Add trace events to measure GPU process startup timing and time to first present.

Review URL: https://chromiumcodereview.appspot.com/10386185

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137802 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 18 insertions, 2 deletions

diff --git a/content/common/gpu/client/gpu_channel_host.cc b/content/common/gpu/client/gpu_channel_host.cc
index 19a87df..6d688c6 100644
--- a/content/common/gpu/client/gpu_channel_host.cc
+++ b/content/common/gpu/client/gpu_channel_host.cc
@@ -5,6 +5,7 @@
 #include "content/common/gpu/client/gpu_channel_host.h"
 
 #include "base/bind.h"
+#include "base/debug/trace_event.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/threading/thread_restrictions.h"
@@ -112,6 +113,11 @@ CommandBufferProxy* GpuChannelHost::CreateViewCommandBuffer(
     const std::vector<int32>& attribs,
     const GURL& active_url,
     gfx::GpuPreference gpu_preference) {
+  TRACE_EVENT1("gpu",
+               "GpuChannelHost::CreateViewCommandBuffer",
+               "surface_id",
+               surface_id);
+
 #if defined(ENABLE_GPU)
   AutoLock lock(context_lock_);
   // An error occurred. Need to get the host again to reinitialize it.
@@ -146,6 +152,8 @@ CommandBufferProxy* GpuChannelHost::CreateOffscreenCommandBuffer(
     const std::vector<int32>& attribs,
     const GURL& active_url,
     gfx::GpuPreference gpu_preference) {
+  TRACE_EVENT0("gpu", "GpuChannelHost::CreateOffscreenCommandBuffer");
+
 #if defined(ENABLE_GPU)
   AutoLock lock(context_lock_);
   // An error occurred. Need to get the host again to reinitialize it.
@@ -192,6 +200,8 @@ GpuVideoDecodeAcceleratorHost* GpuChannelHost::CreateVideoDecoder(
 
 void GpuChannelHost::DestroyCommandBuffer(
     CommandBufferProxy* command_buffer) {
+  TRACE_EVENT0("gpu", "GpuChannelHost::DestroyCommandBuffer");
+
 #if defined(ENABLE_GPU)
   AutoLock lock(context_lock_);
   int route_id = command_buffer->GetRouteID();
diff --git a/content/common/gpu/gpu_channel.cc b/content/common/gpu/gpu_channel.cc
index a228305..41d86ba 100644
--- a/content/common/gpu/gpu_channel.cc
+++ b/content/common/gpu/gpu_channel.cc
@@ -179,6 +179,11 @@ void GpuChannel::CreateViewCommandBuffer(
     int32 surface_id,
     const GPUCreateCommandBufferConfig& init_params,
     int32* route_id) {
+  TRACE_EVENT1("gpu",
+               "GpuChannel::CreateViewCommandBuffer",
+               "surface_id",
+               surface_id);
+
   *route_id = MSG_ROUTING_NONE;
   content::GetContentClient()->SetActiveURL(init_params.active_url);
 
@@ -336,6 +341,8 @@ void GpuChannel::OnCreateOffscreenCommandBuffer(
     const gfx::Size& size,
     const GPUCreateCommandBufferConfig& init_params,
     IPC::Message* reply_message) {
+  TRACE_EVENT0("gpu", "GpuChannel::OnCreateOffscreenCommandBuffer");
+
   int32 route_id = MSG_ROUTING_NONE;
 
   content::GetContentClient()->SetActiveURL(init_params.active_url);
@@ -373,9 +380,9 @@ void GpuChannel::OnCreateOffscreenCommandBuffer(
 
 void GpuChannel::OnDestroyCommandBuffer(int32 route_id,
                                         IPC::Message* reply_message) {
-#if defined(ENABLE_GPU)
   TRACE_EVENT1("gpu", "GpuChannel::OnDestroyCommandBuffer",
                "route_id", route_id);
+
   if (router_.ResolveRoute(route_id)) {
     GpuCommandBufferStub* stub = stubs_.Lookup(route_id);
     bool need_reschedule = (stub && !stub->IsScheduled());
@@ -389,7 +396,6 @@ void GpuChannel::OnDestroyCommandBuffer(int32 route_id,
       OnScheduled();
     DidDestroyCommandBuffer(gpu_preference);
   }
-#endif
 
   if (reply_message)
     Send(reply_message);