Odd performance problem (hitching)

Daniel O'Connor doconnor at gsoft.com.au
Thu Sep 8 01:01:38 PDT 2005

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 != 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 with 
totally different hardware so I don't think it is X per se - perhaps just 
that I only open enough files when in X to test it.

I really need to do more testing but ENOTIME :(

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
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-current/attachments/20050908/e87538f6/attachment.bin

More information about the freebsd-current mailing list