How to detect slab memory leak

Mulyadi Santosa mulyadi.santosa at gmail.com
Tue Dec 18 02:42:13 EST 2018


On Sun, Dec 16, 2018 at 1:25 PM Naruto Nguyen <narutonguyen2018 at gmail.com>
wrote:

> Hi everyone,
>
> When using slabtop to display the cache size growing, I see that
> kmalloc-1024 and kmalloc-256 are increasing about 200MB after 1 hour.
> Is there any way to detect which kernel components cause this slab
> increase?
>
> Thanks a lot,
> Brs,
> Naruto
>
>
Hello Naruto

I think you can do it by instrumenting call to kmalloc(). These days, eBPF
is the hot stuff to try for this matter. See if it fits yours too.

regards,

Mulyadi


> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>


-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20181218/a5c9020f/attachment.html>


More information about the Kernelnewbies mailing list