweep_timer.reset();

  1595   _inter_sweep_timer.reset();

  1594   _inter_sweep_timer.start();

  1596   _inter_sweep_timer.start();

  1595 

  1599 

  1596   gc_timer->register_gc_end();

  1600   gc_timer->register_gc_end();

  1597 

  1601 

  1598   gc_tracer->report_gc_end(gc_timer->gc_end(), gc_timer->time_partitions());

  1602   gc_tracer->report_gc_end(gc_timer->gc_end(), gc_timer->time_partitions());

  1599 

  1603