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2026-02-26 - 00:35
[ 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 Wed Feb 25, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
415230825747,7sleep50-21swapper/507:00:515
4152883995351,2cyclictest173670-21kworker/u16:1+flush-8:009:10:286
4152875995250,2cyclictest517134-21kworker/u16:0+events_unbound12:25:244
4152875994745,2cyclictest517134-21kworker/u16:0+events_unbound11:35:264
415244724737,7sleep40-21swapper/407:02:504
4152883994341,2cyclictest164102-21kworker/u16:3+events_unbound11:34:316
4152875994341,2cyclictest652744-21kworker/u16:2+events_unbound12:34:234
4152879994240,2cyclictest216798-21kworker/u16:0+events_unbound09:35:285
4152879994239,2cyclictest164102-21kworker/u16:3+events_unbound10:24:595
4152875994240,2cyclictest360064-21kworker/u16:0+events_unbound10:14:164
4152883994139,2cyclictest164102-21kworker/u16:3+events_unbound12:31:476
4152879994139,2cyclictest4133658-21kworker/u16:1+flush-8:007:10:255
4152875994138,2cyclictest216798-21kworker/u16:0+flush-8:009:35:254
41525922416,30sleep70-21swapper/707:04:547
4152875994038,2cyclictest517134-21kworker/u16:0+events_unbound12:17:524
4152883993937,2cyclictest517134-21kworker/u16:0+events_unbound11:59:036
4152883993937,2cyclictest360064-21kworker/u16:0+events_unbound10:34:086
4152883993936,2cyclictest164102-21kworker/u16:3+events_unbound10:45:036
4152879993937,2cyclictest576731-21kworker/u16:1+events_unbound12:09:115
4152879993937,2cyclictest517134-21kworker/u16:0+events_unbound11:56:405
4152875993937,2cyclictest421038-21kworker/u16:1+events_unbound11:07:004
4152875993937,2cyclictest30272-21kworker/u16:2+events_unbound07:40:264
4152886993832,5cyclictest30004-21latency_hist07:39:587
4152883993836,2cyclictest652744-21kworker/u16:2+events_unbound12:19:286
4152883993836,2cyclictest432761-21kworker/u16:4+events_unbound11:09:526
4152883993836,2cyclictest173670-21kworker/u16:1+events_unbound09:18:156
4152879993836,2cyclictest432761-21kworker/u16:4+events_unbound10:57:555
4152879993836,2cyclictest173670-21kworker/u16:1+events_unbound09:22:525
4152879993836,2cyclictest164102-21kworker/u16:3+events_unbound11:31:085
4152879993836,2cyclictest164102-21kworker/u16:3+events_unbound09:07:555
4152879993835,2cyclictest517134-21kworker/u16:0+events_unbound11:36:235
4152875993836,2cyclictest276907-21kworker/u16:2+events_unbound09:58:164
4152875993836,2cyclictest201327-21kworker/u16:2+events_unbound09:16:214
4152875993836,2cyclictest173670-21kworker/u16:1+events_unbound09:10:334
4152875993836,2cyclictest164102-21kworker/u16:3+events_unbound10:42:244
4152883993735,2cyclictest517134-21kworker/u16:0+events_unbound12:01:556
4152883993735,2cyclictest421038-21kworker/u16:1+events_unbound11:22:166
4152883993735,2cyclictest276907-21kworker/u16:2+events_unbound10:04:476
4152883993735,2cyclictest216798-21kworker/u16:0+events_unbound09:31:326
4152883993735,2cyclictest173670-21kworker/u16:1+events_unbound09:37:416
4152883993735,2cyclictest164102-21kworker/u16:3+events_unbound10:56:236
4152879993735,2cyclictest517134-21kworker/u16:0+events_unbound12:17:155
4152879993735,2cyclictest421038-21kworker/u16:1+events_unbound11:26:315
4152879993735,2cyclictest421038-21kworker/u16:1+events_unbound11:04:395
4152879993735,2cyclictest421038-21kworker/u16:1+events_unbound10:54:395
4152879993735,2cyclictest360064-21kworker/u16:0+events_unbound10:48:595
4152879993735,2cyclictest276907-21kworker/u16:2+events_unbound10:11:165
4152879993735,2cyclictest276907-21kworker/u16:2+events_unbound09:58:285
4152879993735,2cyclictest201327-21kworker/u16:2+events_unbound09:11:165
4152879993735,2cyclictest173670-21kworker/u16:1+events_unbound10:22:325
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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