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2026-02-16 - 05:15
[ 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 100 highest latencies:
System rack0slot2.osadl.org (updated Mon Feb 16, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
217190726842,8sleep40-21swapper/419:03:564
28311932660,1sleep50-21swapper/500:00:545
217185925848,7sleep50-21swapper/519:03:175
2172326995452,2cyclictest2634753-21kworker/u16:1+events_unbound23:25:536
2172325995149,2cyclictest2535940-21kworker/u16:5+events_unbound22:01:045
2172325994846,2cyclictest2668641-21kworker/u16:3+flush-8:023:21:055
2172325994846,2cyclictest2338858-21kworker/u16:1+flush-8:021:01:035
2172331994743,2cyclictest2347034-21ntpq20:31:007
2172317994745,2cyclictest2789683-21kworker/u16:2+events_unbound00:21:054
2172317994744,2cyclictest2549902-21kworker/u16:0+events_unbound22:40:504
2172326994644,2cyclictest2789683-21kworker/u16:2+events_unbound00:16:066
2172326994441,2cyclictest2252475-21kworker/u16:2+events_unbound20:51:026
2172325994442,2cyclictest2451059-21kworker/u16:2+events_unbound21:31:005
21719942443,37sleep70-21swapper/719:05:117
2172325994341,2cyclictest2634753-21kworker/u16:1+events_unbound22:43:465
2172325994340,2cyclictest2813702-21kworker/u16:3+events_unbound00:10:505
2172317994341,2cyclictest2535940-21kworker/u16:5+events_unbound22:12:264
217176824333,7sleep60-21swapper/619:01:576
2172331994239,2cyclictest2790317-21ssh23:42:377
217233199420,40cyclictest2573054-21ssh22:13:137
2172326994240,2cyclictest2731450-21kworker/u16:0+events_unbound23:36:016
2172325994241,1cyclictest2634753-21kworker/u16:1+events_unbound22:57:295
2172317994240,2cyclictest2634753-21kworker/u16:1+events_unbound22:50:544
2172317994240,2cyclictest2402694-21kworker/u16:0+flush-8:021:10:364
2172317994240,2cyclictest2402694-21kworker/u16:0+flush-8:021:10:364
2172326994138,2cyclictest2719156-21kworker/u16:2+flush-8:023:15:356
2172326994138,2cyclictest2719156-21kworker/u16:2+flush-8:023:15:356
2172325994139,2cyclictest2668641-21kworker/u16:3+events_unbound23:08:575
2172325994139,2cyclictest2367609-21kworker/u16:4+events_unbound22:34:215
2172325994139,2cyclictest2367609-21kworker/u16:4+events_unbound22:34:215
2172325994138,2cyclictest2789683-21kworker/u16:2+events_unbound00:20:525
2172326994038,2cyclictest2789683-21kworker/u16:2+events_unbound00:10:386
2172326994038,2cyclictest2549902-21kworker/u16:0+events_unbound22:20:586
2172325994038,2cyclictest2862131-21kworker/u16:1+events_unbound00:19:025
2172325994038,2cyclictest2789683-21kworker/u16:2+events_unbound00:06:455
2172325994038,2cyclictest2634753-21kworker/u16:1+flush-8:023:41:065
2172325994038,2cyclictest2634753-21kworker/u16:1+events_unbound23:18:375
2172325994038,2cyclictest2634753-21kworker/u16:1+events_unbound23:05:335
2172325994038,2cyclictest2524853-21kworker/u16:1+events_unbound21:58:105
2172331993938,0cyclictest0-21swapper/723:38:257
2172331993938,0cyclictest0-21swapper/723:07:257
2172325993938,1cyclictest2367609-21kworker/u16:4+events_unbound22:28:575
2172325993937,2cyclictest2862131-21kworker/u16:1+events_unbound00:34:295
2172325993937,2cyclictest2731450-21kworker/u16:0+events_unbound23:34:015
2172325993937,2cyclictest2634753-21kworker/u16:1+events_unbound23:11:045
2172325993937,2cyclictest2634753-21kworker/u16:1+events_unbound23:11:045
2172325993936,2cyclictest2451059-21kworker/u16:2+flush-8:021:21:305
2172331993836,1cyclictest2755280-21ssh23:29:577
2172331993833,4cyclictest2598539-21latency_hist22:25:367
2172325993836,2cyclictest2862131-21kworker/u16:1+events_unbound00:26:405
2172325993836,2cyclictest2731450-21kworker/u16:0+events_unbound23:47:015
2172325993836,2cyclictest2731450-21kworker/u16:0+events_unbound23:47:015
2172325993836,2cyclictest2668641-21kworker/u16:3+events_unbound22:53:055
2172325993836,2cyclictest2634753-21kworker/u16:1+flush-8:023:51:045
2172325993836,2cyclictest2535940-21kworker/u16:5+events_unbound22:22:105
2172325993836,2cyclictest2402694-21kworker/u16:0+events_unbound21:12:015
2172325993836,2cyclictest2367609-21kworker/u16:4+events_unbound22:18:455
2172325993836,2cyclictest2367609-21kworker/u16:4+events_unbound22:06:465
2172325993833,2cyclictest2789683-21kworker/u16:2+events_unbound23:55:595
2172317993836,2cyclictest2682198-21kworker/u16:2+events_unbound23:00:504
217233199370,35cyclictest2801354-21timerwakeupswit23:46:087
217233199370,35cyclictest2801354-21timerwakeupswit23:46:087
2172325993735,2cyclictest2634753-21kworker/u16:1+events_unbound23:30:015
2172325993735,2cyclictest2451059-21kworker/u16:2+events_unbound21:28:305
2172317993734,2cyclictest2598958-21kworker/u16:2+events_unbound22:30:504
2172317993734,2cyclictest2598958-21kworker/u16:2+events_unbound22:30:504
2172331993634,1cyclictest2651907-21ssh22:45:567
2172331993631,4cyclictest2719377-21latency_hist23:15:367
2172331993631,4cyclictest2719377-21latency_hist23:15:367
2172326993634,2cyclictest2862131-21kworker/u16:1+events_unbound00:31:096
2172326993634,2cyclictest2549902-21kworker/u16:0+events_unbound22:30:056
2172326993633,2cyclictest2731450-21kworker/u16:0+events_unbound23:20:386
2172325993634,2cyclictest2549902-21kworker/u16:0+events_unbound22:11:085
2172325993634,2cyclictest2338858-21kworker/u16:1+events_unbound20:36:075
2172317993633,2cyclictest2634753-21kworker/u16:1+events_unbound23:35:514
2172331993534,0cyclictest0-21swapper/721:17:497
2172326993534,1cyclictest2634753-21kworker/u16:1+events_unbound23:45:576
2172326993534,1cyclictest2634753-21kworker/u16:1+events_unbound23:45:576
2172326993533,2cyclictest2731450-21kworker/u16:0+events_unbound23:30:506
2172326993533,2cyclictest2719156-21kworker/u16:2+flush-8:023:16:056
2172326993533,2cyclictest2535940-21kworker/u16:5+events_unbound22:35:556
2172326993532,2cyclictest2598958-21kworker/u16:2+events_unbound22:40:466
2172325993533,2cyclictest2634753-21kworker/u16:1+events_unbound23:38:175
2172325993533,2cyclictest2549902-21kworker/u16:0+events_unbound22:47:055
2172325993533,2cyclictest2451059-21kworker/u16:2+events_unbound21:40:215
2172325993533,2cyclictest2278255-21kworker/u16:0+flush-8:020:26:065
2172317993533,2cyclictest2535940-21kworker/u16:5+events_unbound22:16:424
2172331993433,0cyclictest0-21swapper/723:50:487
2172326993432,2cyclictest2402694-21kworker/u16:0+events_unbound21:01:006
2172325993432,2cyclictest2535940-21kworker/u16:5+events_unbound22:38:185
2172325993432,2cyclictest2338858-21kworker/u16:1+events_unbound21:09:305
2172325993432,2cyclictest2338858-21kworker/u16:1+events_unbound21:09:305
2172325993429,2cyclictest2502233-21kworker/u16:3+events_unbound21:53:135
2172317993431,2cyclictest2705360-21kworker/u16:0+flush-8:023:10:414
2172317993431,2cyclictest2705360-21kworker/u16:0+flush-8:023:10:414
2172331993333,0cyclictest0-21swapper/721:48:457
2172331993330,2cyclictest2337523-21ntpq20:26:017
2172331993329,3cyclictest2821687-21kthreadcore23:55:577
2172326993331,2cyclictest2888922-21kworker/u16:3+flush-8:000:26:176
2172326993331,2cyclictest2731450-21kworker/u16:0+events_unbound23:50:506
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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