1 // Copyright 2022 gRPC authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef GRPC_TEST_CORE_MEMORY_USAGE_MEMSTATS_H 16 #define GRPC_TEST_CORE_MEMORY_USAGE_MEMSTATS_H 17 18 #include "absl/types/optional.h" 19 20 // IWYU pragma: no_include <bits/types/struct_rusage.h> 21 22 // Get the memory usage of either the calling process or another process using 23 // the pid 24 long GetMemUsage(absl::optional<int> pid = absl::nullopt); 25 26 struct MemStats { 27 long rss; // Resident set size, in kb SnapshotMemStats28 static MemStats Snapshot() { return MemStats{GetMemUsage()}; } 29 }; 30 31 #endif // GRPC_TEST_CORE_MEMORY_USAGE_MEMSTATS_H 32