# System Performance

Tuned - dynamic system duning daemon

<div id="bkmrk-rpm--qa-%7C-grep-tuned" style="direction: ltr; border-width: 100%;"><div style="direction: ltr; margin-top: 0in; margin-left: 0in; width: 6.3479in;"><div style="direction: ltr; margin-top: 0in; margin-left: 0in; width: 6.3479in;"><div style="direction: ltr;"><table border="1" cellpadding="0" cellspacing="0" style="direction: ltr; border-collapse: collapse; border: 1pt solid #A3A3A3;" summary="" title=""><tbody><tr><td style="vertical-align: top; width: 3.0222in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">rpm -qa | grep tuned

</td><td style="vertical-align: top; width: 3.0611in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">check if tuned package is installed

</td></tr><tr><td style="vertical-align: top; width: 3.0222in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">yum install tuned

</td><td style="vertical-align: top; width: 3.0611in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">install tuned

</td></tr><tr><td style="vertical-align: top; width: 3.0416in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">systemctl status/enable/disable tuned

</td><td style="vertical-align: top; width: 3.0416in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">check tuned status

</td></tr><tr><td style="vertical-align: top; width: 3.0222in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">tuned --version

</td><td style="vertical-align: top; width: 3.0611in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">check tuned version

</td></tr><tr><td style="vertical-align: top; width: 3.0222in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">tuned-adm

</td><td style="vertical-align: top; width: 3.0611in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">change setting for tuned daemon

</td></tr><tr><td style="vertical-align: top; width: 3.0222in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">tuned-adm active

</td><td style="vertical-align: top; width: 3.0611in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">check which profile is active

</td></tr><tr><td style="vertical-align: top; width: 3.0222in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">tuned-adm list

</td><td style="vertical-align: top; width: 3.0611in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">list available profiles

</td></tr><tr><td style="vertical-align: top; width: 3.0222in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">tuned-adm profile profile-name

</td><td style="vertical-align: top; width: 3.0611in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">change profile

</td></tr><tr><td style="vertical-align: top; width: 3.0222in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">tuned-adm recommend

</td><td style="vertical-align: top; width: 3.0611in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">recommended profile

</td></tr><tr><td style="vertical-align: top; width: 3.0222in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">tuned-adm off

</td><td style="vertical-align: top; width: 3.0611in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">turn off tuned daemon

</td></tr><tr><td style="vertical-align: top; width: 3.0222in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">[https://192.168.X.X:9090](https://192.168.X.X:9090)

</td><td style="vertical-align: top; width: 3.1305in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">change via web console (check firewall)

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</div></div></div></div>nice and renice

<div id="bkmrk-prioritise-cpu-tasks" style="direction: ltr; border-width: 100%;"><div style="direction: ltr; margin-top: 0in; margin-left: 0in; width: 6.3479in;"><div style="direction: ltr; margin-top: 0in; margin-left: 0in; width: 6.3479in;">- <span style="font-family: Consolas; font-size: 10.0pt;">Prioritise CPU tasks</span>
- <span style="font-family: Consolas; font-size: 10.0pt;">Range from -20 (highest priority) to 19 (lowest priority), 0 = default</span>
- <span style="font-family: Consolas; font-size: 10.0pt;">System priorities range 0-139, (0-99 real time), (100-139 users)</span>

<div style="direction: ltr;"><table border="1" cellpadding="0" cellspacing="0" style="direction: ltr; border-collapse: collapse; border: 1pt solid #A3A3A3;" summary="" title=""><tbody><tr><td style="vertical-align: top; width: 3.0451in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">top

</td><td style="vertical-align: top; width: 2.7798in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">check active process priority  
PR = System priority (-99 to 39)  
NI = nice value (-20 to 19)

</td></tr><tr><td style="vertical-align: top; width: 3.0645in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">ps axo pid,comm,nice,cls --sort=-nice

</td><td style="vertical-align: top; width: 2.8298in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">show active processes nice, by nice

</td></tr><tr><td style="vertical-align: top; width: 3.0451in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">nice -n # process-name

</td><td style="vertical-align: top; width: 2.7798in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">set process value

</td></tr><tr><td style="vertical-align: top; width: 3.0451in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">nice -n -12 top

</td><td style="vertical-align: top; width: 2.7798in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">set top nice to -12

</td></tr><tr><td style="vertical-align: top; width: 3.0451in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">renice -n -15 &lt;PID&gt;

</td><td style="vertical-align: top; width: 2.7798in; padding: 2.0pt 3.0pt 2.0pt 3.0pt; border: 1pt solid #A3A3A3;">change active PID nice to -15   
(open 2nd terminal to check)

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