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| -rw-r--r-- | Documentation/nvme-intel-lat-stats.txt | 53 |
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diff --git a/Documentation/nvme-intel-lat-stats.txt b/Documentation/nvme-intel-lat-stats.txt new file mode 100644 index 0000000..767cf92 --- /dev/null +++ b/Documentation/nvme-intel-lat-stats.txt @@ -0,0 +1,53 @@ +nvme-intel-lat-stats(1) +======================= + +NAME +---- +nvme-intel-lat-stats - Send NVMe Identify Controller, return result and structure + +SYNOPSIS +-------- +[verse] +'nvme intel lat-stats' <device> [--write | -w] [--raw-binary | -b] + +DESCRIPTION +----------- +For the NVMe device given, retrieves intel vendor specific latency statistics and +provides the result and returned structure. + +The <device> parameter is mandatory and may be either the NVMe character +device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1). + +On success, the structure may be returned in one of several ways depending +on the option flags; the structure may be parsed by the program or the +raw buffer may be printed to stdout. + +OPTIONS +------- +-b:: +--raw-binary:: + Print the raw buffer to stdout. Structure is not parsed by + program. This overrides the vendor specific and human readable options. + +-w:: +--write:: + Get write statistics. Read statistics are returned by default. + +EXAMPLES +-------- +* Get the read statistics ++ +------------ +# nvme intel lat-stats /dev/nvme0 +------------ ++ + +* Get the write statistics ++ +------------ +# nvme intel lat-stats /dev/nvme0 -w +------------ + +NVME +---- +Part of the nvme-user suite |