3dd4fe4b4d
After seeing some users have subscription management trouble, more spam than other Linux development lists, and considering some of the benefits of kernel.org hosted lists, nvdimm and persistent memory development is moving to nvdimm@lists.linux.dev. The old list will remain up until v5.14-rc1 and shutdown thereafter. Cc: Ira Weiny <ira.weiny@intel.com> Cc: Oliver O'Halloran <oohall@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Jan Kara <jack@suse.cz> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Link: https://lore.kernel.org/r/161898872871.3406469.4054282559340528393.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
62 lines
2.1 KiB
Plaintext
62 lines
2.1 KiB
Plaintext
What: /sys/bus/nd/devices/nmemX/papr/flags
|
|
Date: Apr, 2020
|
|
KernelVersion: v5.8
|
|
Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, nvdimm@lists.linux.dev,
|
|
Description:
|
|
(RO) Report flags indicating various states of a
|
|
papr-pmem NVDIMM device. Each flag maps to a one or
|
|
more bits set in the dimm-health-bitmap retrieved in
|
|
response to H_SCM_HEALTH hcall. The details of the bit
|
|
flags returned in response to this hcall is available
|
|
at 'Documentation/powerpc/papr_hcalls.rst' . Below are
|
|
the flags reported in this sysfs file:
|
|
|
|
* "not_armed"
|
|
Indicates that NVDIMM contents will not
|
|
survive a power cycle.
|
|
* "flush_fail"
|
|
Indicates that NVDIMM contents
|
|
couldn't be flushed during last
|
|
shut-down event.
|
|
* "restore_fail"
|
|
Indicates that NVDIMM contents
|
|
couldn't be restored during NVDIMM
|
|
initialization.
|
|
* "encrypted"
|
|
NVDIMM contents are encrypted.
|
|
* "smart_notify"
|
|
There is health event for the NVDIMM.
|
|
* "scrubbed"
|
|
Indicating that contents of the
|
|
NVDIMM have been scrubbed.
|
|
* "locked"
|
|
Indicating that NVDIMM contents cant
|
|
be modified until next power cycle.
|
|
|
|
What: /sys/bus/nd/devices/nmemX/papr/perf_stats
|
|
Date: May, 2020
|
|
KernelVersion: v5.9
|
|
Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, nvdimm@lists.linux.dev,
|
|
Description:
|
|
(RO) Report various performance stats related to papr-scm NVDIMM
|
|
device. Each stat is reported on a new line with each line
|
|
composed of a stat-identifier followed by it value. Below are
|
|
currently known dimm performance stats which are reported:
|
|
|
|
* "CtlResCt" : Controller Reset Count
|
|
* "CtlResTm" : Controller Reset Elapsed Time
|
|
* "PonSecs " : Power-on Seconds
|
|
* "MemLife " : Life Remaining
|
|
* "CritRscU" : Critical Resource Utilization
|
|
* "HostLCnt" : Host Load Count
|
|
* "HostSCnt" : Host Store Count
|
|
* "HostSDur" : Host Store Duration
|
|
* "HostLDur" : Host Load Duration
|
|
* "MedRCnt " : Media Read Count
|
|
* "MedWCnt " : Media Write Count
|
|
* "MedRDur " : Media Read Duration
|
|
* "MedWDur " : Media Write Duration
|
|
* "CchRHCnt" : Cache Read Hit Count
|
|
* "CchWHCnt" : Cache Write Hit Count
|
|
* "FastWCnt" : Fast Write Count
|