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From: Sitsofe Wheeler <sitsofe@yahoo.com>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>, Arjan van de Ven <arjan@infradead.org>
Subject: Re: How how latent should non-preemptive scheduling be?
Date: Wed, 17 Sep 2008 22:28:33 +0100	[thread overview]
Message-ID: <48D17681.4040109@yahoo.com> (raw)
In-Reply-To: <48D1741A.7010508@yahoo.com>

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...

  reply	other threads:[~2008-09-17 21:28 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-17 21:18 Sitsofe Wheeler
2008-09-17 21:28 ` Sitsofe Wheeler [this message]
2008-09-17 21:34 ` Arjan van de Ven
2008-09-21 20:56 ` Matt Keenan
2008-09-22  6:50   ` Sitsofe Wheeler
     [not found] <fa.vMKgvqjqmYnI2J40GHoTENeYm8U@ifi.uio.no>
     [not found] ` <fa.808p0ZtU9DCpeky4KfNS8Drdw9w@ifi.uio.no>
2008-09-17 21:48   ` Sitsofe Wheeler
2008-09-17 21:54     ` Arjan van de Ven
2008-09-17 22:29       ` Sitsofe Wheeler
2008-09-18  2:42       ` Peter Zijlstra
2008-09-18 18:25         ` Sitsofe Wheeler
2008-09-19  8:44           ` Ingo Molnar
     [not found] <fa.ERZTl/6uH+mhNoef5fPJKTRjJag@ifi.uio.no>
     [not found] ` <fa.PtPFzP5kIJVCCov6YCewrh+o4z4@ifi.uio.no>
     [not found]   ` <fa.C6WSm5Rh2Nb+Qho7b0qDOZ9RPV8@ifi.uio.no>
     [not found]     ` <fa.ch6j4qXs/2sFpLkHz5fXrtjTR8c@ifi.uio.no>
     [not found]       ` <fa.Jx/Ygtm46CVRawlA6OnfYNn6cN0@ifi.uio.no>
2008-09-18  7:26         ` Sitsofe Wheeler
     [not found]         ` <fa.iIHgL48F3T5VAqFw3mqaf9Pzrs4@ifi.uio.no>
     [not found]           ` <fa.Td8xkKZKMSMghlJmEYefTRVF2kc@ifi.uio.no>
2008-09-19 11:54             ` Sitsofe Wheeler
2008-09-19 14:20               ` Peter Zijlstra
2008-09-22 11:57               ` Ingo Molnar
2008-09-22 12:07                 ` Steven Rostedt
2008-09-23  6:33                 ` Sitsofe Wheeler
2008-09-23 11:53                   ` Ingo Molnar
2008-09-23 16:30                     ` Sitsofe Wheeler
2008-09-23 19:39                       ` Sitsofe Wheeler
2008-09-23 22:01                         ` Sitsofe Wheeler
2008-09-27 20:48                           ` Ingo Molnar
2008-09-28 20:56                             ` Sitsofe Wheeler
2008-09-29  8:37                               ` Ingo Molnar
2008-09-29 23:11                                 ` Sitsofe Wheeler
2008-09-30 11:22                                   ` Ingo Molnar
2008-09-30 13:18                                     ` Sitsofe Wheeler

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