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2026-01-16 - 11:11
[ 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 Fri Jan 16, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28102672990,1sleep72810268-21ssh21:43:197
247968527161,7sleep40-21swapper/419:03:474
2480248995044,5cyclictest2618901-21latency_hist20:17:397
2480248994640,5cyclictest650-21systemd-journal00:37:397
247980924410,30sleep70-21swapper/719:05:347
626589400,33rtkit-daemon0-21swapper/619:05:526
2480248993933,5cyclictest2676725-21latency_hist20:47:407
2480239993937,2cyclictest2898247-21kworker/u16:5+events_unbound22:49:534
247075523929,7sleep50-21swapper/519:02:445
248024899380,37cyclictest3213572-21latency_hist00:32:397
2480239993735,2cyclictest3201484-21kworker/u16:1+events_unbound00:32:294
2480239993735,2cyclictest2992569-21kworker/u16:2+events_unbound23:09:574
2480239993735,2cyclictest2898246-21kworker/u16:2+events_unbound22:25:454
2480239993634,2cyclictest2992569-21kworker/u16:2+events_unbound23:35:084
2480239993634,2cyclictest2696163-21kworker/u16:3+flush-8:022:17:364
2480248993530,4cyclictest3007055-21latency_hist23:07:397
2480248993530,4cyclictest3007055-21latency_hist23:07:397
2480239993533,2cyclictest2992569-21kworker/u16:2+events_unbound22:59:324
2480239993533,2cyclictest2992569-21kworker/u16:2+events_unbound00:02:084
2480239993533,2cyclictest2922224-21kworker/u16:1+events_unbound22:53:564
2480239993533,2cyclictest2922224-21kworker/u16:1+events_unbound22:46:594
2480239993533,2cyclictest2898247-21kworker/u16:5+events_unbound23:42:084
2480239993533,2cyclictest2752229-21kworker/u16:2+flush-8:021:50:494
2480239993532,2cyclictest2561249-21kworker/u16:3+events_unbound19:47:414
2480248993433,0cyclictest0-21swapper/721:49:527
2480244993431,2cyclictest2992569-21kworker/u16:2+flush-8:023:27:496
2480239993432,2cyclictest2774670-21kworker/u16:0+events_unbound21:44:214
2480248993332,0cyclictest0-21swapper/722:27:117
2480239993331,2cyclictest2835821-21kworker/u16:4+flush-8:021:55:524
2480239993331,2cyclictest2752229-21kworker/u16:2+events_unbound21:37:294
2480239993331,2cyclictest2738868-21kworker/u16:0+events_unbound21:20:354
2480239993331,2cyclictest2696163-21kworker/u16:3+events_unbound22:18:554
2480239993331,2cyclictest2696163-21kworker/u16:3+events_unbound22:18:554
2480239993230,2cyclictest2992569-21kworker/u16:2+events_unbound23:29:304
2480239993230,2cyclictest2992569-21kworker/u16:2+events_unbound23:26:164
2480239993230,2cyclictest2898247-21kworker/u16:5+events_unbound23:54:544
2480239993230,2cyclictest2898246-21kworker/u16:2+events_unbound22:34:004
2480239993229,2cyclictest2618940-21kworker/u16:1+events_unbound21:08:414
2480239993129,2cyclictest2992569-21kworker/u16:2+events_unbound23:20:364
2480239993129,2cyclictest2992569-21kworker/u16:2+events_unbound00:03:244
2480239993129,2cyclictest2898247-21kworker/u16:5+events_unbound23:07:354
2480239993129,2cyclictest2898247-21kworker/u16:5+events_unbound23:07:354
2480239993129,2cyclictest2898246-21kworker/u16:2+events_unbound22:39:244
2480239993129,2cyclictest2752229-21kworker/u16:2+events_unbound21:25:164
2480239993128,2cyclictest3152398-21kworker/u16:1+events_unbound00:12:474
2480239993028,2cyclictest3113865-21kworker/u16:1+events_unbound23:50:114
2480239993028,2cyclictest2992569-21kworker/u16:2+events_unbound00:25:514
2480239993028,2cyclictest2992569-21kworker/u16:2+events_unbound00:12:264
2480239993028,2cyclictest2738868-21kworker/u16:0+events_unbound21:17:134
2480239993028,2cyclictest2696163-21kworker/u16:3+events_unbound22:10:524
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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