mirror of
https://github.com/ryujinx-mirror/ryujinx.git
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f2b9a9c2b0
* move profiler output to gui * addressed commits, rebased * removed whitespaces
174 lines
4.9 KiB
C#
174 lines
4.9 KiB
C#
using System;
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using System.Collections.Generic;
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namespace Ryujinx.Debugger.Profiler
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{
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public struct Timestamp
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{
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public long BeginTime;
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public long EndTime;
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}
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public class TimingInfo
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{
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// Timestamps
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public long TotalTime { get; set; }
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public long Instant { get; set; }
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// Measurement counts
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public int Count { get; set; }
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public int InstantCount { get; set; }
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// Work out average
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public long AverageTime => (Count == 0) ? -1 : TotalTime / Count;
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// Intentionally not locked as it's only a get count
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public bool IsActive => _timestamps.Count > 0;
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public long BeginTime
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{
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get
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{
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lock (_timestampLock)
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{
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if (_depth > 0)
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{
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return _currentTimestamp.BeginTime;
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}
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return -1;
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}
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}
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}
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// Timestamp collection
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private List<Timestamp> _timestamps;
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private readonly object _timestampLock = new object();
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private readonly object _timestampListLock = new object();
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private Timestamp _currentTimestamp;
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// Depth of current timer,
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// each begin call increments and each end call decrements
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private int _depth;
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public TimingInfo()
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{
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_timestamps = new List<Timestamp>();
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_depth = 0;
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}
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public void Begin(long beginTime)
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{
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lock (_timestampLock)
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{
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// Finish current timestamp if already running
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if (_depth > 0)
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{
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EndUnsafe(beginTime);
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}
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BeginUnsafe(beginTime);
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_depth++;
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}
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}
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private void BeginUnsafe(long beginTime)
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{
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_currentTimestamp.BeginTime = beginTime;
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_currentTimestamp.EndTime = -1;
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}
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public void End(long endTime)
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{
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lock (_timestampLock)
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{
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_depth--;
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if (_depth < 0)
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{
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throw new Exception("Timing info end called without corresponding begin");
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}
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EndUnsafe(endTime);
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// Still have others using this timing info so recreate start for them
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if (_depth > 0)
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{
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BeginUnsafe(endTime);
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}
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}
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}
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private void EndUnsafe(long endTime)
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{
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_currentTimestamp.EndTime = endTime;
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lock (_timestampListLock)
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{
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_timestamps.Add(_currentTimestamp);
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}
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long delta = _currentTimestamp.EndTime - _currentTimestamp.BeginTime;
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TotalTime += delta;
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Instant += delta;
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Count++;
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InstantCount++;
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}
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// Remove any timestamps before given timestamp to free memory
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public void Cleanup(long before, long preserveStart, long preserveEnd)
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{
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lock (_timestampListLock)
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{
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int toRemove = 0;
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int toPreserveStart = 0;
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int toPreserveLen = 0;
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for (int i = 0; i < _timestamps.Count; i++)
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{
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if (_timestamps[i].EndTime < preserveStart)
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{
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toPreserveStart++;
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InstantCount--;
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Instant -= _timestamps[i].EndTime - _timestamps[i].BeginTime;
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}
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else if (_timestamps[i].EndTime < preserveEnd)
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{
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toPreserveLen++;
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}
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else if (_timestamps[i].EndTime < before)
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{
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toRemove++;
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InstantCount--;
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Instant -= _timestamps[i].EndTime - _timestamps[i].BeginTime;
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}
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else
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{
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// Assume timestamps are in chronological order so no more need to be removed
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break;
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}
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}
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if (toPreserveStart > 0)
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{
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_timestamps.RemoveRange(0, toPreserveStart);
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}
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if (toRemove > 0)
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{
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_timestamps.RemoveRange(toPreserveLen, toRemove);
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}
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}
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}
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public Timestamp[] GetAllTimestamps()
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{
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lock (_timestampListLock)
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{
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Timestamp[] returnTimestamps = new Timestamp[_timestamps.Count];
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_timestamps.CopyTo(returnTimestamps);
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return returnTimestamps;
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}
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}
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}
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}
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