Dec 4, 2024 · Operations

How rtla timerlat Measures Kernel Latency: Principles and Analysis

This article explains the inner workings of rtla timerlat’s latency testing, contrasting it with cyclictest, detailing kernel‑mode tracer setup, timer handling, context differentiation, and how the collected trace events are processed by the user‑space rtla application to produce detailed IRQ and thread latency metrics.

Linuxcyclictestkernel latency

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How rtla timerlat Measures Kernel Latency: Principles and Analysis

Linux Kernel Journey

Dec 2, 2024 · Operations

Getting Started with rtla timerlat: Cross‑Compilation and Usage Guide

This article introduces rtla timerlat, a Linux scheduling‑latency analysis tool that breaks latency into detailed phases, explains how to cross‑compile its libtracefs and libtraceevent dependencies, compile the tool, enable the kernel timerlat tracer, configure common parameters, and run a typical command with sample output.

Linuxcross-compilationkernel tracing

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Getting Started with rtla timerlat: Cross‑Compilation and Usage Guide