/// <summary>
/// Creates a new instance of the class and starts the watch immediately.
/// </summary>
/// <returns>An instance of Stopwatch, running.</returns>
public static Stopwatch StartNew()
{
Stopwatch sw = new Stopwatch();
sw.start();
return(sw);
}
public void startFrame()
{
lock (this)
{
// We skip reset frame when this method gets called multiple times.
var count = Interlocked.Increment(ref updateCount);
if (enabled && (1 < count && count < maxSampleFrames))
{
return;
}
// Update current frame log.
prevLog = logs[frameCount++ & 0x1];
curLog = logs[frameCount & 0x1];
var endFrameTime = (float)stopwatch.elapsed.TotalMilliseconds;
// Update marker and create a log.
for (var barIdx = 0; barIdx < prevLog.bars.Length; ++barIdx)
{
var prevBar = prevLog.bars[barIdx];
var nextBar = curLog.bars[barIdx];
// Re-open marker that didn't get called EndMark in previous frame.
for (var nest = 0; nest < prevBar.nestCount; ++nest)
{
var markerIdx = prevBar.markerNests[nest];
prevBar.markers[markerIdx].endTime = endFrameTime;
nextBar.markerNests[nest] = nest;
nextBar.markers[nest].markerId =
prevBar.markers[markerIdx].markerId;
nextBar.markers[nest].beginTime = 0;
nextBar.markers[nest].endTime = -1;
nextBar.markers[nest].color = prevBar.markers[markerIdx].color;
}
// Update marker log.
for (var markerIdx = 0; markerIdx < prevBar.markCount; ++markerIdx)
{
var duration = prevBar.markers[markerIdx].endTime -
prevBar.markers[markerIdx].beginTime;
int markerId = prevBar.markers[markerIdx].markerId;
MarkerInfo m = markers[markerId];
m.logs[barIdx].color = prevBar.markers[markerIdx].color;
if (!m.logs[barIdx].initialized)
{
// First frame process.
m.logs[barIdx].min = duration;
m.logs[barIdx].max = duration;
m.logs[barIdx].avg = duration;
m.logs[barIdx].initialized = true;
}
else
{
// Process after first frame.
m.logs[barIdx].min = Math.Min(m.logs[barIdx].min, duration);
m.logs[barIdx].max = Math.Min(m.logs[barIdx].max, duration);
m.logs[barIdx].avg += duration;
m.logs[barIdx].avg *= 0.5f;
if (m.logs[barIdx].samples++ >= logSnapDuration)
{
m.logs[barIdx].snapMin = m.logs[barIdx].min;
m.logs[barIdx].snapMax = m.logs[barIdx].max;
m.logs[barIdx].snapAvg = m.logs[barIdx].avg;
m.logs[barIdx].samples = 0;
}
}
}
nextBar.markCount = prevBar.nestCount;
nextBar.nestCount = prevBar.nestCount;
}
// Start measuring.
stopwatch.reset();
stopwatch.start();
}
}
/// <summary>
/// Creates a new instance of the class and starts the watch immediately.
/// </summary>
/// <returns>An instance of Stopwatch, running.</returns>
public static Stopwatch StartNew()
{
Stopwatch sw = new Stopwatch();
sw.start();
return sw;
}
