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1What: /sys/bus/event_source/devices/dsa*/format2Date: April 20213KernelVersion: 5.134Contact: Tom Zanussi <tom.zanussi@linux.intel.com>5Description: Read-only. Attribute group to describe the magic bits6 that go into perf_event_attr.config or7 perf_event_attr.config1 for the IDXD DSA pmu. (See also8 ABI/testing/sysfs-bus-event_source-devices-format).9 10 Each attribute in this group defines a bit range in11 perf_event_attr.config or perf_event_attr.config1.12 All supported attributes are listed below (See the13 IDXD DSA Spec for possible attribute values)::14 15 event_category = "config:0-3" - event category16 event = "config:4-31" - event ID17 18 filter_wq = "config1:0-31" - workqueue filter19 filter_tc = "config1:32-39" - traffic class filter20 filter_pgsz = "config1:40-43" - page size filter21 filter_sz = "config1:44-51" - transfer size filter22 filter_eng = "config1:52-59" - engine filter23 24What: /sys/bus/event_source/devices/dsa*/cpumask25Date: April 202126KernelVersion: 5.1327Contact: Tom Zanussi <tom.zanussi@linux.intel.com>28Description: Read-only. This file always returns the cpu to which the29 IDXD DSA pmu is bound for access to all dsa pmu30 performance monitoring events.31