src/hotspot/share/gc/g1/g1YoungRemSetSamplingThread.cpp

rev 53920 : imported patch 8218880-g1-crashes-periodic-gc-gclocker

*** 87,97 ****
      return;
    }
    if ((os::elapsedTime() - _last_periodic_gc_attempt_s) > (G1PeriodicGCInterval / 1000.0)) {
      log_debug(gc, periodic)("Checking for periodic GC.");
      if (should_start_periodic_gc()) {
!       Universe::heap()->collect(GCCause::_g1_periodic_collection);
      }
      _last_periodic_gc_attempt_s = os::elapsedTime();
    }
  }
  
--- 87,99 ----
      return;
    }
    if ((os::elapsedTime() - _last_periodic_gc_attempt_s) > (G1PeriodicGCInterval / 1000.0)) {
      log_debug(gc, periodic)("Checking for periodic GC.");
      if (should_start_periodic_gc()) {
!       if (!G1CollectedHeap::heap()->attempt_collect(GCCause::_g1_periodic_collection, false)) {
!         log_debug(gc, periodic)("GC request denied. Skipping.");
!       }
      }
      _last_periodic_gc_attempt_s = os::elapsedTime();
    }
  }