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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-29 04:41:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-29 04:41:05 +0000 |
commit | 1cc8413aaf5f8fa6595aece1933462c096e88639 (patch) | |
tree | e97b4f25c511372d73bdd96c389c5f468d99138a /Documentation/nvme-pred-lat-event-agg-log.1 | |
parent | Initial commit. (diff) | |
download | nvme-cli-1cc8413aaf5f8fa6595aece1933462c096e88639.tar.xz nvme-cli-1cc8413aaf5f8fa6595aece1933462c096e88639.zip |
Adding upstream version 2.4+really2.3.upstream/2.4+really2.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/nvme-pred-lat-event-agg-log.1 | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/Documentation/nvme-pred-lat-event-agg-log.1 b/Documentation/nvme-pred-lat-event-agg-log.1 new file mode 100644 index 0000000..82ce0ff --- /dev/null +++ b/Documentation/nvme-pred-lat-event-agg-log.1 @@ -0,0 +1,117 @@ +'\" t +.\" Title: nvme-pred-lat-event-agg-log +.\" Author: [FIXME: author] [see http://www.docbook.org/tdg5/en/html/author] +.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/> +.\" Date: 01/30/2023 +.\" Manual: NVMe Manual +.\" Source: NVMe +.\" Language: English +.\" +.TH "NVME\-PRED\-LAT\-EVE" "1" "01/30/2023" "NVMe" "NVMe Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +nvme-pred-lat-event-agg-log \- Send Predictable Latency Event Aggregate Log Page request, returns result and log +.SH "SYNOPSIS" +.sp +.nf +\fInvme pred\-lat\-event\-agg\-log\fR <device> [\-\-log\-entries=<log_entries> | \-e <log_entries>] + [\-\-rae | \-r] [\-\-raw\-binary | \-b] + [\-\-output\-format=<fmt> | \-o <fmt>] +.fi +.SH "DESCRIPTION" +.sp +Retrieves the NVMe Predictable Latency Event Aggregate Log Page from an NVMe device and provides the returned structure\&. +.sp +The <device> parameter is mandatory and may be either the NVMe character device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1)\&. +.sp +On success, the returned Predictable Latency Event Aggregate Log Page structure may be returned in one of several ways depending on the option flags; the structure may parsed by the program and printed in a readable format or the raw buffer may be printed to stdout for another program to parse\&. +.SH "OPTIONS" +.PP +\-e <log_entries>, \-\-log\-entries=<log_entries> +.RS 4 +Retrieve the Predictable Latency Event Aggregate Log pending entries\&. This argument is mandatory and its success may depend on the device\(cqs statistics to provide this log For More details see NVM Express 1\&.4 Spec\&. Section 5\&.14\&.1\&.11\&. The maximum number of log entries supported is 2044 for the device\&. +.RE +.PP +\-r, \-\-rae +.RS 4 +Retain an Asynchronous Event\&. +.RE +.PP +\-b, \-\-raw\-binary +.RS 4 +Print the raw Predictable Latency Event Aggregate log buffer to stdout\&. +.RE +.PP +\-o <format>, \-\-output\-format=<format> +.RS 4 +Set the reporting format to +\fInormal\fR, +\fIjson\fR, or +\fIbinary\fR\&. Only one output format can be used at a time\&. +.RE +.SH "EXAMPLES" +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Print the Predictable Latency Event Aggregate Log page in a human readable format: +.sp +.if n \{\ +.RS 4 +.\} +.nf +# nvme pred\-lat\-event\-agg\-log /dev/nvme0 +.fi +.if n \{\ +.RE +.\} +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +Print the raw Predictable Latency Event Aggregate log to a file: +.sp +.if n \{\ +.RS 4 +.\} +.nf +# nvme pred\-lat\-event\-agg\-log /dev/nvme0 \-\-raw\-binary > pred_lat_agg_log\&.raw +.fi +.if n \{\ +.RE +.\} +.sp +It is probably a bad idea to not redirect stdout when using this mode\&. +.RE +.SH "NVME" +.sp +Part of the nvme\-user suite |