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2026-01-14 - 06:20
[ 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 Jan 14, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
612922930,0sleep50-21swapper/521:57:215
3897179996664,2cyclictest4027168-21kworker/u16:1+events_unbound21:57:014
389688725833,7sleep50-21swapper/519:07:435
389677425722,30sleep70-21swapper/719:06:087
389670724939,7sleep60-21swapper/619:05:116
389679824535,7sleep40-21swapper/419:06:294
3897193994439,4cyclictest4007408-21latency_hist20:02:477
3897184994038,2cyclictest86366-21kworker/u16:2+events_unbound22:14:015
3897184994038,2cyclictest86366-21kworker/u16:2+events_unbound22:14:015
3897184994038,2cyclictest59276-21kworker/u16:4+events_unbound22:07:255
3897193993935,2cyclictest4055854-21munin-run20:27:487
3897189993937,2cyclictest4055541-21kworker/u16:0+flush-8:021:48:256
3897184993937,2cyclictest109041-21kworker/u16:1+events_unbound22:26:575
3897193993832,5cyclictest268731-21latency_hist23:22:477
3897184993836,2cyclictest71674-21kworker/u16:5+events_unbound22:19:375
3897184993836,2cyclictest109041-21kworker/u16:1+events_unbound22:44:055
3897184993836,2cyclictest109041-21kworker/u16:1+events_unbound22:36:105
3897189993734,2cyclictest317397-21kworker/u16:5+flush-8:023:57:526
3897184993735,2cyclictest305230-21kworker/u16:0+events_unbound23:54:055
3897184993735,2cyclictest147332-21kworker/u16:0+events_unbound22:50:305
3897184993634,2cyclictest653-21kworker/u16:3+events_unbound21:34:135
3897184993634,2cyclictest653-21kworker/u16:3+events_unbound21:34:135
3897184993634,2cyclictest4155287-21kworker/u16:5+events_unbound21:21:175
3897184993634,2cyclictest4027168-21kworker/u16:1+events_unbound21:39:145
3897184993634,2cyclictest278681-21kworker/u16:3+events_unbound23:32:255
3897184993634,2cyclictest110302-21kworker/u16:3+events_unbound22:54:135
3897193993534,0cyclictest0-21swapper/723:33:127
3897189993533,2cyclictest71674-21kworker/u16:5+events_unbound22:28:046
3897184993533,2cyclictest86366-21kworker/u16:2+events_unbound22:12:315
3897184993533,2cyclictest378291-21kworker/u16:3+events_unbound00:14:525
3897193993433,0cyclictest0-21swapper/723:08:057
3897189993432,2cyclictest3907124-21kworker/u16:0+flush-8:019:47:486
3897184993432,2cyclictest4027168-21kworker/u16:1+events_unbound21:13:525
3897184993432,2cyclictest290591-21kworker/u16:4+events_unbound23:39:335
3897184993432,2cyclictest290591-21kworker/u16:4+events_unbound23:39:335
3897184993432,2cyclictest244023-21kworker/u16:1+events_unbound23:18:255
3897193993332,0cyclictest0-21swapper/721:47:507
3897189993331,2cyclictest653-21kworker/u16:3+flush-8:021:52:576
3897189993330,2cyclictest363616-21kworker/u16:2+events_unbound00:27:486
3897184993331,2cyclictest4017089-21kworker/u16:2+events_unbound20:08:165
3897189993230,2cyclictest4027168-21kworker/u16:1+events_unbound21:58:046
3897184993230,2cyclictest363616-21kworker/u16:2+flush-8:000:33:205
3897193993131,0cyclictest0-21swapper/722:48:467
3897193993129,1cyclictest0-21swapper/700:03:057
3897189993129,2cyclictest4055541-21kworker/u16:0+flush-8:020:57:476
3897189993129,2cyclictest278681-21kworker/u16:3+flush-8:023:53:076
3897184993129,2cyclictest4055541-21kworker/u16:0+events_unbound21:31:025
3897184993129,2cyclictest354288-21kworker/u16:1+events_unbound00:06:185
3897184993129,2cyclictest305230-21kworker/u16:0+flush-8:000:31:555
3897184993129,2cyclictest305230-21kworker/u16:0+events_unbound00:10:145
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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