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2026-04-22 - 14:26
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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 Wed Apr 22, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137550299365327,26cyclictest1383786-31find07:39:350
137550299333305,18cyclictest29-21kswapd007:40:200
142208422490,3chrt1422079-21ntpq09:55:450
141086922490,3chrt1410864-21ntpq09:15:400
146699922400,3chrt1467000-21timerandwakeup12:36:170
140654422400,3sleep01406547-21sed09:00:250
137550299229200,19cyclictest29-21kswapd007:45:210
137550299228198,18cyclictest1377335-21kworker/u2:007:35:070
144809022190,2sleep01448091-21cat11:30:070
137550299215185,18cyclictest1377335-21kworker/u2:007:25:040
137550299210180,19cyclictest1459181-21kworker/u2:212:25:030
137550299206177,18cyclictest1374104-21kworker/u2:107:11:190
137550299205172,21cyclictest1392410-21/usr/sbin/munin08:10:200
137458622040,4sleep01374587-21ld07:05:320
143409021990,3sleep01434092-21sh10:40:000
137550299199169,18cyclictest1377335-21kworker/u2:007:20:040
144527921970,2sleep01445280-21/usr/sbin/munin11:20:040
137550299195168,18cyclictest1396471-21kworker/u2:108:35:040
137550299195165,19cyclictest1416452-21kworker/u2:110:10:030
137550299192161,20cyclictest1403871-21kworker/u2:209:00:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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