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2026-06-03 - 17:50
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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 rackbslot6.osadl.org (updated Wed Jun 03, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
433221570,4sleep01231299cyclictest11:50:520
1068911180,8ptp4l20635-21kworker/3:108:44:193
110782780,2sleep10-21swapper/108:41:051
320562720,2sleep30-21swapper/313:25:583
218482670,2sleep10-21swapper/113:47:281
322582650,3sleep10-21swapper/110:31:161
1232099640,24cyclictest4900-21fschecks_count13:31:071
106891640,1ptp4l401ktimersoftd/313:11:493
106891610,1ptp4l401ktimersoftd/313:25:463
1232099601,32cyclictest29624-21ssh11:10:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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