Re: [PATCH 1/4] perf tools: Allow use of an exclusive option more than once

From: Arnaldo Carvalho de Melo
Date: Mon Jan 12 2015 - 09:02:37 EST


Em Mon, Jan 12, 2015 at 08:44:23PM +0900, Masami Hiramatsu escreveu:
> (2015/01/10 19:33), Namhyung Kim wrote:
> > The exclusive options are to prohibit use of conflicting options at the
> > same time. But it had a side effect that it also limits a such option
> > can be used at most once. Currently the only user of the flag is perf
> > probe and it allows to use such options more than once, but when one
> > tries to use it, perf will fail like below:
> >
> > $ sudo perf probe -x /lib/libc-2.20.so --add malloc --add free
> > Error: option `add' cannot be used with add
> > ...
> >
> > Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
>
> Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>

Thanks, applied to perf/urgent

> Thanks!
>
> > Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
> > ---
> > tools/perf/util/parse-options.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c
> > index f62dee7bd924..4a015f77e2b5 100644
> > --- a/tools/perf/util/parse-options.c
> > +++ b/tools/perf/util/parse-options.c
> > @@ -46,7 +46,7 @@ static int get_value(struct parse_opt_ctx_t *p,
> > return opterror(opt, "is not usable", flags);
> >
> > if (opt->flags & PARSE_OPT_EXCLUSIVE) {
> > - if (p->excl_opt) {
> > + if (p->excl_opt && p->excl_opt != opt) {
> > char msg[128];
> >
> > if (((flags & OPT_SHORT) && p->excl_opt->short_name) ||
> >
>
>
> --
> Masami HIRAMATSU
> Software Platform Research Dept. Linux Technology Research Center
> Hitachi, Ltd., Yokohama Research Laboratory
> E-mail: masami.hiramatsu.pt@xxxxxxxxxxx
>
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