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Eliminate a few unnecessary calculations in the maintenance loop. 

Also uses wait event instead of sleep for periodicity control.
mb-throttle-test
Justin Clark-Casey (justincc) 2014-09-26 21:29:27 +01:00
parent 7d30bb13be
commit b9b483151f
1 changed files with 17 additions and 7 deletions
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24
OpenSim/Region/Framework/Scenes/Scene.cs
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@ -387,9 +387,14 @@ namespace OpenSim.Region.Framework.Scenes
public float MinFrameSeconds { get; private set; }
/// <summary>
/// The minimum length of time in seconds that will be taken for a maintenance run.
/// The minimum length of time in milliseconds that will be taken for a scene frame. If the frame takes less time then we
/// will sleep for the remaining period.
/// </summary>
public float MinMaintenanceTime { get; private set; }
/// <remarks>
/// One can tweak this number to experiment. One current effect of reducing it is to make avatar animations
/// occur too quickly (viewer 1) or with even more slide (viewer 2).
/// </remarks>
public int MinMaintenanceTicks { get; set; }
private int m_update_physics = 1;
private int m_update_entitymovement = 1;
@ -435,6 +440,11 @@ namespace OpenSim.Region.Framework.Scenes
/// </summary>
private ManualResetEvent m_updateWaitEvent = new ManualResetEvent(false);
/// <summary>
/// Used to control maintenance thread runs.
/// </summary>
private ManualResetEvent m_maintenanceWaitEvent = new ManualResetEvent(false);
// TODO: Possibly stop other classes being able to manipulate this directly.
private SceneGraph m_sceneGraph;
private readonly Timer m_restartTimer = new Timer(15000); // Wait before firing
@ -803,7 +813,7 @@ namespace OpenSim.Region.Framework.Scenes
{
m_config = config;
MinFrameTicks = 89;
MinMaintenanceTime = 1;
MinMaintenanceTicks = 1000;
SeeIntoRegion = true;
Random random = new Random();
@ -1571,19 +1581,19 @@ namespace OpenSim.Region.Framework.Scenes
previousMaintenanceTick = m_lastMaintenanceTick;
m_lastMaintenanceTick = Util.EnvironmentTickCount();
runtc = Util.EnvironmentTickCountSubtract(m_lastMaintenanceTick, runtc);
runtc = (int)(MinMaintenanceTime * 1000) - runtc;
runtc = MinMaintenanceTicks - runtc;
if (runtc > 0)
Thread.Sleep(runtc);
m_maintenanceWaitEvent.WaitOne(runtc);
// Optionally warn if a frame takes double the amount of time that it should.
if (DebugUpdates
&& Util.EnvironmentTickCountSubtract(
m_lastMaintenanceTick, previousMaintenanceTick) > (int)(MinMaintenanceTime * 1000 * 2))
m_lastMaintenanceTick, previousMaintenanceTick) > MinMaintenanceTicks * 2)
m_log.WarnFormat(
"[SCENE]: Maintenance took {0} ms (desired max {1} ms) in {2}",
Util.EnvironmentTickCountSubtract(m_lastMaintenanceTick, previousMaintenanceTick),
MinMaintenanceTime * 1000,
MinMaintenanceTicks,
RegionInfo.RegionName);
}
}