lkml.org 
[lkml]   [2012]   [Jun]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH] perf stat: Fix default logfd to use stderr
From
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/

\
 
 \ /
  Last update: 2012-06-19 08:41    [W:0.146 / U:1.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site