linux-kernel - Re: [PATCH 3/3] perf list: Add 'pfm' to list libpfm4 events

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Date:   Wed, 23 Sep 2020 07:42:41 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Stephane Eranian <eranian@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>
Subject: Re: [PATCH 3/3] perf list: Add 'pfm' to list libpfm4 events

Hi Jiri,

On Wed, Sep 23, 2020 at 5:42 AM Jiri Olsa <jolsa@...hat.com> wrote:
>
> On Wed, Sep 09, 2020 at 02:58:49PM +0900, Namhyung Kim wrote:
>
> SNIP
>
> >  int parse_events__is_hardcoded_term(struct parse_events_term *term)
> > diff --git a/tools/perf/util/pfm.c b/tools/perf/util/pfm.c
> > index d735acb6c29c..26ae2c8c0932 100644
> > --- a/tools/perf/util/pfm.c
> > +++ b/tools/perf/util/pfm.c
> > @@ -12,6 +12,7 @@
> >  #include "util/parse-events.h"
> >  #include "util/pmu.h"
> >  #include "util/pfm.h"
> > +#include "util/string2.h"
> >
> >  #include <string.h>
> >  #include <linux/kernel.h>
> > @@ -227,7 +228,7 @@ print_libpfm_events_raw(pfm_pmu_info_t *pinfo, pfm_event_info_t *info)
> >               printf("%s::%s\n", pinfo->name, info->name);
> >  }
> >
> > -void print_libpfm_events(bool name_only, bool long_desc)
> > +void print_libpfm_events(const char *event_glob, bool name_only, bool long_desc)
> >  {
> >       pfm_event_info_t info;
> >       pfm_pmu_info_t pinfo;
> > @@ -265,6 +266,9 @@ void print_libpfm_events(bool name_only, bool long_desc)
> >                       if (ret != PFM_SUCCESS)
> >                               continue;
> >
> > +                     if (event_glob && !strglobmatch_nocase(info.name, event_glob))
> > +                             continue;
>
> you could mentioned in changelog that it also enables glob
> matching for pfm events.. but other than then looks ok

Well, I have mentioned it in the changelog.. :)
Do you want an example?

>
> Acked/Tested-by: Jiri Olsa <jolsa@...nel.org>

Thanks
Namhyung

>
> > +
> >                       if (!name_only && !printed_pmu) {
> >                               printf("%s:\n", pinfo.name);
> >                               printed_pmu = true;
> > diff --git a/tools/perf/util/pfm.h b/tools/perf/util/pfm.h
> > index 7d70dda87012..036e2d97b260 100644
> > --- a/tools/perf/util/pfm.h
> > +++ b/tools/perf/util/pfm.h
> > @@ -13,7 +13,7 @@
> >  int parse_libpfm_events_option(const struct option *opt, const char *str,
> >                       int unset);
> >
> > -void print_libpfm_events(bool name_only, bool long_desc);
> > +void print_libpfm_events(const char *event_glob, bool name_only, bool long_desc);
> >
> >  #else
> >  #include <linux/compiler.h>
> > @@ -26,7 +26,8 @@ static inline int parse_libpfm_events_option(
> >       return 0;
> >  }
> >
> > -static inline void print_libpfm_events(bool name_only __maybe_unused,
> > +static inline void print_libpfm_events(const char *event_glob __maybe_unused,
> > +                                    bool name_only __maybe_unused,
> >                                      bool long_desc __maybe_unused)
> >  {
> >  }
> > --
> > 2.28.0.526.ge36021eeef-goog
> >
>