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2026-02-15 - 00:48
[ 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 Sat Feb 14, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
228915721630,3sleep40-21swapper/407:01:074
2292491995149,2cyclictest2525450-21kworker/u16:0+events_unbound10:01:086
229202124636,7sleep60-21swapper/607:03:106
2292495994540,4cyclictest3018293-21latency_hist12:30:417
2292491994543,2cyclictest2728074-21kworker/u16:6+events_unbound12:29:246
2292486994543,2cyclictest2910291-21kworker/u16:1+events_unbound12:34:565
2292486994543,2cyclictest2728074-21kworker/u16:6+flush-8:011:56:125
2292486994442,2cyclictest2525450-21kworker/u16:0+events_unbound10:32:525
2292491994341,2cyclictest2910291-21kworker/u16:1+events_unbound12:09:246
2292491994240,2cyclictest2838136-21kworker/u16:1+events_unbound11:32:246
2292491994240,2cyclictest2799473-21kworker/u16:4+events_unbound11:12:246
2292491994240,2cyclictest2525450-21kworker/u16:0+events_unbound09:55:286
2292486994240,2cyclictest2728074-21kworker/u16:6+events_unbound12:17:485
2292486994240,2cyclictest2727906-21kworker/u16:1+events_unbound10:28:125
22830882423,33sleep70-21swapper/707:00:557
2292491994139,2cyclictest2728074-21kworker/u16:6+events_unbound11:54:556
2292491994139,2cyclictest2728074-21kworker/u16:6+events_unbound10:39:526
229195324131,7sleep50-21swapper/507:02:135
2292491994038,2cyclictest2645691-21kworker/u16:2+events_unbound10:24:536
2292491994038,2cyclictest2600057-21kworker/u16:1+events_unbound09:39:016
2292491994038,2cyclictest2514833-21kworker/u16:3+events_unbound10:16:526
2292491994038,2cyclictest2514833-21kworker/u16:3+events_unbound10:16:526
2292486994038,2cyclictest2910291-21kworker/u16:1+events_unbound12:24:415
2292486994038,2cyclictest2514833-21kworker/u16:3+events_unbound09:50:085
2292486994037,2cyclictest2514833-21kworker/u16:3+events_unbound09:55:445
2292486994037,2cyclictest2439306-21kworker/u16:2+flush-8:009:25:525
2292481994036,3cyclictest2229311-21kworker/u16:0+flush-8:008:46:084
2292491993937,2cyclictest2967971-21kworker/u16:2+events_unbound12:13:566
2292491993937,2cyclictest2886197-21kworker/u16:0+events_unbound11:38:126
2292491993937,2cyclictest2728074-21kworker/u16:6+events_unbound11:02:286
2292491993937,2cyclictest2645691-21kworker/u16:2+events_unbound10:34:536
2292491993937,2cyclictest2525450-21kworker/u16:0+flush-8:009:10:426
2292486993937,2cyclictest2967971-21kworker/u16:2+events_unbound12:27:565
2292486993937,2cyclictest2774747-21kworker/u16:2+events_unbound11:42:075
2292486993937,2cyclictest2755021-21kworker/u16:1+events_unbound10:42:285
2292486993937,2cyclictest2514833-21kworker/u16:3+flush-8:009:41:075
2292491993836,2cyclictest2728074-21kworker/u16:6+events_unbound11:42:446
2292491993836,2cyclictest2645691-21kworker/u16:2+events_unbound10:10:336
2292486993836,2cyclictest2910291-21kworker/u16:1+events_unbound11:47:565
2292486993836,2cyclictest2728074-21kworker/u16:6+events_unbound12:12:245
2292486993836,2cyclictest2600057-21kworker/u16:1+events_unbound09:53:175
2292486993836,2cyclictest2514833-21kworker/u16:3+events_unbound10:04:085
2292491993735,2cyclictest2910291-21kworker/u16:1+events_unbound11:58:416
2292491993735,2cyclictest2910291-21kworker/u16:1+events_unbound11:48:166
2292491993735,2cyclictest2755021-21kworker/u16:1+events_unbound10:44:496
2292491993735,2cyclictest2728074-21kworker/u16:6+events_unbound12:04:176
2292491993735,2cyclictest2728074-21kworker/u16:6+events_unbound10:59:236
2292491993735,2cyclictest2514833-21kworker/u16:3+events_unbound09:22:566
2292486993735,2cyclictest2774747-21kworker/u16:2+flush-8:010:46:565
2292486993735,2cyclictest2728074-21kworker/u16:6+events_unbound11:18:245
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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