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2026-01-17 - 14:54
[ 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 Sat Jan 17, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29746732960,1sleep72974674-21rm11:00:327
245561525848,7sleep60-21swapper/607:05:376
245549325620,31sleep70-21swapper/707:03:537
245565925141,7sleep50-21swapper/507:06:165
245568724534,8sleep40-21swapper/407:06:394
2456046994238,3cyclictest2963608-21kworker/u16:3+flush-8:011:12:335
2456046993936,2cyclictest2839378-21kworker/u16:3+events_unbound10:22:485
2456048993834,3cyclictest2889917-21kworker/u16:0+flush-8:011:26:066
2456046993836,2cyclictest2752203-21kworker/u16:5+events_unbound09:32:565
2456048993734,2cyclictest2752203-21kworker/u16:5+events_unbound09:37:516
2456052993534,0cyclictest0-21swapper/712:01:477
2456046993533,2cyclictest2691283-21kworker/u16:0+flush-8:009:29:595
2456046993533,2cyclictest2691283-21kworker/u16:0+flush-8:009:29:595
2456052993433,0cyclictest0-21swapper/709:09:207
2456052993431,2cyclictest2729027-21ssh09:22:177
2456046993432,2cyclictest2938862-21kworker/u16:1+events_unbound10:53:025
2456046993431,2cyclictest3062350-21kworker/u16:2+flush-8:012:22:585
2456052993332,0cyclictest0-21swapper/712:07:147
2456052993231,0cyclictest0-21swapper/710:20:407
245605299320,30cyclictest650-21systemd-journal08:32:347
2456048993230,2cyclictest2663177-21kworker/u16:2+flush-8:009:08:336
2456046993229,2cyclictest2914138-21kworker/u16:4+events_unbound10:47:475
2456046993229,2cyclictest2914138-21kworker/u16:4+events_unbound10:47:475
2456052993131,0cyclictest0-21swapper/710:56:087
2456052993130,0cyclictest0-21swapper/711:45:407
2456048993128,2cyclictest2963608-21kworker/u16:3+flush-8:011:07:336
2456046993128,2cyclictest3062350-21kworker/u16:2+events_unbound12:07:475
2456052993030,0cyclictest0-21swapper/709:55:097
2456052993029,0cyclictest0-21swapper/710:12:007
2456052993029,0cyclictest0-21swapper/710:12:007
245605299300,29cyclictest5747-21gnome-shell10:43:437
2456048993028,2cyclictest2889917-21kworker/u16:0+events_unbound11:27:596
2456046993028,2cyclictest2938862-21kworker/u16:1+events_unbound10:59:485
2456046993028,2cyclictest2813416-21kworker/u16:2+flush-8:010:18:035
2456046993028,2cyclictest2508247-21kworker/u16:3+events_unbound07:52:475
2456046993027,2cyclictest2813416-21kworker/u16:2+flush-8:010:27:385
2456052992929,0cyclictest0-21swapper/711:55:287
2456052992928,0cyclictest0-21swapper/709:25:057
2456052992928,0cyclictest0-21swapper/708:25:357
2456052992927,1cyclictest0-21swapper/710:26:257
2456052992923,5cyclictest2790997-21latency_hist09:47:347
2456048992928,1cyclictest2739832-21kworker/u16:1+events_unbound09:37:126
2456046992926,2cyclictest2997596-21kworker/u16:4+events_unbound12:32:485
2456046992926,2cyclictest2839378-21kworker/u16:3+flush-8:010:37:345
2456052992828,0cyclictest0-21swapper/711:20:087
2456052992827,1cyclictest2753642-21ssh09:32:097
2456052992827,1cyclictest2753642-21ssh09:32:097
2456052992827,0cyclictest0-21swapper/710:48:167
2456052992827,0cyclictest0-21swapper/710:48:167
2456046992826,2cyclictest2997596-21kworker/u16:4+events_unbound11:17:555
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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