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2026-03-04 - 00:49
[ 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 Mar 03, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
336080025545,7sleep50-21swapper/507:01:225
3361322994946,2cyclictest3666129-21kworker/u16:3+flush-8:010:34:356
3361322994946,2cyclictest3666129-21kworker/u16:3+flush-8:010:34:356
3361318994339,3cyclictest3920781-21kworker/u16:1+flush-8:011:44:395
3361316994341,2cyclictest3692732-21kworker/u16:1+flush-8:010:44:594
336083724333,7sleep60-21swapper/607:01:556
336077024333,7sleep40-21swapper/407:00:574
3361322994240,2cyclictest3787739-21kworker/u16:0+events_unbound10:45:356
3361318994240,2cyclictest3451652-21kworker/u16:0+flush-8:007:54:345
3361322994139,2cyclictest3412890-21kworker/u16:3+flush-8:008:34:346
33607642415,31sleep70-21swapper/707:00:527
3361326994033,6cyclictest3994336-21latency_hist11:49:347
3361322994038,2cyclictest3920781-21kworker/u16:1+flush-8:012:30:246
3361322993937,2cyclictest3596134-21kworker/u16:3+events_unbound09:14:316
3361322993937,2cyclictest3596134-21kworker/u16:3+events_unbound09:14:316
3361326993832,5cyclictest3813210-21latency_hist10:34:347
3361322993836,2cyclictest3825404-21kworker/u16:4+flush-8:011:04:596
3361318993836,2cyclictest3451652-21kworker/u16:0+flush-8:008:04:345
3361322993735,2cyclictest3920781-21kworker/u16:1+events_unbound11:48:396
3361322993735,2cyclictest3825404-21kworker/u16:4+events_unbound11:36:456
3361322993735,2cyclictest3787739-21kworker/u16:0+events_unbound10:30:446
3361322993734,2cyclictest3340991-21kworker/u16:4+flush-8:007:05:056
3361322993634,2cyclictest3881650-21kworker/u16:0+events_unbound11:00:566
3361322993634,2cyclictest3692732-21kworker/u16:1+events_unbound10:06:326
3361322993634,2cyclictest3666129-21kworker/u16:3+flush-8:009:45:076
3361322993634,2cyclictest3666129-21kworker/u16:3+events_unbound10:29:206
3361318993633,2cyclictest3920781-21kworker/u16:1+flush-8:012:24:445
3361318993633,2cyclictest3920781-21kworker/u16:1+events_unbound11:34:445
3361322993533,2cyclictest4018591-21kworker/u16:0+events_unbound12:26:086
3361322993533,2cyclictest3859241-21kworker/u16:2+flush-8:011:32:246
3361322993533,2cyclictest3666129-21kworker/u16:3+events_unbound10:03:446
3361318993533,2cyclictest3666129-21kworker/u16:3+flush-8:010:00:365
3361318993533,2cyclictest3666129-21kworker/u16:3+flush-8:009:34:345
3361322993432,2cyclictest3666129-21kworker/u16:3+events_unbound10:42:286
3361322993432,2cyclictest3666129-21kworker/u16:3+events_unbound09:52:326
3361322993432,2cyclictest3517793-21kworker/u16:2+events_unbound09:41:396
3361322993432,2cyclictest3340991-21kworker/u16:4+flush-8:007:26:406
3361318993432,2cyclictest3692732-21kworker/u16:1+events_unbound10:09:365
39196622330,1chrt3919660-21ssh11:15:187
39196622330,1chrt3919660-21ssh11:15:187
3361322993332,1cyclictest3982026-21kworker/u16:2+events_unbound11:57:076
3361322993332,1cyclictest3982026-21kworker/u16:2+events_unbound11:57:076
3361322993331,2cyclictest3982026-21kworker/u16:2+events_unbound11:49:396
3361322993331,2cyclictest3825404-21kworker/u16:4+events_unbound12:20:036
3361318993331,2cyclictest3825404-21kworker/u16:4+events_unbound11:04:565
3361322993230,2cyclictest3958316-21kworker/u16:0+events_unbound11:42:556
3361322993230,2cyclictest3825404-21kworker/u16:4+flush-8:011:25:126
3361322993230,2cyclictest3787739-21kworker/u16:0+events_unbound10:49:366
3361322993230,2cyclictest3692732-21kworker/u16:1+flush-8:010:15:086
3361318993230,2cyclictest3666129-21kworker/u16:3+events_unbound09:50:075
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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