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2026-05-08 - 05:21
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot2.osadl.org (updated Fri May 08, 2026 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38678119910489,6cyclictest3867738-21kworker/u4:3+events_unbound19:17:271
3867811999589,4cyclictest3869032-21kworker/u4:5+events_unbound19:37:301
3867811999582,6cyclictest3871610-21kworker/u4:6+events_unbound19:22:281
3867811999487,5cyclictest3876723-21kworker/u4:10+events_unbound19:47:321
3867811999084,4cyclictest3874151-21kworker/u4:2+events_unbound19:32:301
3867811998982,5cyclictest3941639-21kworker/u4:11+events_unbound21:58:021
3867811998679,5cyclictest3885734-21kworker/u4:17+events_unbound21:02:511
3867811998575,7cyclictest3937086-21kworker/u4:1+events_unbound22:48:181
3867811998376,5cyclictest4003274-21kworker/u4:2+events_unbound23:08:221
3867811998375,6cyclictest3871610-21kworker/u4:6+events_unbound19:42:311
3867810997358,10cyclictest53-21kswapd000:15:140
386781099733,6cyclictest3904160-21ntpq21:15:270
3867811997266,5cyclictest4060571-21kworker/u4:15+events_unbound00:28:341
3867810997261,8cyclictest3894785-21kworker/u4:19+events_unbound22:18:100
3867810997261,8cyclictest3894785-21kworker/u4:19+events_unbound22:18:100
3867810997227,42cyclictest4031610-21sendmail23:40:000
3867810997158,11cyclictest53-21kswapd023:30:110
3867810997137,31cyclictest4062335-21latency_hist00:15:020
3867810997021,46cyclictest25650irq/23-42890000.ethernet23:05:430
3867810996933,30cyclictest3894823-21munin-plugin-st20:55:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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