3 * Copyright 2018 gRPC authors.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 #include <grpc/support/port_platform.h>
27 #include "src/cpp/server/load_reporter/get_cpu_stats.h"
30 namespace load_reporter {
34 uint64_t FiletimeToInt(const FILETIME& ft) {
36 i.LowPart = ft.dwLowDateTime;
37 i.HighPart = ft.dwHighDateTime;
43 std::pair<uint64_t, uint64_t> GetCpuStatsImpl() {
44 uint64_t busy = 0, total = 0;
45 FILETIME idle, kernel, user;
46 if (GetSystemTimes(&idle, &kernel, &user) != 0) {
47 total = FiletimeToInt(kernel) + FiletimeToInt(user);
48 busy = total - FiletimeToInt(idle);
50 return std::make_pair(busy, total);
53 } // namespace load_reporter