From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../testing/sysfs-bus-event_source-devices-format | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-event_source-devices-format (limited to 'Documentation/ABI/testing/sysfs-bus-event_source-devices-format') diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-format b/Documentation/ABI/testing/sysfs-bus-event_source-devices-format new file mode 100644 index 000000000..77f47ff5e --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-format @@ -0,0 +1,20 @@ +Where: /sys/bus/event_source/devices//format +Date: January 2012 +Kernel Version: 3.3 +Contact: Jiri Olsa +Description: + Attribute group to describe the magic bits that go into + perf_event_attr::config[012] for a particular pmu. + Each attribute of this group defines the 'hardware' bitmask + we want to export, so that userspace can deal with sane + name/value pairs. + + Userspace must be prepared for the possibility that attributes + define overlapping bit ranges. For example: + attr1 = 'config:0-23' + attr2 = 'config:0-7' + attr3 = 'config:12-35' + + Example: 'config1:1,6-10,44' + Defines contents of attribute that occupies bits 1,6-10,44 of + perf_event_attr::config1. -- cgit v1.2.3