From 264a034099b6e3c76fae85e75329373f3652a033 Mon Sep 17 00:00:00 2001 From: Kajol Jain Date: Sat, 3 Oct 2020 13:19:40 +0530 Subject: [PATCH] Documentation/ABI: Add ABI documentation for hv-24x7 format This patch adds ABI documentation for hv-24x7 format. Signed-off-by: Kajol Jain Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20201003074943.338618-2-kjain@linux.ibm.com --- .../sysfs-bus-event_source-devices-hv_24x7 | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 index e82fc37be802..2273627df190 100644 --- a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 @@ -1,3 +1,28 @@ +What: /sys/bus/event_source/devices/hv_24x7/format +Date: September 2020 +Contact: Linux on PowerPC Developer List +Description: Read-only. Attribute group to describe the magic bits + that go into perf_event_attr.config for a particular pmu. + (See ABI/testing/sysfs-bus-event_source-devices-format). + + Each attribute under this group defines a bit range of the + perf_event_attr.config. All supported attributes are listed + below. + + chip = "config:16-31" + core = "config:16-31" + domain = "config:0-3" + lpar = "config:0-15" + offset = "config:32-63" + vcpu = "config:16-31" + + For example, + + PM_PB_CYC = "domain=1,offset=0x80,chip=?,lpar=0x0" + + In this event, '?' after chip specifies that + this value will be provided by user while running this event. + What: /sys/bus/event_source/devices/hv_24x7/interface/catalog Date: February 2014 Contact: Linux on PowerPC Developer List