Odd performance problem (hitching)

Daniel O'Connor doconnor at gsoft.com.au
Tue Aug 30 00:40:03 GMT 2005

On Tuesday 30 August 2005 03:45, Don Lewis wrote:
> Any more info on this problem?  I just got my MFC reminder for this
> change and I don't want to request permission for the MFC until I know
> for sure that it (or 1.636, which is also has a pending MFC) isn't the
> cause of the problem.

I backed out that change and have observed no change whatsoever.

> What else is happening on machine when the symptoms occur?  I would only
> expect vfs_subr.c 1.636 and 1.642 to affect the behaviour if there was a
> lot of file system activity that put pressure on the system to free up
> vnodes.

It's my workstation/laptop so.. "a variety of things" :)

The hitching happens even when the system is idle so I think you can MFC 

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
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