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2026-01-13 - 22:23
[ 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 rackeslot6.osadl.org (updated Tue Jan 13, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22047949910087,10cyclictest266-21systemd-journal08:25:001
2204788999891,5cyclictest2258652-21kworker/u8:1+events_unbound10:15:010
2204788999080,4cyclictest2232469-21kworker/u8:0+events_unbound09:00:230
2204794998878,7cyclictest2269783-21kworker/u8:3+flush-179:010:50:011
2204788998878,8cyclictest2221028-21latency_hist08:00:010
2204788998580,4cyclictest2255606-21kworker/u8:2+events_unbound10:00:240
2204788998373,3cyclictest2230802-21kworker/u8:1+events_unbound09:25:100
2204788998277,4cyclictest2224494-21kworker/u8:2+events_unbound08:45:280
2204794997974,4cyclictest2287552-21kworker/u8:2+events_unbound11:54:561
2204794997870,5cyclictest2284393-21latency_hist11:25:011
2204794997870,5cyclictest2230802-21kworker/u8:1+flush-179:008:55:001
2204788997873,4cyclictest2212749-21kworker/u8:2+events_unbound07:45:260
2204788997873,4cyclictest2212749-21kworker/u8:2+events_unbound07:45:250
2204788997773,3cyclictest2258652-21kworker/u8:1+flush-179:011:05:010
2204788997768,4cyclictest2282848-21kworker/u8:3+events_unbound11:40:250
2204794997672,3cyclictest2287549-21kworker/u8:0+events_unbound11:35:271
2204788997571,3cyclictest2269783-21kworker/u8:3+events_unbound10:50:230
2204788997469,4cyclictest2282848-21kworker/u8:3+flush-179:011:30:230
2204788997464,7cyclictest2208018-21latency_hist07:20:010
2204788997464,4cyclictest2245125-21kworker/u8:0+events_unbound09:50:250
2204788997368,4cyclictest2258652-21kworker/u8:1+events_unbound10:10:240
2204788997364,3cyclictest2258652-21kworker/u8:1+events_unbound10:30:140
2204788997267,4cyclictest2282848-21kworker/u8:3+flush-179:011:50:200
2204788997266,4cyclictest2295517-21latency_hist12:00:000
2204788997166,4cyclictest2230816-21kworker/u8:3+flush-179:008:35:260
2204794996961,6cyclictest2226056-21latency_hist08:20:011
2204794996961,3cyclictest2300967-21kworker/u8:1+events_unbound12:30:211
2204788996964,4cyclictest2269783-21kworker/u8:3+flush-179:010:39:550
2204788996963,4cyclictest2212749-21kworker/u8:2+events_unbound08:05:140
2204788996863,4cyclictest2224494-21kworker/u8:2+events_unbound08:30:240
2204788996859,3cyclictest2245125-21kworker/u8:0+flush-179:010:20:180
2204788996857,4cyclictest2224494-21kworker/u8:2+flush-179:008:15:200
2204794996762,4cyclictest2212782-21kworker/u8:4+events_unbound07:40:171
2204788996759,6cyclictest2211185-21latency_hist07:30:000
2204794996662,3cyclictest2201739-21kworker/u8:0+events_unbound07:24:141
2204794996656,8cyclictest2281435-21/usr/sbin/munin11:15:241
2204794996562,2cyclictest0-21swapper/110:21:591
2204794996561,3cyclictest2245125-21kworker/u8:0+events_unbound09:44:351
2204794996560,4cyclictest2245125-21kworker/u8:0+events_unbound10:38:401
2204794996556,7cyclictest2268212-21latency_hist10:35:011
2204788996556,4cyclictest2230802-21kworker/u8:1+events_unbound09:13:390
2204788996459,4cyclictest2245125-21kworker/u8:0+flush-179:010:05:270
2204788996459,4cyclictest2232469-21kworker/u8:0+events_unbound09:05:210
2204788996453,4cyclictest2224494-21kworker/u8:2+flush-179:008:55:190
2204794996358,4cyclictest2245125-21kworker/u8:0+events_unbound09:24:311
2204794996357,4cyclictest2245125-21kworker/u8:0+events_unbound09:55:131
2204788996358,4cyclictest2298742-21kworker/u8:0+events_unbound12:10:250
2204788996358,4cyclictest2255606-21kworker/u8:2+events_unbound09:55:170
2204788996358,4cyclictest2216229-21kworker/u8:0+events_unbound07:50:130
2204788996258,3cyclictest2287549-21kworker/u8:0+flush-179:011:35:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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