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2026-02-19 - 10:25
[ 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 Thu Feb 19, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25117972970,0sleep60-21swapper/623:30:486
192319225848,7sleep60-21swapper/619:01:406
192335025227,8sleep50-21swapper/519:03:555
1923755994741,5cyclictest2598426-21latency_hist00:10:237
1923755994741,5cyclictest2598426-21latency_hist00:10:237
1923755994640,5cyclictest2347727-21latency_hist22:25:247
192375599460,44cyclictest1965608-21latency_hist19:25:247
192319024431,10sleep40-21swapper/419:01:384
1923749994341,2cyclictest2428365-21kworker/u16:2+events_unbound23:25:525
1923749994341,2cyclictest2428365-21kworker/u16:2+events_unbound23:25:525
23059782420,0sleep72305981-21cut22:05:467
23059782420,0sleep72305981-21cut22:05:467
1923749994038,2cyclictest2428365-21kworker/u16:2+flush-8:000:15:395
19231542393,31sleep70-21swapper/719:01:087
192375599370,35cyclictest2491059-21latency_hist23:25:237
1923749993735,2cyclictest2335767-21kworker/u16:0+events_unbound22:33:375
1923749993735,2cyclictest2274997-21kworker/u16:4+flush-8:022:10:535
1923749993735,2cyclictest2274997-21kworker/u16:4+events_unbound22:55:505
1923755993628,7cyclictest2080277-21latency_hist20:25:247
1923753993630,5cyclictest2428365-21kworker/u16:2+flush-8:023:40:496
1923749993634,2cyclictest2274997-21kworker/u16:4+events_unbound23:10:535
1923749993634,2cyclictest1840739-21kworker/u16:1+events_unbound19:25:545
1923749993533,2cyclictest2274997-21kworker/u16:4+events_unbound21:54:405
1923744993534,1cyclictest2178347-21kworker/u16:2+events_unbound21:20:414
1923749993432,2cyclictest2538745-21kworker/u16:1+events_unbound23:45:575
1923749993432,2cyclictest2371746-21kworker/u16:1+events_unbound22:35:545
1923749993432,2cyclictest2274997-21kworker/u16:4+events_unbound23:24:005
1923749993331,2cyclictest2428365-21kworker/u16:2+flush-8:023:16:005
1923749993331,2cyclictest2274997-21kworker/u16:4+flush-8:022:40:405
1923749993331,2cyclictest2178347-21kworker/u16:2+flush-8:021:45:435
1923749993230,2cyclictest2455371-21kworker/u16:0+events_unbound23:35:545
1923749993230,2cyclictest2416600-21kworker/u16:1+events_unbound23:09:445
1923749993230,2cyclictest2274997-21kworker/u16:4+events_unbound22:46:435
1923749993230,2cyclictest2274997-21kworker/u16:4+events_unbound22:46:435
1923744993229,3cyclictest2455371-21kworker/u16:0+flush-8:023:30:594
1923755993126,4cyclictest2407564-21latency_hist22:50:247
1923755993126,4cyclictest2407564-21latency_hist22:50:247
1923749993129,2cyclictest2609531-21kworker/u16:4+events_unbound00:32:115
1923749993129,2cyclictest2455371-21kworker/u16:0+flush-8:000:00:575
1923749993129,2cyclictest2335767-21kworker/u16:0+events_unbound22:29:525
1923749993129,2cyclictest2157191-21kworker/u16:0+events_unbound21:15:015
1923749993129,2cyclictest1945952-21kworker/u16:0+flush-8:019:40:505
1923749993028,2cyclictest2455371-21kworker/u16:0+events_unbound23:31:325
1923749993028,2cyclictest2274997-21kworker/u16:4+events_unbound22:10:125
1923749993028,2cyclictest2274997-21kworker/u16:4+events_unbound22:10:125
1923749993028,2cyclictest2252196-21kworker/u16:3+events_unbound22:25:035
1923749993028,2cyclictest2200333-21kworker/u16:1+events_unbound21:26:125
1923749993028,2cyclictest2200333-21kworker/u16:1+events_unbound21:26:125
1923749992927,2cyclictest2538745-21kworker/u16:1+events_unbound00:06:355
1923749992927,2cyclictest2538745-21kworker/u16:1+events_unbound00:06:355
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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