Messages in this thread | | | Date | Tue, 19 Jun 2012 08:09:31 +0200 | Subject | Re: [PATCH] perf stat: Fix default logfd to use stderr | From | Stephane Eranian <> |
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On Tue, Jun 19, 2012 at 4:13 AM, Namhyung Kim <namhyung@kernel.org> wrote: > Hi, Robert > > On Mon, 18 Jun 2012 16:51:08 +0200, Robert Richter wrote: >> On 29.09.11 18:48:01, Arnaldo Carvalho de Melo wrote: >>> From: Jim Cromie <jim.cromie@gmail.com> >>> >>> This perf stat option emulates valgrind's --log-fd option, allowing the >>> user to send perf results elsewhere, and leaving stderr for use by the >>> program under test. This complements --output file option, and is >>> mutually exclusive with it. >>> >>> 3>results perf stat --log-fd 3 -- $cmd >>> 3>>results perf stat --log-fd 3 --append -- $cmd >>> >>> The perl distro's make test.valgrind target uses valgrind's --log-fd >>> option, I've adapted it to invoke perf also, and tested this patch >>> there. >>> >>> Link: http://lkml.kernel.org/r/1315437244-3788-2-git-send-email-jim.cromie@gmail.com >>> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> >>> Signed-off-by: Jim Cromie <jim.cromie@gmail.com> >>> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> >> >> With certain shell redirections this (56f3bae) fails with a log fd >> setup failure. Fix below. >> > > It looks somewhat related to Stephane's patch. Can you we check it too? > > http://lkml.indiana.edu/hypermail/linux/kernel/1205.1/04232.html > Yes, my patch is needed and it was posted over a month ago now..... Arnaldo, please apply my patch.
> Thanks, > Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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