Date: Sun, 4 Apr 2021 20:41:03 +0100 From: Santiago Martinez <sm@codenetworks.net> To: Alastair Hogge <agh@riseup.net>, Hans Petter Selasky <hps@selasky.org> Cc: freebsd-current@freebsd.org Subject: Re: freebsd 13 ryzen micro stutter Message-ID: <f16e1f13-1af3-11cb-e3bb-b6846c3cbac5@codenetworks.net> In-Reply-To: <ec0b7ced3143c68a4a0b1bff6dd7e4ac@riseup.net> References: <d793c8b7-e0e2-e0d9-3ecd-923134d15bf3@twcny.rr.com> <20210323101146.18c9a969@bsd64.grem.de> <ED533759-D326-45D5-8AE2-51CB10763A1E@unrelenting.technology> <677da81d7af9781be6b46c7cba4efd05@riseup.net> <54768f44-c110-d58a-1e7b-61843cde754e@codenetworks.net> <9638abfe-fd9e-6855-b3c7-ee796d1c5ce5@codenetworks.net> <2a4dad60-f1b8-8d48-337a-d23893a84f04@selasky.org> <ec0b7ced3143c68a4a0b1bff6dd7e4ac@riseup.net>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi Alastair and Hans, I just realized that my email went out blank. i did some further testing with the mentioned patch and I still have stutter, less often but more pronounced. I went back an set "kern.sched.steal_thresh=1" and that completely clears it, and machine works more smoothly. Santi On 3/31/21 10:35 AM, Alastair Hogge wrote: > On 2021-03-28 16:09, Hans Petter Selasky wrote: >> On 3/27/21 11:54 AM, Santiago Martinez wrote: >>> Hi, i have the same output as @Nils B. If i run with steal =2 and dtrace the micro stutter doesn't happen but as soon as i stop the dtrace script it the stutters come back again. >>> >> Here is a patch which you can try. Not sure if it helps. >> https://reviews.freebsd.org/D29467 > Thanks Hans, this reduces jitter somewhat, but it still noticeable in > Quake2. I left kern.sched.steal_thresh at 1. > > To good health, > Alastair. > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?f16e1f13-1af3-11cb-e3bb-b6846c3cbac5>