1What: nvdimm 2Date: July 2020 3KernelVersion: 5.8 4Contact: Dan Williams <dan.j.williams@intel.com> 5Description: 6 7The libnvdimm sub-system implements a common sysfs interface for 8platform nvdimm resources. See Documentation/driver-api/nvdimm/. 9 10What: /sys/bus/event_source/devices/nmemX/format 11Date: February 2022 12KernelVersion: 5.18 13Contact: Kajol Jain <kjain@linux.ibm.com> 14Description: (RO) Attribute group to describe the magic bits 15 that go into perf_event_attr.config for a particular pmu. 16 (See ABI/testing/sysfs-bus-event_source-devices-format). 17 18 Each attribute under this group defines a bit range of the 19 perf_event_attr.config. Supported attribute is listed 20 below:: 21 event = "config:0-4" - event ID 22 23 For example:: 24 ctl_res_cnt = "event=0x1" 25 26What: /sys/bus/event_source/devices/nmemX/events 27Date: February 2022 28KernelVersion: 5.18 29Contact: Kajol Jain <kjain@linux.ibm.com> 30Description: (RO) Attribute group to describe performance monitoring events 31 for the nvdimm memory device. Each attribute in this group 32 describes a single performance monitoring event supported by 33 this nvdimm pmu. The name of the file is the name of the event. 34 (See ABI/testing/sysfs-bus-event_source-devices-events). A 35 listing of the events supported by a given nvdimm provider type 36 can be found in Documentation/driver-api/nvdimm/$provider. 37 38What: /sys/bus/event_source/devices/nmemX/cpumask 39Date: February 2022 40KernelVersion: 5.18 41Contact: Kajol Jain <kjain@linux.ibm.com> 42Description: (RO) This sysfs file exposes the cpumask which is designated to 43 to retrieve nvdimm pmu event counter data. 44