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2026-02-03 - 22:00
[ 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 Tue Feb 03, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20997211894,19sleep10-21swapper/107:08:401
20900211897,16sleep00-21swapper/007:07:270
20914211795,16sleep20-21swapper/207:07:362
20898211295,12sleep30-21swapper/307:07:253
21132994025,13cyclictest3614-21diskmemload11:40:103
21131993215,16cyclictest0-21swapper/211:55:132
21131993215,16cyclictest0-21swapper/211:55:122
26432300,0sleep00-21swapper/010:52:550
11562220,1sleep11161-21timerandwakeup12:35:261
2113299211,18cyclictest0-21swapper/307:45:113
2112999210,6cyclictest0-21swapper/010:25:020
21129992015,3cyclictest22937-21ssh10:05:130
2112999200,2cyclictest0-21swapper/012:25:120
2112999200,2cyclictest0-21swapper/008:30:110
233182190,1sleep121-21rcuc/108:35:241
21132991916,2cyclictest11176-21kworker/u8:210:31:053
21132991915,2cyclictest12609-21kworker/u8:211:58:053
21132991915,2cyclictest12609-21kworker/u8:211:58:043
21132991815,2cyclictest32127-21kworker/u8:011:37:053
21132991815,2cyclictest21699-21kworker/u8:211:01:053
21132991815,2cyclictest21691-21kworker/u8:010:20:053
2113199180,16cyclictest0-21swapper/207:35:112
21132991714,2cyclictest7514-21kworker/u8:109:22:053
21132991714,2cyclictest21699-21kworker/u8:210:54:043
21132991714,2cyclictest16811-21kworker/u8:110:46:053
2113299171,14cyclictest0-21swapper/311:45:163
2113199171,14cyclictest277-21jbd2/sda1-811:20:062
21129991714,2cyclictest21691-21kworker/u8:010:11:050
21132991613,2cyclictest26952-21kworker/u8:211:26:053
21132991613,2cyclictest13488-21kworker/u8:209:28:043
21132991612,2cyclictest11592-21kworker/u8:011:06:043
21132991612,2cyclictest0-21swapper/307:25:063
2113199161,3cyclictest19108-21awk10:35:182
2113199161,13cyclictest3814-21iostat07:45:152
21131991611,3cyclictest0-21swapper/211:28:152
2113099160,2cyclictest0-21swapper/107:40:071
21129991613,2cyclictest16124-21kworker/u8:209:58:040
2113299152,7cyclictest0-21swapper/312:35:013
2113299151,3cyclictest27235-21apt-get11:20:063
2113299151,3cyclictest22021-21ssh10:04:003
2113299151,3cyclictest11306-21ssh10:26:343
21132991512,2cyclictest27589-21kworker/u8:109:41:033
21132991512,2cyclictest17346-21kworker/u8:007:13:053
21132991512,2cyclictest16811-21kworker/u8:110:44:043
21132991512,2cyclictest12609-21kworker/u8:212:06:053
2113299151,12cyclictest0-21swapper/311:50:133
2113299151,12cyclictest0-21swapper/310:15:343
2113299151,12cyclictest0-21swapper/309:55:333
21132991511,2cyclictest0-21swapper/309:35:103
21132991510,3cyclictest0-21swapper/308:15:103
2113299150,13cyclictest0-21swapper/309:30:143
2113199150,3cyclictest0-21swapper/212:01:152
2113199150,13cyclictest0-21swapper/210:25:102
2113199150,13cyclictest0-21swapper/210:25:002
2113199150,11cyclictest0-21swapper/211:15:012
21129991512,2cyclictest8298-21kworker/u8:112:22:040
21129991512,2cyclictest13488-21kworker/u8:209:29:050
2112999151,12cyclictest5089-21iostat_ios10:20:170
21129991510,3cyclictest18320-21ssh10:00:120
2113299149,3cyclictest0-21swapper/312:03:073
2113299141,3cyclictest25386-21ssh11:16:533
21132991411,2cyclictest27907-21kworker/u8:209:03:043
21132991411,2cyclictest27907-21kworker/u8:209:03:033
21132991411,2cyclictest17346-21kworker/u8:007:39:053
21132991411,2cyclictest13501-21kworker/u8:012:15:033
2113299140,3cyclictest32311-21munin-node3
2113299140,2cyclictest0-21swapper/309:51:033
2113299140,2cyclictest0-21swapper/309:15:043
21131991411,2cyclictest0-21swapper/211:18:052
2113199140,13cyclictest0-21swapper/210:31:052
2113199140,12cyclictest25962-21smartctl07:20:142
2113199140,12cyclictest0-21swapper/212:15:052
2113099141,2cyclictest0-21swapper/110:21:051
2113099140,3cyclictest5950-21users12:05:251
2113099140,2cyclictest0-21swapper/110:15:261
2113099140,12cyclictest0-21swapper/110:34:261
2112999142,6cyclictest0-21swapper/007:14:590
2112999141,3cyclictest13474-21ssh12:14:570
2112999141,2cyclictest3614-21diskmemload10:41:300
2112999140,3cyclictest0-21swapper/011:40:130
2112999140,12cyclictest3614-21diskmemload11:15:170
2112999140,12cyclictest3614-21diskmemload11:08:290
2112999140,12cyclictest0-21swapper/012:35:150
2112999140,12cyclictest0-21swapper/009:12:100
47702130,1sleep1221ktimersoftd/109:45:141
2113299131,10cyclictest0-21swapper/309:47:543
21132991310,2cyclictest3790-21kworker/u8:107:51:053
21132991310,2cyclictest27907-21kworker/u8:209:11:043
21132991310,2cyclictest12609-21kworker/u8:212:12:043
21132991310,2cyclictest0-21swapper/312:21:163
21132991310,2cyclictest0-21swapper/311:32:013
21132991310,2cyclictest0-21swapper/311:12:563
2113299130,9cyclictest0-21swapper/308:52:053
2113299130,2cyclictest0-21swapper/312:26:003
2113299130,2cyclictest0-21swapper/310:55:363
2113299130,2cyclictest0-21swapper/308:45:103
2113299130,12cyclictest0-21swapper/310:37:563
2113199138,3cyclictest4020-21sendmail10:19:592
21131991310,2cyclictest3614-21diskmemload09:50:052
21131991310,2cyclictest0-21swapper/212:25:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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