Messages in this thread | | | Date | Thu, 20 Dec 2012 11:27:06 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH 2/3] perf x86: Add precise sysfs attribute |
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On Wed, Dec 19, 2012 at 09:34:30PM -0800, Greg KH wrote: > On Wed, Dec 19, 2012 at 04:07:21PM +0100, Jiri Olsa wrote: > > Adding sysfs precise attribute for cpu device (/sys/devices/cpu) > > to show the maximum value for perf event precise attribute. > > > > This will be initialy used for automated precise event perf test > > and could be helpful otherwise. Arnaldo suggested to use this as > > a guide for default adding of precise attribute for HW events. > > > > Signed-off-by: Jiri Olsa <jolsa@redhat.com> > > Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> > > Cc: Frederic Weisbecker <fweisbec@gmail.com> > > Cc: Ingo Molnar <mingo@elte.hu> > > Cc: Namhyung Kim <namhyung@kernel.org> > > Cc: Paul Mackerras <paulus@samba.org> > > Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> > > Cc: Arnaldo Carvalho de Melo <acme@redhat.com> > > --- > > arch/x86/kernel/cpu/perf_event.c | 34 +++++++++++++++++++++++++--------- > > 1 file changed, 25 insertions(+), 9 deletions(-) > > As you are adding a new sysfs file, you must also document it with an > entry in Documentation/ABI/
will do, thanks jirka
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