[dpdk-dev] [PATCH 0/2] Fix vhost performance regression
Wang, Yinan
yinan.wang at intel.com
Fri Jul 24 06:55:47 CEST 2020
Hi Maxime,
The performance drop issue can be fixed, thanks!
The multi-queues interrupt issue still exist w/ this patch set.
BR,
Yinan
> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin at redhat.com>
> Sent: 2020?7?23? 21:09
> To: dev at dpdk.org; matan at mellanox.com; Xia, Chenbo
> <chenbo.xia at intel.com>; Liu, Yong <yong.liu at intel.com>; Wang, Yinan
> <yinan.wang at intel.com>
> Cc: thomas at monjalon.net; Yigit, Ferruh <ferruh.yigit at intel.com>;
> david.marchand at redhat.com; Maxime Coquelin
> <maxime.coquelin at redhat.com>
> Subject: [PATCH 0/2] Fix vhost performance regression
>
> Hi,
>
> This series aims at fixing the performance degradation reported
> by Intel QE. I managed to reproduce the issue, and this series
> fixes it.
>
> I only tested the first test case provided in the Bz[0], but wanted
> to send early for Intel QE to try and confirm it solves the issue.
>
> I will work on reproducing the other test cases, and see if this
> also fixes them.
>
> Thanks to Intel QE team for finding this issue.
> Maxime
>
> [0]: https://bugs.dpdk.org/show_bug.cgi?id=507#c0
>
> Maxime Coquelin (2):
> vhost: fix guest notification setting
> net/vhost: fix queue update
>
> drivers/net/vhost/rte_eth_vhost.c | 25 ++++++-------------------
> lib/librte_vhost/vhost.c | 24 ++++++++++++++++++++----
> lib/librte_vhost/vhost.h | 5 +++++
> lib/librte_vhost/vhost_user.c | 11 ++++++++---
> 4 files changed, 39 insertions(+), 26 deletions(-)
>
> --
> 2.26.2
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