Make sure that idle scavenges are just performed when enough objects are allocated in new space.

src/heap/gc-idle-time-handler.cc

Index: src/heap/gc-idle-time-handler.cc
diff --git a/src/heap/gc-idle-time-handler.cc b/src/heap/gc-idle-time-handler.cc
index 19c9dab668299b13b14fdf05c0dfd106d25f5a4c..ba456cf13e70f6f82550ab1ff35a0f836bb17e80 100644
--- a/src/heap/gc-idle-time-handler.cc
+++ b/src/heap/gc-idle-time-handler.cc
@@ -131,10 +131,17 @@ bool GCIdleTimeHandler::ShouldDoScavenge(
     // We have to trigger scavenge before we reach the end of new space.
     size_t adjust_limit = new_space_allocation_throughput_in_bytes_per_ms *
                           kTimeUntilNextIdleEvent;
-    if (adjust_limit > new_space_allocation_limit)
+    if (adjust_limit > new_space_allocation_limit) {
       new_space_allocation_limit = 0;
-    else
+    } else {
       new_space_allocation_limit -= adjust_limit;
+    }
+  }
+
+  // The allocated new space limit to trigger a Scavange has to be at least

[Erik Corry, 2015/05/15 13:03:16]

Scavange -> scavenge  <-- note vowel change

[Hannes Payer (out of office), 2015/05/15 15:12:49]

Done. Fixed them all.

+  // kMinimumNewSpaceSizeToPerformScavenge.
+  if (new_space_allocation_limit < kMinimumNewSpaceSizeToPerformScavenge) {
+    new_space_allocation_limit = kMinimumNewSpaceSizeToPerformScavenge;
   }
 
   if (scavenge_speed_in_bytes_per_ms == 0) {