Re: [PATCH 4/7] perf bpf: Decouple creating the evlist from adding the SB event

From: Arnaldo Carvalho de Melo
Date: Tue Apr 28 2020 - 13:21:41 EST


Em Tue, Apr 28, 2020 at 11:48:51AM +0200, Jiri Olsa escreveu:
> On Mon, Apr 27, 2020 at 06:19:32PM -0300, Arnaldo Carvalho de Melo wrote:
> > From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> >
> > Renaming bpf_event__add_sb_event() to evlist__add_sb_event() and
> > requiring that the evlist be allocated beforehand.
>
> hum, this seems to be done in previous patch, maybe you
> need to squash this with the previous one?

Right, doing it now.

> jirka
>
> >
> > This will allow using the same side band thread and evlist to be used
> > for multiple purposes in addition to react to PERF_RECORD_BPF_EVENT soon
> > after they are generated.
> >
> > Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> > Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
> > Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
> > Cc: Song Liu <songliubraving@xxxxxx>
> > Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> > ---
> > tools/perf/util/bpf-event.h | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/tools/perf/util/bpf-event.h b/tools/perf/util/bpf-event.h
> > index 2c7a50509659..68f315c3df5b 100644
> > --- a/tools/perf/util/bpf-event.h
> > +++ b/tools/perf/util/bpf-event.h
> > @@ -45,7 +45,7 @@ static inline int machine__process_bpf(struct machine *machine __maybe_unused,
> > return 0;
> > }
> >
> > -static inline int evlist__add_bpf_sb_event(struct evlist **evlist __maybe_unused,
> > +static inline int evlist__add_bpf_sb_event(struct evlist *evlist __maybe_unused,
> > struct perf_env *env __maybe_unused)
> > {
> > return 0;
> > --
> > 2.21.1
> >
>

--

- Arnaldo