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Lag Spike Profiler

Mod

Accurate per frame profiling

Type

Mod

Modrinth Downloads

148

Modrinth ID

1aUX1BST

Last Updated

Jun 1, 2026

Description

Profile the client thread to get per frame data to indentify the cause of frame time lag spikes.

How it works:

  • Run /profile [seconds] to start the profiler for the specified duration.
  • The profiler result will be saved in the minecraft instance folder being named after the current time (yyyy-MM-dd_HH-mm-ss.lagspikeprofile).
  • Load the profiler result using the LagSpikeProfiler Viewer.

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Compatibility

Mod Loaders

Forge

Game Versions

1.12.2

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External Resources