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2026-05-06 - 05:20
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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 May 06, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2190521760,4sleep21749399cyclictest21:45:162
126302850,5sleep21749399cyclictest23:35:452
106891700,4ptp4l401ktimersoftd/320:27:513
106891630,1ptp4l401ktimersoftd/300:25:273
106891630,1ptp4l401ktimersoftd/300:25:273
17501996254,4cyclictest41-21ksoftirqd/322:50:143
171542624,46sleep00-21swapper/020:27:050
17501996150,5cyclictest41-21ksoftirqd/320:55:123
211752600,5sleep01748199cyclictest20:35:170
17501996050,4cyclictest41-21ksoftirqd/323:55:173
17501995848,5cyclictest41-21ksoftirqd/322:30:143
106891570,1ptp4l401ktimersoftd/323:51:263
43022540,2sleep10-21swapper/100:34:501
17501995442,5cyclictest41-21ksoftirqd/321:40:143
17501995342,5cyclictest41-21ksoftirqd/323:25:153
106891520,1ptp4l401ktimersoftd/301:01:583
197172510,2sleep30-21swapper/300:16:013
17501995140,4cyclictest41-21ksoftirqd/321:50:133
164822506,11sleep20-21swapper/220:25:302
170472494,33sleep10-21swapper/120:25:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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