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2026-07-17 - 17:26
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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 10 highest latencies:
System rack7slot8.osadl.org (updated Fri Jul 17, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2133427380,14sleep021332-21mailstats19:05:500
30083210611,13sleep030081-21fw_conntrack23:55:450
948321055,16sleep01608-21ntpd22:35:410
2305321055,12sleep023056-21fw_forwarded_lo23:30:300
219889910351,37cyclictest3650irq/20-4900000023:37:110
2717121026,11sleep027230-21cpuspeed19:30:160
446421010,6chrt4462-21tr22:15:370
219889910140,27cyclictest0-21swapper/019:50:210
262202996,11sleep026218-21ntp_states19:25:410
21988999941,41cyclictest0-21swapper/021:18:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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