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2026-03-21 - 11:58
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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 Sat Mar 21, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
226634422640,2sleep02266345-21ntpq22:50:500
225885422620,2sleep02258856-21sh22:25:000
226098622490,2sleep02260988-21grep22:31:190
220367822490,4chrt2203672-21ntp_states19:05:460
224266722460,4chrt2242665-21ld21:25:520
221894622420,2chrt22-21kcompactd020:00:420
220450699211183,18cyclictest2289672-21kworker/u2:000:40:060
222966322080,2sleep02229665-21latency_hist20:40:070
220450699203172,19cyclictest2270548-21kworker/u2:100:00:260
223107922000,2sleep02231081-21latency_hist20:45:070
220450699200170,18cyclictest2289672-21kworker/u2:000:20:060
220450699198168,18cyclictest2268996-21kworker/u2:023:05:070
220450699198167,19cyclictest2200295-21kworker/u2:019:15:020
220450699196166,18cyclictest2206338-21kworker/u2:219:20:020
220878421950,4chrt2208785-21latency_hist19:25:070
220450699192164,18cyclictest2235165-21kworker/u2:222:30:040
220450699190162,18cyclictest2289672-21kworker/u2:000:35:070
220450699190160,19cyclictest2270548-21kworker/u2:123:20:030
220450699190160,18cyclictest2270548-21kworker/u2:123:55:070
220450699189160,18cyclictest2270548-21kworker/u2:123:15:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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