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2026-04-08 - 10:27
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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 Wed Apr 08, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911060,4ptp4l401ktimersoftd/320:10:363
106891730,1ptp4l401ktimersoftd/321:40:013
1213996552,7cyclictest9-21ksoftirqd/023:24:450
263692630,4sleep2122399cyclictest00:55:062
165502610,2sleep20-21swapper/200:45:112
249702580,5sleep2122399cyclictest01:27:102
106891580,1ptp4l401ktimersoftd/300:05:103
16682560,3sleep1241ktimersoftd/101:04:371
150092560,5sleep315011-21fschecks_time00:44:513
1213995645,6cyclictest9-21ksoftirqd/000:44:470
106891560,1ptp4l401ktimersoftd/323:58:023
106891560,1ptp4l401ktimersoftd/323:58:023
275022550,2sleep10-21swapper/122:45:211
220542550,1sleep10-21swapper/101:24:481
1213995542,6cyclictest9-21ksoftirqd/020:19:410
1213995542,6cyclictest9-21ksoftirqd/020:19:410
106891550,1ptp4l401ktimersoftd/322:40:173
1231995447,4cyclictest41-21ksoftirqd/301:04:493
1218995313,3cyclictest2754-21sh22:54:351
71092520,2sleep20-21swapper/200:04:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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