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2025-12-13 - 15:47
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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 Sat Dec 13, 2025 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2787381993228,2cyclictest0-21swapper/311:25:003
2787376992723,3cyclictest514-21in:imuxsock09:30:002
278737699270,23cyclictest2916270-21sshd09:15:122
278737699260,23cyclictest3105029-21tr12:20:172
2787381992520,2cyclictest3033231-21apt-get11:10:123
278738199251,20cyclictest3028177-21apt-get11:05:123
278738199250,23cyclictest0-21swapper/309:30:113
278737399251,20cyclictest2931477-21apt-get09:30:121
278737199252,3cyclictest3053477-21apt-get11:30:140
278737199252,21cyclictest2890950-21apt-get08:50:130
278737199252,21cyclictest2793101-21apt-get07:15:090
278737199251,22cyclictest2824510-21apt-get07:45:120
278737199251,21cyclictest2865631-21apt-get08:25:140
2787381992421,2cyclictest2819911-21ps07:40:163
2787381992420,2cyclictest3079246-21apt-get11:55:133
278738199241,20cyclictest0-21swapper/307:10:123
278738199240,21cyclictest3105023-21ps12:20:173
278738199240,21cyclictest0-21swapper/312:30:123
2787376992419,3cyclictest2849649-21cron08:10:012
278737699241,20cyclictest2911212-21apt-get09:10:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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