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Oracle Linux: An Example of Using Ftrace to Troubleshoot Possible Slab Leak. (Doc ID 2791001.1)

Last updated on AUGUST 22, 2021

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
x86_64

Goal

Sometimes the OOM(Out Of Memory) error in Linux system has something to do with Slab leak. See below output from /proc/slabinfo, 

It is very likely there is slab usage leak for slao cache of kmalloc-4096.

Solution

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Goal
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