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2026-02-15 - 16:01
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, slot #6

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6s.osadl.org (updated Sun Feb 15, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8623211999,15sleep30-21swapper/307:09:313
67372115104,6sleep20-21swapper/207:05:062
8542211391,16sleep10-21swapper/107:08:291
835429988,6sleep00-21swapper/007:06:050
274392800,0sleep00-21swapper/009:11:190
236302760,2sleep1868899cyclictest10:18:221
102792700,0sleep30-21swapper/310:04:053
35452690,0sleep20-21swapper/211:41:292
868999253,17cyclictest0-21swapper/208:52:042
868999252,18cyclictest0-21swapper/209:40:042
159962250,1sleep10-21swapper/111:55:151
868999242,17cyclictest0-21swapper/210:30:042
868999232,16cyclictest0-21swapper/211:32:052
868999232,16cyclictest0-21swapper/208:31:042
868999213,17cyclictest0-21swapper/210:29:032
868999212,2cyclictest0-21swapper/209:47:032
868999212,2cyclictest0-21swapper/208:18:042
868999211,4cyclictest0-21swapper/209:02:042
868999210,4cyclictest0-21swapper/212:21:052
868999210,19cyclictest0-21swapper/210:40:122
8690992017,2cyclictest22995-21kworker/u8:110:20:043
8690992017,2cyclictest20457-21kworker/u8:111:04:053
868999203,2cyclictest0-21swapper/209:19:042
868999202,2cyclictest0-21swapper/208:47:032
868999202,2cyclictest0-21swapper/208:27:042
868999202,17cyclictest0-21swapper/207:51:042
868999201,2cyclictest0-21swapper/207:28:042
868999200,2cyclictest0-21swapper/210:15:122
8688992017,2cyclictest4862-21kworker/u8:112:24:051
8688992017,2cyclictest4574-21kworker/u8:009:23:051
8688992017,2cyclictest19103-21kworker/u8:008:11:041
8688992017,2cyclictest16505-21kworker/u8:211:28:051
8688992017,2cyclictest13801-21kworker/u8:109:54:041
8690991916,2cyclictest15447-21kworker/u8:310:48:043
868999192,2cyclictest0-21swapper/211:52:052
868999191,2cyclictest0-21swapper/212:19:052
868999191,2cyclictest0-21swapper/210:04:042
8688991916,2cyclictest5309-21kworker/u8:311:11:051
8688991916,2cyclictest4574-21kworker/u8:009:29:041
8688991916,2cyclictest31468-21kworker/u8:208:07:041
8688991916,2cyclictest27700-21kworker/u8:210:35:051
8688991916,2cyclictest25529-21kworker/u8:109:15:041
8688991916,2cyclictest25257-21kworker/u8:108:03:041
8688991916,2cyclictest19993-21kworker/u8:212:09:051
8688991916,2cyclictest16505-21kworker/u8:211:21:051
868899190,18cyclictest0-21swapper/111:04:051
8690991815,2cyclictest22534-21kworker/u8:207:45:033
8690991815,2cyclictest20457-21kworker/u8:110:54:043
8690991815,2cyclictest14388-21kworker/u8:111:54:053
8690991815,2cyclictest13801-21kworker/u8:109:39:053
868999183,2cyclictest0-21swapper/209:08:042
868999182,2cyclictest0-21swapper/211:39:052
868999181,2cyclictest0-21swapper/211:20:042
868999181,2cyclictest0-21swapper/211:02:042
868999180,2cyclictest0-21swapper/209:30:042
8688991815,2cyclictest4928-21kworker/u8:008:28:041
8688991815,2cyclictest20457-21kworker/u8:110:58:041
8688991815,2cyclictest16412-21kworker/u8:107:26:041
8688991815,2cyclictest13801-21kworker/u8:109:37:041
8688991815,2cyclictest11250-21kworker/u8:209:13:041
868899180,17cyclictest0-21swapper/110:20:041
8690991714,2cyclictest5309-21kworker/u8:311:09:053
8690991714,2cyclictest4574-21kworker/u8:009:31:053
8690991714,2cyclictest27700-21kworker/u8:210:38:043
8690991714,2cyclictest13801-21kworker/u8:109:51:053
8690991714,2cyclictest11250-21kworker/u8:209:26:043
868999171,2cyclictest0-21swapper/207:20:042
8688991714,2cyclictest4928-21kworker/u8:008:22:041
8688991714,2cyclictest2477-21kworker/u8:108:37:041
8688991714,2cyclictest2093-21kworker/u8:007:21:041
8688991714,2cyclictest13801-21kworker/u8:109:34:041
8688991714,2cyclictest11250-21kworker/u8:208:46:041
8688991714,2cyclictest10191-21kworker/u8:010:45:051
868899170,2cyclictest0-21swapper/111:54:051
868899170,15cyclictest0-21swapper/110:08:041
8690991613,2cyclictest6342-21kworker/u8:110:08:043
8690991613,2cyclictest27264-21kworker/u8:210:12:043
8690991613,2cyclictest27264-21kworker/u8:209:56:043
8690991613,2cyclictest25529-21kworker/u8:109:16:043
8690991613,2cyclictest22995-21kworker/u8:110:18:043
8690991613,2cyclictest20598-21kworker/u8:009:43:053
8690991613,2cyclictest19993-21kworker/u8:212:10:053
8690991613,2cyclictest16412-21kworker/u8:107:30:043
8690991613,2cyclictest14388-21kworker/u8:112:05:053
8690991613,2cyclictest1244-21kworker/u8:011:45:053
8690991613,2cyclictest10191-21kworker/u8:010:42:043
868999161,3cyclictest0-21swapper/211:45:142
868999161,2cyclictest0-21swapper/209:14:042
8689991611,3cyclictest0-21swapper/211:25:162
868999160,2cyclictest0-21swapper/209:35:042
868899161,3cyclictest0-21swapper/108:55:271
8688991613,2cyclictest6342-21kworker/u8:110:02:041
8688991613,2cyclictest4928-21kworker/u8:008:33:051
8688991613,2cyclictest16505-21kworker/u8:211:35:051
868899160,14cyclictest0-21swapper/112:10:051
868799160,14cyclictest0-21swapper/009:15:250
8690991512,2cyclictest8541-21kworker/u8:107:18:043
8690991512,2cyclictest4928-21kworker/u8:008:32:043
8690991512,2cyclictest4862-21kworker/u8:112:38:053
8690991512,2cyclictest20457-21kworker/u8:111:16:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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