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2026-02-16 - 14:24
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rackdslot1.osadl.org (updated Mon Feb 16, 2026 00:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1802521420,6sleep32803099cyclictest21:05:263
134491820,2ptp4l19746-21kworker/2:223:30:462
134491720,2ptp4l121rcu_preempt23:15:202
2802899719,60cyclictest12006-21kworker/1:221:58:091
2802899717,62cyclictest10481-21kworker/1:100:00:481
28028996717,48cyclictest12006-21kworker/1:220:15:291
28028996714,16cyclictest13875-21taskset20:56:011
2802799677,17cyclictest26627-21perl22:35:170
28028996613,48cyclictest174322sleep123:25:121
28028996512,12cyclictest13709-21taskset19:46:361
28028996414,15cyclictest18472-21chrt19:58:441
28028996412,10cyclictest7033-21chrt21:51:491
28028996411,11cyclictest21126-21taskset22:24:541
28028996410,52cyclictest30468-21kworker/1:222:50:291
28028996313,10cyclictest32626-21chrt22:46:411
134491630,29ptp4l33-21ksoftirqd/221:35:002
28028996213,15cyclictest2458-21chrt20:33:141
28028996212,12cyclictest12484-21chrt23:14:091
28028996112,13cyclictest23811-21taskset23:36:311
2802799603,17cyclictest19000-21sed22:20:000
134491600,4ptp4l0-21swapper/223:00:042
28028995915,11cyclictest25687-21seq21:24:201
28028995914,17cyclictest15963-21chrt19:51:021
28028995914,12cyclictest4341-21taskset19:25:371
28028995914,11cyclictest8012-21chrt00:13:431
28028995912,12cyclictest32328-21seq20:25:591
28028995912,12cyclictest23293-21chrt22:25:311
28028995912,11cyclictest32443-21chrt21:37:211
28028995912,11cyclictest1317-21runrttasks00:36:201
134491590,5ptp4l22719-21ls20:05:273
134491590,4ptp4l0-21swapper/323:46:293
134491590,3ptp4l0-21swapper/322:15:183
134491590,23ptp4l0-21swapper/223:57:472
28028995815,10cyclictest4901-21seq21:49:441
28028995815,10cyclictest11316-21taskset19:40:331
28028995815,10cyclictest11316-21taskset19:40:331
28028995814,11cyclictest22858-21seq20:05:451
28028995814,10cyclictest30250-21chrt20:23:521
28028995813,16cyclictest9231-21chrt20:45:381
28028995813,11cyclictest30853-21chrt23:52:561
28028995813,10cyclictest4779-21chrt20:38:281
28028995812,12cyclictest9022-21seq19:35:491
2802799588,11cyclictest1317-21runrttasks22:31:200
2802799582,11cyclictest1-21systemd21:10:260
2802799580,19cyclictest0-21swapper/000:00:170
134491580,4ptp4l0-21swapper/323:50:133
134491580,4ptp4l0-21swapper/321:20:033
134491580,3ptp4l0-21swapper/223:53:592
28028995715,17cyclictest13888-21seq22:06:001
28028995714,12cyclictest14712-21taskset00:25:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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