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2026-07-19 - 23:29
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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 Jul 19, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911630,5ptp4l401ktimersoftd/309:06:473
20282700,1sleep00-21swapper/009:16:280
106891690,1ptp4l401ktimersoftd/314:27:013
106891620,1ptp4l401ktimersoftd/314:01:423
316562610,2sleep30-21swapper/311:51:243
50192600,2sleep20-21swapper/211:24:172
106891600,1ptp4l401ktimersoftd/310:11:373
306382590,2sleep10-21swapper/111:16:411
300312594,10sleep20-21swapper/209:10:092
294042594,41sleep00-21swapper/009:06:350
106891560,1ptp4l401ktimersoftd/314:10:303
106891560,1ptp4l401ktimersoftd/311:38:183
25962520,1sleep00-21swapper/014:06:310
30231995042,5cyclictest25-21ksoftirqd/110:06:241
30231994839,5cyclictest25-21ksoftirqd/110:36:221
30231994824,5cyclictest25-21ksoftirqd/112:46:441
30231994818,9cyclictest25-21ksoftirqd/113:31:321
106891480,2ptp4l12018-21kworker/3:212:35:223
106891480,1ptp4l401ktimersoftd/312:18:573
3023199474,5cyclictest25-21ksoftirqd/114:11:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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