Add more trace events to "benchmark" category

cc/scheduler/scheduler.cc

 // Copyright 2011 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 "cc/scheduler/scheduler.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/debug/trace_event.h"
@@ skipping 381 matching lines @@
   } else {
     advance_commit_state_task_.Cancel();
   }
 }
 
 // BeginFrame is the mechanism that tells us that now is a good time to start
 // making a frame. Usually this means that user input for the frame is complete.
 // If the scheduler is busy, we queue the BeginFrame to be handled later as
 // a BeginRetroFrame.
 bool Scheduler::OnBeginFrameMixInDelegate(const BeginFrameArgs& args) {
-  TRACE_EVENT1("cc", "Scheduler::BeginFrame", "args", args.AsValue());
+  TRACE_EVENT1("cc,benchmark", "Scheduler::BeginFrame", "args", args.AsValue());
 
   // Deliver BeginFrames to children.
   if (settings_.forward_begin_frames_to_children &&
       state_machine_.children_need_begin_frames()) {
     BeginFrameArgs adjusted_args_for_children(args);
     // Adjust a deadline for child schedulers.
     // TODO(simonhong): Once we have commitless update, we can get rid of
     // BeginMainFrameToCommitDurationEstimate() +
     // CommitToActivateDurationEstimate().
     adjusted_args_for_children.deadline -=
@@ skipping 41 matching lines @@
 
 void Scheduler::SetChildrenNeedBeginFrames(bool children_need_begin_frames) {
   DCHECK(settings_.forward_begin_frames_to_children);
   state_machine_.SetChildrenNeedBeginFrames(children_need_begin_frames);
   ProcessScheduledActions();
 }
 
 // BeginRetroFrame is called for BeginFrames that we've deferred because
 // the scheduler was in the middle of processing a previous BeginFrame.
 void Scheduler::BeginRetroFrame() {
-  TRACE_EVENT0("cc", "Scheduler::BeginRetroFrame");
+  TRACE_EVENT0("cc,benchmark", "Scheduler::BeginRetroFrame");
   DCHECK(!settings_.using_synchronous_renderer_compositor);
   DCHECK(!begin_retro_frame_args_.empty());
   DCHECK(!begin_retro_frame_task_.IsCancelled());
   DCHECK_EQ(state_machine_.begin_impl_frame_state(),
             SchedulerStateMachine::BEGIN_IMPL_FRAME_STATE_IDLE);
 
   begin_retro_frame_task_.Cancel();
 
   // Discard expired BeginRetroFrames
   // Today, we should always end up with at most one un-expired BeginRetroFrame
@@ skipping 55 matching lines @@
 
   task_runner_->PostTask(FROM_HERE, begin_retro_frame_task_.callback());
 }
 
 // BeginImplFrame starts a compositor frame that will wait up until a deadline
 // for a BeginMainFrame+activation to complete before it times out and draws
 // any asynchronous animation and scroll/pinch updates.
 void Scheduler::BeginImplFrame(const BeginFrameArgs& args) {
   bool main_thread_is_in_high_latency_mode =
       state_machine_.MainThreadIsInHighLatencyMode();
-  TRACE_EVENT2("cc",
+  TRACE_EVENT2("cc,benchmark",
                "Scheduler::BeginImplFrame",
                "args",
                args.AsValue(),
                "main_thread_is_high_latency",
                main_thread_is_in_high_latency_mode);
   TRACE_COUNTER1(TRACE_DISABLED_BY_DEFAULT("cc.debug.scheduler"),
                  "MainThreadLatency",
                  main_thread_is_in_high_latency_mode);
   DCHECK_EQ(state_machine_.begin_impl_frame_state(),
             SchedulerStateMachine::BEGIN_IMPL_FRAME_STATE_IDLE);
@@ skipping 77 matching lines @@
   if (state_machine_.begin_impl_frame_state() !=
       SchedulerStateMachine::BEGIN_IMPL_FRAME_STATE_INSIDE_BEGIN_FRAME)
     return;
 
   if (begin_impl_frame_deadline_mode_ !=
       state_machine_.CurrentBeginImplFrameDeadlineMode())
     ScheduleBeginImplFrameDeadline();
 }
 
 void Scheduler::OnBeginImplFrameDeadline() {
-  TRACE_EVENT0("cc", "Scheduler::OnBeginImplFrameDeadline");
+  TRACE_EVENT0("cc,benchmark", "Scheduler::OnBeginImplFrameDeadline");
   begin_impl_frame_deadline_task_.Cancel();
   // We split the deadline actions up into two phases so the state machine
   // has a chance to trigger actions that should occur durring and after
   // the deadline separately. For example:
   // * Sending the BeginMainFrame will not occur after the deadline in
   //     order to wait for more user-input before starting the next commit.
   // * Creating a new OuputSurface will not occur during the deadline in
   //     order to allow the state machine to "settle" first.
   state_machine_.OnBeginImplFrameDeadline();
   ProcessScheduledActions();
@@ skipping 161 matching lines @@
 }
 
 bool Scheduler::IsBeginMainFrameSentOrStarted() const {
   return (state_machine_.commit_state() ==
               SchedulerStateMachine::COMMIT_STATE_BEGIN_MAIN_FRAME_SENT ||
           state_machine_.commit_state() ==
               SchedulerStateMachine::COMMIT_STATE_BEGIN_MAIN_FRAME_STARTED);
 }
 
 }  // namespace cc