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2026-01-25 - 12:05
[ 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 50 highest latencies:
System rack0slot2.osadl.org (updated Sun Jan 25, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
212440227362,7sleep50-21swapper/519:06:405
2124740995553,2cyclictest2382798-21kworker/u16:2+events_unbound21:37:186
2124734995553,2cyclictest2580613-21kworker/u16:0+events_unbound22:37:184
2124740995452,2cyclictest2701422-21kworker/u16:2+events_unbound23:47:186
2124734995452,2cyclictest2457084-21kworker/u16:0+events_unbound21:47:304
2124740995351,2cyclictest2519885-21kworker/u16:3+events_unbound23:22:296
2124734995351,2cyclictest2519885-21kworker/u16:3+events_unbound23:02:344
212423725343,7sleep40-21swapper/419:04:224
2124740995250,2cyclictest2701422-21kworker/u16:2+events_unbound00:17:376
2124740995250,2cyclictest2701422-21kworker/u16:2+events_unbound00:17:376
2124734995250,2cyclictest2444558-21kworker/u16:1+flush-8:021:52:294
2124740995149,2cyclictest2519885-21kworker/u16:3+events_unbound23:32:176
2124734995149,2cyclictest2556538-21kworker/u16:4+events_unbound22:27:324
2124740994947,2cyclictest2481708-21kworker/u16:2+events_unbound22:02:296
2124740994947,2cyclictest2444558-21kworker/u16:1+events_unbound21:52:176
2124740994946,2cyclictest2665715-21kworker/u16:2+events_unbound23:17:066
2124740994946,2cyclictest2580613-21kworker/u16:0+events_unbound23:07:186
2124740994846,2cyclictest2444558-21kworker/u16:1+events_unbound22:07:366
2124740994845,2cyclictest2725931-21kworker/u16:4+events_unbound00:07:186
2124740994845,2cyclictest2457084-21kworker/u16:0+events_unbound21:57:186
2124734994846,2cyclictest2701422-21kworker/u16:2+events_unbound23:42:174
2124736994745,2cyclictest2701422-21kworker/u16:2+events_unbound23:42:345
2124736994745,2cyclictest2245064-21kworker/u16:0+flush-8:021:17:045
2124740994644,2cyclictest2847082-21kworker/u16:4+events_unbound00:27:376
2124734994544,1cyclictest2519885-21kworker/u16:3+flush-8:022:57:034
2124740994441,2cyclictest2507284-21kworker/u16:0+events_unbound22:17:326
2124740994441,2cyclictest2507284-21kworker/u16:0+events_unbound22:17:326
2124734994442,2cyclictest2808302-21kworker/u16:0+events_unbound00:22:384
2124744994338,4cyclictest2186569-21latency_hist19:37:047
2124736994341,2cyclictest2444558-21kworker/u16:1+events_unbound21:42:335
2124734994341,2cyclictest2808302-21kworker/u16:0+events_unbound00:17:334
2124734994341,2cyclictest2808302-21kworker/u16:0+events_unbound00:17:334
2124734994341,2cyclictest2580613-21kworker/u16:0+events_unbound22:42:294
21192902432,30sleep70-21swapper/719:02:257
2124740994240,2cyclictest2519885-21kworker/u16:3+events_unbound22:47:326
2124740994239,2cyclictest2556538-21kworker/u16:4+flush-8:022:32:196
2124736994240,2cyclictest2322449-21kworker/u16:1+flush-8:021:07:035
2124734994239,3cyclictest2519885-21kworker/u16:3+flush-8:023:52:204
2124734994239,2cyclictest2519885-21kworker/u16:3+events_unbound22:22:174
2124734994239,2cyclictest2444558-21kworker/u16:1+events_unbound22:47:184
2124740994139,2cyclictest2847082-21kworker/u16:4+events_unbound00:32:176
2124734994139,2cyclictest2444558-21kworker/u16:1+flush-8:022:12:354
2124734994138,2cyclictest2687468-21kworker/u16:1+events_unbound23:22:174
2124734994138,2cyclictest2519885-21kworker/u16:3+events_unbound23:47:064
2124744994039,0cyclictest0-21swapper/723:32:327
2124740994038,2cyclictest2687468-21kworker/u16:1+events_unbound23:52:366
2124734994038,2cyclictest2701422-21kworker/u16:2+events_unbound23:32:194
2124734994038,2cyclictest2701422-21kworker/u16:2+events_unbound00:07:164
2124740993937,2cyclictest2580613-21kworker/u16:0+events_unbound23:02:366
2124740993937,2cyclictest2361325-21kworker/u16:4+events_unbound21:45:136
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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