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 <74887ec8f49846f5ae8b40b4c213d2da@realtek.com>
In-Reply-To: <74887ec8f49846f5ae8b40b4c213d2da@realtek.com>
From:   Jeff Clay <jeffclay@gmail.com>
Date:   Wed, 1 Dec 2021 08:48:48 -0600
Message-ID: <CACJOGMOBaQ+vc37dnpS8JYEnE4v4bufSkw+_Or5FEzkTiKXfBQ@mail.gmail.com>
Subject: Re: Latency spikes in rtw89
To:     Pkshih <pkshih@realtek.com>
Cc:     "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
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Thank you for the information. Would the issue persist if I were to
disable wireless power management?

On Tue, Nov 30, 2021 at 7:33 PM Pkshih <pkshih@realtek.com> wrote:
>
>
> > -----Original Message-----
> > From: Jeff Clay <jeffclay@gmail.com>
> > Sent: Wednesday, December 1, 2021 3:16 AM
> > To: linux-wireless@vger.kernel.org
> > Subject: Latency spikes in rtw89
> >
> > Hi, I am using the rtw89 driver for Realtek 8852AE in my Lenovo T14
> > AMD Gen2. I have obtained and installed this driver from source at
> > https://github.com/lwfinger/rtw89/tree/main I am having an issue where
> > the latency during a ping test to hosts on my LAN spikes to 200ms or
> > above. According to lwfinger, this is known and acceptable
> > https://github.com/lwfinger/rtw89/issues/85  However, I am hoping I
> > may be able to work with you to resolve this issue as a tester.
>
> We know this, and it is due to power saving; i.e. tradeoff between
> latency and power saving. We are thinking how to improve it entirely.
>
> --
> Ping-Ke
>