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2026-05-21 - 20:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot4.osadl.org (updated Thu May 21, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
406768999331,3cyclictest175475-21grep12:05:143
4067689993016,6cyclictest4124542-21munin-plugin-st08:05:003
406768999301,3cyclictest4185859-21apt-get09:05:123
406768999301,2cyclictest0-21swapper/307:40:003
406768999301,2cyclictest0-21swapper/307:39:593
406768999300,2cyclictest4072876-21sed07:15:003
4067680993015,13cyclictest4175081-21cron08:55:010
406768099301,26cyclictest0-21swapper/009:05:130
406768099301,1cyclictest103162-21apt-get10:55:110
4067689992916,5cyclictest48056-21tr10:00:183
406768999290,22cyclictest153905-21cron11:45:003
406768999290,20cyclictest21956-21systemd-run09:35:003
406768099291,2cyclictest4139976-21apt-get08:20:110
406768099290,3cyclictest46577-21/usr/sbin/munin09:55:220
406768099290,28cyclictest0-21swapper/010:40:100
406768099290,20cyclictest175473-21grep12:05:150
406768099290,1cyclictest4072864-21apt-config07:15:000
406768999281,20cyclictest87970-21apt-get10:40:093
406768999280,3cyclictest82892-21/usr/sbin/munin10:35:133
406768099281,20cyclictest149109-21apt-get11:40:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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