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2025-12-24 - 09:23
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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 10 highest latencies:
System rackbslot6.osadl.org (updated Wed Dec 24, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
318121610,5sleep11015799cyclictest23:31:241
1068911170,8ptp4l28468-21kworker/3:019:13:413
98872644,10sleep00-21swapper/019:14:100
10157996434,3cyclictest25-21ksoftirqd/123:51:501
106891580,1ptp4l401ktimersoftd/322:46:463
247922570,3sleep00-21swapper/000:12:220
79182544,37sleep20-21swapper/219:11:262
10168995343,4cyclictest41-21ksoftirqd/323:26:363
106891510,1ptp4l401ktimersoftd/300:01:153
10157994829,3cyclictest25-21ksoftirqd/121:06:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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