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2025-12-06 - 13:47
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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 Sat Dec 06, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200279799341,2cyclictest0-21swapper/023:05:140
200279799341,20cyclictest2391325-21idleruntime-cro00:40:000
2002797993318,4cyclictest2283480-21sh23:12:310
200279799322,2cyclictest2246885-21apt-get22:45:110
200279799321,21cyclictest2090145-21apt-get20:35:120
200279799312,21cyclictest2095238-21apt-get20:40:140
200279799312,21cyclictest2003014-21apt-get19:10:130
2002797993118,2cyclictest2370635-21/usr/sbin/munin00:20:220
2002797993116,3cyclictest2189202-21ssh21:58:410
200279799311,2cyclictest2284575-21apt-get23:15:130
200279799310,21cyclictest1-21systemd21:40:000
2002797993018,3cyclictest2125951-21diskmemload00:29:330
200279799300,21cyclictest2302862-21ssh23:29:220
200279799300,21cyclictest2239778-21ssh22:38:200
200279799300,20cyclictest0-21swapper/022:58:240
200279799300,20cyclictest0-21swapper/022:58:230
2002797992919,8cyclictest2100835-21grep20:45:130
2002797992919,8cyclictest2038415-21cron19:45:000
200279799291,20cyclictest2125951-21diskmemload22:05:300
200279799291,19cyclictest0-21swapper/023:03:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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