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<body class="manpage">
<div id="header">
<h1>
nvme-solidigm-workload-tracker(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-solidigm-workload-tracker -
   Real-time capture of Workload Tracker samples
</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 workload-tracker</em> &lt;device&gt; [--uuid-index=&lt;id&gt; | -U &lt;id&gt;]
                                      [--enable | -e] [--disable | -d]
                                      [--sample-time=&lt;time&gt; | -s &lt;time&gt;]
                                      [--type=&lt;type&gt; | -t &lt;type&gt;]
                                      [--run-time=&lt;seconds&gt; | -r &lt;seconds&gt;]
                                      [--flush-freq=&lt;count&gt; | -f &lt;count&gt;]
                                      [--wall-clock | -w]
                                      [--trigger-field=&lt;field&gt; | -T &lt;field&gt;]
                                      [--trigger-threshold=&lt;value&gt; | -V &lt;value&gt;]
                                      [--trigger-on-delta | -D]
                                      [--trigger-on-latency | -L]
                                      [--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>Captures and displays real-time workload tracker samples for the given Solidigm
NVMe device. This command allows for monitoring and analysis of the device&#8217;s
workload characteristics.</p></div>
<div class="paragraph"><p>The &lt;device&gt; 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">
-U &lt;id&gt;, --uuid-index=&lt;id&gt;
</dt>
<dd>
<p>
    Specify the UUID index (0-127) for the command.
</p>
</dd>
<dt class="hdlist1">
-e, --enable
</dt>
<dd>
<p>
    Enable the workload tracker before capturing samples.
</p>
</dd>
<dt class="hdlist1">
-d, --disable
</dt>
<dd>
<p>
    Disable the workload tracker after capturing samples.
</p>
</dd>
<dt class="hdlist1">
-s &lt;time&gt;, --sample-time=&lt;time&gt;
</dt>
<dd>
<p>
    Set the sample interval. Valid values are: default, 1ms, 5ms, 10ms, 50ms, 100ms, 500ms, 1s, 5s, 10s, 30s, 1m, 5m, 10m, 30m, 1h.
</p>
</dd>
<dt class="hdlist1">
-t &lt;type&gt;, --type=&lt;type&gt;
</dt>
<dd>
<p>
    Set the tracker type. Valid types are: Base, CmdQ, Pattern, RandSeq, Throttle, Power, Defrag.
</p>
</dd>
<dt class="hdlist1">
-r &lt;seconds&gt;, --run-time=&lt;seconds&gt;
</dt>
<dd>
<p>
    Limit runtime capture time in seconds.
</p>
</dd>
<dt class="hdlist1">
-f &lt;count&gt;, --flush-freq=&lt;count&gt;
</dt>
<dd>
<p>
    Number of samples (1 to 126) to wait before extracting data. Default is 100 samples.
</p>
</dd>
<dt class="hdlist1">
-w, --wall-clock
</dt>
<dd>
<p>
    Log current wall timestamp when entry was retrieved.
</p>
</dd>
<dt class="hdlist1">
-T &lt;field&gt;, --trigger-field=&lt;field&gt;
</dt>
<dd>
<p>
    Field name to stop trigger on.
</p>
</dd>
<dt class="hdlist1">
-V &lt;value&gt;, --trigger-threshold=&lt;value&gt;
</dt>
<dd>
<p>
    Field value to trigger stop sampling.
</p>
</dd>
<dt class="hdlist1">
-D, --trigger-on-delta
</dt>
<dd>
<p>
    Trigger on delta to stop sampling.
</p>
</dd>
<dt class="hdlist1">
-L, --trigger-on-latency
</dt>
<dd>
<p>
    Use latency tracker to trigger stop sampling.
</p>
</dd>
<dt class="hdlist1">
-v, --verbose
</dt>
<dd>
<p>
    Increase logging verbosity. Can be used multiple times.
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
Enable the workload tracker and capture samples:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme solidigm workload-tracker /dev/nvme0 --enable</code></pre>
</div></div>
</li>
<li>
<p>
Capture workload tracker samples with a 1ms interval for 60 seconds:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme solidigm workload-tracker /dev/nvme0 --enable --sample-time=1ms --run-time=60</code></pre>
</div></div>
</li>
<li>
<p>
Disable the workload tracker:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme solidigm workload-tracker /dev/nvme0 --disable</code></pre>
</div></div>
</li>
<li>
<p>
Enable the workload tracker and capture samples with a specific sample time and type:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme solidigm workload-tracker /dev/nvme0 --enable --sample-time=1ms --type=Base</code></pre>
</div></div>
</li>
<li>
<p>
Capture Power tracker samples with a 10-second interval for 5 minutes:
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<pre><code># nvme solidigm workload-tracker /dev/nvme0 --enable --type=Power --sample-time=10s --run-time=300</code></pre>
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</ul></div>
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<div class="sect1">
<h2 id="_nvme">NVME</h2>
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<div class="paragraph"><p>Part of the nvme-user suite</p></div>
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<div id="footnotes"><hr /></div>
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Last updated
 2025-11-19 00:00:00 UTC
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