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2026-07-02 - 16:38
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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 Thu Jul 02, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911060,4ptp4l401ktimersoftd/309:00:033
106891670,1ptp4l401ktimersoftd/309:37:043
106891650,1ptp4l401ktimersoftd/314:25:183
106891650,1ptp4l401ktimersoftd/314:25:183
259742620,2sleep00-21swapper/012:47:080
136212620,2sleep10-21swapper/114:12:131
106891560,1ptp4l401ktimersoftd/313:21:143
37062550,4sleep13698-21ssh11:52:011
190452550,3sleep0101ktimersoftd/009:52:080
72982530,2sleep30-21swapper/310:37:033
251492504,35sleep10-21swapper/108:59:411
106891480,14ptp4l683-21kworker/3:113:14:563
63622470,2sleep00-21swapper/009:26:590
106891460,0ptp4l401ktimersoftd/312:45:213
106891460,0ptp4l401ktimersoftd/312:45:213
106891430,1ptp4l401ktimersoftd/313:26:323
106891420,1ptp4l401ktimersoftd/311:52:003
106891410,1ptp4l401ktimersoftd/309:12:193
2511524019,11sleep09-21ksoftirqd/008:59:160
106891400,1ptp4l401ktimersoftd/311:17:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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