Date: Thu, 8 Sep 2005 17:31:27 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Don Lewis <truckman@freebsd.org> Cc: freebsd-current@freebsd.org, killing@multiplay.co.uk, kabaev@gmail.com Subject: Re: Odd performance problem (hitching) Message-ID: <200509081731.28809.doconnor@gsoft.com.au> In-Reply-To: <200509080749.j887nt2i038384@gw.catspoiler.org> References: <200509080749.j887nt2i038384@gw.catspoiler.org>
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On Thursday 08 September 2005 17:19, Don Lewis wrote:
> On 8 Sep, Steven Hartland wrote:
> > There was a vfs patch a while back which fixed an FS based
> > hitching problem for us here but would have thought that
> > would be in current by now.
> > Patch was for usr/src/sys/kern/vfs_bio.c
> > it added a "while (flushed !=3D target) {" loop.
>
> <http://www.chesapeake.net/~jroberson/flushbuf.diff>?
>
> Looks like it was committed to vfs_bio.c 1.487 on June 8th, which was
> before the RELENG_6 branch.
I have 1.493 of vfs_bio.c so..
Doesn't look like that is the candidate :)
It seems to only happen in X, but it does happen to another guy at work wit=
h=20
totally different hardware so I don't think it is X per se - perhaps just=20
that I only open enough files when in X to test it.
I really need to do more testing but ENOTIME :(
=2D-=20
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
-- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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