Re: [PATCH 6/8] perf data: Switch to multiple cpu stream files

From: Jiri Olsa
Date: Tue Dec 09 2014 - 05:19:16 EST


On Mon, Dec 08, 2014 at 05:17:44PM +0900, Namhyung Kim wrote:
> On Thu, Dec 4, 2014 at 1:24 AM, Jiri Olsa <jolsa@xxxxxxxxxx> wrote:
> > +static int setup_streams(struct ctf_writer *cw, struct perf_session *session)
> > +{
> > + struct ctf_stream **stream;
> > + struct perf_header *ph = &session->header;
> > + int ncpus;
> > +
> > + /*
> > + * Try to get the number of cpus used in the data file,
> > + * if not present fallback to the MAX_CPUS.
> > + */
> > + if (!ph)
>
> I think this check is meaningless since perf_header struct is embedded
> in perf_session so it shouldn't be NULL when refered from a session..

right, it's actually different in the git, I used:

if (!ph || !ph->env.nr_cpus_avail)
ncpus = MAX_CPUS;

I attached slightyl older version in email :-\

anyway, I'll send v2 shortly

thanks,
jirka
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