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2025-12-11 - 19:20
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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 Dec 11, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
877573995651,4cyclictest1013010-21fwupd09:19:503
87757399310,22cyclictest1261462-21kthreadcore12:35:203
87757399310,21cyclictest1000583-21diskmemload09:45:223
87757399301,21cyclictest1251308-21ntpq12:25:253
87757399300,3cyclictest1081551-21ssh10:11:343
877573992918,4cyclictest1055539-21ntpq09:50:213
877573992917,2cyclictest0-21swapper/310:47:353
87757399291,2cyclictest1000583-21diskmemload11:13:443
87757399291,2cyclictest0-21swapper/311:53:513
87757399291,21cyclictest1139971-21apt-get11:00:123
87757399290,27cyclictest1132446-21ssh10:53:263
87757399290,20cyclictest1000583-21diskmemload12:09:393
87757199290,1cyclictest0-21swapper/211:52:162
877573992818,6cyclictest1070373-21apt-get10:05:133
877573992818,2cyclictest0-21swapper/311:24:093
877573992817,4cyclictest1196593-21sh11:44:513
87757399281,2cyclictest1000583-21diskmemload09:31:523
87757399280,2cyclictest1163452-21ssh11:15:313
87757399280,2cyclictest0-21swapper/312:10:323
87757399280,1cyclictest0-21swapper/310:39:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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