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2026-04-18 - 03:15
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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 Sat Apr 18, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2133302999337,14cyclictest2199971-21modprobe21:50:011
2133302998475,7cyclictest2184565-21kworker/u4:2+events_unbound21:36:041
2133302997972,5cyclictest2242555-21kworker/u4:9+events_unbound22:51:201
2133302997970,6cyclictest2143568-21kworker/u4:3+events_unbound19:50:021
2133299997973,4cyclictest2241905-21kworker/u4:2+events_unbound23:01:210
2133299997869,6cyclictest2123351-21kworker/u4:9+events_unbound20:25:000
2133299997430,27cyclictest0-21swapper/023:05:410
2133302997265,5cyclictest2133297-21cyclictest00:01:431
2133302997265,5cyclictest2133297-21cyclictest00:01:421
2133299997221,28cyclictest25650irq/23-42890000.ethernet21:25:370
2133299997217,32cyclictest2205786-21ssh21:55:370
213329999712,63cyclictest2133297-21cyclictest19:09:590
2133299997119,33cyclictest2275300-21df_inode23:15:160
2133302996960,6cyclictest2241905-21kworker/u4:2+events_unbound00:13:291
2133299996940,26cyclictest378-21dbus-daemon00:33:490
213329999693,44cyclictest0-21swapper/023:45:300
2133299996828,37cyclictest25650irq/23-42890000.ethernet00:00:340
2133299996828,37cyclictest25650irq/23-42890000.ethernet00:00:330
2133302996656,8cyclictest2202713-21kworker/u4:0+events_unbound22:16:121
2133302996642,18cyclictest0-21swapper/122:05:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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