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2025-12-21 - 11:56
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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 Dec 21, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2803623270,4sleep10-21swapper/119:09:551
383821850,3sleep12987899cyclictest23:55:051
1068911010,3ptp4l401ktimersoftd/319:14:183
2988399640,3cyclictest2517-21chrt19:20:582
29883995811,22cyclictest2614-21seq21:36:332
72132560,4sleep37215-21timerandwakeup21:45:113
2988999488,6cyclictest41-21ksoftirqd/323:49:463
262912470,3sleep12987899cyclictest21:20:001
2988999457,7cyclictest41-21ksoftirqd/300:10:003
29889994512,7cyclictest41-21ksoftirqd/320:00:053
2988999446,6cyclictest41-21ksoftirqd/300:30:083
2988999446,6cyclictest41-21ksoftirqd/300:30:083
2988999444,7cyclictest41-21ksoftirqd/320:49:563
2988999444,7cyclictest41-21ksoftirqd/320:49:563
2988999435,6cyclictest41-21ksoftirqd/323:54:573
2988999434,7cyclictest41-21ksoftirqd/322:55:023
2988999426,6cyclictest41-21ksoftirqd/322:30:123
2988999426,6cyclictest41-21ksoftirqd/319:55:003
2988999424,6cyclictest41-21ksoftirqd/319:14:523
2988999423,6cyclictest41-21ksoftirqd/319:29:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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