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SubjectRe: [PATCH 0/8] perf buildid-cache: Add clean command
On Wed, Dec 03, 2014 at 05:13:06PM +0900, Namhyung Kim wrote:
> Hi Arnaldo and Jiri,
>
> On Tue, Dec 2, 2014 at 11:10 PM, Arnaldo Carvalho de Melo
> <acme@redhat.com> wrote:
> > Em Tue, Dec 02, 2014 at 01:25:18PM +0100, Jiri Olsa escreveu:
> >> On Mon, Dec 01, 2014 at 08:29:19PM -0200, Arnaldo Carvalho de Melo wrote:
> >
> >> SNIP
> >
> >> > [acme@sandy wb]$
> >
> >> > If we keep the way it is, I think it would be clearer to add a -l/--list
> >> > command and that would:
> >
> >> > perf buildid-cache --list # list all the files in the cache
> >> > perf buildid-cache --list 3d # list 3 days old files
> >> > perf buildid-cache --list +3d # list files 3 days or more older
> >> > perf buildid-cache --list -3d # list files up to 3 days old
> >
> >> ok, I was up to old files (and big files) removal only.. not sure
> >> the other way will be actually needed.. but it's easy enought to
> >> add
> >
> > Right, I was thinking something along the lines of checking how much
> > space would be needed if I wanted to keep X days of cache, not how much
> > space I would free if I purged files older than Y days.
>
> Btw, which timestamp do you use for the checking? It'd be great if we
> can use atime but some system might use the noatime..

I used atime.. will need to check, I wasnt aware of this

SNIP

> >
> >> >
> >> > > Remove and display items bigger than 200M
> >> > > $ perf buildid-cache clean -r -a 200M
> >
> >> > But yeah, perhaps we could switch to having subcommands and add:
> >
> >> > perf buildid-cache [add|remove|update|list]
> >
> >> > What do you think?
> >
> >> yep, those commands seem nicer..
> >
> >> let's see of there're other comments and I'll come up with
> >> new interface after..
>
> I also like the subcommand style.. What about git-like format to
> specify time range?
>
> perf buildid-cache list --since '3 days ago'
> perf buildidi-cache remove --before '1 month ago'

yea, thats more readable, I'll check git sources.. hopefully they use
this in some steal-able way ;-)

jirka


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