31 lines
1.3 KiB
Plaintext
31 lines
1.3 KiB
Plaintext
What: /sys/bus/event_source/devices/dsa*/format
|
|
Date: April 2021
|
|
KernelVersion: 5.13
|
|
Contact: Tom Zanussi <tom.zanussi@linux.intel.com>
|
|
Description: Read-only. Attribute group to describe the magic bits
|
|
that go into perf_event_attr.config or
|
|
perf_event_attr.config1 for the IDXD DSA pmu. (See also
|
|
ABI/testing/sysfs-bus-event_source-devices-format).
|
|
|
|
Each attribute in this group defines a bit range in
|
|
perf_event_attr.config or perf_event_attr.config1.
|
|
All supported attributes are listed below (See the
|
|
IDXD DSA Spec for possible attribute values)::
|
|
|
|
event_category = "config:0-3" - event category
|
|
event = "config:4-31" - event ID
|
|
|
|
filter_wq = "config1:0-31" - workqueue filter
|
|
filter_tc = "config1:32-39" - traffic class filter
|
|
filter_pgsz = "config1:40-43" - page size filter
|
|
filter_sz = "config1:44-51" - transfer size filter
|
|
filter_eng = "config1:52-59" - engine filter
|
|
|
|
What: /sys/bus/event_source/devices/dsa*/cpumask
|
|
Date: April 2021
|
|
KernelVersion: 5.13
|
|
Contact: Tom Zanussi <tom.zanussi@linux.intel.com>
|
|
Description: Read-only. This file always returns the cpu to which the
|
|
IDXD DSA pmu is bound for access to all dsa pmu
|
|
performance monitoring events.
|