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2026-04-06 - 02:51
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Mon Apr 06, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27743210614,79sleep027756-21munin-node20:41:280
46021040,4sleep0459-21sh20:56:480
430210214,15sleep0457-21munin-node00:16:400
4030210014,15sleep04039-21sensors22:46:530
14729210014,15sleep014730-21diskstats21:41:230
10963210014,15sleep03250-21snmpd21:29:270
2757629914,16sleep027628-21wget00:01:160
155729814,16sleep01581-21grep19:21:190
872729714,16sleep08735-21grep00:41:410
2312829714,16sleep023133-21grep23:46:320
32180999615,71cyclictest13114-21chrt21:36:230
32180999614,73cyclictest3546-21entropy00:26:230
32180999614,73cyclictest30575-21seq00:09:590
32180999614,72cyclictest24179-21munin-node20:31:140
2153529614,16sleep021559-21ntpq20:21:430
32180999514,72cyclictest6840-21munin-node00:36:250
32180999514,71cyclictest29091-21cut20:46:140
32180999513,72cyclictest26746-21munin-node23:56:530
3080829514,15sleep030812-21df20:51:160
32180999415,70cyclictest32420-21latency_hist00:16:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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