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<a href="https://gitlab.rtems.org/chris">Chris Johns</a>
commented on a
<a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5060#note_108692">discussion</a>:
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<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">The man page on FreeBSD says:</p>
<blockquote dir="auto" style="font-size: inherit; color: #535158; padding-top: .5rem; padding-bottom: .5rem; padding-left: 1.5rem; --tw-shadow: inset 4px 0 0 0 var(--gray-100, #dcdcde); --tw-shadow-colored: inset 4px 0 0 0 var(--tw-shadow-color); box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow); border-top-width: 0; border-bottom-width: 0; border-right-width: 0; margin: .5rem 0;" align="initial">
<p style="color: inherit; line-height: 1.5; margin: 0;">This interface is obsoleted by getrusage(2) and gettimeofday(2).</p>
</blockquote>
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">The issue with <code style='font-size: 90%; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; margin-top: 0; font-weight: inherit; font-family: var(--default-mono-font, "GitLab Mono"),"JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>getrusage()</code> is:</p>
<div class="gl-relative markdown-code-block js-markdown-code">
<pre data-canonical-lang="c" class="code highlight js-syntax-highlight language-c" v-pre="true" style='display: block; font-size: 14px; color: #333238; line-height: 1.6em; overflow-x: auto; border-radius: 4px; position: relative; font-family: var(--default-mono-font, "GitLab Mono"),"JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 16px; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; background-color: inherit; border-radius: 4px; white-space: pre; margin-top: 0; font-family: var(--default-mono-font, "GitLab Mono"),"JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="c" style="margin-top: 0;"> <span class="cm" style="margin-top: 0;">/*</span></span>
<span id="LC2" class="line" lang="c"><span class="cm" style="margin-top: 0;"> * RTEMS only has a single process so there are no children.</span></span>
<span id="LC3" class="line" lang="c"><span class="cm" style="margin-top: 0;"> * The single process has been running since the system</span></span>
<span id="LC4" class="line" lang="c"><span class="cm" style="margin-top: 0;"> * was booted and since there is no distinction between system</span></span>
<span id="LC5" class="line" lang="c"><span class="cm" style="margin-top: 0;"> * and user time, we will just report the uptime.</span></span>
<span id="LC6" class="line" lang="c"><span class="cm" style="margin-top: 0;"> */</span></span></code></pre>
<copy-code></copy-code>
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<p dir="auto" style="color: #333238; margin: 0;" align="initial">And EPICS wants the amount of time tasks have used which is this time less <code style='font-size: 90%; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; margin-top: 0; font-weight: inherit; font-family: var(--default-mono-font, "GitLab Mono"),"JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>IDLE</code>. I am now wondering is <code style='font-size: 90%; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "GitLab Mono"),"JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>IDLE</code> time should be account for as system time and that would leave user time as the time spent running tasks?</p>
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