package net.minecraft.client.telemetry.events; import it.unimi.dsi.fastutil.longs.LongArrayList; import it.unimi.dsi.fastutil.longs.LongList; import net.fabricmc.api.EnvType; import net.fabricmc.api.Environment; import net.minecraft.client.Minecraft; import net.minecraft.client.telemetry.TelemetryEventSender; import net.minecraft.client.telemetry.TelemetryEventType; import net.minecraft.client.telemetry.TelemetryProperty; @Environment(EnvType.CLIENT) public final class PerformanceMetricsEvent extends AggregatedTelemetryEvent { private static final long DEDICATED_MEMORY_KB = toKilobytes(Runtime.getRuntime().maxMemory()); private final LongList fpsSamples = new LongArrayList(); private final LongList frameTimeSamples = new LongArrayList(); private final LongList usedMemorySamples = new LongArrayList(); @Override public void tick(TelemetryEventSender sender) { if (Minecraft.getInstance().telemetryOptInExtra()) { super.tick(sender); } } private void resetValues() { this.fpsSamples.clear(); this.frameTimeSamples.clear(); this.usedMemorySamples.clear(); } @Override public void takeSample() { this.fpsSamples.add(Minecraft.getInstance().getFps()); this.takeUsedMemorySample(); this.frameTimeSamples.add(Minecraft.getInstance().getFrameTimeNs()); } private void takeUsedMemorySample() { long l = Runtime.getRuntime().totalMemory(); long m = Runtime.getRuntime().freeMemory(); long n = l - m; this.usedMemorySamples.add(toKilobytes(n)); } @Override public void sendEvent(TelemetryEventSender sender) { sender.send(TelemetryEventType.PERFORMANCE_METRICS, builder -> { builder.put(TelemetryProperty.FRAME_RATE_SAMPLES, new LongArrayList(this.fpsSamples)); builder.put(TelemetryProperty.RENDER_TIME_SAMPLES, new LongArrayList(this.frameTimeSamples)); builder.put(TelemetryProperty.USED_MEMORY_SAMPLES, new LongArrayList(this.usedMemorySamples)); builder.put(TelemetryProperty.NUMBER_OF_SAMPLES, this.getSampleCount()); builder.put(TelemetryProperty.RENDER_DISTANCE, Minecraft.getInstance().options.getEffectiveRenderDistance()); builder.put(TelemetryProperty.DEDICATED_MEMORY_KB, (int)DEDICATED_MEMORY_KB); }); this.resetValues(); } private static long toKilobytes(long bytes) { return bytes / 1000L; } }