src/share/vm/gc/shared/adaptiveSizePolicy.cpp

rev 11777 : [mq]: gcinterface.patch

*** 123,133 ****
    // Choose a number of GC threads based on the current size
    // of the heap.  This may be complicated because the size of
    // the heap depends on factors such as the throughput goal.
    // Still a large heap should be collected by more GC threads.
    active_workers_by_heap_size =
!       MAX2((size_t) 2U, Universe::heap()->capacity() / HeapSizePerGCThread);
  
    uintx max_active_workers =
      MAX2(active_workers_by_JT, active_workers_by_heap_size);
  
    new_active_workers = MIN2(max_active_workers, (uintx) total_workers);
--- 123,133 ----
    // Choose a number of GC threads based on the current size
    // of the heap.  This may be complicated because the size of
    // the heap depends on factors such as the throughput goal.
    // Still a large heap should be collected by more GC threads.
    active_workers_by_heap_size =
!       MAX2((size_t) 2U, GC::gc()->heap()->capacity() / HeapSizePerGCThread);
  
    uintx max_active_workers =
      MAX2(active_workers_by_JT, active_workers_by_heap_size);
  
    new_active_workers = MIN2(max_active_workers, (uintx) total_workers);
*** 627,631 ****
--- 627,654 ----
      log_debug(gc, ergo)("Tenuring threshold: (attempted to increase to balance GC costs) = %u", new_tenuring_threshold_arg);
    } else {
      assert(!tenuring_threshold_change(), "(no change was attempted)");
    }
  }
+ 
+ bool AdaptiveSizePolicyOutput::enabled() {
+   return UseParallelGC &&
+     UseAdaptiveSizePolicy &&
+     log_is_enabled(Debug, gc, ergo);
+ }
+ 
+ void AdaptiveSizePolicyOutput::print() {
+   if (enabled()) {
+     GC::gc()->heap()->size_policy()->print();
+   }
+ }
+ 
+ void AdaptiveSizePolicyOutput::print(AdaptiveSizePolicy* size_policy, uint count) {
+   bool do_print =
+     enabled() &&
+     (AdaptiveSizePolicyOutputInterval > 0) &&
+     (count % AdaptiveSizePolicyOutputInterval) == 0;
+ 
+   if (do_print) {
+     size_policy->print();
+   }
+ }