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2026-04-27 - 00:14
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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 Apr 26, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911160,8ptp4l9187-21kworker/3:208:20:213
312822630,2sleep20-21swapper/212:22:252
18135996313,12cyclictest1055-21runrttasks13:51:033
179222634,10sleep00-21swapper/008:23:270
1813599619,18cyclictest23775-21taskset09:40:143
311702580,2sleep00-21swapper/011:50:030
18135995812,17cyclictest29286-21ssh12:54:253
18135995812,17cyclictest29286-21ssh12:54:253
208212560,2sleep10-21swapper/113:18:161
18135995613,13cyclictest14496-21ssh13:11:113
269912550,3sleep0111rcuc/009:49:460
18135995512,19cyclictest13627-21ssh10:25:283
18135995512,12cyclictest21087-21ssh13:18:443
18135995510,12cyclictest0-21swapper/312:58:473
1813599549,12cyclictest21567-21dpkg10:35:003
18135995413,19cyclictest10086-21ssh11:28:263
18135995413,12cyclictest7027-21ssh11:58:013
18135995412,18cyclictest18063-21ssh13:48:353
18135995411,13cyclictest3022-21taskset08:58:213
18135995411,11cyclictest21192-21ssh11:05:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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