Skip site navigation (1)Skip section navigation (2)

FreeBSD Manual Pages

  
 
  

home | help
NVME-SOLIDIGM-LATE(1)		   NVMe Manual		   NVME-SOLIDIGM-LATE(1)

NAME
     nvme-solidigm-latency-tracking-log - Enable/Retrieve Latency tracking Log

SYNOPSIS
     nvme solidigm latency-tracking-log <device> [--enable | -e] [--disable | -d]
						   [--read | -r] [--write | -w]
						   [--type <value> | -t <value>]
						   [--output-format=<fmt> | -o <fmt>]

DESCRIPTION
     Enables,  disables,  or retrieves the Solidigm latency tracking log for the
     given NVMe device. This log provides detailed information about I/O  laten-
     cies.

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

OPTIONS
     -e, --enable
	 Enable latency tracking before retrieving the log.

     -d, --disable
	 Disable latency tracking after retrieving the log.

     -r, --read
	 Retrieve read latency statistics (default if neither --read nor --write
	 is specified).

     -w, --write
	 Retrieve write latency statistics.

     -t <value>, --type <value>
	 Specify the log type to retrieve. Valid values depend on  the	device's
	 capabilities.

     -o <fmt>, --output-format=<fmt>
	 Set  the  reporting  format to normal, json, or binary. Only one output
	 format can be used at a time.

EXAMPLES
     *	 Enable latency tracking and retrieve the read latency log:

	     # nvme solidigm latency-tracking-log /dev/nvme0 --enable --read

     *	 Retrieve the write latency log in JSON format:

	     # nvme solidigm latency-tracking-log /dev/nvme0 --write -o json

     *	 Disable latency tracking after retrieving the log:

	     # nvme solidigm latency-tracking-log /dev/nvme0 --disable

     *	 Specify a log type when retrieving latency statistics:

	     # nvme solidigm latency-tracking-log /dev/nvme0 --type 1 --read

NVME
     Part of the nvme-user suite

NVMe				   10/31/2024		   NVME-SOLIDIGM-LATE(1)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=nvme-solidigm-latency-tracking-log&sektion=1&manpath=FreeBSD+Ports+15.1.quarterly>

home | help