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2026-02-24 - 05:33
[ 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 24, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9728212097,16sleep30-21swapper/319:05:023
11455211594,16sleep00-21swapper/019:08:590
11326211395,12sleep20-21swapper/219:07:212
11476210796,6sleep10-21swapper/119:09:161
236232730,1sleep20-21swapper/223:54:412
139572250,0sleep20-21swapper/200:17:422
1156499221,19cyclictest0-21swapper/320:10:113
308702210,1sleep229-21rcuc/200:01:032
240342210,0sleep20-21swapper/222:12:562
1156299211,2cyclictest0-21swapper/119:10:111
1156199210,19cyclictest0-21swapper/023:20:120
260432200,0sleep20-21swapper/200:30:172
11561992017,2cyclictest0-21swapper/022:55:110
11564991714,2cyclictest30754-21kworker/u8:123:46:043
11564991613,2cyclictest29627-21kworker/u8:222:55:053
1156399162,9cyclictest0-21swapper/222:01:042
11563991613,2cyclictest30318-21kworker/u8:022:26:042
11563991613,2cyclictest2799-21kworker/u8:123:02:042
11563991613,2cyclictest25245-21kworker/u8:100:36:052
11563991613,2cyclictest23872-21kworker/u8:121:22:042
1156199161,12cyclictest7427-21metacity21:44:580
82712150,1sleep28274-21gltestperf20:20:152
1156499159,5cyclictest0-21swapper/320:00:043
11564991512,2cyclictest854-21kworker/u8:222:00:043
11564991512,2cyclictest30318-21kworker/u8:022:24:043
11564991512,2cyclictest2799-21kworker/u8:123:14:043
11564991512,2cyclictest19531-21kworker/u8:200:12:043
11564991512,2cyclictest15787-21kworker/u8:221:28:043
11564991511,3cyclictest8772-21kworker/u8:023:09:033
11564991511,2cyclictest0-21swapper/322:16:573
11564991510,3cyclictest0-21swapper/322:40:163
11564991510,3cyclictest0-21swapper/300:35:123
1156499150,2cyclictest24820-21ps21:00:183
1156499150,10cyclictest0-21swapper/320:38:043
1156399152,11cyclictest0-21swapper/223:38:172
11563991512,2cyclictest6372-21kworker/u8:122:08:052
11563991512,2cyclictest5236-21kworker/u8:119:17:042
11563991512,2cyclictest23339-21kworker/u8:219:47:042
11563991512,2cyclictest22050-21kworker/u8:221:41:052
11563991512,2cyclictest16362-21kworker/u8:122:41:032
11563991512,2cyclictest15787-21kworker/u8:221:25:042
11563991512,2cyclictest11760-21kworker/u8:023:57:032
1156399150,14cyclictest0-21swapper/221:14:042
1156399150,13cyclictest27301-21ssh22:15:342
1156399150,13cyclictest26952-21kworker/2:219:10:162
1156399150,13cyclictest0-21swapper/222:52:332
1156299151,12cyclictest15143-21perl23:45:151
11562991510,2cyclictest0-21swapper/122:20:201
1156299150,3cyclictest0-21swapper/122:45:001
1156299150,3cyclictest0-21swapper/100:32:401
1156199151,12cyclictest6053-21ssh00:10:120
1156199151,11cyclictest18811-21ssh21:33:590
11561991510,3cyclictest27675-21diskmemload23:06:550
220442140,3sleep10-21swapper/121:36:331
1156499149,3cyclictest0-21swapper/319:15:163
1156499149,3cyclictest0-21swapper/300:30:053
1156499142,7cyclictest0-21swapper/319:55:013
1156499142,6cyclictest0-21swapper/321:05:003
11564991411,2cyclictest6372-21kworker/u8:121:56:043
11564991411,2cyclictest30318-21kworker/u8:022:27:043
11564991411,2cyclictest15787-21kworker/u8:221:13:043
11564991411,2cyclictest10149-21kworker/u8:000:28:043
1156499140,12cyclictest0-21swapper/321:15:013
1156499140,12cyclictest0-21swapper/319:30:123
1156399149,3cyclictest0-21swapper/221:35:352
1156399142,10cyclictest4014-21ssh21:51:412
1156399141,2cyclictest0-21swapper/223:12:042
11563991411,2cyclictest5591-21kworker/u8:120:33:042
11563991411,2cyclictest23872-21kworker/u8:121:09:042
11563991411,2cyclictest23339-21kworker/u8:219:40:042
11563991411,2cyclictest0-21swapper/200:05:172
1156399140,9cyclictest0-21swapper/221:45:042
1156399140,12cyclictest0-21swapper/223:16:282
1156299140,12cyclictest27095-21timerandwakeup19:45:261
1156299140,12cyclictest2466-21cut20:05:211
1156299140,12cyclictest24326-21python23:20:251
1156299140,12cyclictest21823-21dbus-daemon-lau20:55:041
1156299140,12cyclictest0-21swapper/121:05:221
1156299140,12cyclictest0-21swapper/120:00:231
11561991411,2cyclictest0-21swapper/000:05:080
1156199140,12cyclictest15209-21ssh23:45:150
1156199140,12cyclictest13772-21dpkg20:35:120
1156199140,12cyclictest12224-21python00:15:260
1156199140,12cyclictest0-21swapper/022:01:430
1156199140,12cyclictest0-21swapper/021:50:100
1156199140,12cyclictest0-21swapper/000:38:330
1156499132,6cyclictest0-21swapper/321:45:013
1156499131,7cyclictest0-21swapper/321:00:003
11564991310,2cyclictest6372-21kworker/u8:122:10:043
11564991310,2cyclictest29627-21kworker/u8:223:01:043
11564991310,2cyclictest23073-21kworker/u8:323:23:053
11564991310,2cyclictest19988-21kworker/u8:019:36:043
11564991310,2cyclictest19531-21kworker/u8:223:51:043
11564991310,2cyclictest19531-21kworker/u8:200:00:043
1156499130,8cyclictest0-21swapper/322:51:033
1156499130,2cyclictest0-21swapper/323:58:093
1156499130,2cyclictest0-21swapper/323:18:583
1156499130,2cyclictest0-21swapper/322:30:283
1156499130,2cyclictest0-21swapper/319:55:103
1156499130,2cyclictest0-21swapper/300:15:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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