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2026-02-03 - 11:09
[ 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 Tue Feb 03, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
229111821010,1sleep72291117-21ssh23:49:247
20845372940,1sleep60-21swapper/622:21:556
23106132930,0sleep50-21swapper/523:56:525
20039142910,1sleep50-21swapper/521:51:415
165904025646,7sleep40-21swapper/419:04:174
165904025646,7sleep40-21swapper/419:04:174
165897625622,30sleep70-21swapper/719:03:247
165897625622,30sleep70-21swapper/719:03:247
165904125545,7sleep50-21swapper/519:04:185
165904125545,7sleep50-21swapper/519:04:185
1659483995145,5cyclictest1730857-21latency_hist19:41:287
1659475995047,2cyclictest1875767-21kworker/u16:4+events_unbound21:01:425
1659475994947,2cyclictest2217865-21kworker/u16:0+flush-8:023:46:575
1659475994946,2cyclictest2217865-21kworker/u16:0+events_unbound23:36:445
1659475994946,2cyclictest2217865-21kworker/u16:0+events_unbound23:36:445
1659483994847,0cyclictest0-21swapper/720:16:577
1659475994745,2cyclictest2217865-21kworker/u16:0+events_unbound23:21:455
1659483994643,2cyclictest2061152-21uptime22:12:017
1659475994644,2cyclictest2217865-21kworker/u16:0+events_unbound00:27:005
1659475994542,2cyclictest1908742-21kworker/u16:1+flush-8:021:21:595
1659475994341,2cyclictest1736572-21kworker/u16:0+events_unbound20:11:565
1659483994232,3cyclictest1929379-21ssh21:18:137
1659483994140,0cyclictest0-21swapper/723:36:097
1659475994139,2cyclictest2182065-21kworker/u16:3+events_unbound23:06:095
1659475994139,2cyclictest1954309-21kworker/u16:2+events_unbound21:47:005
1659475994139,2cyclictest1595925-21kworker/u16:4+flush-8:020:06:525
1659475994038,2cyclictest2313348-21kworker/u16:3+events_unbound00:07:585
1659475994038,2cyclictest2256472-21kworker/u16:4+events_unbound23:54:375
1659475994038,2cyclictest2217865-21kworker/u16:0+events_unbound00:03:585
1659475994038,2cyclictest1908742-21kworker/u16:1+events_unbound22:30:395
1659475993937,2cyclictest1895469-21kworker/u16:2+events_unbound21:06:495
1659475993937,2cyclictest1789190-21kworker/u16:1+flush-8:020:16:555
1659483993837,0cyclictest0-21swapper/721:48:347
1659475993836,2cyclictest2184262-21kworker/u16:4+events_unbound23:08:185
1659483993734,2cyclictest1951992-21memory21:26:547
1659475993735,2cyclictest2305277-21kworker/u16:1+events_unbound00:16:285
1659475993735,2cyclictest1908742-21kworker/u16:1+events_unbound21:19:055
1659475993735,2cyclictest1850752-21kworker/u16:0+events_unbound23:01:065
1659475993735,2cyclictest1850752-21kworker/u16:0+events_unbound23:01:065
1659475993735,2cyclictest1850752-21kworker/u16:0+events_unbound22:43:545
1659475993734,2cyclictest2160162-21kworker/u16:1+flush-8:023:11:595
1659483993635,0cyclictest0-21swapper/723:10:587
1659483993635,0cyclictest0-21swapper/700:11:167
1659483993632,3cyclictest124-21kswapd023:11:427
1659483993631,4cyclictest2362893-21taskset00:18:317
1659475993635,1cyclictest1908742-21kworker/u16:1+flush-8:022:06:285
1659475993634,2cyclictest2244114-21kworker/u16:2+events_unbound23:33:335
1659475993634,2cyclictest2217865-21kworker/u16:0+flush-8:000:21:585
1659475993634,2cyclictest2217865-21kworker/u16:0+events_unbound23:42:345
1659475993634,2cyclictest1954309-21kworker/u16:2+events_unbound22:20:535
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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