On Mon, Jul 15, 2013 at 05:38:15PM -0400, Vince Weaver wrote: > > Add documentation for various files perf_event creates under > /sys/bus/event_source/devices/<dev>/ > > Signed-off-by: Vince Weaver <vincent.wea...@maine.edu> > > diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices > b/Documentation/ABI/testing/sysfs-bus-event_source-devices > new file mode 100644 > index 0000000..ffa2e4b > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices > @@ -0,0 +1,50 @@ > +What: /sys/bus/event_source/devices/<dev>/cpumask > + > +Date: 2012/09/10 > +
nit, white space above > +Contact: Linux kernel mailing list <linux-ker...@vger.kernel.org> > + > +Description: This value holds a representative core for each > + socket in a system. It is meant to help when > + creating a perf_event event for socket-wide events > + like uncore and northbridge events. > + > + The format is a comma separated list of cpu numbers, > + one for each socket in the system that the PMU in > + question can run on. > + > + For example, on a two-socket Sandybridge-EP machine and > + the cbox0 uncore the value of the file will be: > + 0,8 > + nit, white space above > + > + > +What: /sys/bus/event_source/devices/cpu/rdpmc > + > +Date: 2011/11/20 > + > +Contact: Linux kernel mailing list <linux-ker...@vger.kernel.org> > + > +Description: Indicates whether a CPU allows userspace "rdpmc" > + instructions (unprivileged reads of the performance > + counter MSRs). > + > + You can echo 0 to this value to disable user rdpmc > + access. > + > + > + > +What: /sys/bus/event_source/devices/<dev>/type > + > +Date: 2013/01/08 > + > +Contact: Linux kernel mailing list <linux-ker...@vger.kernel.org> > + > +Description: This value holds the PMU (Performance Monitor Unit) type > + value that is passed into the perf_event_open() > + attr:type field when opening an event. > + > + The value is a decimal integer. > + > + > + Acked-by: Jiri Olsa <jo...@redhat.com> thanks, jirka -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
