Add renderer memory metrics

content/renderer/render_frame_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 3930 matching lines @@
                          TRACE_EVENT_SCOPE_PROCESS);
   }
 
   for (auto& observer : render_view_->observers())
     observer.DidFinishLoad(frame);
   for (auto& observer : observers_)
     observer.DidFinishLoad();
 
   WebDataSource* ds = frame->dataSource();
   Send(new FrameHostMsg_DidFinishLoad(routing_id_, ds->getRequest().url()));
+
+  {
+    RenderThreadImpl::RendererMemoryMetrics memory_metrics;
+    RenderThreadImpl::current()->GetRendererMemoryMetrics(&memory_metrics);
+    UMA_HISTOGRAM_MEMORY_MB(
+        "Memory.Experimental.Renderer.DidFinishLoad.PartitionAllocMB",
+        memory_metrics.partition_alloc_kb / 1024);
+    UMA_HISTOGRAM_MEMORY_MB(
+        "Memory.Experimental.Renderer.DidFinishLoad.BlinkGCMB",
+        memory_metrics.blink_gc_kb / 1024);
+    UMA_HISTOGRAM_MEMORY_MB(
+        "Memory.Experimental.Renderer.DidFinishLoad.MallocMB",
+        memory_metrics.malloc_mb);
+    UMA_HISTOGRAM_MEMORY_MB(
+        "Memory.Experimental.Renderer.DidFinishLoad.DiscardableMB",
+        memory_metrics.discardable_kb / 1024);
+    UMA_HISTOGRAM_MEMORY_MB(
+        "Memory.Experimental.Renderer.DidFinishLoad.V8MainThreadIsolateMB",
+        memory_metrics.v8_main_thread_isolate_mb);
+    UMA_HISTOGRAM_MEMORY_MB(
+        "Memory.Experimental.Renderer.DidFinishLoad.TotalAllocatedMB",
+        memory_metrics.total_allocated_mb);
+    UMA_HISTOGRAM_MEMORY_MB(
+        "Memory.Experimental.Renderer.DidFinishLoad."
+        "NonDiscardableTotalAllocatedMB",
+        memory_metrics.non_discardable_total_allocated_mb);
+    UMA_HISTOGRAM_MEMORY_MB(
+        "Memory.Experimental.Renderer.DidFinishLoad."
+        "TotalAllocatedPerRenderViewMB",
+        memory_metrics.total_allocated_per_render_view_mb);
+  }
 }
 
 void RenderFrameImpl::didNavigateWithinPage(
     blink::WebLocalFrame* frame,
     const blink::WebHistoryItem& item,
     blink::WebHistoryCommitType commit_type,
     bool content_initiated) {
   TRACE_EVENT1("navigation,rail", "RenderFrameImpl::didNavigateWithinPage",
                "id", routing_id_);
   DCHECK_EQ(frame_, frame);
@@ skipping 2800 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content