From: Matthew Hall <mhall-Hv3ogNYU3JfZZajBQzqCxQ@public.gmane.org>
To: Yan Freedland <YanF-ipht3Rx8jL5BDgjK7y7TUQ@public.gmane.org>
Cc: "dev-VfR2kkLFssw@public.gmane.org" <dev-VfR2kkLFssw@public.gmane.org>
Subject: Re: DPDK - VIRTIO performance problems
Date: Sun, 12 Oct 2014 06:17:38 -0700 [thread overview]
Message-ID: <20141012131738.GB3672@mhcomputing.net> (raw)
In-Reply-To: <CEFFBC011B3590479939EA0B9311D2152690DFF8-c7dmUlN0JpUFwryiss7F11muhGz1hbfE@public.gmane.org>
On Sun, Oct 12, 2014 at 12:37:37PM +0000, Yan Freedland wrote:
> Every ~2min traffic stopped completely and then immediately came back. This
> happened in a periodic fashion.
To me it sounds like it could be similar to what I've seen when I ran out of
mbuf's or ran out of RX / TX descriptor entries. It could be worth checking
the error counters on the interfaces with DPDK and Linux OS / ethtool to see
what might be incrementing during the failed time periods.
Matthew.
next prev parent reply other threads:[~2014-10-12 13:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-12 12:37 DPDK - VIRTIO performance problems Yan Freedland
[not found] ` <CEFFBC011B3590479939EA0B9311D2152690DFF8-c7dmUlN0JpUFwryiss7F11muhGz1hbfE@public.gmane.org>
2014-10-12 13:17 ` Matthew Hall [this message]
[not found] ` <20141012131738.GB3672-Hv3ogNYU3JfZZajBQzqCxQ@public.gmane.org>
2014-10-13 3:09 ` Ouyang, Changchun
[not found] ` <F52918179C57134FAEC9EA62FA2F962511862688-E2R4CRU6q/6iAffOGbnezLfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-10-13 7:04 ` Yan Freedland
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