Documentation/ABI/testing/sysfs-bus-event_source-devices-dsa

   1 What:           /sys/bus/event_source/devices/dsa*/format
   2 Date:           April 2021
   3 KernelVersion:  5.13
   4 Contact:        Tom Zanussi <[email protected]>
   5 Description:    Read-only.  Attribute group to describe the magic bits
   6                 that go into perf_event_attr.config or
   7                 perf_event_attr.config1 for the IDXD DSA pmu.  (See also
   8                 ABI/testing/sysfs-bus-event_source-devices-format).
   9
  10                 Each attribute in this group defines a bit range in
  11                 perf_event_attr.config or perf_event_attr.config1.
  12                 All supported attributes are listed below (See the
  13                 IDXD DSA Spec for possible attribute values)::
  14
  15                     event_category = "config:0-3"    - event category
  16                     event          = "config:4-31"   - event ID
  17
  18                     filter_wq      = "config1:0-31"  - workqueue filter
  19                     filter_tc      = "config1:32-39" - traffic class filter
  20                     filter_pgsz    = "config1:40-43" - page size filter
  21                     filter_sz      = "config1:44-51" - transfer size filter
  22                     filter_eng     = "config1:52-59" - engine filter
  23
  24 What:           /sys/bus/event_source/devices/dsa*/cpumask
  25 Date:           April 2021
  26 KernelVersion:  5.13
  27 Contact:        Tom Zanussi <[email protected]>
  28 Description:    Read-only.  This file always returns the cpu to which the
  29                 IDXD DSA pmu is bound for access to all dsa pmu
  30                 performance monitoring events.