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2026-02-17 - 21:50
[ 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 Tue Feb 17, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26962022990,1sleep72696203-21sh11:53:217
23710512970,1sleep72371049-21sh09:38:487
22947212580,0sleep60-21swapper/609:05:536
2054279995856,2cyclictest2468402-21kworker/u16:0+events_unbound10:50:295
205374725848,7sleep60-21swapper/607:01:596
205374725848,7sleep60-21swapper/607:01:596
2054284995755,1cyclictest2287496-21diskmemload12:15:577
2054284995755,1cyclictest2287496-21diskmemload12:15:577
205374625747,7sleep50-21swapper/507:01:585
205374625747,7sleep50-21swapper/507:01:585
2054284994845,2cyclictest2525578-21ssh10:40:567
626589470,40rtkit-daemon0-21swapper/407:04:064
626589470,40rtkit-daemon0-21swapper/407:04:064
26092422470,0sleep72609243-21tr11:15:547
2054280994644,2cyclictest2382279-21kworker/u16:1+events_unbound10:43:016
2054284994542,2cyclictest2085694-21ntp_states07:15:587
2054280994543,2cyclictest2382279-21kworker/u16:1+flush-8:011:30:596
2054280994543,2cyclictest2382279-21kworker/u16:1+flush-8:011:30:596
2054280994442,2cyclictest2685758-21kworker/u16:0+events_unbound12:01:026
2054279994440,3cyclictest2268713-21kworker/u16:1+flush-8:009:00:305
2054280994341,2cyclictest2589043-21kworker/u16:0+events_unbound11:26:386
2054279994341,2cyclictest2143721-21kworker/u16:0+events_unbound09:06:015
2054284994237,4cyclictest2552785-21latency_hist10:55:307
205428499420,40cyclictest2162310-21grep07:55:587
2054280994240,2cyclictest2589043-21kworker/u16:0+events_unbound11:16:146
2054280994239,2cyclictest2323724-21kworker/u16:4+flush-8:009:55:456
2054280994239,2cyclictest2258892-21kworker/u16:3+flush-8:009:21:016
2054280994139,2cyclictest2395443-21kworker/u16:2+events_unbound10:05:186
2054279994138,2cyclictest2634137-21kworker/u16:2+flush-8:012:15:245
2054279994138,2cyclictest2634137-21kworker/u16:2+flush-8:012:15:245
20456432413,31sleep70-21swapper/707:00:477
20456432413,31sleep70-21swapper/707:00:477
2054284994039,0cyclictest0-21swapper/712:21:017
205428499400,38cyclictest2571953-21kthreadcore11:00:547
2054280994038,2cyclictest2382279-21kworker/u16:1+events_unbound10:23:506
2054280994038,2cyclictest2258892-21kworker/u16:3+flush-8:009:26:006
2054280994038,2cyclictest2258892-21kworker/u16:3+events_unbound09:30:566
2054280994038,2cyclictest2143721-21kworker/u16:0+events_unbound08:46:016
2054279994037,2cyclictest2395443-21kworker/u16:2+flush-8:009:55:305
2054284993937,1cyclictest2287496-21diskmemload10:12:347
2054280993937,2cyclictest2502320-21kworker/u16:5+events_unbound11:05:146
2054280993937,2cyclictest2382279-21kworker/u16:1+events_unbound11:00:016
2054280993937,2cyclictest2268713-21kworker/u16:1+events_unbound09:14:186
2054279993937,2cyclictest1970867-21kworker/u16:0+events_unbound07:30:455
2054284993837,0cyclictest0-21swapper/712:06:047
2054284993836,1cyclictest2591986-21kthreadcore11:10:497
2054284993836,1cyclictest2287496-21diskmemload12:28:457
2054280993836,2cyclictest2671019-21kworker/u16:1+events_unbound11:53:146
2054280993836,2cyclictest2086653-21kworker/u16:1+events_unbound07:46:016
2054280993835,2cyclictest2649854-21kworker/u16:3+flush-8:012:05:486
2054279993834,3cyclictest2212540-21kworker/u16:2+flush-8:008:30:495
2054284993732,3cyclictest2149939-21kthreadcore07:50:517
205428499370,36cyclictest2647989-21sh11:33:097
205428499370,36cyclictest2647989-21sh11:33:097
2054280993735,2cyclictest2779499-21kworker/u16:0+events_unbound12:30:186
2054280993735,2cyclictest2649854-21kworker/u16:3+events_unbound12:12:146
2054280993735,2cyclictest2649854-21kworker/u16:3+events_unbound12:12:146
2054280993735,2cyclictest2382279-21kworker/u16:1+events_unbound10:29:386
2054280993735,2cyclictest2143721-21kworker/u16:0+events_unbound09:15:576
2054280993734,2cyclictest2382279-21kworker/u16:1+flush-8:010:45:566
2054284993635,0cyclictest0-21swapper/712:31:007
2054284993634,1cyclictest2673282-21ssh11:45:297
2054284993633,2cyclictest2489430-21ntpq10:25:597
2054280993634,2cyclictest2649854-21kworker/u16:3+events_unbound11:47:386
2054280993634,2cyclictest2649854-21kworker/u16:3+events_unbound11:37:466
2054280993634,2cyclictest2649854-21kworker/u16:3+events_unbound11:37:466
2054280993634,2cyclictest2589043-21kworker/u16:0+events_unbound11:21:176
2054280993634,2cyclictest2502320-21kworker/u16:5+events_unbound10:54:276
2054280993634,2cyclictest2382279-21kworker/u16:1+events_unbound10:18:106
2054280993634,2cyclictest2086653-21kworker/u16:1+events_unbound07:40:556
2054284993534,0cyclictest0-21swapper/709:22:187
205428499350,34cyclictest2659524-21ssh11:37:177
205428499350,34cyclictest2659524-21ssh11:37:177
2054280993533,2cyclictest2382279-21kworker/u16:1+events_unbound09:50:076
2054280993533,2cyclictest2212540-21kworker/u16:2+events_unbound08:27:416
2054279993533,2cyclictest2502320-21kworker/u16:5+events_unbound10:56:015
2054279993533,2cyclictest2143721-21kworker/u16:0+flush-8:009:15:255
2054277993533,2cyclictest2212540-21kworker/u16:2+flush-8:008:40:564
2054284993433,0cyclictest0-21swapper/709:42:307
2054284993432,1cyclictest2698522-21grep11:55:437
2054284993432,1cyclictest2287496-21diskmemload10:57:257
2054280993432,2cyclictest2395443-21kworker/u16:2+events_unbound10:30:566
2054280993432,2cyclictest1970867-21kworker/u16:0+flush-8:007:30:566
2054280993431,2cyclictest2143721-21kworker/u16:0+events_unbound08:20:436
2054279993432,2cyclictest2634137-21kworker/u16:2+events_unbound11:40:585
2054279993432,2cyclictest2502320-21kworker/u16:5+flush-8:011:00:585
2054279993432,2cyclictest2143721-21kworker/u16:0+events_unbound09:15:445
2054279993431,2cyclictest2395443-21kworker/u16:2+flush-8:010:00:475
2054284993333,0cyclictest0-21swapper/712:15:167
2054284993333,0cyclictest0-21swapper/712:15:167
2054280993331,2cyclictest2685758-21kworker/u16:0+events_unbound11:59:206
2054280993331,2cyclictest2323724-21kworker/u16:4+events_unbound10:12:406
2054280993331,2cyclictest2258892-21kworker/u16:3+events_unbound09:39:246
2054280993331,2cyclictest1970867-21kworker/u16:0+events_unbound07:25:586
2054280993331,2cyclictest1970867-21kworker/u16:0+events_unbound07:25:586
2054279993330,2cyclictest1970867-21kworker/u16:0+flush-8:007:25:565
2054279993330,2cyclictest1970867-21kworker/u16:0+flush-8:007:25:565
2054284993229,2cyclictest2431642-21ssh10:04:217
2054284993229,2cyclictest2357935-21ssh09:31:537
2054284993229,2cyclictest2287496-21diskmemload09:53:057
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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