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2026-06-17 - 04:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rackdslot0.osadl.org (updated Wed Jun 17, 2026 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25629992320,2cyclictest8882-21mailstats23:20:211
25628992316,6cyclictest0-21swapper/000:20:000
2563099213,11cyclictest24731-21ls22:55:002
2562999210,6cyclictest6561-21nfsd422:20:181
2562999210,18cyclictest0-21swapper/122:59:281
25628992113,4cyclictest0-21swapper/021:45:330
2563099200,19cyclictest843-21systemd-network22:45:212
2563099192,2cyclictest29746-21cut21:10:012
25630991914,3cyclictest0-21swapper/222:17:082
2563099190,18cyclictest12456-21sendmail_mailqu19:40:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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