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41 lines
1.1 KiB
41 lines
1.1 KiB
// Copyright 2018 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <inttypes.h>
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namespace android {
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namespace base {
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// CPU usage tracking
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struct CpuTime {
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uint64_t wall_time_us = 0;
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uint64_t user_time_us = 0;
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uint64_t system_time_us = 0;
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CpuTime& operator-=(const CpuTime& other);
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uint64_t usageUs() const;
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// Usage proportion; convert to percent by
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// multiplying by 100.
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float usage() const;
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float usageUser() const;
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float usageSystem() const;
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};
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CpuTime operator-(const CpuTime& a, const CpuTime& b);
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} // namespace base
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} // namespace android
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