| // 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 "cc/output/latency_info_swap_promise.h" |
| |
| #include <stdint.h> |
| |
| #include "base/logging.h" |
| #include "base/trace_event/trace_event.h" |
| |
| namespace { |
| ui::LatencyComponentType DidNotSwapReasonToLatencyComponentType( |
| cc::SwapPromise::DidNotSwapReason reason) { |
| switch (reason) { |
| case cc::SwapPromise::ACTIVATION_FAILS: |
| case cc::SwapPromise::SWAP_FAILS: |
| return ui::INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT; |
| case cc::SwapPromise::COMMIT_FAILS: |
| return ui::INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT; |
| case cc::SwapPromise::COMMIT_NO_UPDATE: |
| return ui::INPUT_EVENT_LATENCY_TERMINATED_COMMIT_NO_UPDATE_COMPONENT; |
| } |
| NOTREACHED() << "Unhandled DidNotSwapReason."; |
| return ui::INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT; |
| } |
| } // namespace |
| |
| namespace cc { |
| |
| LatencyInfoSwapPromise::LatencyInfoSwapPromise(const ui::LatencyInfo& latency) |
| : latency_(latency) { |
| } |
| |
| LatencyInfoSwapPromise::~LatencyInfoSwapPromise() { |
| } |
| |
| void LatencyInfoSwapPromise::DidSwap(CompositorFrameMetadata* metadata) { |
| DCHECK(!latency_.terminated()); |
| metadata->latency_info.push_back(latency_); |
| } |
| |
| void LatencyInfoSwapPromise::DidNotSwap(DidNotSwapReason reason) { |
| latency_.AddLatencyNumber(DidNotSwapReasonToLatencyComponentType(reason), 0, |
| 0); |
| // TODO(miletus): Turn this back on once per-event LatencyInfo tracking |
| // is enabled in GPU side. |
| // DCHECK(latency_.terminated); |
| } |
| |
| int64_t LatencyInfoSwapPromise::TraceId() const { |
| return latency_.trace_id(); |
| } |
| |
| // Trace the original LatencyInfo of a LatencyInfoSwapPromise |
| void LatencyInfoSwapPromise::OnCommit() { |
| TRACE_EVENT_WITH_FLOW1("input,benchmark", |
| "LatencyInfo.Flow", |
| TRACE_ID_DONT_MANGLE(TraceId()), |
| TRACE_EVENT_FLAG_FLOW_IN | TRACE_EVENT_FLAG_FLOW_OUT, |
| "step", "HandleInputEventMainCommit"); |
| } |
| |
| } // namespace cc |