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I believe if you rezise the instance to a flavor that has hw:cpu_policy=dedicated on it, you should be good.</div>
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Thiago</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> open infra <openinfradn@gmail.com><br>
<b>Sent:</b> Wednesday, December 8, 2021 5:41 AM<br>
<b>To:</b> Brito, Thiago <Thiago.Brito@windriver.com><br>
<b>Cc:</b> starlingx-discuss@lists.starlingx.io <starlingx-discuss@lists.starlingx.io><br>
<b>Subject:</b> Re: [Starlingx-discuss] How to enable cpu_dedicated_set</font>
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<div>Thank you, Thiago!<br>
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<div>I managed to create an instance with dedicated cores, after application-apply.</div>
<div>Btw, do we need to recreate all instances or is there a solution for existing instances which were created without dedicated cores?</div>
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<div dir="ltr" class="x_gmail_attr">On Wed, Dec 8, 2021 at 3:16 AM Brito, Thiago <<a href="mailto:Thiago.Brito@windriver.com">Thiago.Brito@windriver.com</a>> wrote:<br>
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Did you do an application-apply after you changed the processors to application-isolated? Can you send the output of the command below for you compute pods:</div>
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kubectl exec -n openstack nova-compute-[woker|controller]-X-XXXXX-xxxx -- cat /etc/nova/nova.conf|grep dedicated_set<br>
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Don't forget to change the id of the pod for your compute pods.</div>
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Thiago</div>
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<div id="x_gmail-m_-8925292222588710044divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> open infra <<a href="mailto:openinfradn@gmail.com" target="_blank">openinfradn@gmail.com</a>><br>
<b>Sent:</b> Tuesday, December 7, 2021 5:45 AM<br>
<b>To:</b> Brito, Thiago <<a href="mailto:Thiago.Brito@windriver.com" target="_blank">Thiago.Brito@windriver.com</a>><br>
<b>Cc:</b> <a href="mailto:starlingx-discuss@lists.starlingx.io" target="_blank">
starlingx-discuss@lists.starlingx.io</a> <<a href="mailto:starlingx-discuss@lists.starlingx.io" target="_blank">starlingx-discuss@lists.starlingx.io</a>><br>
<b>Subject:</b> Re: [Starlingx-discuss] How to enable cpu_dedicated_set</font>
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<b><span style="font-size:10pt; color:rgb(156,101,0)"></span></b><span style="font-size:10pt; color:red">[Please note: This e-mail is from an EXTERNAL e-mail address]</span></p>
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<div dir="ltr">Here is the info from STX side
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<dt style="box-sizing:border-box; line-height:1.42857; font-weight:bold; float:left; width:22em; clear:left; text-align:right; overflow:hidden; text-overflow:ellipsis; white-space:nowrap">
Processors<span> </span></dt><dd style="box-sizing:border-box; line-height:1.42857; margin-left:23em">2</dd><dt style="box-sizing:border-box; line-height:1.42857; font-weight:bold; float:left; width:22em; clear:left; text-align:right; overflow:hidden; text-overflow:ellipsis; white-space:nowrap">
Physical Cores Per Processor<span> </span></dt><dd style="box-sizing:border-box; line-height:1.42857; margin-left:23em">32</dd><dt style="box-sizing:border-box; line-height:1.42857; font-weight:bold; float:left; width:22em; clear:left; text-align:right; overflow:hidden; text-overflow:ellipsis; white-space:nowrap">
Hyper-Threading<span> </span></dt><dd style="box-sizing:border-box; line-height:1.42857; margin-left:23em">Yes</dd></dl>
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<span style="box-sizing:border-box; font-size:23px">CPU Assignments</span>
<div style="box-sizing:border-box; float:right"><a id="x_gmail-m_-8925292222588710044x_gmail-cpufunctions__action_createCpuProfile" href="https://urldefense.com/v3/__http://37.50.100.18:8080/admin/8/addcpuprofile/__;!!AjveYdw8EvQ!Km5xOEiy_wI3YAmney4OpHhqwjOOCiNhB37qanNSizdNpERIM_eDDRfwAzNuQoVun-HI$" title="Create Cpu Profile" target="_blank" style="box-sizing:border-box; color:rgb(51,51,51); text-decoration-line:none; display:inline-block; margin-bottom:0px; text-align:center; vertical-align:middle; background-image:none; border:1px solid rgb(204,204,204); white-space:nowrap; padding:6px 12px; line-height:1.42857; border-radius:4px">Create
 Cpu Profile</a></div>
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<div style="box-sizing:border-box; display:inline">Function<i style="box-sizing:border-box"></i></div>
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<div style="box-sizing:border-box; display:inline">Processor Logical Cores<i style="box-sizing:border-box"></i></div>
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Platform</td>
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<strong style="box-sizing:border-box">Processor 0 :<span> </span></strong>0,64<span> </span><span> </span><br style="box-sizing:border-box">
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vSwitch</td>
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Shared</td>
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Application</td>
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<strong style="box-sizing:border-box">Processor 0 :<span> </span></strong>17-31,81-95<span> </span><span> </span><br style="box-sizing:border-box">
<strong style="box-sizing:border-box">Processor 1 :<span> </span></strong>56-63,120-127<span> </span><span> </span><br style="box-sizing:border-box">
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Application-isolated</td>
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<strong style="box-sizing:border-box">Processor 0 :<span> </span></strong>1-16,65-80<span> </span><span> </span><br style="box-sizing:border-box">
<strong style="box-sizing:border-box">Processor 1 :<span> </span></strong>32-55,96-119<span> </span></td>
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<div dir="ltr">On Tue, Dec 7, 2021 at 1:46 PM open infra <<a href="mailto:openinfradn@gmail.com" target="_blank">openinfradn@gmail.com</a>> wrote:<br>
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<div dir="ltr">Hi Thiago,
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<div>I have configured the worker as mentioned in the given link and dedicated cpu_policy set in the flavor.</div>
<div>Instance creation failed with the following error.</div>
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<span style="font-variant-ligatures:no-common-ligatures">No valid host was found. There are not enough hosts available.</span></p>
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<p style="margin:0px; font:11px Menlo; color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">controller-0:~$ openstack flavor show dn.large<span> 
</span>-c properties</span></p>
<p style="margin:0px; font:11px Menlo; color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">+------------+--------------------------------------------------------------------------------------------------------+</span></p>
<p style="margin:0px; font:11px Menlo; color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">| Field<span>     
</span>| Value<span>                                                                                                 
</span>|</span></p>
<p style="margin:0px; font:11px Menlo; color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">+------------+--------------------------------------------------------------------------------------------------------+</span></p>
<p style="margin:0px; font:11px Menlo; color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">| properties | hw:cpu_cores='2', hw:cpu_policy='dedicated', hw:cpu_sockets='1', hw:cpu_threads='2', hw:numa_nodes='1' |</span></p>
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<span style="font-variant-ligatures:no-common-ligatures"></span></p>
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<span style="font-variant-ligatures:no-common-ligatures">+------------+--------------------------------------------------------------------------------------------------------+</span></p>
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<div>Regards,</div>
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<div>Danishka</div>
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<div dir="ltr">On Tue, Dec 7, 2021 at 1:18 AM Brito, Thiago <<a href="mailto:Thiago.Brito@windriver.com" target="_blank">Thiago.Brito@windriver.com</a>> wrote:<br>
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<span style="margin:0px; font-size:12pt; color:black; background-color:rgb(255,255,255)">Hi Danishka,</span>
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Whatever you configure on the platform as Application-isolated core for a node will get to cpu_dedicated_set on stx-openstack. Please check this doc: <a href="https://urldefense.com/v3/__https://docs.starlingx.io/r/stx.5.0/admintasks/openstack/configure-dedicated-and-shared-cpu-pools-on-hosts.html__;!!AjveYdw8EvQ!Km5xOEiy_wI3YAmney4OpHhqwjOOCiNhB37qanNSizdNpERIM_eDDRfwAzNuQv9j-Hlr$" rel="noopener noreferrer" target="_blank" style="margin:0px">https://docs.starlingx.io/r/stx.5.0/admintasks/openstack/configure-dedicated-and-shared-cpu-pools-on-hosts.html</a></div>
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<span style="margin:0px; font-size:12pt; color:black; background-color:rgb(255,255,255)">Thiago</span><br>
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<font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> open infra <<a href="mailto:openinfradn@gmail.com" target="_blank">openinfradn@gmail.com</a>><br>
<b>Sent:</b> Monday, December 6, 2021 3:15 PM<br>
<b>To:</b> <a href="mailto:starlingx-discuss@lists.starlingx.io" target="_blank">
starlingx-discuss@lists.starlingx.io</a> <<a href="mailto:starlingx-discuss@lists.starlingx.io" target="_blank">starlingx-discuss@lists.starlingx.io</a>><br>
<b>Subject:</b> [Starlingx-discuss] How to enable cpu_dedicated_set</font>
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<b><span style="font-size:10pt; color:rgb(156,101,0)"></span></b><span style="font-size:10pt; color:red">[Please note: This e-mail is from an EXTERNAL e-mail address]</span></p>
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<div dir="ltr">Hi,<br>
<div><br>
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<div>Is the cpu_dedicated_set is already enabled in stx based openstack?</div>
<div>How to verify and enable it?</div>
<div><br>
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<div>Regards,</div>
<div>Danishka</div>
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