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<body class="manpage">
<div id="header">
<h1>
nvme-pred-lat-event-agg-log(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-pred-lat-event-agg-log -
   Send Predictable Latency Event Aggregate Log Page request, returns result and log
</p>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="verseblock">
<pre class="content"><em>nvme pred-lat-event-agg-log</em> <device>
                        [--log-entries=<log_entries> | -e <log_entries>]
                        [--rae | -r] [--raw-binary | -b]
                        [--output-format=<fmt> | -o <fmt>] [--verbose | -v]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Retrieves the NVMe Predictable Latency Event Aggregate Log Page from an
NVMe device and provides the returned structure.</p></div>
<div class="paragraph"><p>The <device> parameter is mandatory and may be either the NVMe character
device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1).</p></div>
<div class="paragraph"><p>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.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-e <log_entries>
</dt>
<dt class="hdlist1">
--log-entries=<log_entries>
</dt>
<dd>
<p>
        Retrieve the Predictable Latency Event Aggregate Log pending entries.
        This argument is mandatory and its success may depend on the device’s
        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.
</p>
</dd>
<dt class="hdlist1">
-r
</dt>
<dt class="hdlist1">
--rae
</dt>
<dd>
<p>
        Retain an Asynchronous Event.
</p>
</dd>
<dt class="hdlist1">
-b
</dt>
<dt class="hdlist1">
--raw-binary
</dt>
<dd>
<p>
        Print the raw Predictable Latency Event Aggregate log buffer to stdout.
</p>
</dd>
<dt class="hdlist1">
-o <fmt>
</dt>
<dt class="hdlist1">
--output-format=<fmt>
</dt>
<dd>
<p>
        Set the reporting format to <em>normal</em>, <em>json</em>, or <em>binary</em>.
        Only one output format can be used at a time.
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
Print the Predictable Latency Event Aggregate Log page in a human readable format:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme pred-lat-event-agg-log /dev/nvme0</code></pre>
</div></div>
</li>
<li>
<p>
Print the raw Predictable Latency Event Aggregate log to a file:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme pred-lat-event-agg-log /dev/nvme0 --raw-binary > pred_lat_agg_log.raw</code></pre>
</div></div>
<div class="paragraph"><p>It is probably a bad idea to not redirect stdout when using this mode.</p></div>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_nvme">NVME</h2>
<div class="sectionbody">
<div class="paragraph"><p>Part of the nvme-user suite</p></div>
</div>
</div>
</div>
<div id="footnotes"><hr /></div>
<div id="footer">
<div id="footer-text">
Last updated
 2025-02-13 00:00:00 UTC
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