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| author | Kajol Jain <kjain@linux.ibm.com> | 2020-10-03 10:49:40 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-10-07 14:34:48 +0300 |
| commit | 264a034099b6e3c76fae85e75329373f3652a033 (patch) | |
| tree | 0ff59d485ac160d9068de69a8b821fa7486d921b /Documentation/ABI | |
| parent | 0f9866f7e85765bbda86666df56c92f377c3bc10 (diff) | |
| download | linux-264a034099b6e3c76fae85e75329373f3652a033.tar.xz | |
Documentation/ABI: Add ABI documentation for hv-24x7 format
This patch adds ABI documentation for hv-24x7 format.
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201003074943.338618-2-kjain@linux.ibm.com
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_24x7 | 25 |
1 files changed, 25 insertions, 0 deletions
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 <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. 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 <linuxppc-dev@lists.ozlabs.org> |