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2026-01-13 - 01:24
[ 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 Mon Jan 12, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3057821600,5sleep12372299cyclictest09:34:251
23534211695,16sleep10-21swapper/107:07:571
23489211593,16sleep30-21swapper/307:07:243
2927421070,0sleep30-21swapper/309:32:153
23548210695,6sleep00-21swapper/007:08:080
21903210594,6sleep20-21swapper/207:05:062
288542850,0sleep00-21swapper/011:17:370
300512770,0sleep00-21swapper/010:44:140
154702680,1sleep30-21swapper/309:52:223
97382240,1sleep00-21swapper/010:56:140
2372199210,19cyclictest0-21swapper/009:00:100
23724992017,2cyclictest2776-21kworker/u8:111:27:043
2372399200,2cyclictest0-21swapper/209:45:122
2372399200,2cyclictest0-21swapper/208:10:102
2372299200,2cyclictest0-21swapper/108:35:081
2372499190,2cyclictest0-21swapper/308:35:083
23724991815,2cyclictest7887-21kworker/u8:011:35:043
2372499181,2cyclictest0-21swapper/308:20:093
2372299180,6cyclictest0-21swapper/108:24:581
101672180,0sleep00-21swapper/009:46:070
23724991714,2cyclictest6924-21kworker/u8:009:58:053
23724991714,2cyclictest15430-21kworker/u8:111:41:053
2372299172,4cyclictest0-21swapper/108:28:011
2372199176,9cyclictest277-21jbd2/sda1-807:45:260
23724991613,2cyclictest9836-21kworker/u8:012:09:053
23724991613,2cyclictest7887-21kworker/u8:011:04:043
23724991613,2cyclictest7887-21kworker/u8:010:56:043
23724991613,2cyclictest2575-21kworker/u8:212:20:043
23724991613,2cyclictest20718-21kworker/u8:010:43:053
23724991613,2cyclictest19166-21kworker/u8:112:26:043
2372499161,2cyclictest3139-21sendmail-msp09:39:593
23724991611,3cyclictest0-21swapper/307:45:013
2372299160,14cyclictest0-21swapper/111:30:121
23721991612,2cyclictest14242-21kworker/u8:211:07:050
23721991611,3cyclictest23055-21cat10:35:270
23721991611,3cyclictest23055-21cat10:35:260
2372199161,13cyclictest12604-21fschecks_time08:00:140
23724991512,2cyclictest754-21kworker/u8:109:41:053
23724991512,2cyclictest2776-21kworker/u8:111:33:053
23724991512,2cyclictest25902-21kworker/u8:110:51:043
23724991512,2cyclictest25902-21kworker/u8:110:49:043
23724991512,2cyclictest20357-21kworker/u8:211:47:043
23724991512,2cyclictest17415-21kworker/u8:210:37:043
23724991512,2cyclictest17415-21kworker/u8:210:37:043
23724991512,2cyclictest15918-21kworker/u8:209:23:033
23724991512,2cyclictest14242-21kworker/u8:211:06:053
23724991511,2cyclictest25982-21apt-get11:15:113
2372499150,13cyclictest0-21swapper/307:40:003
23723991510,3cyclictest0-21swapper/209:40:122
2372399150,3cyclictest0-21swapper/207:15:142
2372399150,3cyclictest0-21swapper/207:15:132
2372399150,2cyclictest0-21swapper/211:08:082
2372399150,13cyclictest0-21swapper/212:05:132
2372399150,13cyclictest0-21swapper/212:00:042
2372399150,13cyclictest0-21swapper/211:28:442
2372399150,13cyclictest0-21swapper/209:34:572
2372299153,11cyclictest0-21swapper/111:52:171
23722991512,2cyclictest0-21swapper/111:05:171
23722991512,2cyclictest0-21swapper/109:10:161
2372299150,2cyclictest0-21swapper/109:18:431
2372299150,13cyclictest0-21swapper/112:00:461
2372299150,13cyclictest0-21swapper/110:23:371
2372199151,12cyclictest16471-21diskstats08:10:120
65502140,3sleep26560-21ssh10:18:282
2372499149,3cyclictest7934-21ssh10:20:103
23724991411,2cyclictest9836-21kworker/u8:012:16:043
23724991411,2cyclictest9583-21kworker/u8:007:52:053
23724991411,2cyclictest651-21kworker/u8:010:17:043
23724991411,2cyclictest3187-21kworker/u8:107:47:043
23724991411,2cyclictest28305-21kworker/u8:008:55:043
23724991411,2cyclictest17415-21kworker/u8:210:32:053
23724991411,2cyclictest17415-21kworker/u8:210:26:043
23724991411,2cyclictest17415-21kworker/u8:210:10:043
23724991411,2cyclictest15430-21kworker/u8:112:02:043
23724991411,2cyclictest0-21swapper/310:00:333
2372499140,9cyclictest0-21swapper/311:23:043
2372499140,2cyclictest0-21swapper/310:05:143
2372499140,12cyclictest0-21swapper/312:38:233
2372499140,12cyclictest0-21swapper/312:10:123
2372499140,12cyclictest0-21swapper/309:45:123
2372399149,3cyclictest0-21swapper/212:25:032
23723991411,2cyclictest0-21swapper/211:23:572
23723991411,2cyclictest0-21swapper/210:41:482
23723991410,2cyclictest8360-21perl07:50:142
23723991410,2cyclictest15864-21sh11:39:142
2372399140,2cyclictest0-21swapper/210:25:192
2372399140,12cyclictest17279-21latency_hist09:20:002
2372399140,12cyclictest0-21swapper/211:55:112
2372399140,12cyclictest0-21swapper/211:00:212
2372299149,3cyclictest30002-21munin-run08:45:001
23722991411,2cyclictest0-21swapper/112:11:171
23722991411,2cyclictest0-21swapper/109:55:571
23722991411,2cyclictest0-21swapper/109:41:361
23722991411,2cyclictest0-21swapper/109:21:071
23722991410,2cyclictest0-21swapper/111:35:511
23722991410,2cyclictest0-21swapper/110:43:101
2372299140,2cyclictest0-21swapper/111:43:261
2372299140,2cyclictest0-21swapper/110:39:171
2372299140,2cyclictest0-21swapper/110:39:161
2372299140,2cyclictest0-21swapper/107:45:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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