sysfs-bus-event_source-devices-dsa (1286B)
1What: /sys/bus/event_source/devices/dsa*/format 2Date: April 2021 3KernelVersion: 5.13 4Contact: Tom Zanussi <tom.zanussi@linux.intel.com> 5Description: 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 24What: /sys/bus/event_source/devices/dsa*/cpumask 25Date: April 2021 26KernelVersion: 5.13 27Contact: Tom Zanussi <tom.zanussi@linux.intel.com> 28Description: 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.