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