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2025-11-26 - 13:50
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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 Wed Nov 26, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
345761199316,22cyclictest3691505-21ld22:35:223
345761199296,21cyclictest3617973-21ssh21:39:303
3457611992924,3cyclictest3731381-21ssh23:10:113
3457611992924,3cyclictest3731381-21ssh23:10:113
3457611992923,4cyclictest3759904-21kthreadcore23:30:183
345761199286,21cyclictest3699662-21ssh22:45:003
345761199286,21cyclictest3674065-21ssh22:23:293
345761199286,21cyclictest0-21swapper/300:35:013
345761199284,22cyclictest0-21swapper/321:05:113
345761199284,21cyclictest0-21swapper/323:35:163
345761199283,23cyclictest0-21swapper/323:20:143
3457611992824,3cyclictest3667248-21sh22:16:373
3457611992823,3cyclictest3608297-21cut21:30:193
345761199274,22cyclictest0-21swapper/300:15:533
345761199273,23cyclictest3579989-21diskmemload23:43:313
345761199273,22cyclictest3579989-21diskmemload22:34:003
3457611992723,3cyclictest3811861-21ssh00:11:193
3457611992723,3cyclictest3780874-21ssh23:47:373
3457611992723,2cyclictest3593671-21hddtemp_smartct21:20:183
3457611992722,4cyclictest3819596-21apt-key00:20:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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