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2026-09-07 - 10:35
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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 Mon Sep 07, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
187442823050,4chrt1874417-21ntpq22:56:100
182401922900,3sleep01824021-21latency19:55:280
180999522730,3sleep01809996-21/usr/sbin/munin19:05:210
185462722610,2sleep01854631-21tr21:45:270
181307322520,2sleep01813074-21gcc19:15:550
183074322460,3chrt1830744-21latency_hist20:20:080
186441522310,4chrt1864417-21latency22:20:270
181112099220190,18cyclictest1901343-21kworker/u2:100:40:040
181112099215185,18cyclictest1884565-21kworker/u2:123:40:040
181112099214183,19cyclictest1878503-21kworker/u2:123:20:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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