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2025-05-24 - 12:22
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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 May 24, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295638999302,25cyclictest3277840-21apt-get23:45:160
295639999261,21cyclictest3328863-21apt-get00:25:133
2956396992622,2cyclictest0-21swapper/223:30:012
295639399262,22cyclictest2986818-21ls19:40:001
295639399261,23cyclictest3345700-21ntpq00:35:221
295639399260,24cyclictest3211646-21nvmesmart_nvme022:50:271
295639999250,22cyclictest3296630-21cron00:00:013
295639699252,20cyclictest3233340-21apt-get23:10:152
295639699251,21cyclictest2961705-21apt-get19:15:112
295639699250,4cyclictest3303047-21turbostat00:05:002
295639699250,23cyclictest3345499-21latency00:35:192
295639399252,3cyclictest2987096-21apt-get19:40:161
295639399252,21cyclictest2971863-21apt-get19:25:131
2956393992519,3cyclictest3058769-21apt-get20:50:121
295639399251,21cyclictest3078889-21diskmemload22:55:061
295639399251,21cyclictest2992192-21apt-get19:45:131
295639399251,20cyclictest0-21swapper/122:20:191
295639399250,24cyclictest3337071-21cut00:30:201
2956389992520,3cyclictest2956611-21apt-get19:10:140
2956399992420,2cyclictest2987096-21apt-get19:40:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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