nvme-feat-power-meas(1)
=======================

NAME
----
nvme-feat-power-meas - Get and set power measurement feature

SYNOPSIS
--------
[verse]
'nvme' [<global-options>] 'feat power-meas' <device>
			[--pwrmsr=<pwrmsr> | -p <pwrmsr>] [--pwrmsd=<pwrmsd> | -d <pwrmsd>]
			[--sel=<select> | -S <select>] [--save | -s]

DESCRIPTION
-----------
Get and set power measurement feature.

The <device> parameter is mandatory and may be either the NVMe character
device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1).

If any of the setting options (`--pwrmsr` or `--pwrmsd`) are specified, the
command will update the power measurement configuration. If none of these options
are specified, it will retrieve and display the current configuration.

On success it returns 0, error code otherwise.

OPTIONS
-------
-p <pwrmsr>::
--pwrmsr=<pwrmsr>::
	Power Measurement Sample Rate. Specifies the sampling rate for power measurement.

-d <pwrmsd>::
--pwrmsd=<pwrmsd>::
	Power Measurement Duration. Specifies the total duration for the power measurement window.

-S <select>::
--sel=<select>::
	Select (SEL): This field specifies which value of the attributes
	to return in the provided data:

-s::
--save::
	Save the attribute so that it persists through all power states and resets.

include::global-options.txt[]

EXAMPLES
--------
* Has the program issue a feat power-meas to get the current configuration:
+
------------
# nvme feat power-meas /dev/nvme0
------------

* Has the program issue a feat power-meas to set power measurement settings with saving enabled:
+
------------
# nvme feat power-meas /dev/nvme0 --pwrmsr=5 --pwrmsd=100 --save
------------

NVME
----
Part of the nvme-user suite.
