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2026-07-12 - 11:08
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Sun Jul 12, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/016140-21kworker/0:218:59:490
185789815413cyclictest17927-21timerandwakeup00:15:170
185789815120cyclictest19499-21aten2.4-expect20:50:140
185789814812cyclictest32705-21munin-node19:50:110
185789814713cyclictest3292-21munin-node23:30:190
185789814712cyclictest31230-21cut19:44:470
185789814612cyclictest17247-21munin-node20:45:160
185789814611cyclictest31775-21aten2.4_r3power21:30:080
185789814512cyclictest7923-21sendmail_mailtr23:44:450
185789814512cyclictest1759-21munin-node21:39:580
185789814413cyclictest13183-21aten2.4_r3power00:00:090
185789814412cyclictest29352-21runrttasks19:38:160
185789814313cyclictest6692-21awk23:39:580
185789814312cyclictest13868-21runrttasks22:18:230
185789814113cyclictest6776-21munin-node21:54:590
185789814113cyclictest19231-21nfs_client22:35:050
185789813912cyclictest2299-21nfs_client19:55:050
185789813713cyclictest22092-21cpu22:44:570
185789813712cyclictest22463-21nfs_client19:15:060
185789813612cyclictest10029-21nfs_client22:05:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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