Re: [PATCH 2/2] perf stat: Fix invalid output handle

From: Arnaldo Carvalho de Melo
Date: Mon Dec 05 2022 - 08:07:48 EST


Em Sun, Dec 04, 2022 at 10:38:28PM +0530, Athira Rajeev escreveu:
>
>
> > On 01-Dec-2022, at 3:36 PM, James Clark <james.clark@xxxxxxx> wrote:
> >
> >
> >
> > On 30/11/2022 18:32, Namhyung Kim wrote:
> >> On Wed, Nov 30, 2022 at 3:15 AM James Clark <james.clark@xxxxxxx> wrote:
> >>>
> >>> In this context, 'os' is already a pointer so the extra dereference
> >>> isn't required. This fixes the following test failure on aarch64:
> >>>
> >>> $ ./perf test "json output" -vvv
> >>> 92: perf stat JSON output linter :
> >>> --- start ---
> >>> Checking json output: no args Test failed for input:
> >>> ...
> >>> Fatal error: glibc detected an invalid stdio handle
> >>> ---- end ----
> >>> perf stat JSON output linter: FAILED!
> >>>
> >>> Fixes: e7f4da312259 ("perf stat: Pass struct outstate to printout()")
> >>> Signed-off-by: James Clark <james.clark@xxxxxxx>
> >>
> >> Thanks for fixing this. I'm not sure how I missed it.. :(
> >>
> >
> > It seems to only go down that path on some configuration. At least on
> > x86 the test was passing fine for me.
> >
> >> Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>
> >
> > Thanks for the review!
>
> Faced same issue on powerpc. Tested with this change and it works with this patch.
>
> Tested-by: Athira Rajeev <atrajeev@xxxxxxxxxxxxxxxxxx>

Thanks, applied.

- Arnaldo