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2026-01-27 - 02:03
[ 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 100 highest latencies:
System rack6slot0.osadl.org (updated Mon Jan 26, 2026 13:00:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287299218214,2cyclictest0-21swapper/2907:25:0022
287299218214,2cyclictest0-21swapper/2907:25:0022
286999206202,2cyclictest0-21swapper/2610:15:2019
286999206202,2cyclictest0-21swapper/2610:15:2019
286999206202,2cyclictest0-21swapper/2610:15:2019
285499204193,4cyclictest0-21swapper/1409:19:346
285499204193,4cyclictest0-21swapper/1409:19:346
283999196192,2cyclictest12524-21kworker/u81:2-writeback07:19:5812
283999196192,2cyclictest12524-21kworker/u81:2-writeback07:19:5812
286899193181,10cyclictest0-21swapper/2508:40:0518
284199190162,16cyclictest0-21swapper/312:36:1523
284199190162,16cyclictest0-21swapper/312:36:1423
284199190162,16cyclictest0-21swapper/312:36:1423
288299187144,33cyclictest0-21swapper/3811:43:3132
288299187144,33cyclictest0-21swapper/3811:43:3132
2847991871,81cyclictest0-21swapper/807:30:1438
2847991871,81cyclictest0-21swapper/807:30:1438
284199187178,7cyclictest0-21swapper/312:02:1223
284199187178,7cyclictest0-21swapper/312:02:1223
287999186181,3cyclictest0-21swapper/3507:25:2129
287999186181,3cyclictest0-21swapper/3507:25:2129
287499185171,7cyclictest171rcu_preempt07:40:0825
286799185180,3cyclictest0-21swapper/2412:02:2817
286799185180,3cyclictest0-21swapper/2412:02:2717
287499184175,2cyclictest0-21swapper/3109:31:4725
287499184175,2cyclictest0-21swapper/3109:31:4725
2847991841,137cyclictest0-21swapper/809:50:1538
2847991841,137cyclictest0-21swapper/809:50:1438
284199184140,29cyclictest0-21swapper/310:36:4923
284199184140,29cyclictest0-21swapper/310:36:4923
284199184140,29cyclictest0-21swapper/310:36:4923
288299183169,7cyclictest171rcu_preempt11:58:0132
288299183169,7cyclictest171rcu_preempt11:58:0132
288299183169,7cyclictest171rcu_preempt11:58:0132
288299183160,13cyclictest0-21swapper/3809:23:5332
288299183160,13cyclictest0-21swapper/3809:23:5332
285199183174,7cyclictest0-21swapper/1209:31:324
285199183174,7cyclictest0-21swapper/1209:31:324
284199183175,6cyclictest0-21swapper/310:27:2823
284199183175,6cyclictest0-21swapper/310:27:2823
284199183175,6cyclictest0-21swapper/310:27:2823
284199183170,8cyclictest0-21swapper/310:32:2723
284199183170,8cyclictest0-21swapper/310:32:2623
284199183170,8cyclictest0-21swapper/310:32:2623
2847991820,176cyclictest0-21swapper/810:15:0138
2847991820,176cyclictest0-21swapper/810:15:0038
2847991820,176cyclictest0-21swapper/810:15:0038
284199182177,3cyclictest0-21swapper/308:07:1123
284199182177,3cyclictest0-21swapper/308:07:1123
287699181177,3cyclictest347-21khungtaskd10:22:5426
287699181177,3cyclictest347-21khungtaskd10:22:5426
287699181177,3cyclictest347-21khungtaskd10:22:5426
284199181166,8cyclictest171rcu_preempt09:44:3123
284199181166,8cyclictest171rcu_preempt09:44:3123
284199181166,8cyclictest171rcu_preempt09:44:3123
286699180176,2cyclictest0-21swapper/2309:00:1916
286699180176,2cyclictest0-21swapper/2309:00:1916
288299179149,19cyclictest0-21swapper/3810:05:2832
288299179149,19cyclictest0-21swapper/3810:05:2832
288299179149,19cyclictest0-21swapper/3810:05:2832
287699179171,7cyclictest0-21swapper/3211:25:3426
287699179171,7cyclictest0-21swapper/3211:25:3426
287499179153,18cyclictest0-21swapper/3111:24:4825
287499179153,18cyclictest0-21swapper/3111:24:4725
28599917952,39cyclictest0-21swapper/1908:55:1411
28599917952,39cyclictest0-21swapper/1908:55:1411
284799179140,36cyclictest0-21swapper/809:45:3938
284799179140,36cyclictest0-21swapper/809:45:3938
284199179152,22cyclictest0-21swapper/312:33:1723
284199179152,22cyclictest0-21swapper/312:33:1623
284199179152,22cyclictest0-21swapper/312:33:1623
284199179152,21cyclictest0-21swapper/310:43:0123
284199179152,21cyclictest0-21swapper/310:43:0123
284199179152,21cyclictest0-21swapper/310:43:0123
288299178159,13cyclictest171rcu_preempt09:15:0032
288299178159,13cyclictest171rcu_preempt09:14:5932
288299178159,13cyclictest171rcu_preempt09:14:5932
285499178165,11cyclictest0-21swapper/1412:15:346
285499178165,11cyclictest0-21swapper/1412:15:346
2847991781,168cyclictest0-21swapper/810:15:2138
2847991781,168cyclictest0-21swapper/810:15:2138
2847991781,168cyclictest0-21swapper/810:15:2138
284199178152,19cyclictest171rcu_preempt09:19:4623
284199178152,19cyclictest171rcu_preempt09:19:4623
283999178166,10cyclictest0-21swapper/209:23:1812
283999178166,10cyclictest0-21swapper/209:23:1812
287499177158,15cyclictest0-21swapper/3111:42:0525
287499177158,15cyclictest0-21swapper/3111:42:0525
287499177116,27cyclictest0-21swapper/3108:06:4425
287499177116,27cyclictest0-21swapper/3108:06:4425
284399177174,2cyclictest0-21swapper/410:10:1034
284399177174,2cyclictest0-21swapper/410:10:1034
284399177174,2cyclictest0-21swapper/410:10:1034
284199177155,13cyclictest171rcu_preempt11:21:1623
284199177155,13cyclictest171rcu_preempt11:21:1623
284199177153,13cyclictest171rcu_preempt07:51:4523
284199177148,24cyclictest2456-21CPU23
284199177148,24cyclictest2456-21CPU23
284199177130,24cyclictest0-21swapper/310:19:0123
284199177130,24cyclictest0-21swapper/310:19:0123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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