From: John Fastabend <john.fastabend@gmail.com>
To: "Paweł Staszewski" <pstaszewski@itcare.pl>,
"Linux Kernel Network Developers" <netdev@vger.kernel.org>
Subject: Re: Huge memory leak with 4.15.0-rc2+
Date: Mon, 11 Dec 2017 14:15:45 -0800 [thread overview]
Message-ID: <65a3563d-396e-e4fb-7dad-937ce999868e@gmail.com> (raw)
In-Reply-To: <2353c149-cae1-f986-63d0-3568534a1e8c@itcare.pl>
On 12/11/2017 01:48 PM, Paweł Staszewski wrote:
>
>
> W dniu 2017-12-11 o 22:23, Paweł Staszewski pisze:
>> Hi
>>
>>
>> I just upgraded some testing host to 4.15.0-rc2+ kernel
>>
>> And after some time of traffic processing - when traffic on all ports
>> reach about 3Mpps - memleak started.
>>
[...]
>> Some observations - when i disable tso on all cards there is more
>> memleak.
>>
>>
>>
>>
>>
> When traffic starts to drop - there is less and less memleak
> below link to memory usage graph:
> https://ibb.co/hU97kG
>
> And there is rising slab_unrecl - Amount of unreclaimable memory used
> for slab kernel allocations
>
>
> Forgot to add that im using hfsc and qdiscs like pfifo on classes.
>
>
Maybe some error case I missed in the qdisc patches I'm looking into
it.
Thanks,
John
next prev parent reply other threads:[~2017-12-11 22:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-11 21:23 Huge memory leak with 4.15.0-rc2+ Paweł Staszewski
2017-12-11 21:48 ` Paweł Staszewski
2017-12-11 22:15 ` John Fastabend [this message]
2017-12-11 22:27 ` Paweł Staszewski
2017-12-12 17:57 ` Paweł Staszewski
2017-12-13 21:05 ` John Fastabend
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