lkml.org 
[lkml]   [2001]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [linux-audio-dev] low-latency scheduling patch for 2.4.0
"David S. Miller" wrote:
> 2) It affects only code which can burn a lot of cpu without
> scheduling. Compare this to schemes which make the kernel
> fully pre-emptable, causing _EVERYONE_ to pay the price of
> low-latency....

Is there necessarily a price? Kernel preemption can make io-bound code
go faster by allowing a blocked task to start running again immediately
on io completion. As things are now, the task will have to wait for
whatever might be happening in the kernel to complete.

--
Daniel
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:28    [from the cache]
©2003-2011 Jasper Spaans