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2026-03-04 - 12:30
[ 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 Wed Mar 04, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
820211796,16sleep20-21swapper/219:07:072
756211493,16sleep00-21swapper/019:06:170
801211288,19sleep30-21swapper/319:06:523
797921070,1sleep27978-21ssh23:46:332
315210791,11sleep10-21swapper/119:05:461
297002780,0sleep10-21swapper/121:55:171
32422720,1sleep3381ktimersoftd/323:09:143
291142720,0sleep00-21swapper/022:28:440
143472700,0sleep30-21swapper/322:45:583
64412250,0sleep10-21swapper/123:45:161
107299210,19cyclictest0-21swapper/100:10:111
1073992017,2cyclictest0-21swapper/223:20:112
275932190,1sleep20-21swapper/223:00:162
45762180,0sleep30-21swapper/300:16:533
268732180,0sleep30-21swapper/323:00:093
107499171,13cyclictest0-21swapper/322:30:413
81372160,1sleep00-21swapper/022:06:020
107499162,9cyclictest0-21swapper/319:25:013
1074991611,3cyclictest7713-21hddtemp_smartct00:20:143
1074991611,3cyclictest30790-21munin-node3
107399161,13cyclictest10491-21sh23:15:342
1072991611,3cyclictest11615-21turbostat00:25:001
107299161,13cyclictest0-21swapper/122:35:131
107499151,2cyclictest0-21swapper/321:25:113
107499151,12cyclictest7819-21ssh23:46:193
107499151,12cyclictest19587-21ssh00:32:273
107499151,12cyclictest0-21swapper/300:05:343
1074991510,3cyclictest0-21swapper/322:03:463
1074991510,3cyclictest0-21swapper/321:16:483
107499150,13cyclictest17376-21diskmemload21:42:343
107499150,13cyclictest17344-21ssh23:23:223
1073991512,2cyclictest31698-21ssh23:05:092
1073991512,2cyclictest2234-21kworker/u8:200:27:052
107399151,12cyclictest9655-21head20:50:102
107399151,12cyclictest24935-21munin-node2
107399151,12cyclictest21847-21ssh23:27:562
107399151,12cyclictest0-21swapper/200:00:172
107299152,8cyclictest20413-21ssh22:20:001
107299151,12cyclictest30219-21apt-get22:30:081
1072991510,3cyclictest3055-21apt-get20:35:061
1072991510,3cyclictest0-21swapper/122:10:291
107299150,2cyclictest0-21swapper/122:22:111
107199151,12cyclictest19397-21ssh22:51:210
274362140,3sleep027675-21sh21:20:150
107499149,3cyclictest10150-21iostat_ios21:35:153
107499141,3cyclictest19675-21ssh22:51:463
1074991410,2cyclictest24594-21ssh22:56:573
107499140,2cyclictest0-21swapper/323:41:543
107499140,2cyclictest0-21swapper/323:26:453
107499140,2cyclictest0-21swapper/322:10:153
107499140,12cyclictest29741-21munin-node3
107499140,12cyclictest11324-21ssh23:16:303
107499140,12cyclictest0-21swapper/323:36:263
107499140,12cyclictest0-21swapper/322:40:343
107499140,12cyclictest0-21swapper/321:46:243
107499140,12cyclictest0-21swapper/321:05:123
107499140,12cyclictest0-21swapper/300:27:453
107399149,3cyclictest1174-21ssh22:00:122
107399141,2cyclictest12436-21apt-get22:45:112
1073991411,2cyclictest15246-21kworker/u8:223:58:042
107399140,12cyclictest30873-21ssh23:36:592
107299149,3cyclictest377-21cat21:25:161
107299142,7cyclictest0-21swapper/120:55:001
107299142,7cyclictest0-21swapper/119:45:001
107299142,7cyclictest0-21swapper/100:15:011
107299141,11cyclictest17376-21diskmemload23:11:191
107299140,13cyclictest0-21swapper/122:42:011
107299140,13cyclictest0-21swapper/121:45:521
107299140,12cyclictest0-21swapper/119:55:111
107199140,13cyclictest0-21swapper/022:04:050
107199140,12cyclictest0-21swapper/023:10:390
107199140,12cyclictest0-21swapper/021:40:080
107199140,12cyclictest0-21swapper/021:19:410
107199140,12cyclictest0-21swapper/020:25:160
19572130,2sleep10-21swapper/123:40:371
107499131,10cyclictest27592-21ssh22:26:213
1074991310,2cyclictest0-21swapper/323:50:453
1074991310,2cyclictest0-21swapper/323:33:333
1074991310,2cyclictest0-21swapper/323:13:213
1074991310,2cyclictest0-21swapper/322:37:253
1074991310,2cyclictest0-21swapper/322:15:593
1074991310,2cyclictest0-21swapper/322:07:193
1074991310,2cyclictest0-21swapper/321:55:393
1074991310,2cyclictest0-21swapper/321:00:353
1074991310,2cyclictest0-21swapper/319:25:433
1074991310,2cyclictest0-21swapper/319:15:293
1074991310,2cyclictest0-21swapper/300:02:253
107499130,2cyclictest4086-21memory20:35:163
107499130,2cyclictest0-21swapper/321:11:053
107499130,2cyclictest0-21swapper/300:35:523
107499130,12cyclictest0-21swapper/321:52:543
107499130,12cyclictest0-21swapper/321:30:403
107499130,12cyclictest0-21swapper/320:25:543
107499130,11cyclictest0-21swapper/321:21:323
1073991310,2cyclictest0-21swapper/223:44:482
1073991310,2cyclictest0-21swapper/223:10:282
1073991310,2cyclictest0-21swapper/219:54:592
107399130,2cyclictest0-21swapper/222:57:152
107399130,12cyclictest0-21swapper/222:20:152
107399130,12cyclictest0-21swapper/200:39:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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