Merge branch 'acpi-ec'
[linux-drm-fsl-dcu.git] / Documentation / ABI / testing / sysfs-bus-event_source-devices-events
index 20979f8b3edbc48645e4e274772b4ebd26987962..505f080d20a14c5d4d9b20c0088aa47b52345c56 100644 (file)
@@ -52,12 +52,18 @@ Description:        Per-pmu performance monitoring events specific to the running syste
                        event=0x2abc
                        event=0x423,inv,cmask=0x3
                        domain=0x1,offset=0x8,starting_index=0xffff
+                       domain=0x1,offset=0x8,core=?
 
                Each of the assignments indicates a value to be assigned to a
                particular set of bits (as defined by the format file
                corresponding to the <term>) in the perf_event structure passed
                to the perf_open syscall.
 
+               In the case of the last example, a value replacing "?" would
+               need to be provided by the user selecting the particular event.
+               This is referred to as "event parameterization". Event
+               parameters have the format 'param=?'.
+
 What: /sys/bus/event_source/devices/<pmu>/events/<event>.unit
 Date: 2014/02/24
 Contact:       Linux kernel mailing list <linux-kernel@vger.kernel.org>