linux-kernel - Re: [PATCH 22/25] perf buildid-cache: Add support to add build ids from perf data

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Message-ID: <CAM9d7ch5Fncu1ddKcAur_H91H36e+R52J=90Z8R5vZHs8bQMQA@mail.gmail.com>
Date:   Wed, 25 Nov 2020 22:04:38 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>,
        Song Liu <songliubraving@...com>,
        Ian Rogers <irogers@...gle.com>,
        Stephane Eranian <eranian@...gle.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>
Subject: Re: [PATCH 22/25] perf buildid-cache: Add support to add build ids
 from perf data

On Wed, Nov 25, 2020 at 10:00 PM Namhyung Kim <namhyung@...nel.org> wrote:
>
> On Tue, Nov 24, 2020 at 8:06 AM Jiri Olsa <jolsa@...nel.org> wrote:
> > diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
> > index a25411926e48..0bfb54ee1e5e 100644
> > --- a/tools/perf/builtin-buildid-cache.c
> > +++ b/tools/perf/builtin-buildid-cache.c
> > @@ -29,6 +29,11 @@
> >  #include "util/probe-file.h"
> >  #include <linux/string.h>
> >  #include <linux/err.h>
> > +#include <linux/zalloc.h>
> > +#include <sys/stat.h>
> > +#ifdef HAVE_DEBUGINFOD_SUPPORT
> > +#include <elfutils/debuginfod.h>
> > +#endif
> >
> >  static int build_id_cache__kcore_buildid(const char *proc_dir, char *sbuildid)
> >  {
> > @@ -348,6 +353,205 @@ static int build_id_cache__show_all(void)
> >         return 0;
> >  }
> >
> > +#ifdef HAVE_DEBUGINFOD_SUPPORT
>
> I think this part belongs to the next patch...?
>
> Thanks,
> Namhyung

Oh, I've missed we already have the debuginfod support.

Thanks,
Namhyung