From: "Meng, Fino" <fino.meng@intel.com>
To: Alec Ari <neotheuser@ymail.com>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: RE: Why X11 influences the latency of xenomai？
Date: Thu, 9 Apr 2020 01:40:22 +0000 [thread overview]
Message-ID: <407df3962dc2476794051dbbc9a1f2de@intel.com> (raw)
In-Reply-To: <1696334749.1963937.1586394200231@mail.yahoo.com>
> I have seen latency spikes caused by things in X with all DRM/KMS drivers
> disabled, only using xf86-video-vesa with Mesa software rasterizer. X can
> cause spikes without any GPU involvement, and I'm interested in this subject
> as well.
>
> Alec
If BIOS has the items, you can try set GPU frequency to minimum(100Mhz).
But if your app really need a better graphics performance,
CAT (cache allocation tech.) will help to improve realtime capability on x86_64 processor,
BR / Fino (孟祥夫)
Intel – IOTG Developer Enabling
next prev parent reply other threads:[~2020-04-09 1:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-08 8:39 Why X11 influences the latency of xenomai？ 孙世龙
2020-04-08 9:05 ` Jan Kiszka
2020-04-08 13:13 ` 孙世龙
2020-04-08 16:41 ` Jan Kiszka
2020-04-11 4:08 ` 孙世龙
2020-04-09 1:03 ` Alec Ari
2020-04-09 1:40 ` Meng, Fino [this message]
2020-04-09 4:20 ` Alec Ari
2020-04-09 6:10 ` Pierre FICHEUX
2020-04-09 12:46 ` Meng, Fino
2020-04-09 1:29 ` Meng, Fino
-- strict thread matches above, loose matches on Subject: below --
2020-04-09 10:06 Why X11 influences the latency of xenomai? 孙世龙
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