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2026-01-20 - 15:31
[ 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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot2.osadl.org (updated Tue Jan 20, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238060026150,8sleep50-21swapper/507:04:385
238060026150,8sleep50-21swapper/507:04:385
238067425444,7sleep40-21swapper/407:05:414
238067425444,7sleep40-21swapper/407:05:414
2381084994640,5cyclictest2703061-21latency_hist09:42:217
238065924410,30sleep70-21swapper/707:05:287
238065924410,30sleep70-21swapper/707:05:287
238061924219,7sleep60-21swapper/607:04:556
238061924219,7sleep60-21swapper/607:04:556
2381079993936,2cyclictest2766647-21kworker/u16:4+flush-8:010:57:216
2381074993735,2cyclictest2491129-21kworker/u16:0+flush-8:009:57:165
2381079993533,2cyclictest2958474-21kworker/u16:1+flush-8:012:32:556
2381074993432,2cyclictest2754132-21kworker/u16:3+events_unbound10:17:365
2381084993326,6cyclictest3034477-21latency_hist11:57:217
2381079993230,2cyclictest2520278-21kworker/u16:2+flush-8:009:12:176
2381074993230,2cyclictest2766647-21kworker/u16:4+flush-8:011:27:525
2381074993230,2cyclictest2520278-21kworker/u16:2+flush-8:008:52:215
2381071993228,3cyclictest2766647-21kworker/u16:4+flush-8:011:12:524
2381079993129,2cyclictest2850676-21kworker/u16:0+flush-8:011:17:566
2381079993129,2cyclictest2766647-21kworker/u16:4+flush-8:012:17:516
2381079993129,2cyclictest2766647-21kworker/u16:4+flush-8:012:17:516
2381079993129,2cyclictest2520278-21kworker/u16:2+events_unbound09:02:366
2381074993129,2cyclictest2692042-21kworker/u16:2+flush-8:009:58:225
2381071993129,2cyclictest2491129-21kworker/u16:0+events_unbound10:18:254
2381084993024,5cyclictest3083489-21latency_hist12:17:217
2381079993028,2cyclictest2578536-21kworker/u16:3+flush-8:009:12:466
2381074993027,2cyclictest2801856-21kworker/u16:1+flush-8:010:42:285
2381071993028,2cyclictest3011261-21kworker/u16:0+flush-8:011:48:134
2381071992927,2cyclictest2887813-21kworker/u16:2+events_unbound11:39:474
2381071992927,2cyclictest2887813-21kworker/u16:2+events_unbound11:39:474
2381074992825,2cyclictest2491129-21kworker/u16:0+flush-8:009:27:375
2381071992826,2cyclictest2887813-21kworker/u16:2+flush-8:011:33:194
2381071992826,2cyclictest2520278-21kworker/u16:2+events_unbound08:29:364
2381071992826,2cyclictest2501302-21kworker/u16:1+events_unbound08:40:524
26533202270,1chrt2653321-21ssh09:21:247
2381079992623,2cyclictest2307426-21kworker/u16:1+flush-8:007:07:536
2381071992624,2cyclictest2850676-21kworker/u16:0+events_unbound10:48:154
2381071992624,2cyclictest2491129-21kworker/u16:0+events_unbound08:06:284
2381071992624,2cyclictest2471998-21kworker/u16:1+events_unbound07:56:484
2381071992624,2cyclictest2445251-21kworker/u16:0+events_unbound07:39:484
2381071992624,2cyclictest2307460-21kworker/u16:3+events_unbound07:31:044
2381084992520,4cyclictest2948735-21latency_hist11:22:227
2381074992523,2cyclictest2754132-21kworker/u16:3+flush-8:010:07:445
2381074992523,2cyclictest2578536-21kworker/u16:3+flush-8:009:02:215
2381074992523,2cyclictest2578536-21kworker/u16:3+flush-8:009:02:215
2381074992523,2cyclictest2307426-21kworker/u16:1+flush-8:007:07:415
2381071992523,2cyclictest2578536-21kworker/u16:3+flush-8:009:38:114
2381071992523,2cyclictest2307426-21kworker/u16:1+events_unbound07:14:534
2381071992523,2cyclictest2307426-21kworker/u16:1+events_unbound07:08:574
2381079992421,2cyclictest2445251-21kworker/u16:0+events_unbound07:42:346
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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