| // Copyright 2023 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn/platform/metrics/HistogramMacros.h" |
| |
| namespace dawn::platform::metrics { |
| |
| DawnHistogramTimer::DawnHistogramTimer(Platform* platform) |
| : mPlatform(platform), |
| mConstructed(mPlatform != nullptr ? mPlatform->MonotonicallyIncreasingTime() : 0) {} |
| |
| void DawnHistogramTimer::RecordMicroseconds(const char* name) { |
| if (mPlatform == nullptr || name == nullptr || mConstructed == 0) { |
| return; |
| } |
| // TODO(dawn:1934) Unify the constants when/if possible. |
| int elapsedUS = |
| static_cast<int>((mPlatform->MonotonicallyIncreasingTime() - mConstructed) * 1'000'000.0); |
| mPlatform->HistogramCustomCountsHPC(name, elapsedUS, 1, 1'000'000, 50); |
| } |
| |
| void DawnHistogramTimer::Reset() { |
| if (mPlatform == nullptr) { |
| return; |
| } |
| mConstructed = mPlatform->MonotonicallyIncreasingTime(); |
| } |
| |
| } // namespace dawn::platform::metrics |