You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-02-16 - 00:51
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Sun Feb 15, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
359969725747,7sleep50-21swapper/507:03:305
359983125545,7sleep60-21swapper/607:05:236
3600131995249,2cyclictest4065257-21kworker/u16:3+events_unbound12:05:524
3600135995149,2cyclictest79023-21kworker/u16:1+flush-8:012:15:535
3600131995149,2cyclictest3795277-21kworker/u16:1+events_unbound10:11:044
3600135995048,2cyclictest3795277-21kworker/u16:1+flush-8:009:16:065
3600131995048,2cyclictest4065257-21kworker/u16:3+events_unbound11:56:084
3600131994946,2cyclictest3922240-21kworker/u16:0+flush-8:011:01:074
3600131994946,2cyclictest3922240-21kworker/u16:0+flush-8:011:01:074
3600141994842,5cyclictest3708895-21latency_hist08:00:387
3600137994845,2cyclictest2175268-21kworker/u16:1+flush-8:007:25:386
3600131994845,2cyclictest3922240-21kworker/u16:0+events_unbound11:05:514
3600135994745,2cyclictest4112801-21kworker/u16:1+events_unbound11:35:535
3600135994745,2cyclictest3892475-21kworker/u16:3+events_unbound09:36:115
3600131994744,2cyclictest4004102-21kworker/u16:2+events_unbound10:21:114
359957224737,7sleep40-21swapper/407:01:444
3600137994644,2cyclictest3922240-21kworker/u16:0+flush-8:011:15:386
3600137994543,2cyclictest3814365-21kworker/u16:4+events_unbound09:41:046
3600131994441,2cyclictest3814365-21kworker/u16:4+flush-8:009:41:084
3600141994338,4cyclictest3869742-21latency_hist09:20:387
3600137994340,2cyclictest52270-21kworker/u16:0+events_unbound12:25:526
3600135994341,2cyclictest3922240-21kworker/u16:0+flush-8:011:01:085
3600135994341,2cyclictest3922240-21kworker/u16:0+flush-8:011:01:085
3600135994341,2cyclictest3814365-21kworker/u16:4+events_unbound10:30:545
3600135994340,2cyclictest4065257-21kworker/u16:3+flush-8:011:30:525
3600131994340,2cyclictest3814365-21kworker/u16:4+flush-8:009:45:534
3600135994240,2cyclictest79023-21kworker/u16:1+events_unbound12:26:065
3600135994240,2cyclictest52270-21kworker/u16:0+events_unbound11:55:005
3600135994240,2cyclictest4065257-21kworker/u16:3+events_unbound11:47:075
3600131994239,2cyclictest3879424-21kworker/u16:2+events_unbound09:25:514
3600137994139,2cyclictest2175268-21kworker/u16:1+flush-8:008:31:026
3600135994139,2cyclictest3814365-21kworker/u16:4+events_unbound10:12:555
3600135994139,2cyclictest2175268-21kworker/u16:1+events_unbound08:11:085
3600135994138,2cyclictest4112801-21kworker/u16:1+events_unbound11:15:395
3600137994038,2cyclictest3922240-21kworker/u16:0+events_unbound11:35:376
3600135994038,2cyclictest3922240-21kworker/u16:0+events_unbound10:55:275
3600135994038,2cyclictest3922240-21kworker/u16:0+events_unbound10:46:555
3600135994038,2cyclictest3922240-21kworker/u16:0+events_unbound09:43:035
3600131994038,2cyclictest4004102-21kworker/u16:2+flush-8:010:16:074
3600137993937,2cyclictest3536453-21kworker/u16:2+events_unbound07:45:386
3600137993936,2cyclictest3795277-21kworker/u16:1+flush-8:009:55:546
3600135993937,2cyclictest4065257-21kworker/u16:3+events_unbound12:10:085
3600135993937,2cyclictest3922240-21kworker/u16:0+events_unbound10:03:155
3600135993937,2cyclictest3814365-21kworker/u16:4+events_unbound09:54:565
3600135993936,2cyclictest4050515-21kworker/u16:2+events_unbound10:40:505
3600135993936,2cyclictest3922240-21kworker/u16:0+events_unbound11:29:125
3600135993936,2cyclictest3795277-21kworker/u16:1+events_unbound09:20:485
3600131993937,2cyclictest2175268-21kworker/u16:1+flush-8:007:31:084
3600131993936,2cyclictest3795277-21kworker/u16:1+events_unbound08:50:524
35907602393,31sleep70-21swapper/707:00:517
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional