1 //
2 //
3 // Copyright 2018 gRPC authors.
4 //
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
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
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.
16 //
17 //
18
19 #include <grpc/support/port_platform.h>
20
21 #ifdef GPR_APPLE
22
23 #include <mach/mach.h>
24
25 #include "src/cpp/server/load_reporter/get_cpu_stats.h"
26
27 namespace grpc {
28 namespace load_reporter {
29
GetCpuStatsImpl()30 std::pair<uint64_t, uint64_t> GetCpuStatsImpl() {
31 uint64_t busy = 0, total = 0;
32 host_cpu_load_info_data_t cpuinfo;
33 mach_msg_type_number_t count = HOST_CPU_LOAD_INFO_COUNT;
34 if (host_statistics(mach_host_self(), HOST_CPU_LOAD_INFO,
35 (host_info_t)&cpuinfo, &count) == KERN_SUCCESS) {
36 for (int i = 0; i < CPU_STATE_MAX; i++) total += cpuinfo.cpu_ticks[i];
37 busy = total - cpuinfo.cpu_ticks[CPU_STATE_IDLE];
38 }
39 return std::make_pair(busy, total);
40 }
41
42 } // namespace load_reporter
43 } // namespace grpc
44
45 #endif // GPR_APPLE
46