Sample allocation throughput in all idle notifications.

src/heap/gc-tracer.cc

Index: src/heap/gc-tracer.cc
diff --git a/src/heap/gc-tracer.cc b/src/heap/gc-tracer.cc
index 11c682de1c6433b9e01024e1a94b4f42f508939e..e4d992c9e793c499e8fa9173db37b7b2ffe6a725 100644
--- a/src/heap/gc-tracer.cc
+++ b/src/heap/gc-tracer.cc
@@ -273,7 +273,7 @@ void GCTracer::SampleAllocation(double current_ms,
   size_t old_generation_allocated_bytes =
       old_generation_counter_bytes - old_generation_allocation_counter_bytes_;
   double duration = current_ms - allocation_time_ms_;
-  const double kMinDurationMs = 1;
+  const double kMinDurationMs = 100;
   if (duration < kMinDurationMs) {
     // Do not sample small durations to avoid precision errors.
     return;