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2026-06-07 - 02:00
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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 Jun 06, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
380321820,5sleep21517999cyclictest00:21:092
2853621310,4sleep31518799cyclictest00:46:313
1068911040,3ptp4l401ktimersoftd/320:44:363
33652760,4sleep23369-21ptp4l-jitter00:52:362
15187996857,6cyclictest41-21ksoftirqd/323:07:233
15187996855,7cyclictest41-21ksoftirqd/300:52:263
106891650,1ptp4l401ktimersoftd/323:19:153
218412640,2sleep30-21swapper/323:00:043
15187996349,7cyclictest41-21ksoftirqd/321:47:223
10612630,2sleep00-21swapper/023:44:290
15187996147,7cyclictest41-21ksoftirqd/322:52:243
164722600,2sleep20-21swapper/200:32:532
302052590,4sleep030204-21basename23:42:120
294972590,1sleep30-21swapper/301:52:363
15187995946,7cyclictest41-21ksoftirqd/321:17:193
106891590,1ptp4l401ktimersoftd/301:02:483
15187995847,5cyclictest41-21ksoftirqd/323:22:253
15187995846,6cyclictest41-21ksoftirqd/321:57:223
15187995646,6cyclictest41-21ksoftirqd/302:07:273
15173995644,6cyclictest25-21ksoftirqd/123:37:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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