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2026-04-15 - 23:12
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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 10 highest latencies:
System rack3slot2.osadl.org (updated Wed Apr 15, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216526423040,3chrt2165265-21timerwakeupswit09:36:200
215395722450,3chrt2153955-21find08:56:170
212391899238204,22cyclictest2138156-21awk08:00:220
220940022360,4chrt2209397-21ntpq12:15:390
218144922340,3chrt2181450-21load10:35:280
212391899232199,21cyclictest29-21kswapd007:56:120
212391899225187,26cyclictest2132218-31find07:39:370
212391899220186,22cyclictest2133866-21/usr/sbin/munin07:45:220
212391899215185,18cyclictest2194619-21kworker/u2:012:15:020
212391899207177,19cyclictest2159279-21kworker/u2:209:20:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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