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Re: ext2fs kernel profiling: most of the time in thread management
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From: |
Jérémie Koenig |
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Subject: |
Re: ext2fs kernel profiling: most of the time in thread management |
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Date: |
Fri, 30 Dec 2011 12:46:39 +0100 |
On Thu, Dec 29, 2011 at 1:25 AM, Samuel Thibault
<samuel.thibault@gnu.org> wrote:
> [...], but I believe it's still a bit revealing: I had already noticed
> that ext2fs spends most of its time in the kernel (like 90%), and it
> here seems we're spending a lot of time just managing the ext2fs thread
> sleeps (no, there aren't many threads in that test, just two dozen).
Could thread migration [1] maybe help with this?
[1] http://www.brynosaurus.com/pub/os/thread-migrate.pdf
--
Jérémie Koenig <jk@jk.fr.eu.org>
http://jk.fr.eu.org/