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2026-02-14 - 08:27
[ 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 100 highest latencies:
System rack0slot2.osadl.org (updated Sat Feb 14, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
372160825545,7sleep60-21swapper/619:05:326
3721920995251,0cyclictest0-21swapper/722:05:347
372158825040,7sleep40-21swapper/419:05:144
3721920994944,4cyclictest3859315-21latency_hist20:15:447
3721912994644,2cyclictest4182552-21kworker/u16:2+events_unbound23:26:116
372132424333,7sleep50-21swapper/519:01:305
3721904994139,2cyclictest4135968-21kworker/u16:5+events_unbound22:29:144
3721904994139,2cyclictest4074094-21kworker/u16:5+events_unbound22:07:024
37206742403,31sleep70-21swapper/719:01:167
3721912993937,2cyclictest96221-21kworker/u16:1+events_unbound23:49:306
3721912993937,2cyclictest4074051-21kworker/u16:4+events_unbound22:21:516
3721912993937,2cyclictest4074051-21kworker/u16:4+events_unbound22:12:036
3721912993937,2cyclictest3975099-21kworker/u16:4+events_unbound21:41:516
3721912993937,2cyclictest26309-21kworker/u16:0+events_unbound23:44:546
3721912993937,2cyclictest26309-21kworker/u16:0+events_unbound23:00:156
3721904993937,2cyclictest26309-21kworker/u16:0+events_unbound00:11:454
372192099380,36cyclictest3773283-21latency_hist19:30:447
3721912993836,2cyclictest4135968-21kworker/u16:5+events_unbound22:42:476
3721912993836,2cyclictest4099385-21kworker/u16:1+events_unbound22:31:436
3721912993836,2cyclictest4015065-21kworker/u16:0+events_unbound22:10:196
3721912993836,2cyclictest4015065-21kworker/u16:0+events_unbound22:04:316
3721912993836,2cyclictest4015065-21kworker/u16:0+events_unbound21:34:146
3721912993836,2cyclictest262963-21kworker/u16:3+events_unbound00:32:396
3721912993836,2cyclictest170354-21kworker/u16:4+events_unbound00:23:266
3721912993836,2cyclictest170354-21kworker/u16:4+events_unbound00:13:306
3721912993835,2cyclictest26309-21kworker/u16:0+events_unbound23:10:466
3721920993736,0cyclictest0-21swapper/722:42:387
3721912993735,2cyclictest96221-21kworker/u16:1+events_unbound00:00:266
3721912993735,2cyclictest4062829-21kworker/u16:3+events_unbound21:54:516
3721912993735,2cyclictest4015065-21kworker/u16:0+events_unbound21:48:006
3721912993735,2cyclictest3975099-21kworker/u16:4+events_unbound21:29:546
3721912993735,2cyclictest26309-21kworker/u16:0+events_unbound23:18:596
3721904993735,2cyclictest4074051-21kworker/u16:4+events_unbound22:02:594
3721920993634,1cyclictest48200-21ssh23:01:397
3721912993634,2cyclictest4135968-21kworker/u16:5+events_unbound22:48:596
3721912993634,2cyclictest4074051-21kworker/u16:4+events_unbound22:19:596
3721912993634,2cyclictest26309-21kworker/u16:0+events_unbound23:37:586
3721912993634,2cyclictest26309-21kworker/u16:0+events_unbound23:23:466
3721912993634,2cyclictest26309-21kworker/u16:0+events_unbound00:30:266
3721912993634,2cyclictest170354-21kworker/u16:4+events_unbound00:08:276
3721904993634,2cyclictest26309-21kworker/u16:0+events_unbound23:32:144
3721920993533,1cyclictest0-21swapper/722:24:027
3721912993533,2cyclictest4074051-21kworker/u16:4+events_unbound22:28:186
3721912993533,2cyclictest4015065-21kworker/u16:0+events_unbound21:59:076
3721912993533,2cyclictest3936120-21kworker/u16:1+events_unbound21:06:196
3721912993533,2cyclictest3791366-21kworker/u16:2+events_unbound21:18:556
3721904993533,2cyclictest4182552-21kworker/u16:2+events_unbound23:26:264
3721904993533,2cyclictest4099385-21kworker/u16:1+events_unbound22:24:414
3721904993533,2cyclictest26309-21kworker/u16:0+events_unbound23:20:254
3721904993533,2cyclictest170354-21kworker/u16:4+events_unbound00:18:584
3721920993433,0cyclictest0-21swapper/700:15:317
3721912993432,2cyclictest98607-21kworker/u16:3+events_unbound23:52:026
3721912993432,2cyclictest98607-21kworker/u16:3+events_unbound23:32:436
3721912993432,2cyclictest96221-21kworker/u16:1+events_unbound00:03:466
3721912993432,2cyclictest4182552-21kworker/u16:2+events_unbound23:02:596
3721912993432,2cyclictest4182552-21kworker/u16:2+events_unbound22:55:066
3721912993432,2cyclictest3731357-21kworker/u16:1+flush-8:019:15:446
3721904993432,2cyclictest4182552-21kworker/u16:2+events_unbound22:54:114
3721904993432,2cyclictest3975099-21kworker/u16:4+events_unbound21:39:504
3721904993432,2cyclictest3975099-21kworker/u16:4+events_unbound21:31:314
3721904993432,2cyclictest3975099-21kworker/u16:4+events_unbound21:22:504
3721904993432,2cyclictest3975099-21kworker/u16:4+events_unbound21:12:344
3721904993432,2cyclictest3936120-21kworker/u16:1+flush-8:021:26:094
3721904993432,2cyclictest26309-21kworker/u16:0+events_unbound23:21:174
3721904993432,2cyclictest262963-21kworker/u16:3+events_unbound00:32:064
3721904993432,2cyclictest170354-21kworker/u16:4+events_unbound00:22:024
3721920993332,0cyclictest0-21swapper/722:29:077
3721920993332,0cyclictest0-21swapper/721:57:197
3721920993331,1cyclictest96836-21ssh23:22:437
3721920993331,1cyclictest227958-21ssh00:17:427
372192099330,32cyclictest251406-21ssh00:26:597
3721912993331,2cyclictest4172155-21kworker/u16:0+events_unbound22:37:276
3721912993331,2cyclictest4074051-21kworker/u16:4+events_unbound23:09:056
3721912993331,2cyclictest4015065-21kworker/u16:0+events_unbound21:37:356
3721912993331,2cyclictest3791366-21kworker/u16:2+events_unbound21:22:206
3721912993331,2cyclictest26309-21kworker/u16:0+events_unbound00:18:436
3721904993331,2cyclictest3773661-21kworker/u16:0+events_unbound21:08:284
3721904993331,2cyclictest170354-21kworker/u16:4+events_unbound00:07:384
3721920993232,0cyclictest0-21swapper/722:55:397
3721920993231,0cyclictest0-21swapper/700:33:307
3721904993230,2cyclictest26309-21kworker/u16:0+events_unbound23:01:494
40017482310,1chrt4001746-21ssh21:23:227
3721912993129,2cyclictest3975099-21kworker/u16:4+events_unbound21:11:356
3721912993129,2cyclictest3721320-21kworker/u16:3+events_unbound19:16:156
3721920993030,0cyclictest0-21swapper/723:27:157
3721920993030,0cyclictest0-21swapper/721:09:237
3721920993029,0cyclictest0-21swapper/723:46:187
3721904993028,2cyclictest98607-21kworker/u16:3+flush-8:023:50:384
3721904993028,2cyclictest98607-21kworker/u16:3+flush-8:023:41:214
3721904993028,2cyclictest96221-21kworker/u16:1+events_unbound00:02:454
3721904993028,2cyclictest4074051-21kworker/u16:4+events_unbound22:17:504
3721904993028,2cyclictest4074051-21kworker/u16:4+events_unbound22:14:254
3721904993028,2cyclictest4015065-21kworker/u16:0+events_unbound22:00:014
3721920992929,0cyclictest0-21swapper/722:39:597
3721920992929,0cyclictest0-21swapper/722:13:197
3721920992929,0cyclictest0-21swapper/721:53:547
3721920992929,0cyclictest0-21swapper/700:23:507
3721920992927,1cyclictest4109963-21ssh22:08:067
3721912992927,2cyclictest3773661-21kworker/u16:0+events_unbound20:46:136
3721904992927,2cyclictest4135968-21kworker/u16:5+events_unbound22:48:124
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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