[RFC] perf-cache command interface design

[Arnaldo Carvalho de Melo]

Em Fri, Nov 07, 2014 at 08:16:09AM -0700, David Ahern escreveu:
> On 11/7/14, 1:42 AM, Peter Zijlstra wrote:
> >On Fri, Nov 07, 2014 at 05:21:08PM +0900, Masami Hiramatsu wrote:
> >>The paths of buildid cache of binary/symbols are not changed.
> >
> >Could we get an option in .perfconfig to disable the buildid cache? Its
> >pointless diskspace wastage for some of us.
> 
> I was going to respond with the same. This:
> 
> [buildid]
>    # Default, disable using /dev/null
>    dir = /dev/null
> 
> disables the build-id cache. Hopefully that extends to all the other
> caches getting discussed.

I think this can even be something Kconfig'ed, and we can provide a
.config file for people like Peter that want as barebone a perf he can
get over with :-)

/me needs to try that last perf Kconfig patchkit...

- Arnaldo