Re: hangs running dbench with 16 clients

[Andi Kleen <ak@xxxxxxx>]

> The one thing missing there is kdb has all this xfs support code 
> in it for walking data structures and formatting them up nicely.
> I know you can do structure walks, but kdb understands a lot about
> xfs.

I guess you could rewrite that using gdb macros, but it would 
be some work ;-)

Actually I think the -mm kgdb supports remote calls, so you could do
you could do p kdb_xfs_command() and catch the output using the 
gdbconsole.

> 
> Meanwhile dbench has been running on vanilla 2.5.72 and TOT xfs for
> several hours here without a hang.

I can give it a try on a 4CPU box and see if sometimes turns up.

-Andi