| // Copyright 2021 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef TOOLS_MAC_POWER_POWER_SAMPLER_SMC_SAMPLER_H_ |
| #define TOOLS_MAC_POWER_POWER_SAMPLER_SMC_SAMPLER_H_ |
| |
| #include <memory> |
| |
| #include "tools/mac/power/power_sampler/sampler.h" |
| |
| namespace power_metrics { |
| class SMCReader; |
| } |
| |
| namespace power_sampler { |
| |
| // The SMC sampler samples power usage from various hardware components from the |
| // System Management Controller (SMC). |
| class SMCSampler : public Sampler { |
| public: |
| static constexpr char kSamplerName[] = "smc"; |
| |
| ~SMCSampler() override; |
| |
| // Creates and initializes a new sampler, if possible. |
| // Returns nullptr on failure. |
| static std::unique_ptr<SMCSampler> Create(); |
| |
| // Sampler implementation. |
| std::string GetName() override; |
| DatumNameUnits GetDatumNameUnits() override; |
| Sample GetSample(base::TimeTicks sample_time) override; |
| |
| private: |
| friend class SMCSamplerTest; |
| |
| SMCSampler(std::unique_ptr<power_metrics::SMCReader> smc_reader); |
| |
| std::unique_ptr<power_metrics::SMCReader> smc_reader_; |
| }; |
| |
| } // namespace power_sampler |
| |
| #endif // TOOLS_MAC_POWER_POWER_SAMPLER_BATTERY_SAMPLER_H_ |