diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-event_source-devices-events')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-event_source-devices-events | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-events b/Documentation/ABI/testing/sysfs-bus-event_source-devices-events index e7efeab2ee83..0fe1b9487202 100644 --- a/Documentation/ABI/testing/sysfs-bus-event_source-devices-events +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-events @@ -37,11 +37,13 @@ Description: Per-pmu performance monitoring events specific to the running syste performance monitoring event supported by the <pmu>. The name of the file is the name of the event. - As performance monitoring event names are case - insensitive in the perf tool, the perf tool only looks - for lower or upper case event names in sysfs to avoid + As performance monitoring event names are case insensitive + in the perf tool, the perf tool only looks for all lower + case or all upper case event names in sysfs to avoid scanning the directory. It is therefore required the - name of the event here is either lower or upper case. + name of the event here is either completely lower or upper + case, with no mixed-case characters. Numbers, '.', '_', and + '-' are also allowed. File contents: |