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Add measuring the CPU usage for testing the performance. b/302715613
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| // Copyright 2024 The Cobalt Authors. All Rights Reserved. | ||
| // | ||
| // 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. | ||
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| #include "cobalt/media/player/web_media_player_perf.h" | ||
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| #include "base/bind.h" | ||
| #include "base/logging.h" | ||
| #include "cobalt/base/statistics.h" | ||
| #include "starboard/extension/player_perf.h" | ||
| #include "starboard/once.h" | ||
| #include "starboard/system.h" | ||
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| namespace cobalt { | ||
| namespace media { | ||
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| namespace { | ||
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| const int64_t kMaxSamples = 256; | ||
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| class StatisticsWrapper { | ||
| public: | ||
| static StatisticsWrapper* GetInstance(); | ||
| base::Statistics<double, int, 1024> cpu_usage{"Media.CPUUsage"}; | ||
| }; | ||
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| } // namespace | ||
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| SB_ONCE_INITIALIZE_FUNCTION(StatisticsWrapper, StatisticsWrapper::GetInstance); | ||
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| void WebMediaPlayerPerf::Start() { | ||
| task_runner_->PostTask(FROM_HERE, | ||
| base::Bind(&WebMediaPlayerPerf::StartTask, this)); | ||
| } | ||
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| void WebMediaPlayerPerf::StartTask() { | ||
| DCHECK(task_runner_->BelongsToCurrentThread()); | ||
| timer_.Start(FROM_HERE, base::Seconds(1), this, | ||
| &WebMediaPlayerPerf::GetPlatformIndependentCPUUsage); | ||
| } | ||
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| void WebMediaPlayerPerf::Stop() { | ||
| task_runner_->PostTask(FROM_HERE, | ||
| base::Bind(&WebMediaPlayerPerf::StopTask, this)); | ||
| } | ||
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| void WebMediaPlayerPerf::StopTask() { | ||
| DCHECK(task_runner_->BelongsToCurrentThread()); | ||
| timer_.Stop(); | ||
| } | ||
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| void WebMediaPlayerPerf::GetPlatformIndependentCPUUsage() { | ||
| DCHECK(task_runner_->BelongsToCurrentThread()); | ||
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| const StarboardExtensionPlayerPerfApi* player_perf_extension = | ||
| static_cast<const StarboardExtensionPlayerPerfApi*>( | ||
| SbSystemGetExtension(kStarboardExtensionPlayerPerfName)); | ||
| if (player_perf_extension && | ||
| strcmp(player_perf_extension->name, kStarboardExtensionPlayerPerfName) == | ||
| 0 && | ||
| player_perf_extension->version >= 1) { | ||
| double cpu_usage_perf = | ||
| player_perf_extension->GetPlatformIndependentCPUUsage(); | ||
| if (cpu_usage_perf == 0.0 && data_count_ == 0) { | ||
| LOG(ERROR) << "Brown first sample, skip"; | ||
| return; | ||
| } | ||
| StatisticsWrapper::GetInstance()->cpu_usage.AddSample(cpu_usage_perf, 1); | ||
| data_count_ += 1; | ||
| if (data_count_ == kMaxSamples) { | ||
| LOG(ERROR) << "Brown CPU usage statistics (%): brand name: " | ||
| << sb_system_property_brand_name_ | ||
| << ", model name: " << sb_system_property_model_name_ | ||
| << ", platform name: " << sb_system_property_platform_name_ | ||
| << ", min: " | ||
| << StatisticsWrapper::GetInstance()->cpu_usage.min() | ||
| << "%, median: " | ||
| << StatisticsWrapper::GetInstance()->cpu_usage.GetMedian() | ||
| << "%, average: " | ||
| << StatisticsWrapper::GetInstance()->cpu_usage.average() | ||
| << "%, max: " | ||
| << StatisticsWrapper::GetInstance()->cpu_usage.max() << "%"; | ||
| } | ||
| } | ||
| } | ||
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| std::string WebMediaPlayerPerf::GetSbSystemProperty( | ||
| SbSystemPropertyId property_id) { | ||
| char property[1024] = {0}; | ||
| std::string result = ""; | ||
| if (!SbSystemGetProperty(property_id, property, | ||
| SB_ARRAY_SIZE_INT(property))) { | ||
| DLOG(FATAL) << "Failed to get kSbSystemPropertyPlatformName."; | ||
| return result; | ||
| } | ||
| result = property; | ||
| return result; | ||
| } | ||
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| WebMediaPlayerPerf::WebMediaPlayerPerf( | ||
| const scoped_refptr<base::SingleThreadTaskRunner>& task_runner) | ||
| : task_runner_(task_runner), | ||
| data_count_(0), | ||
| sb_system_property_brand_name_( | ||
| GetSbSystemProperty(kSbSystemPropertyBrandName)), | ||
| sb_system_property_model_name_( | ||
| GetSbSystemProperty(kSbSystemPropertyModelName)), | ||
| sb_system_property_platform_name_( | ||
| GetSbSystemProperty(kSbSystemPropertyPlatformName)) {} | ||
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| WebMediaPlayerPerf::~WebMediaPlayerPerf() {} | ||
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| } // namespace media | ||
| } // namespace cobalt | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,65 @@ | ||
| // Copyright 2024 The Cobalt Authors. All Rights Reserved. | ||
| // | ||
| // 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. | ||
|
|
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| #ifndef COBALT_MEDIA_PLAYER_WEB_MEDIA_PLAYER_PERF_H_ | ||
| #define COBALT_MEDIA_PLAYER_WEB_MEDIA_PLAYER_PERF_H_ | ||
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| #include <string> | ||
| #include <vector> | ||
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| #include "base/memory/ref_counted.h" | ||
| #include "base/task_runner.h" | ||
| #include "base/threading/thread.h" | ||
| #include "base/time/time.h" | ||
| #include "base/timer/timer.h" | ||
| #include "starboard/common/system_property.h" | ||
| #include "starboard/types.h" | ||
|
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| namespace cobalt { | ||
| namespace media { | ||
|
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| class WebMediaPlayerPerf | ||
| : public base::RefCountedThreadSafe<WebMediaPlayerPerf> { | ||
| public: | ||
| // Constructs a measure pipeline that will execute on |task_runner|. | ||
| WebMediaPlayerPerf( | ||
| const scoped_refptr<base::SingleThreadTaskRunner>& task_runner); | ||
| ~WebMediaPlayerPerf(); | ||
|
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| void Start(); | ||
| void StartTask(); | ||
| void Stop(); | ||
| void StopTask(); | ||
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| private: | ||
| // Refer base/process/process_metrics.h for GetPlatformIndependentCPUUsage() | ||
| void GetPlatformIndependentCPUUsage(); | ||
| std::string GetSbSystemProperty(SbSystemPropertyId property_id); | ||
|
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| // Message loop used to execute pipeline tasks. It is thread-safe. | ||
| scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | ||
| base::RepeatingTimer timer_; | ||
|
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| // TODO(borongchen): ensure when to log CPU statistics, as each video segment | ||
| // will Play() once | ||
| int data_count_; | ||
| std::string sb_system_property_brand_name_; | ||
| std::string sb_system_property_model_name_; | ||
| std::string sb_system_property_platform_name_; | ||
| }; | ||
|
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| } // namespace media | ||
| } // namespace cobalt | ||
|
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| #endif // COBALT_MEDIA_PLAYER_WEB_MEDIA_PLAYER_PERF_H_ |
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