linux-kernel - Re: Jitter and latency benchmarks with netlink / nl80211

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Message-ID: <CAB=NE6U_0E+y8jc_0O3+9pmUyLXX9CuSMYMMWk__4Q8-+-AHTg@mail.gmail.com>
Date:	Wed, 10 Apr 2013 11:05:40 -0700
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	Ben Greear <greearb@...delatech.com>
Cc:	linux-wireless <linux-wireless@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: Jitter and latency benchmarks with netlink / nl80211

On Wed, Apr 10, 2013 at 10:59 AM, Ben Greear <greearb@...delatech.com> wrote:
> On 04/10/2013 10:55 AM, Luis R. Rodriguez wrote:
>>
>> Curious if anyone has worked on latency and jitter benchmarks in using
>> netlink, specifically with nl80211. Has anyone benchmarked this? Ben,
>> have you? If not for nl80211 perhaps this has been done before for
>> other netlink families?
>
>
> You mean timing related to netlink configuration/report requests?

Yes.

> We have lots of ways to measure wifi packet throughput latencies
> and jitter (to/from userspace and/or to/from pktgen), but it doesn't use
> netlink....

Not looking for latency / jitter for 802.11, but for the core nl80211 messages.

  Luis
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