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2026-04-24 - 07:02
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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 rack4slot1.osadl.org (updated Thu Apr 23, 2026 21:36:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
663421700,4chrt21141-21kworker/3:219:12:413
663421700,4chrt21141-21kworker/3:219:12:413
286221150,1sleep012-21ksoftirqd/021:27:290
286221150,1sleep012-21ksoftirqd/021:27:290
286221150,1sleep012-21ksoftirqd/021:27:290
230712980,4sleep00-21swapper/019:57:200
230712980,4sleep00-21swapper/019:57:200
82562970,1sleep012-21ksoftirqd/019:17:280
82562970,1sleep012-21ksoftirqd/019:17:280
45222940,2sleep14516-21find20:32:271
45222940,2sleep14516-21find20:32:271
83942910,1sleep012-21ksoftirqd/020:42:270
83942910,1sleep012-21ksoftirqd/020:42:270
83942910,1sleep012-21ksoftirqd/020:42:270
295482870,3sleep20-21swapper/220:12:302
160172870,3chrt0-21swapper/021:02:290
160172870,3chrt0-21swapper/021:02:290
160172870,3chrt0-21swapper/021:02:290
8712820,2chrt0-21swapper/221:26:022
8712820,2chrt0-21swapper/221:26:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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