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2026-05-04 - 09:34
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot4.osadl.org (updated Mon May 04, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193821799298,2cyclictest0-21swapper/200:20:162
193821399272,22cyclictest1964184-21apt-get19:35:131
193821399270,24cyclictest702-21runrttasks19:10:101
193821999262,20cyclictest2096285-21apt-get21:45:123
1938217992623,2cyclictest1-21systemd00:35:002
193821799260,24cyclictest2157048-21cron22:44:592
193821399261,5cyclictest2137596-21grep22:25:141
193821399261,21cyclictest0-21swapper/123:30:111
1938209992621,3cyclictest2229061-21apt-get23:55:120
1938217992520,3cyclictest2055345-21apt-get21:05:142
193821399251,2cyclictest2004697-21apt-get20:15:111
193821399251,21cyclictest2009777-21apt-get20:20:131
1938209992520,3cyclictest2030045-21apt-get20:40:110
1938209992520,3cyclictest1943512-21apt-get19:15:120
193821999242,2cyclictest2060422-21apt-get21:10:123
1938219992422,1cyclictest1938204-21cyclictest21:58:363
1938219992420,2cyclictest0-21swapper/321:40:163
193821999240,20cyclictest0-21swapper/320:10:123
1938217992421,2cyclictest2264536-21fwupd00:28:562
1938217992419,3cyclictest2086678-21grep21:35:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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