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2026-10-10 - 21:40
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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 Sat Oct 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911820,4ptp4l401ktimersoftd/309:52:313
1240921690,5sleep11075499cyclictest13:18:561
190621480,3sleep01074799cyclictest12:30:050
21802680,2sleep00-21swapper/013:07:230
10760996754,6cyclictest33-21ksoftirqd/214:37:232
106891660,1ptp4l401ktimersoftd/314:24:523
106891660,1ptp4l401ktimersoftd/312:13:353
10760996553,5cyclictest33-21ksoftirqd/212:57:182
10760996452,5cyclictest33-21ksoftirqd/214:02:182
106891630,1ptp4l401ktimersoftd/311:52:323
106891600,1ptp4l401ktimersoftd/312:02:263
104392604,10sleep20-21swapper/209:54:222
106891580,1ptp4l401ktimersoftd/312:19:553
106891580,1ptp4l401ktimersoftd/312:19:553
106891580,1ptp4l401ktimersoftd/310:43:493
106891580,1ptp4l401ktimersoftd/310:02:323
10760995744,5cyclictest33-21ksoftirqd/210:12:092
10754995750,4cyclictest25-21ksoftirqd/113:27:171
10760995645,5cyclictest33-21ksoftirqd/212:02:142
10760995642,8cyclictest33-21ksoftirqd/214:27:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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