1 #region Copyright notice and license 2 3 // Copyright 2015 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 #endregion 18 19 using System; 20 using Grpc.Core; 21 using Grpc.Core.Internal; 22 23 namespace Grpc.Microbenchmarks 24 { 25 internal class GCStats 26 { 27 readonly object myLock = new object(); 28 GCStatsSnapshot lastSnapshot; 29 GCStats()30 public GCStats() 31 { 32 lastSnapshot = new GCStatsSnapshot(GC.CollectionCount(0), GC.CollectionCount(1), GC.CollectionCount(2)); 33 } 34 GetSnapshot(bool reset = false)35 public GCStatsSnapshot GetSnapshot(bool reset = false) 36 { 37 lock (myLock) 38 { 39 var newSnapshot = new GCStatsSnapshot(GC.CollectionCount(0) - lastSnapshot.Gen0, 40 GC.CollectionCount(1) - lastSnapshot.Gen1, 41 GC.CollectionCount(2) - lastSnapshot.Gen2); 42 if (reset) 43 { 44 lastSnapshot = newSnapshot; 45 } 46 return newSnapshot; 47 } 48 } 49 } 50 51 public class GCStatsSnapshot 52 { GCStatsSnapshot(int gen0, int gen1, int gen2)53 public GCStatsSnapshot(int gen0, int gen1, int gen2) 54 { 55 this.Gen0 = gen0; 56 this.Gen1 = gen1; 57 this.Gen2 = gen2; 58 } 59 60 public int Gen0 { get; } 61 public int Gen1 { get; } 62 public int Gen2 { get; } 63 ToString()64 public override string ToString() 65 { 66 return string.Format("[GCCollectionCount: gen0 {0}, gen1 {1}, gen2 {2}]", Gen0, Gen1, Gen2); 67 } 68 } 69 } 70