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2026-04-28 - 17:15
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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 Tue Apr 28, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14005199345316,19cyclictest29-21kswapd007:40:060
22006022660,4chrt220048-21ntpq11:55:540
17700122560,2sleep0176999-21open_files09:21:130
14005199224194,19cyclictest29-21kswapd007:41:040
14005199211179,20cyclictest197705-21kworker/u2:110:50:040
14005199209166,19cyclictest217209-21kworker/u2:011:50:030
14005199197165,20cyclictest197705-21kworker/u2:111:00:070
14005199195165,19cyclictest158227-21kworker/u2:108:50:050
14005199195164,20cyclictest193503-21kworker/u2:210:35:060
14005199189157,20cyclictest158227-21kworker/u2:108:25:030
19328621880,3sleep0193284-21forks10:20:190
15461221870,4chrt154609-21ntpq08:00:530
16983821840,4chrt169839-21ld08:55:380
14005199184150,23cyclictest158227-21kworker/u2:108:30:490
18613021830,2sleep0186129-21grep09:55:060
15821021810,3chrt158211-21latency_hist08:15:000
14005199181151,18cyclictest206074-21kworker/u2:211:15:070
14005199181150,20cyclictest186081-21kworker/u2:110:10:060
14005199181150,19cyclictest212547-21kworker/u2:212:25:070
14005199180149,19cyclictest210156-21kworker/u2:011:30:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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