Every production multiplayer client records performance after play starts. Each recording shows frame times, game-system costs, streaming, memory, player count and location. Open a recording to find the cause of slow performance.
Start timeDeviceLengthAverage FPSFrame healthLoad timeSlowest systems
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How to read this page
- Frame timeline. Each vertical bar shows one rendered frame. A taller bar means a slower frame. Grey frames meet the display refresh time. Yellow frames miss it. Orange means a stutter over 100 ms. Red means a freeze over 500 ms. Drag across a chart to zoom in. Select Reset zoom to reset the chart.
- Frame cost by system. Game systems report their script time each second.
sim.trafficmeans traffic AI.streammeans world tile streaming. A tall band that aligns with a stutter shows the highest script cost. If this chart stays low during a slow frame, check the engine metrics. Rendering, physics or another engine task caused the delay. - Slowest frames. Each row shows a slow frame and the system with the highest script cost. It also shows the state change on that frame.
tiles +3means that the streamer committed 3 tiles. Select a row to show that time on the charts. - Engine metrics. Rising draw calls mean that more content is visible. A node count that rises for several minutes can show a leak. A video-memory rise before a stutter can show texture uploads.
- Location. The map shows the playtest path. The origin is in downtown Auckland and north is at the top. Red sections show slow performance. Rings show stutters. A cluster can show costly content at that location. A trail behind fast driving can show late tile streaming.
Frame timeline
One bar for each frame. Drag to zoom. Select Reset zoom to reset the chart.Frame cost by system
Script time in milliseconds for each system and secondSlowest frames
Slow frames, their highest-cost system and state changesEngine metrics
One sample each second for the selected time rangeWhere it happened
The colour shows performance. Rings show stutters. Select a point to show its time.