Re: [PATCH] perf tools: Add rootfs option for off-box analysis using specified tree

[Arnaldo Carvalho de Melo <acme@ghostprotocols.net>]

Em Sun, Nov 21, 2010 at 10:02:24AM -0700, David S. Ahern escreveu:
> 
> 
> On 11/21/10 09:34, Arnaldo Carvalho de Melo wrote:
> > Em Sun, Nov 21, 2010 at 09:17:55AM -0700, y@cisco.com escreveu:
> >> From: David Ahern <daahern@cisco.com>
> >>
> >> The rootfs argument allows analysis of perf.data file using a locally
> >> accessible filesystem tree with debug symbols - e.g.,  loop mounted
> >> KVM disk images, NFS, USB keys, initrds, etc. Anything with an OS tree
> >> can be analyzed from anywhere without the need to populate a local
> >> data store with build-ids.
> > 
> > Patch looks sane after quick look, just in doubt if "rootfs" is a good
> > name for this, will look if this can be somehow combined with the kvm
> > parameters.
> 
> I do want to have the ability to analyze a KVM hosted VM using an
> external tree as well. e.g., --guestmount points to an sshfs mount and
> --rootfs points to a tree with symbols for the stripped image running in
> the VM.

So perhaps --symfs would be better? "root" seems vague here.
 
- Arnaldo