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45 lines
1006 B
45 lines
1006 B
/*
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*
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* Copyright 2015 gRPC authors.
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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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*
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*/
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#ifndef TEST_QPS_USAGE_TIMER_H
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#define TEST_QPS_USAGE_TIMER_H
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class UsageTimer {
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public:
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UsageTimer();
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struct Result {
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double wall;
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double user;
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double system;
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unsigned long long total_cpu_time;
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unsigned long long idle_cpu_time;
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};
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Result Mark() const;
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static double Now();
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private:
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static Result Sample();
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const Result start_;
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};
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#endif // TEST_QPS_TIMER_H
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