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2026-02-02 - 21:57
[ 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 Mon Feb 02, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310215225545,7sleep50-21swapper/507:04:385
310204025444,7sleep60-21swapper/607:03:026
310208925319,30sleep70-21swapper/707:03:447
310202025242,7sleep40-21swapper/407:02:444
3102569994543,2cyclictest3351142-21kworker/u16:3+events_unbound09:16:445
3102579993630,5cyclictest3670179-21latency_hist11:26:297
3102569993632,3cyclictest3398419-21kworker/u16:6+flush-8:011:51:355
3102569993533,2cyclictest3183562-21kworker/u16:0+events_unbound09:06:445
3102579993429,4cyclictest3351103-21latency_hist09:11:307
3102569993331,2cyclictest3619784-21kworker/u16:2+events_unbound12:11:545
3102569993331,2cyclictest3398419-21kworker/u16:6+events_unbound10:06:555
3102575993230,2cyclictest3398419-21kworker/u16:6+events_unbound11:31:446
3102569993230,2cyclictest3398419-21kworker/u16:6+events_unbound09:46:595
3102579993129,1cyclictest3385434-21ssh09:22:327
3102575993029,1cyclictest3446258-21kworker/u16:1+events_unbound10:31:446
3102575993028,2cyclictest3398185-21kworker/u16:5+events_unbound09:36:596
3102579992928,0cyclictest0-21swapper/709:12:307
3102569992927,2cyclictest3597443-21kworker/u16:0+events_unbound10:56:575
3102569992927,2cyclictest3398419-21kworker/u16:6+events_unbound11:11:425
3102579992828,0cyclictest0-21swapper/711:02:187
3102579992828,0cyclictest0-21swapper/709:29:187
310257999281,2cyclictest3457606-21ssh09:51:567
3102569992826,2cyclictest3135455-21kworker/u16:2+events_unbound07:41:555
310257999270,25cyclictest124-21kswapd012:21:537
3102569992725,2cyclictest3193760-21kworker/u16:1+flush-8:008:11:535
3102579992625,0cyclictest0-21swapper/709:16:327
3102579992624,1cyclictest0-21swapper/710:51:487
3102575992624,2cyclictest3446258-21kworker/u16:1+events_unbound11:21:586
3102575992623,2cyclictest3619784-21kworker/u16:2+flush-8:011:36:506
3102575992622,3cyclictest3619784-21kworker/u16:2+flush-8:012:25:026
3102579992524,0cyclictest0-21swapper/709:04:487
3102579992524,0cyclictest0-21swapper/708:12:327
3102575992523,2cyclictest3582763-21kworker/u16:2+flush-8:010:51:566
3102575992523,2cyclictest3570363-21kworker/u16:0+events_unbound10:46:496
3102569992523,2cyclictest3472822-21kworker/u16:0+events_unbound10:16:535
3102569992523,2cyclictest3446258-21kworker/u16:1+events_unbound11:47:365
3102569992523,2cyclictest3279744-21kworker/u16:2+events_unbound09:36:555
3102569992523,2cyclictest3102751-21kworker/u16:0+events_unbound07:21:455
3102579992423,0cyclictest0-21swapper/707:58:477
3102579992423,0cyclictest0-21swapper/707:58:477
3102575992422,2cyclictest3398185-21kworker/u16:5+flush-8:009:56:566
3102569992422,2cyclictest3398419-21kworker/u16:6+events_unbound11:24:525
3102579992322,0cyclictest0-21swapper/708:48:047
3102579992322,0cyclictest0-21swapper/708:34:237
3102579992322,0cyclictest0-21swapper/708:23:327
3102579992322,0cyclictest0-21swapper/708:18:127
310257999230,22cyclictest3643482-21ssh11:12:047
3102575992320,2cyclictest3279744-21kworker/u16:2+flush-8:009:06:356
3102569992321,2cyclictest3619784-21kworker/u16:2+events_unbound11:35:355
3102569992321,2cyclictest3619784-21kworker/u16:2+events_unbound11:16:595
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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