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2025-12-07 - 12:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Sun Dec 07, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320493822600,2sleep03204939-21cut23:05:100
315104622490,4chrt3151043-21ntpq20:15:550
322897622470,4chrt3228974-21memory00:15:370
315946922390,3chrt3159462-21ntp_states20:46:030
314629422390,3chrt3146291-21munin-run20:00:000
321570522320,2chrt3215703-21ntpq23:36:350
320844622310,3chrt3208444-21ssh23:15:250
318616822230,3chrt3186166-21ssh22:09:490
323266022070,2sleep03232661-21sh00:26:310
318070422060,3sleep03180705-21rm21:52:520
313235199199168,19cyclictest3211430-21kworker/u2:000:00:380
313235199193162,19cyclictest3231709-21kworker/u2:000:25:050
315272821900,2sleep03152729-21cat20:21:200
313235199189160,17cyclictest3181148-21kworker/u2:222:11:370
322238521880,3sleep03222386-21ssh23:56:150
313235199187159,17cyclictest3211430-21kworker/u2:023:30:380
313235199186156,19cyclictest3193416-21kworker/u2:122:40:070
313235199186156,19cyclictest3181148-21kworker/u2:222:05:050
313235199185156,18cyclictest3201202-21kworker/u2:023:00:080
313235199179149,19cyclictest3169210-21kworker/u2:021:20:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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