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 latencies.
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