| /* |
| * |
| * 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_WINDOWS |
| |
| #include <windows.h> |
| #include <cstdint> |
| |
| #include "src/cpp/server/load_reporter/get_cpu_stats.h" |
| |
| namespace grpc { |
| namespace load_reporter { |
| |
| namespace { |
| |
| uint64_t FiletimeToInt(const FILETIME& ft) { |
| ULARGE_INTEGER i; |
| i.LowPart = ft.dwLowDateTime; |
| i.HighPart = ft.dwHighDateTime; |
| return i.QuadPart; |
| } |
| |
| } // namespace |
| |
| std::pair<uint64_t, uint64_t> GetCpuStatsImpl() { |
| uint64_t busy = 0, total = 0; |
| FILETIME idle, kernel, user; |
| if (GetSystemTimes(&idle, &kernel, &user) != 0) { |
| total = FiletimeToInt(kernel) + FiletimeToInt(user); |
| busy = total - FiletimeToInt(idle); |
| } |
| return std::make_pair(busy, total); |
| } |
| |
| } // namespace load_reporter |
| } // namespace grpc |
| |
| #endif // GPR_WINDOWS |