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2026-02-21 - 07:39
[ 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 Sat Feb 21, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30921212099,16sleep00-21swapper/019:07:080
31052211995,18sleep10-21swapper/119:08:501
30793211895,16sleep30-21swapper/319:05:313
3080429887,6sleep20-21swapper/219:05:382
53272780,0sleep30-21swapper/321:32:593
302142780,2sleep337-21rcuc/323:40:133
53512690,1sleep10-21swapper/121:33:001
209592690,0sleep30-21swapper/321:49:423
253072680,0sleep30-21swapper/322:27:103
166362540,1sleep316641-21mailstats23:25:213
168602500,1sleep216859-21ssh22:52:012
31171993217,13cyclictest0-21swapper/023:35:110
34962300,1sleep1221ktimersoftd/122:05:121
31171992513,10cyclictest0-21swapper/022:50:110
3117499241,2cyclictest0-21swapper/321:20:123
31171992416,7cyclictest0-21swapper/000:00:120
276142240,0sleep20-21swapper/220:20:132
3117199231,12cyclictest0-21swapper/020:45:140
50962220,1sleep20-21swapper/223:47:422
3117199221,19cyclictest0-21swapper/000:30:110
3117199220,12cyclictest0-21swapper/021:58:460
3117299211,2cyclictest0-21swapper/120:20:111
3117399200,19cyclictest0-21swapper/200:30:112
3117199200,12cyclictest0-21swapper/021:41:510
3117199193,6cyclictest0-21swapper/023:30:220
31171991910,2cyclictest0-21swapper/023:02:060
3117199190,2cyclictest0-21swapper/023:50:210
3117199190,11cyclictest15046-21diskmemload22:20:250
3117199181,6cyclictest0-21swapper/023:10:240
31173991714,2cyclictest27962-21kworker/u8:223:37:032
3117199172,4cyclictest0-21swapper/023:44:590
3117499160,14cyclictest28372-21sed23:04:593
3117499160,14cyclictest0-21swapper/323:52:593
31173991613,2cyclictest7741-21kworker/u8:022:44:052
31173991612,2cyclictest19858-21latency22:55:172
31172991611,3cyclictest0-21swapper/122:35:141
3117299161,13cyclictest0-21swapper/119:40:111
31171991611,3cyclictest619-21tr22:35:160
3117199161,13cyclictest0-21swapper/019:15:170
31171991611,3cyclictest0-21swapper/000:20:000
3117499151,12cyclictest5890-21ntp_states19:25:173
3117499151,12cyclictest22903-21unixbench_singl00:05:263
3117499151,12cyclictest20903-21ssh22:55:523
3117499151,12cyclictest19070-21ssh00:01:483
31174991510,3cyclictest5666-21iostat_ios20:45:163
3117499150,13cyclictest2986-21sh23:11:113
3117499150,13cyclictest0-21swapper/322:35:443
3117499150,13cyclictest0-21swapper/321:13:203
3117399150,2cyclictest0-21swapper/223:44:042
3117399150,13cyclictest0-21swapper/200:12:372
3117299152,7cyclictest0-21swapper/121:50:011
3117199152,7cyclictest8050-21ssh22:10:010
3117199152,7cyclictest0-21swapper/023:50:010
3117199151,12cyclictest15046-21diskmemload22:00:110
31171991511,2cyclictest0-21swapper/021:35:420
31171991510,3cyclictest17700-21ps21:45:180
3117199150,14cyclictest0-21swapper/022:45:120
3117199150,13cyclictest0-21swapper/022:57:050
3117499141,2cyclictest29470-21ssh00:13:143
31174991411,2cyclictest0-21swapper/322:05:503
31174991411,2cyclictest0-21swapper/300:38:103
31174991411,2cyclictest0-21swapper/300:31:203
3117499141,11cyclictest15046-21diskmemload21:37:553
3117499140,2cyclictest0-21swapper/322:23:393
3117499140,2cyclictest0-21swapper/321:44:193
3117499140,13cyclictest0-21swapper/321:18:093
3117499140,12cyclictest7458-21runrttasks23:47:123
3117499140,12cyclictest29123-21ssh21:57:303
3117499140,12cyclictest0-21swapper/323:34:283
3117499140,12cyclictest0-21swapper/322:10:053
3117499140,12cyclictest0-21swapper/322:02:393
3117499140,12cyclictest0-21swapper/321:00:123
3117399149,3cyclictest26863-21http_loadtime21:55:152
3117399149,3cyclictest11389-21ssh00:27:582
31173991411,2cyclictest0-21swapper/221:00:162
3117399141,11cyclictest15046-21diskmemload22:30:112
3117399140,13cyclictest0-21swapper/223:21:572
3117399140,13cyclictest0-21swapper/223:15:162
3117399140,13cyclictest0-21swapper/221:18:162
3117399140,13cyclictest0-21swapper/200:24:172
3117399140,12cyclictest942-21munin-node2
3117399140,12cyclictest8312-21munin-node2
3117399140,12cyclictest0-21swapper/223:09:292
3117299142,7cyclictest0-21swapper/123:54:591
3117299142,6cyclictest0-21swapper/119:54:591
3117299142,6cyclictest0-21swapper/119:15:001
3117299142,6cyclictest0-21swapper/100:20:001
3117299140,4cyclictest0-21swapper/122:00:141
3117299140,3cyclictest0-21swapper/121:54:271
3117299140,3cyclictest0-21swapper/121:54:261
31171991411,2cyclictest0-21swapper/022:33:320
3117199140,12cyclictest8960-21latency_hist19:35:000
3117199140,12cyclictest15046-21diskmemload00:14:320
3117199140,12cyclictest0-21swapper/023:24:520
3117199140,12cyclictest0-21swapper/019:40:130
31174991310,2cyclictest0-21swapper/322:46:413
31174991310,2cyclictest0-21swapper/322:33:233
3117499130,2cyclictest0-21swapper/323:55:433
3117499130,2cyclictest0-21swapper/323:23:103
3117499130,2cyclictest0-21swapper/323:06:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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