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2026-01-22 - 11:42
[ 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 Thu Jan 22, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2376876995451,2cyclictest2830371-21kworker/u16:2+events_unbound22:57:306
2376876995451,2cyclictest2830371-21kworker/u16:2+events_unbound22:57:306
237638025444,7sleep60-21swapper/619:04:076
2376876995249,2cyclictest2805479-21kworker/u16:1+events_unbound23:27:186
2376877995145,5cyclictest2457867-21latency_hist19:47:167
2376876994946,2cyclictest2659235-21kworker/u16:0+flush-8:021:42:306
2376876994745,2cyclictest2924760-21kworker/u16:0+events_unbound00:22:296
2376876994744,2cyclictest2743393-21kworker/u16:5+events_unbound22:52:316
237643224737,7sleep40-21swapper/419:04:534
31195282450,0sleep73119527-21rm00:35:357
2376876994541,3cyclictest2743393-21kworker/u16:5+flush-8:022:22:416
25833752440,0sleep60-21swapper/620:52:156
2376876994340,2cyclictest2770190-21kworker/u16:3+events_unbound22:12:296
2376877994237,4cyclictest3059986-21latency_hist00:12:157
2376876994139,2cyclictest2805479-21kworker/u16:1+flush-8:022:42:456
2376876994139,2cyclictest2805479-21kworker/u16:1+events_unbound23:07:426
2376876994139,2cyclictest2659235-21kworker/u16:0+events_unbound21:27:466
237631924030,7sleep50-21swapper/519:03:185
2376876993937,2cyclictest3023740-21kworker/u16:1+events_unbound00:12:296
2376876993937,2cyclictest2997286-21kworker/u16:3+events_unbound00:07:186
23764462395,30sleep70-21swapper/719:05:047
2376876993836,2cyclictest3023740-21kworker/u16:1+events_unbound00:04:016
2376876993735,2cyclictest2924760-21kworker/u16:0+events_unbound23:47:146
2376876993735,2cyclictest2732272-21kworker/u16:3+events_unbound21:58:156
2376876993634,2cyclictest2924760-21kworker/u16:0+flush-8:023:47:586
2376876993634,2cyclictest2924760-21kworker/u16:0+events_unbound23:34:346
2376876993634,2cyclictest2924760-21kworker/u16:0+events_unbound23:18:466
2376876993634,2cyclictest2743393-21kworker/u16:5+flush-8:022:48:536
2376876993634,2cyclictest2743393-21kworker/u16:5+events_unbound22:28:546
2376876993634,2cyclictest2743393-21kworker/u16:5+events_unbound22:02:496
2376876993634,2cyclictest2535218-21kworker/u16:3+events_unbound21:23:426
2376876993533,2cyclictest2830371-21kworker/u16:2+events_unbound23:04:016
2376876993533,2cyclictest2805479-21kworker/u16:1+events_unbound23:39:276
2376876993533,2cyclictest2805479-21kworker/u16:1+events_unbound23:39:276
2376876993533,2cyclictest2659235-21kworker/u16:0+events_unbound21:52:126
2376876993533,2cyclictest2624824-21kworker/u16:4+events_unbound22:07:386
2376877993428,5cyclictest2636539-21latency_hist21:17:167
2376876993432,2cyclictest2758055-21kworker/u16:0+flush-8:022:37:416
2376876993432,2cyclictest2535218-21kworker/u16:3+events_unbound21:10:546
2376873993432,2cyclictest2515501-21kworker/u16:1+flush-8:021:12:475
2376876993331,2cyclictest2976765-21kworker/u16:2+flush-8:000:17:506
2376876993331,2cyclictest2976765-21kworker/u16:2+events_unbound23:58:506
2376876993331,2cyclictest2924760-21kworker/u16:0+events_unbound00:30:356
2376876993331,2cyclictest2758055-21kworker/u16:0+events_unbound22:32:456
2376876993331,2cyclictest2743393-21kworker/u16:5+events_unbound22:19:536
2376876993331,2cyclictest2659235-21kworker/u16:0+events_unbound21:38:546
2376876993331,2cyclictest2659235-21kworker/u16:0+events_unbound21:38:546
2376876993331,2cyclictest2624824-21kworker/u16:4+events_unbound21:20:506
2376876993331,2cyclictest2624824-21kworker/u16:4+events_unbound21:13:226
2376876993331,2cyclictest2515501-21kworker/u16:1+events_unbound21:32:436
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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