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- What: nvdimm
- Date: July 2020
- KernelVersion: 5.8
- Contact: Dan Williams <[email protected]>
- Description:
- The libnvdimm sub-system implements a common sysfs interface for
- platform nvdimm resources. See Documentation/driver-api/nvdimm/.
- What: /sys/bus/event_source/devices/nmemX/format
- Date: February 2022
- KernelVersion: 5.18
- Contact: Kajol Jain <[email protected]>
- Description: (RO) Attribute group to describe the magic bits
- that go into perf_event_attr.config for a particular pmu.
- (See ABI/testing/sysfs-bus-event_source-devices-format).
- Each attribute under this group defines a bit range of the
- perf_event_attr.config. Supported attribute is listed
- below::
- event = "config:0-4" - event ID
- For example::
- ctl_res_cnt = "event=0x1"
- What: /sys/bus/event_source/devices/nmemX/events
- Date: February 2022
- KernelVersion: 5.18
- Contact: Kajol Jain <[email protected]>
- Description: (RO) Attribute group to describe performance monitoring events
- for the nvdimm memory device. Each attribute in this group
- describes a single performance monitoring event supported by
- this nvdimm pmu. The name of the file is the name of the event.
- (See ABI/testing/sysfs-bus-event_source-devices-events). A
- listing of the events supported by a given nvdimm provider type
- can be found in Documentation/driver-api/nvdimm/$provider.
- What: /sys/bus/event_source/devices/nmemX/cpumask
- Date: February 2022
- KernelVersion: 5.18
- Contact: Kajol Jain <[email protected]>
- Description: (RO) This sysfs file exposes the cpumask which is designated to
- to retrieve nvdimm pmu event counter data.
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