launchpad-dev team mailing list archive

[Guilherme Salgado <salgado@xxxxxxxxxxxxx>]

I won't have time to investigate this, I'm afraid.  Would anybody like
to volunteer? :)

On Wed, 2010-05-26 at 08:27 +1200, Robert Collins wrote:
> It's almost certainly worth finding out. If we don't know we are at
> best guessing.
> 
> possibilities include:
>  - we didn't get pg properly on a ramdisk
>  - we're doing a lot of random seeking
>  - memory pressure is pushing stuff pagetests need out
>  - windmill is slow
>  - ...
> 
> blocktrace is probably your key friend here. That and/or systemtap.
> Martin speaks highly of 'prof' but I've not had time to play with it
> yet.
> 
> -Rob

-- 
Guilherme Salgado <https://launchpad.net/~salgado>

Attachment: signature.asc
Description: This is a digitally signed message part