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Date:   Sat, 9 Mar 2019 18:21:23 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Stephane Eranian <eranian@...gle.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>
Subject: Re: [PATCH 04/11] perf data: Make perf_data__size to work over
 directory

On Fri, Mar 08, 2019 at 02:33:05PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Mar 08, 2019 at 02:47:38PM +0100, Jiri Olsa escreveu:
> > Making perf_data__size to return proper size
> > for directory data.
> > 
> > Link: http://lkml.kernel.org/n/tip-t4dm8cctat2ginmy2bb08xe8@git.kernel.org
> > Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> > ---
> >  tools/perf/util/data.c | 17 +++++++++++++++++
> >  tools/perf/util/data.h |  6 +-----
> >  2 files changed, 18 insertions(+), 5 deletions(-)
> > 
> > diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
> > index d568975c5ee3..498c531e2cb9 100644
> > --- a/tools/perf/util/data.c
> > +++ b/tools/perf/util/data.c
> > @@ -393,3 +393,20 @@ int perf_data__switch(struct perf_data *data,
> >  	free(new_filepath);
> >  	return ret;
> >  }
> > +
> > +unsigned long perf_data__size(struct perf_data *data)
> > +{
> > +	u64 size = data->file.size;
> > +	int i;
> > +
> > +	if (!data->is_dir)
> > +		return size;
> 
> So you do the sum over dir.files[i] _plus_ what is in data->file.size,
> what is in data->file.size? Zero for the dir case? Or some non-per-cpu
> metadata?

yes, saw the updated changelong, thanks

jirka

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