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2026-04-10 - 03:31
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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 Fri Apr 10, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267124499271,22cyclictest2860613-21apt-get22:15:121
267124099262,22cyclictest2936478-21apt-get23:30:100
2671247992520,2cyclictest2998150-21apt-get00:30:122
267124799251,21cyclictest2962223-21apt-get23:55:122
267124799251,20cyclictest2732615-21apt-get20:10:092
267124499252,21cyclictest2830295-21apt-get21:45:131
2671244992519,3cyclictest2768373-21apt-get20:45:121
267124499251,20cyclictest2794451-21apt-get21:10:131
2671240992517,6cyclictest2886433-21sed22:40:160
267124099251,22cyclictest3002893-21sshd00:34:100
267124099250,21cyclictest2850482-21apt-get22:05:130
2671249992418,4cyclictest2956866-21cron23:49:593
267124999241,20cyclictest2941534-21apt-get23:35:123
267124999241,20cyclictest2921282-21apt-get23:15:133
267124999241,20cyclictest0-21swapper/321:05:113
267124999240,23cyclictest2812608-21grep21:25:183
267124999240,23cyclictest2812608-21grep21:25:183
2671247992420,2cyclictest2916226-21apt-get23:10:112
2671247992418,4cyclictest2886883-21sed22:40:162
267124799241,21cyclictest2778904-21apt-get20:55:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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