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2026-03-08 - 06:05
[ 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 rackfslot7.osadl.org (updated Sun Mar 08, 2026 00:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1720492997961,0cyclictest0-21swapper/420:42:164
1720492997857,21cyclictest1761351-21/usr/sbin/munin20:25:014
1720492997758,0cyclictest0-21swapper/420:30:434
172049299770,58cyclictest1786562-21kworker/u32:2+events_unbound21:12:434
1720492997557,0cyclictest0-21swapper/419:38:554
1720492997557,0cyclictest0-21swapper/400:10:464
1720492997536,20cyclictest1855342-21kworker/u32:1+events_unbound23:39:424
1720492997455,0cyclictest0-21swapper/419:16:354
1720492997436,19cyclictest191rcu_preempt00:24:504
1720492997436,19cyclictest1720363-21kworker/4:0-events22:17:194
1720492997436,19cyclictest1720363-21kworker/4:0-events22:17:184
1720492997335,19cyclictest1836000-21kworker/u32:0+events_unbound00:09:074
1720492997113,20cyclictest0-21swapper/421:23:114
1720492996931,38cyclictest1775658-21/usr/sbin/munin20:50:164
1720492996930,39cyclictest362-21jbd2/sda2-800:27:554
1720492996829,39cyclictest0-21swapper/419:59:344
172049299657,39cyclictest1860222-21taskset23:23:024
1720492996325,19cyclictest1870486-21ntpq23:40:194
1720492996224,18cyclictest0-21swapper/419:25:434
1720492996023,18cyclictest1743802-21needreboot19:50:194
1720490996020,40cyclictest0-21swapper/220:45:182
1720492995840,0cyclictest0-21swapper/421:27:074
172049299580,39cyclictest1781117-21kworker/u32:1+events_unbound22:32:314
1720492995757,0cyclictest0-21swapper/422:50:344
1720492995757,0cyclictest0-21swapper/422:28:224
1720492995738,0cyclictest0-21swapper/422:47:384
1720492995719,18cyclictest0-21swapper/421:03:464
1720492995718,39cyclictest1779527-21needreboot20:55:194
1720492995638,0cyclictest0-21swapper/421:09:354
1720492995638,0cyclictest0-21swapper/420:39:194
1720492995638,0cyclictest0-21swapper/419:30:284
1720492995637,19cyclictest0-21swapper/423:13:144
1720492995637,19cyclictest0-21swapper/422:00:394
1720492995618,19cyclictest1764076-21munin-run20:30:024
1720492995617,39cyclictest1899563-21kworker/u32:3-flush-8:000:36:264
1720492995537,18cyclictest873-21mta-sts-daemon23:00:384
1720492995537,0cyclictest0-21swapper/423:08:234
1720492995537,0cyclictest0-21swapper/421:53:264
1720492995536,0cyclictest1720363-21kworker/4:0+events21:57:424
1720492995517,38cyclictest0-21swapper/419:41:234
1720492995517,19cyclictest1800040-21munin-run21:35:014
1720492995516,39cyclictest1720363-21kworker/4:0+events20:18:084
1720492995436,0cyclictest0-21swapper/420:49:474
1720492995435,19cyclictest601ktimers/422:59:114
1720492995419,15cyclictest0-21swapper/422:12:504
1720492995419,15cyclictest0-21swapper/422:12:504
1720492995415,39cyclictest0-21swapper/419:47:394
172049299540,35cyclictest1720821-21kworker/u32:3+events_unbound19:10:554
1720492995319,34cyclictest0-21swapper/400:30:504
1720492995319,15cyclictest0-21swapper/422:20:254
1720492995319,15cyclictest0-21swapper/422:20:244
1720492995319,15cyclictest0-21swapper/420:00:294
1720492995314,39cyclictest0-21swapper/423:45:184
1720493995214,19cyclictest0-21swapper/521:50:165
1720493995214,19cyclictest0-21swapper/520:30:165
1720493995213,39cyclictest0-21swapper/521:10:165
1720492995233,19cyclictest0-21swapper/423:52:394
1720492995233,19cyclictest0-21swapper/423:31:214
1720492995233,19cyclictest0-21swapper/422:43:014
1720492995233,19cyclictest0-21swapper/420:08:244
1720492995233,19cyclictest0-21swapper/400:00:324
1720492995213,39cyclictest0-21swapper/421:45:544
1720492995132,19cyclictest0-21swapper/421:42:124
1720492995132,19cyclictest0-21swapper/419:22:024
1720492995132,19cyclictest0-21swapper/400:18:094
1720492995113,20cyclictest362-21jbd2/sda2-821:17:324
1720492995112,39cyclictest0-21swapper/423:15:394
1720489995132,19cyclictest18864602sleep100:10:161
1720493995011,39cyclictest0-21swapper/519:40:165
1720492995032,18cyclictest0-21swapper/423:25:244
1720492995032,18cyclictest0-21swapper/421:37:424
1720492995031,19cyclictest0-21swapper/423:57:004
1720492995031,19cyclictest0-21swapper/422:38:484
1720492995031,19cyclictest0-21swapper/422:06:284
1720492995031,19cyclictest0-21swapper/420:11:574
1720489995031,19cyclictest0-21swapper/119:10:141
1720493994931,18cyclictest0-21swapper/500:30:155
1720493994911,19cyclictest0-21swapper/519:45:185
1720493994810,19cyclictest0-21swapper/520:10:165
172049099479,19cyclictest0-21swapper/220:50:152
172048899479,19cyclictest0-21swapper/023:05:150
172049399468,19cyclictest0-21swapper/522:35:165
172049499455,39cyclictest0-21swapper/623:30:176
1720493994426,0cyclictest0-21swapper/520:55:165
172048899446,19cyclictest0-21swapper/021:10:150
172049099434,19cyclictest0-21swapper/221:30:152
172048999401,39cyclictest0-21swapper/100:35:151
172048899402,19cyclictest0-21swapper/019:20:170
172048899400,15cyclictest0-21swapper/021:20:150
1720494993920,19cyclictest0-21swapper/621:55:166
172049499390,38cyclictest0-21swapper/622:00:186
172049399391,19cyclictest0-21swapper/523:15:165
172049399380,19cyclictest0-21swapper/523:35:185
1720490993817,21cyclictest0-21swapper/221:35:152
172049099380,19cyclictest0-21swapper/220:30:162
172048999380,38cyclictest0-21swapper/121:00:171
1720488993819,0cyclictest0-21swapper/020:10:170
1720488993815,0cyclictest0-21swapper/021:40:170
1720488993814,19cyclictest0-21swapper/022:45:170
1720488993814,19cyclictest0-21swapper/022:10:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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