From: Thomas Monjalon <thomas@monjalon.net>
To: Yangchao Zhou <zhouyates@gmail.com>
Cc: stable@dpdk.org, Ferruh Yigit <ferruh.yigit@intel.com>, dev@dpdk.org
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v4] kni: fix possible rx_q mbuf leaks and speed up alloc_q release
Date: Mon, 14 May 2018 00:02:54 +0200 [thread overview]
Message-ID: <2037639.XKrTCuadTR@xps> (raw)
In-Reply-To: <6be3fba4-46d8-45f6-caa0-7b301433a964@intel.com>
04/05/2018 14:46, Ferruh Yigit:
> On 4/19/2018 4:12 AM, Yangchao Zhou wrote:
> > rx_q fifo can only be released by kernel thread. There may be
> > mbuf leaks in rx_q because kernel threads are randomly stopped.
> >
> > When the kni is released and netdev is unregisterd, convert the
> > physical address mbufs in rx_q to the virtual address in free_q.
> > By the way, alloc_q can be processed together to speed up the
> > release rate in userspace.
> >
> > In my test, it is improved from 300-500ms with a mempool that has
> > 131072 mbufs to 10ms(regardless of the specifications).
> >
> > Signed-off-by: Yangchao Zhou <zhouyates@gmail.com>
> > Suggested-by: Ferruh Yigit <ferruh.yigit@intel.com>
> > ---
> > v4:
> > * Add improve performance description.
>
> Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>
Applied, thanks
prev parent reply other threads:[~2018-05-13 22:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-11 12:34 [dpdk-stable] [PATCH v2] kni: fix possible rx_q mbuf leak " Yangchao Zhou
2018-04-17 4:01 ` [dpdk-stable] [PATCH v3] kni: fix possible rx_q mbuf leaks " Yangchao Zhou
2018-04-17 19:11 ` Ferruh Yigit
2018-04-19 3:12 ` [dpdk-stable] [PATCH v4] " Yangchao Zhou
2018-05-04 12:46 ` [dpdk-stable] [dpdk-dev] " Ferruh Yigit
2018-05-13 22:02 ` Thomas Monjalon [this message]
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