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2026-05-07 - 20:53
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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 Thu May 07, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11457222737,60sleep00-21swapper/019:07:520
11774991688,18cyclictest13336-21fw_forwarded_lo19:15:280
117749916843,109cyclictest10250irq/56-4a10000023:25:130
117749916246,97cyclictest3650irq/20-4900000000:02:150
11774991616,17cyclictest30207-21find20:20:430
117749916124,13cyclictest1408-21nginx21:16:160
117749916110,23cyclictest20330-21cron21:50:010
117749915929,111cyclictest10250irq/56-4a10000021:26:160
117749915832,107cyclictest28735-21sshd00:28:540
117749915830,117cyclictest18479-21ntp_states19:35:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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