Oracle Linux: How To Profile Linux Kernel for a Specific User Space Program with Ftrace (Doc ID 2789699.1)

Last updated on JULY 14, 2021

Applies to:

Linux OS - Version Oracle Linux 7.6 with Unbreakable Enterprise Kernel [4.14.35] and later
x86_64

Sometimes it is needed to profile Linux Kernel to see why a very simple command like "cat /sys/<some file>" is very slow.

This note illustrates how to get this done with ftrace.

	To view full details, sign in with your My Oracle Support account.
	Don't have a My Oracle Support account? Click to get started!

In this Document

Goal

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.