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2026-09-20 - 20:02
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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 20 highest latencies:
System rackbslot6.osadl.org (updated Sun Sep 20, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1813021550,3sleep21216299cyclictest13:03:482
1068911050,4ptp4l401ktimersoftd/309:44:303
1068911050,4ptp4l401ktimersoftd/309:44:303
226162700,2sleep30-21swapper/312:01:383
117602684,10sleep00-21swapper/009:42:150
117602684,10sleep00-21swapper/009:42:150
280692670,2sleep10-21swapper/112:07:341
12170996454,4cyclictest41-21ksoftirqd/315:01:153
12170996454,4cyclictest41-21ksoftirqd/315:01:153
1214999641,27cyclictest4390-21latency11:41:190
1214999630,28cyclictest12470-21awk13:31:200
107072630,2sleep10-21swapper/111:51:041
282432620,2sleep10-21swapper/113:46:351
1214999621,33cyclictest14690-21sed12:26:280
12170996150,5cyclictest41-21ksoftirqd/312:11:143
1214999610,26cyclictest25316-21latency_hist12:05:590
12170995946,6cyclictest41-21ksoftirqd/309:56:083
1214999590,27cyclictest5534-21diskmemload11:57:190
1214999590,26cyclictest5534-21diskmemload14:45:050
153412580,2sleep30-21swapper/314:40:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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