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2026-01-09 - 10:11
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot2.osadl.org (updated Fri Jan 09, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502750,0irq/46-4a10000012-21ksoftirqd/019:08:160
250429913044,0cyclictest18299-21/usr/sbin/munin21:55:130
250429912644,0cyclictest19435-21fschecks_time20:24:450
250429912639,0cyclictest22612-21/usr/sbin/munin22:09:300
250429912538,0cyclictest15182-21/usr/sbin/munin23:20:150
250429912239,0cyclictest12-21ksoftirqd/019:10:210
250429912233,0cyclictest15415-21seq20:14:120
250429912232,0cyclictest3205-21runrttasks21:11:300
250429912231,0cyclictest27061-21chrt19:14:250
250429912142,0cyclictest0-21swapper21:48:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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