Re: [PATCH v2 1/3] perf test: Pass the verbose option to shell tests

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On Tue, Jun 22, 2021 at 10:54 AM Arnaldo Carvalho de Melo
<acme@xxxxxxxxxx> wrote:
>
> Em Tue, Jun 22, 2021 at 02:45:51PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Mon, Jun 21, 2021 at 02:56:46PM -0700, Ian Rogers escreveu:
> > > Having a verbose option will allow shell tests to provide extra failure
> > > details when the fail or skip.
> > >
> > > Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
> > > ---
> > >  tools/perf/tests/builtin-test.c | 7 +++++--
> > >  1 file changed, 5 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
> > > index cbbfe48ab802..e1ed60567b2f 100644
> > > --- a/tools/perf/tests/builtin-test.c
> > > +++ b/tools/perf/tests/builtin-test.c
> > > @@ -577,10 +577,13 @@ struct shell_test {
> > >  static int shell_test__run(struct test *test, int subdir __maybe_unused)
> > >  {
> > >     int err;
> > > -   char script[PATH_MAX];
> > > +   char script[PATH_MAX + 3];
> >
> > This looks strange, i.e. if it is a _path_ _MAX_, why add 3 chars past
> > that max when generating a _path_? I'll drop the above hunk and keep the
> > rest, ok?
>
> Oh well, its not a path after all, its something that is passed to
> system(), the use of PATH_MAX seems arbitrary, so your patch wasn't
> wrong, but since it is arbitrary, I'll keep it at PATH_MAX and reduce
> the patch size 8-)
>
> - Arnaldo

Works for me. Thanks,

Ian

> > >     struct shell_test *st = test->priv;
> > >
> > > -   path__join(script, sizeof(script), st->dir, st->file);
> > > +   path__join(script, sizeof(script) - 3, st->dir, st->file);
> > > +
> > > +   if (verbose)
> > > +           strncat(script, " -v", sizeof(script) - strlen(script) - 1);
> > >
> > >     err = system(script);
> > >     if (!err)
>
> --
>
> - Arnaldo



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