Re: How how latent should non-preemptive scheduling be?

From: Sitsofe Wheeler
Date: Wed Sep 17 2008 - 17:28:46 EST

Next message: Balbir Singh: "Re: [PATCH] Fix declaration of cgroup_mm_owner_callbacks"
Previous message: Pekka Enberg: "Re: [PATCH] Fix declaration of cgroup_mm_owner_callbacks"
In reply to: Sitsofe Wheeler: "How how latent should non-preemptive scheduling be?"
Next in thread: Arjan van de Ven: "Re: How how latent should non-preemptive scheduling be?"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Sitsofe Wheeler wrote:

I have an EeePC 900 (Intel Celeron 900Mhz) and it seems to be skipping while playing sound through various desktop apps with a 2.6.27rc6 kernel. It is running off an SD card which really shows up slow writes but the sound is seemingly skipping even when ext3 is not being used. When look at latencytop I often see results similar to this:

One other small datapoint. When the skipping starts to occur regularly it seems to be exactly 30 seconds apart. ALSA doesn't report any xruns either...
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

Next message: Balbir Singh: "Re: [PATCH] Fix declaration of cgroup_mm_owner_callbacks"
Previous message: Pekka Enberg: "Re: [PATCH] Fix declaration of cgroup_mm_owner_callbacks"
In reply to: Sitsofe Wheeler: "How how latent should non-preemptive scheduling be?"
Next in thread: Arjan van de Ven: "Re: How how latent should non-preemptive scheduling be?"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]