[RFC v2 3/4] powerpc/papr_scm: Document papr_scm sysfs event format entries
From: Kajol Jain <hidden>
Date: 2021-05-25 13:23:42
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
This patch add event format and events details in ABI documentation Signed-off-by: Kajol Jain <redacted> --- Documentation/ABI/testing/sysfs-bus-papr-pmem | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-bus-papr-pmem b/Documentation/ABI/testing/sysfs-bus-papr-pmem
index 92e2db0e2d3d..38c4daf65af2 100644
--- a/Documentation/ABI/testing/sysfs-bus-papr-pmem
+++ b/Documentation/ABI/testing/sysfs-bus-papr-pmem@@ -59,3 +59,28 @@ Description: * "CchRHCnt" : Cache Read Hit Count * "CchWHCnt" : Cache Write Hit Count * "FastWCnt" : Fast Write Count + +What: /sys/devices/nmemX/format +Date: May 2021 +Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-nvdimm@lists.01.org, +Description: (RO) 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. Supported attribute is listed + below:: + + event = "config:0-4" - event ID + + For example:: + noopstat = "event=0x1" + +What: /sys/devices/nmemX/events +Date: May 2021 +Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-nvdimm@lists.01.org, +Description: (RO) Attribute group to describe performance monitoring + events specific to papr-scm. Each attribute in this group describes + a single performance monitoring event supported by this nvdimm pmu. + The name of the file is the name of the event. + (See ABI/testing/sysfs-bus-event_source-devices-events).
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2.27.0