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#region Copyright notice and license
// Copyright 2015 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.
#endregion
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using Google.Protobuf;
using Grpc.Core;
using Grpc.Core.Utils;
using NUnit.Framework;
using Grpc.Testing;
namespace Grpc.IntegrationTesting
{
/// <summary>
/// Snapshottable time statistics.
/// </summary>
public class TimeStats
{
readonly object myLock = new object();
DateTime lastWallClock;
TimeSpan lastUserTime;
TimeSpan lastPrivilegedTime;
public TimeStats()
{
lastWallClock = DateTime.UtcNow;
lastUserTime = Process.GetCurrentProcess().UserProcessorTime;
lastPrivilegedTime = Process.GetCurrentProcess().PrivilegedProcessorTime;
}
public Snapshot GetSnapshot(bool reset)
{
lock (myLock)
{
var wallClock = DateTime.UtcNow;
var userTime = Process.GetCurrentProcess().UserProcessorTime;
var privilegedTime = Process.GetCurrentProcess().PrivilegedProcessorTime;
var snapshot = new Snapshot(wallClock - lastWallClock, userTime - lastUserTime, privilegedTime - lastPrivilegedTime);
if (reset)
{
lastWallClock = wallClock;
lastUserTime = userTime;
lastPrivilegedTime = privilegedTime;
}
return snapshot;
}
}
public class Snapshot
{
public TimeSpan WallClockTime { get; }
public TimeSpan UserProcessorTime { get; }
public TimeSpan PrivilegedProcessorTime { get; }
public Snapshot(TimeSpan wallClockTime, TimeSpan userProcessorTime, TimeSpan privilegedProcessorTime)
{
this.WallClockTime = wallClockTime;
this.UserProcessorTime = userProcessorTime;
this.PrivilegedProcessorTime = privilegedProcessorTime;
}
public override string ToString()
{
return string.Format("[TimeStats.Snapshot: wallClock {0}, userProcessor {1}, privilegedProcessor {2}]", WallClockTime, UserProcessorTime, PrivilegedProcessorTime);
}
}
}
}
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