From: ulan <ulan@chromium.org>
Date: Fri, 7 Aug 2015 09:24:21 +0000 (-0700)
Subject: Sample allocation rate in memory reducer.
X-Git-Tag: upstream/4.7.83~981
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ddcec9f6bf50779bc23bf43b731c0699cc19c4ea;p=platform%2Fupstream%2Fv8.git

Sample allocation rate in memory reducer.

Otherwise, if there is no GC and no idle notification,
memory reducer will use old allocation rate.

BUG=chromium:515873
LOG=NO

Review URL: https://codereview.chromium.org/1280623002

Cr-Commit-Position: refs/heads/master@{#30059}
---

diff --git a/src/heap/memory-reducer.cc b/src/heap/memory-reducer.cc
index 634c625..25378b5 100644
--- a/src/heap/memory-reducer.cc
+++ b/src/heap/memory-reducer.cc
@@ -25,8 +25,11 @@ MemoryReducer::TimerTask::TimerTask(MemoryReducer* memory_reducer)
 void MemoryReducer::TimerTask::RunInternal() {
   Heap* heap = memory_reducer_->heap();
   Event event;
+  double time_ms = heap->MonotonicallyIncreasingTimeInMs();
+  heap->tracer()->SampleAllocation(time_ms, heap->NewSpaceAllocationCounter(),
+                                   heap->OldGenerationAllocationCounter());
   event.type = kTimer;
-  event.time_ms = heap->MonotonicallyIncreasingTimeInMs();
+  event.time_ms = time_ms;
   event.low_allocation_rate = heap->HasLowAllocationRate();
   event.can_start_incremental_gc =
       heap->incremental_marking()->IsStopped() &&