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2026-02-24 - 17:05
[ 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 24, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31663782930,1sleep73166379-21rm09:51:077
33289332570,0sleep60-21swapper/611:00:236
281445325747,7sleep40-21swapper/407:03:104
2814879995250,2cyclictest3481089-21kworker/u16:2+events_unbound12:15:335
2814879995250,2cyclictest3481089-21kworker/u16:2+events_unbound12:15:335
281443625242,7sleep50-21swapper/507:02:555
2814879995048,2cyclictest3277219-21kworker/u16:3+events_unbound11:05:295
2814879994846,2cyclictest3083350-21kworker/u16:2+events_unbound09:50:385
281436324837,8sleep60-21swapper/607:01:516
28145422471,30sleep70-21swapper/707:04:257
2814879994644,2cyclictest3481089-21kworker/u16:2+events_unbound12:20:325
2814879994542,2cyclictest3277219-21kworker/u16:3+flush-8:011:40:335
2814879994442,2cyclictest3468546-21kworker/u16:1+events_unbound12:30:345
2814879994442,2cyclictest3277219-21kworker/u16:3+flush-8:011:00:175
2814879994442,2cyclictest3277219-21kworker/u16:3+events_unbound11:12:205
2814879994442,2cyclictest3274275-21kworker/u16:0+events_unbound10:41:175
2814886994338,4cyclictest2855953-21awk07:20:297
2814884994341,2cyclictest3083350-21kworker/u16:2+flush-8:009:30:026
2814884994341,2cyclictest2914538-21kworker/u16:3+flush-8:009:14:576
2814879994341,2cyclictest3361007-21kworker/u16:4+flush-8:012:00:315
2814879994341,2cyclictest3202243-21kworker/u16:4+events_unbound10:27:175
2814879994240,2cyclictest3274275-21kworker/u16:0+events_unbound11:54:215
2814879994240,2cyclictest3168517-21kworker/u16:1+events_unbound10:50:345
2814879994240,2cyclictest3168517-21kworker/u16:1+events_unbound10:16:205
2814879994239,2cyclictest2914538-21kworker/u16:3+events_unbound09:44:455
2814879994139,2cyclictest3277219-21kworker/u16:3+events_unbound10:56:165
2814879994139,2cyclictest3277219-21kworker/u16:3+events_unbound10:56:165
2814879994139,2cyclictest3144434-21kworker/u16:0+flush-8:009:56:025
2814879994038,2cyclictest3468546-21kworker/u16:1+events_unbound12:28:565
2814879994038,2cyclictest3468546-21kworker/u16:1+events_unbound12:13:495
2814879994038,2cyclictest3361007-21kworker/u16:4+events_unbound11:22:205
2814879994038,2cyclictest3168517-21kworker/u16:1+events_unbound10:30:345
2814879994038,2cyclictest3168517-21kworker/u16:1+events_unbound10:12:045
2814879994038,2cyclictest3168517-21kworker/u16:1+events_unbound10:09:455
2814879994038,2cyclictest3083350-21kworker/u16:2+events_unbound09:38:295
2814879994038,2cyclictest3039104-21kworker/u16:1+events_unbound09:06:175
2814879994037,2cyclictest3083350-21kworker/u16:2+events_unbound10:20:095
2814884993937,2cyclictest3144434-21kworker/u16:0+flush-8:009:50:396
2814879993937,2cyclictest3361007-21kworker/u16:4+events_unbound11:35:045
2814879993937,2cyclictest3361007-21kworker/u16:4+events_unbound11:35:045
2814879993937,2cyclictest3274275-21kworker/u16:0+events_unbound11:34:175
2814879993937,2cyclictest3274275-21kworker/u16:0+events_unbound11:28:335
2814879993937,2cyclictest3274275-21kworker/u16:0+events_unbound11:18:545
2814879993934,4cyclictest2866236-21packagekitd07:27:035
2814884993836,2cyclictest3481089-21kworker/u16:2+flush-8:012:29:566
2814884993836,2cyclictest3361007-21kworker/u16:4+flush-8:012:30:386
2814879993836,2cyclictest3202243-21kworker/u16:4+events_unbound10:36:285
2814879993836,2cyclictest3039104-21kworker/u16:1+events_unbound09:21:255
2814879993836,2cyclictest2914538-21kworker/u16:3+events_unbound10:03:015
2814879993736,1cyclictest3168517-21kworker/u16:1+events_unbound10:45:235
2814879993735,2cyclictest3441558-21kworker/u16:2+events_unbound11:48:135
2814879993735,2cyclictest3039104-21kworker/u16:1+events_unbound09:11:045
2814879993734,2cyclictest3274275-21kworker/u16:0+events_unbound11:56:205
2814879993634,2cyclictest3144434-21kworker/u16:0+events_unbound09:49:145
2814879993634,2cyclictest3083350-21kworker/u16:2+events_unbound09:31:335
2814879993634,2cyclictest3039104-21kworker/u16:1+events_unbound09:29:225
2814879993532,2cyclictest2924401-21kworker/u16:0+flush-8:008:15:215
2814879993532,2cyclictest2924401-21kworker/u16:0+flush-8:008:15:215
2814879993432,2cyclictest3083350-21kworker/u16:2+events_unbound09:19:165
2814879993431,2cyclictest3361007-21kworker/u16:4+events_unbound12:05:275
2814884993331,2cyclictest2914538-21kworker/u16:3+flush-8:008:30:336
281488699320,1cyclictest0-21swapper/708:50:277
2814884993229,2cyclictest2079505-21kworker/u16:2+flush-8:007:55:036
2814884993228,3cyclictest3168517-21kworker/u16:1+flush-8:010:25:206
2814879993129,2cyclictest2079505-21kworker/u16:2+events_unbound07:31:185
2814879993129,2cyclictest2079505-21kworker/u16:2+events_unbound07:31:185
2814886993025,4cyclictest3120417-21latency_hist09:35:027
2814884993028,2cyclictest3361007-21kworker/u16:4+flush-8:011:39:566
2814884993028,2cyclictest3361007-21kworker/u16:4+flush-8:011:39:566
2814884993028,2cyclictest2924401-21kworker/u16:0+events_unbound08:15:326
2814884993028,2cyclictest2924401-21kworker/u16:0+events_unbound08:15:326
2814884993027,2cyclictest3202243-21kworker/u16:4+flush-8:010:15:216
2814879993028,2cyclictest2962436-21kworker/u16:2+flush-8:008:26:135
2814879993028,2cyclictest2828449-21kworker/u16:0+events_unbound07:24:245
2814884992925,3cyclictest2837873-21kworker/u16:4+flush-8:007:27:136
2814884992826,2cyclictest3274275-21kworker/u16:0+flush-8:011:25:236
2814879992826,2cyclictest2962436-21kworker/u16:2+events_unbound08:46:215
2814879992826,2cyclictest2776951-21kworker/u16:3+events_unbound07:08:145
2814879992825,2cyclictest2914538-21kworker/u16:3+flush-8:008:20:125
33117092270,1chrt3311707-21ssh10:52:397
2814884992725,2cyclictest3168517-21kworker/u16:1+flush-8:010:35:026
2814884992725,2cyclictest2914538-21kworker/u16:3+flush-8:010:00:246
2814879992725,2cyclictest2914538-21kworker/u16:3+events_unbound08:32:145
2814879992725,2cyclictest2914538-21kworker/u16:3+events_unbound08:03:135
2814879992725,2cyclictest2079505-21kworker/u16:2+events_unbound07:51:145
2814879992624,2cyclictest2924401-21kworker/u16:0+events_unbound09:02:145
2814879992624,2cyclictest2079505-21kworker/u16:2+flush-8:007:46:175
34449172250,1chrt3444916-21grep11:50:017
33845262250,1chrt3384524-21ssh11:24:137
2814886992524,0cyclictest0-21swapper/707:10:207
2814879992523,2cyclictest2924401-21kworker/u16:0+events_unbound08:58:415
2814879992523,2cyclictest2837873-21kworker/u16:4+events_unbound07:16:135
2814879992523,2cyclictest2079505-21kworker/u16:2+events_unbound07:56:095
2814871992523,2cyclictest3202243-21kworker/u16:4+flush-8:010:20:124
281488699240,22cyclictest3470039-21grep12:00:167
2814884992422,2cyclictest3083350-21kworker/u16:2+events_unbound09:20:296
2814879992422,2cyclictest2914538-21kworker/u16:3+events_unbound08:36:095
2814884992321,2cyclictest2924401-21kworker/u16:0+events_unbound08:25:246
2814879992321,2cyclictest2914538-21kworker/u16:3+events_unbound08:51:125
2814879992321,2cyclictest2079505-21kworker/u16:2+events_unbound07:44:295
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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