diff options
author | Kajol Jain <kjain@linux.ibm.com> | 2024-11-18 17:11:12 +0530 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2024-11-19 14:11:07 +1100 |
commit | 4ae0b32ecee730a41f65eb122bbb40fda7dca34a (patch) | |
tree | 8bec4593b618248ddc4edc68153d28187b62c2c0 /Documentation/ABI | |
parent | 176cda0619b6c17a553625f6e2fcbc3981ad667d (diff) | |
download | linux-4ae0b32ecee730a41f65eb122bbb40fda7dca34a.tar.gz linux-4ae0b32ecee730a41f65eb122bbb40fda7dca34a.tar.bz2 linux-4ae0b32ecee730a41f65eb122bbb40fda7dca34a.zip |
docs: ABI: sysfs-bus-event_source-devices-vpa-pmu: Document sysfs event format entries for vpa_pmu
Details are added for the vpa_pmu event and format
attributes in the ABI documentation.
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Co-developed-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://patch.msgid.link/20241118114114.208964-2-kjain@linux.ibm.com
Diffstat (limited to 'Documentation/ABI')
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu b/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu new file mode 100644 index 000000000000..8285263ff78d --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu @@ -0,0 +1,24 @@ +What: /sys/bus/event_source/devices/vpa_pmu/format +Date: November 2024 +Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> +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. Supported attribute are listed + below:: + event = "config:0-31" - event ID + + For example:: + + l1_to_l2_lat = "event=0x1" + +What: /sys/bus/event_source/devices/vpa_pmu/events +Date: November 2024 +Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org> +Description: Read-only. Attribute group to describe performance monitoring + events for the Virtual Processor Area events. Each attribute + in this group describes a single performance monitoring event + supported by vpa_pmu. The name of the file is the name of + the event (See ABI/testing/sysfs-bus-event_source-devices-events). |