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