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2025-08-29 - 14:34
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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 Fri Aug 29, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161861922570,3chrt1618587-21/usr/sbin/munin07:15:060
168135322550,4chrt1681351-21/usr/sbin/munin10:40:350
165080922550,2sleep01650811-21sort09:10:110
171776222540,4chrt1717761-21/usr/sbin/munin12:30:220
167811322430,2sleep01678114-21/usr/sbin/munin10:30:350
171139322330,3chrt1711390-21ntpq12:10:570
161720099212183,17cyclictest1662528-21kworker/u2:110:05:060
161720099212182,18cyclictest1657217-21kworker/u2:009:40:280
169486422090,3sleep01694865-21cat11:21:160
161720099208178,20cyclictest29-21kswapd008:41:080
170490722070,3sleep01704906-21ld11:51:410
161720099204174,18cyclictest1697240-21kworker/u2:111:55:280
161720099203169,23cyclictest112-21systemd-journal07:39:430
161720099202173,19cyclictest1657217-21kworker/u2:010:05:320
167276722010,2sleep01672768-21date10:15:090
161720099201173,17cyclictest1689484-21kworker/u2:111:10:280
164835721960,2sleep01648358-21ls09:00:320
161720099195160,23cyclictest1665921-21true09:55:040
170188921940,2sleep01701892-21sed11:41:550
161720099192157,23cyclictest1626301-21ntpq07:41:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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