| /* |
| * |
| * Copyright 2018 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. |
| * |
| */ |
| |
| #include <grpc/support/port_platform.h> |
| |
| #ifdef GPR_LINUX |
| |
| #include <cstdio> |
| |
| #include "src/cpp/server/load_reporter/get_cpu_stats.h" |
| |
| namespace grpc { |
| namespace load_reporter { |
| |
| std::pair<uint64_t, uint64_t> GetCpuStatsImpl() { |
| uint64_t busy = 0, total = 0; |
| FILE* fp; |
| fp = fopen("/proc/stat", "r"); |
| uint64_t user, nice, system, idle; |
| fscanf(fp, "cpu %lu %lu %lu %lu", &user, &nice, &system, &idle); |
| fclose(fp); |
| busy = user + nice + system; |
| total = busy + idle; |
| return std::make_pair(busy, total); |
| } |
| |
| } // namespace load_reporter |
| } // namespace grpc |
| |
| #endif // GPR_LINUX |