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2026-05-08 - 14:29
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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 Fri May 08, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
844521690,4sleep1756099cyclictest23:44:131
106891980,4ptp4l401ktimersoftd/320:29:493
106891720,1ptp4l401ktimersoftd/300:06:403
106891700,1ptp4l401ktimersoftd/323:35:163
106891660,1ptp4l401ktimersoftd/321:11:253
273792620,2sleep00-21swapper/023:31:070
106891600,1ptp4l401ktimersoftd/300:51:513
182772590,2sleep30-21swapper/321:56:353
91652580,2sleep20-21swapper/201:56:392
239482580,2sleep00-21swapper/001:39:310
106891580,1ptp4l401ktimersoftd/323:56:393
106891580,1ptp4l401ktimersoftd/322:42:573
106891570,1ptp4l401ktimersoftd/301:02:153
131852560,4sleep3757499cyclictest23:16:213
106891510,2ptp4l14087-21kworker/3:201:55:323
106891490,1ptp4l401ktimersoftd/301:42:053
106891480,1ptp4l401ktimersoftd/301:18:193
106891450,2ptp4l6683-21kworker/3:022:40:373
106891430,2ptp4l14087-21kworker/3:201:30:433
106891430,2ptp4l14087-21kworker/3:201:30:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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