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2026-02-05 - 15:44
[ 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 Thu Feb 05, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323348021020,1sleep73233481-21cat09:46:127
289906527159,8sleep50-21swapper/507:04:415
289894925848,7sleep40-21swapper/407:03:044
289905725646,7sleep60-21swapper/607:04:346
2899483994846,2cyclictest3405370-21kworker/u16:1+flush-8:011:21:436
2899483994038,2cyclictest3488460-21kworker/u16:2+events_unbound12:17:436
2899483994038,2cyclictest3488460-21kworker/u16:2+events_unbound12:17:436
2899483994038,2cyclictest3405370-21kworker/u16:1+events_unbound12:24:086
2899483994038,2cyclictest3405370-21kworker/u16:1+events_unbound12:24:086
2899483994038,2cyclictest3197183-21kworker/u16:3+events_unbound09:37:326
2899483994038,2cyclictest3197183-21kworker/u16:3+events_unbound09:37:326
2899483994038,2cyclictest2980648-21kworker/u16:2+events_unbound10:25:406
2899483993937,2cyclictest3197183-21kworker/u16:3+events_unbound09:50:006
2899483993937,2cyclictest3160390-21kworker/u16:1+events_unbound10:03:126
28924312392,31sleep70-21swapper/707:01:397
2899488993833,4cyclictest3344001-21latency_hist10:31:187
2899488993833,4cyclictest3282575-21latency_hist10:06:187
2899483993836,2cyclictest3160390-21kworker/u16:1+events_unbound09:42:336
2899483993836,2cyclictest2980648-21kworker/u16:2+events_unbound10:14:416
2899483993835,2cyclictest2980648-21kworker/u16:2+events_unbound10:56:256
2899483993835,2cyclictest2980648-21kworker/u16:2+events_unbound10:56:256
2899483993735,2cyclictest3527681-21kworker/u16:3+events_unbound12:10:436
2899483993735,2cyclictest3527681-21kworker/u16:3+events_unbound11:47:416
2899483993735,2cyclictest3428170-21kworker/u16:3+events_unbound11:19:176
2899483993735,2cyclictest3405370-21kworker/u16:1+events_unbound11:07:166
2899483993735,2cyclictest3368595-21kworker/u16:0+events_unbound10:46:056
2899483993735,2cyclictest3304797-21kworker/u16:3+events_unbound10:53:136
2899483993735,2cyclictest3304797-21kworker/u16:3+events_unbound10:19:566
2899483993735,2cyclictest3304797-21kworker/u16:3+events_unbound10:19:566
2899483993735,2cyclictest3160390-21kworker/u16:1+events_unbound10:09:056
2899483993735,2cyclictest2980648-21kworker/u16:2+events_unbound10:39:446
2899483993735,2cyclictest2980648-21kworker/u16:2+events_unbound09:29:136
2899483993735,2cyclictest2980648-21kworker/u16:2+events_unbound09:23:086
2899483993634,2cyclictest3428170-21kworker/u16:3+events_unbound11:29:366
2899483993634,2cyclictest3368595-21kworker/u16:0+events_unbound11:05:366
2899483993634,2cyclictest3160390-21kworker/u16:1+events_unbound10:35:136
2899483993634,2cyclictest3147684-21kworker/u16:4+events_unbound09:20:336
2899483993634,2cyclictest3147684-21kworker/u16:4+events_unbound09:16:176
2899483993634,2cyclictest2980648-21kworker/u16:2+events_unbound10:50:256
2899488993529,5cyclictest650-21systemd-journal11:01:177
2899488993529,5cyclictest650-21systemd-journal11:01:177
2899483993533,2cyclictest3488460-21kworker/u16:2+events_unbound12:15:446
2899483993533,2cyclictest3488460-21kworker/u16:2+events_unbound11:53:486
2899483993533,2cyclictest3405370-21kworker/u16:1+events_unbound11:58:416
2899483993432,2cyclictest3527681-21kworker/u16:3+events_unbound12:05:426
2899483993432,2cyclictest3197183-21kworker/u16:3+events_unbound09:35:236
2899488993332,0cyclictest0-21swapper/709:57:247
2899483993331,2cyclictest3488460-21kworker/u16:2+events_unbound12:35:366
2899483993331,2cyclictest3368595-21kworker/u16:0+events_unbound11:12:526
2899483993331,2cyclictest3030459-21kworker/u16:0+events_unbound09:11:036
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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