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<body class="manpage">
<div id="header">
<h1>
nvme-solidigm-latency-tracking-log(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-solidigm-latency-tracking-log -
   Enable/Retrieve Latency tracking 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 solidigm latency-tracking-log</em> <device> [--enable | -e] [--disable | -d]
                                              [--read | -r] [--write | -w]
                                              [--type <value> | -t <value>]
                                              [--output-format=<fmt> | -o <fmt>]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Enables, disables, or retrieves the Solidigm latency tracking log for the
given NVMe device. This log provides detailed information about I/O latencies.</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>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-e
</dt>
<dt class="hdlist1">
--enable
</dt>
<dd>
<p>
        Enable latency tracking before retrieving the log.
</p>
</dd>
<dt class="hdlist1">
-d
</dt>
<dt class="hdlist1">
--disable
</dt>
<dd>
<p>
        Disable latency tracking after retrieving the log.
</p>
</dd>
<dt class="hdlist1">
-r
</dt>
<dt class="hdlist1">
--read
</dt>
<dd>
<p>
        Retrieve read latency statistics (default if neither --read nor --write is specified).
</p>
</dd>
<dt class="hdlist1">
-w
</dt>
<dt class="hdlist1">
--write
</dt>
<dd>
<p>
        Retrieve write latency statistics.
</p>
</dd>
<dt class="hdlist1">
-t <value>
</dt>
<dt class="hdlist1">
--type <value>
</dt>
<dd>
<p>
        Specify the log type to retrieve. Valid values depend on the device’s capabilities.
</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>
Enable latency tracking and retrieve the read latency log:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme solidigm latency-tracking-log /dev/nvme0 --enable --read</code></pre>
</div></div>
</li>
<li>
<p>
Retrieve the write latency log in JSON format:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme solidigm latency-tracking-log /dev/nvme0 --write -o json</code></pre>
</div></div>
</li>
<li>
<p>
Disable latency tracking after retrieving the log:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme solidigm latency-tracking-log /dev/nvme0 --disable</code></pre>
</div></div>
</li>
<li>
<p>
Specify a log type when retrieving latency statistics:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme solidigm latency-tracking-log /dev/nvme0 --type 1 --read</code></pre>
</div></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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