Re: [PATCH] Invalidate_inodes can be very slow

[William Lee Irwin III <wli@holomorphy.com>]

At some point in the past, I wrote:
>> Sorry if I was unclear, I had in mind SMP performance testing of mount
>> and unmount -heavy workloads, like uni setups with many automounted fs's,
>> not stability testing per se.

On Mon, Oct 13, 2003 at 04:02:20PM +0400, Kirill Korotaev wrote:
> Oh, sorry for misunderstanding.
> In our internal testcase on 8-CPU 8Gb RAM machine with 4gb split kernel
> w/o this patch mount/umount test longs in many-many (>10) times longer.
> Moreover, during the test machine is very slow (due to lock_kernel)
> and typing simple commands takes up to 30 seconds or so.
> I think such a long hangs are due to number of umounts executed
> subsequently. But ofcourse it's not numbers, just for you to know where
> the patch comes from :)

Is this testcase available and/or trivial? Actually, even if it's trivial
it might just save us the pain of writing the scripts ourselves.


-- wli