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2026-02-08 - 01:56
[ 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 Sun Feb 08, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5549472990,1sleep7554946-21rm00:00:347
5731382980,1sleep7573137-21cut00:06:277
4731722950,1sleep60-21swapper/623:26:276
408771026641,7sleep50-21swapper/519:03:115
408771026641,7sleep50-21swapper/519:03:115
4088207995653,2cyclictest419428-21kworker/u16:2+events_unbound23:51:225
4088202995452,2cyclictest373165-21kworker/u16:3+events_unbound22:51:224
408762625420,29sleep70-21swapper/719:02:017
408762625420,29sleep70-21swapper/719:02:017
4088216995146,4cyclictest4159529-21latency_hist19:41:087
4088202995048,2cyclictest335278-21kworker/u16:1+events_unbound22:36:214
4088207994845,2cyclictest419428-21kworker/u16:2+events_unbound23:06:095
4088202994846,2cyclictest506705-21kworker/u16:4+events_unbound00:16:254
4088216994742,4cyclictest397376-21latency_hist22:56:077
4088202994442,2cyclictest80542-21kworker/u16:3+events_unbound20:56:374
4088202994441,2cyclictest142408-21kworker/u16:2+flush-8:022:06:204
4088207994341,2cyclictest506705-21kworker/u16:4+events_unbound00:15:145
4088207994341,2cyclictest348644-21kworker/u16:0+events_unbound23:31:435
4088202994341,2cyclictest419428-21kworker/u16:2+events_unbound23:06:334
408787424333,7sleep60-21swapper/619:05:296
408787424333,7sleep60-21swapper/619:05:296
4088207994139,2cyclictest167126-21kworker/u16:3+flush-8:022:16:345
4088202994139,2cyclictest506705-21kworker/u16:4+events_unbound23:41:374
4088202994139,2cyclictest506705-21kworker/u16:4+events_unbound23:41:374
4088202994139,2cyclictest419428-21kworker/u16:2+events_unbound23:16:424
4088207994038,2cyclictest321546-21kworker/u16:5+events_unbound22:38:145
4088207994038,2cyclictest101330-21kworker/u16:1+events_unbound21:55:425
4088211993936,2cyclictest348644-21kworker/u16:0+flush-8:022:36:336
4088207993937,2cyclictest378750-21kworker/u16:4+flush-8:022:53:575
4088202993937,2cyclictest378750-21kworker/u16:4+flush-8:022:56:374
4088207993836,2cyclictest419428-21kworker/u16:2+events_unbound23:29:305
4088207993836,2cyclictest167126-21kworker/u16:3+events_unbound22:09:425
4088207993835,2cyclictest167126-21kworker/u16:3+flush-8:022:01:255
4088202993835,2cyclictest348644-21kworker/u16:0+events_unbound23:21:534
4088211993734,2cyclictest543535-21kworker/u16:1+flush-8:000:06:336
4088207993735,2cyclictest543535-21kworker/u16:1+events_unbound00:31:295
4088207993735,2cyclictest373165-21kworker/u16:3+flush-8:022:56:425
4088207993735,2cyclictest348644-21kworker/u16:0+flush-8:023:50:575
4088207993735,2cyclictest348644-21kworker/u16:0+flush-8:023:50:575
4088207993735,2cyclictest335278-21kworker/u16:1+events_unbound22:35:385
4088202993735,2cyclictest167126-21kworker/u16:3+flush-8:022:01:134
4088216993634,1cyclictest0-21swapper/719:26:087
4088207993634,2cyclictest543535-21kworker/u16:1+events_unbound00:24:275
4088207993634,2cyclictest506705-21kworker/u16:4+events_unbound00:06:315
408792023625,8sleep40-21swapper/419:06:074
408792023625,8sleep40-21swapper/419:06:074
4088216993530,4cyclictest650-21systemd-journal00:14:307
4088207993533,2cyclictest321546-21kworker/u16:5+events_unbound22:22:015
4088207993533,2cyclictest321546-21kworker/u16:5+events_unbound22:22:015
4088207993533,2cyclictest101330-21kworker/u16:1+events_unbound21:42:465
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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