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2026-09-23 - 02:22
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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 Wed Sep 23, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/028234-21kworker/0:218:55:290
17819816411cyclictest27121-21aten2.4_r3power23:50:170
17819815412cyclictest1998-21munin-node20:45:000
17819815311cyclictest5563-21aten2.4_r3power20:55:180
17819815212cyclictest3510-21munin-node00:20:200
17819815112cyclictest31251-21latency_hist20:34:510
17819815012cyclictest10412-21aten2.4_r3power22:55:290
17819814913cyclictest2659-21sendmail-mta21:45:390
17819814913cyclictest22227-21df20:05:070
17819814813cyclictest5660-21nfs_client19:10:190
17819814812cyclictest8458-21cpu21:05:130
17819814713cyclictest5754-21processes22:40:270
17819814712cyclictest7104-21aten2.4_r3power21:00:200
17819814712cyclictest3631-21mailstats19:05:000
17819814712cyclictest21273-21aten2.4_r3power20:00:270
17819814614cyclictest15303-21aten2.4-expect19:40:340
17819814613cyclictest13483-21aten2.4-expect21:20:230
17819814612cyclictest22315-21aten2.4_r3power21:50:110
17819814513cyclictest28485-21sed23:55:120
17819814512cyclictest2792-21runrttasks19:50:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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