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2026-02-22 - 04:16
[ 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 Sun Feb 22, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2003221490,0sleep30-21swapper/322:30:253
21459211593,17sleep00-21swapper/019:07:310
21579210992,12sleep20-21swapper/219:09:052
21348210998,6sleep10-21swapper/119:06:081
19853210280,6sleep30-21swapper/319:05:023
128892760,1sleep00-21swapper/000:04:340
128892760,1sleep00-21swapper/000:04:340
49672730,1sleep0101ktimersoftd/023:55:240
307742730,1sleep20-21swapper/222:41:592
269742670,1sleep30-21swapper/323:11:143
156252670,0sleep30-21swapper/320:15:003
59252650,0sleep20-21swapper/223:56:302
21678994527,16cyclictest0-21swapper/223:25:122
122862290,1sleep229-21rcuc/200:36:232
326252280,1sleep20-21swapper/223:17:302
206702230,0sleep30-21swapper/321:58:393
82002220,0sleep20-21swapper/222:19:222
239532200,1sleep30-21swapper/321:28:373
2167999190,14cyclictest9210-21users19:55:263
21677991815,2cyclictest7406-21kworker/u8:221:27:031
21679991713,2cyclictest15116-1kworker/u9:123:33:583
2167999170,16cyclictest17277-21ssh21:20:433
2167999170,15cyclictest0-21swapper/321:37:273
21679991613,2cyclictest7142-21kworker/u8:023:47:033
2167999160,3cyclictest6675-21snmpd21:10:473
2167999160,2cyclictest0-21swapper/322:05:243
2167899160,14cyclictest177312sleep221:21:262
21677991613,2cyclictest13923-21kworker/u8:022:27:031
21677991612,2cyclictest8879-21kworker/u8:223:04:041
2167799161,13cyclictest0-21swapper/120:15:001
21677991610,3cyclictest0-21swapper/100:30:161
2167699161,13cyclictest7831-21iostat_ios23:25:160
156282160,1sleep22167899cyclictest00:06:202
156282160,1sleep22167899cyclictest00:06:202
225602150,1sleep20-21swapper/200:14:382
2167999159,3cyclictest10840-21iostat_ios00:35:173
21679991512,2cyclictest0-21swapper/321:30:173
21679991512,2cyclictest0-21swapper/320:15:163
21679991512,2cyclictest0-21swapper/300:07:483
21679991512,2cyclictest0-21swapper/300:07:473
2167999151,12cyclictest29080-21python19:25:243
21679991511,2cyclictest19155-21chrt23:04:053
2167999150,3cyclictest3546-21ssh22:47:373
2167999150,3cyclictest24115-21munin-node3
2167999150,3cyclictest0-21swapper/323:30:013
2167999150,3cyclictest0-21swapper/319:10:283
2167999150,13cyclictest27241-21unixbench_multi19:20:253
2167999150,13cyclictest10646-21ssh21:48:013
2167899151,12cyclictest0-21swapper/221:31:162
2167899150,13cyclictest0-21swapper/200:16:142
2167799152,11cyclictest221ktimersoftd/121:21:401
2167799151,3cyclictest0-21swapper/122:35:161
21677991512,2cyclictest0-21swapper/121:44:131
2167799151,12cyclictest21531-21apt-get22:00:051
2167799150,14cyclictest0-21swapper/121:33:031
2167799150,13cyclictest0-21swapper/123:54:151
2167799150,13cyclictest0-21swapper/121:35:121
2167699151,3cyclictest0-21swapper/023:10:000
2167999149,3cyclictest5865-21iostat00:30:163
2167999149,3cyclictest0-21swapper/323:55:253
21679991411,2cyclictest5014-21kworker/u8:121:50:043
21679991411,2cyclictest0-21swapper/323:20:073
21679991411,2cyclictest0-21swapper/322:20:373
21679991411,2cyclictest0-21swapper/320:50:123
21679991411,2cyclictest0-21swapper/300:23:403
2167999140,2cyclictest0-21swapper/323:18:073
2167999140,2cyclictest0-21swapper/320:35:163
2167999140,13cyclictest22399-21ssh23:06:373
2167999140,13cyclictest0-21swapper/322:15:393
2167999140,13cyclictest0-21swapper/322:01:173
2167999140,13cyclictest0-21swapper/300:18:073
2167999140,12cyclictest13691-21ssh21:17:423
2167999140,12cyclictest0-21swapper/323:41:193
2167999140,12cyclictest0-21swapper/322:54:423
2167999140,12cyclictest0-21swapper/319:15:143
2167999140,12cyclictest0-21swapper/300:26:293
2167999140,12cyclictest0-21swapper/300:00:013
2167999140,12cyclictest0-21swapper/300:00:013
2167899141,2cyclictest0-21swapper/223:04:142
21678991411,2cyclictest0-21swapper/223:21:462
21678991411,2cyclictest0-21swapper/221:48:362
21678991411,2cyclictest0-21swapper/200:03:362
21678991411,2cyclictest0-21swapper/200:03:362
2167899140,12cyclictest0-21swapper/223:40:112
2167899140,12cyclictest0-21swapper/223:32:052
2167899140,12cyclictest0-21swapper/222:37:012
2167899140,12cyclictest0-21swapper/222:00:032
2167799149,3cyclictest23843-21iostat_ios00:15:171
2167799149,3cyclictest0-21swapper/100:35:171
21677991411,2cyclictest5331-21diskmemload23:10:331
21677991411,2cyclictest0-21swapper/122:43:131
21677991411,2cyclictest0-21swapper/122:18:131
21677991411,2cyclictest0-21swapper/121:48:591
21677991411,2cyclictest0-21swapper/121:17:551
21677991410,2cyclictest0-21swapper/123:45:051
2167799140,13cyclictest0-21swapper/122:55:531
2167799140,13cyclictest0-21swapper/100:26:531
2167799140,13cyclictest0-21swapper/100:22:541
2167799140,13cyclictest0-21swapper/100:00:141
2167799140,13cyclictest0-21swapper/100:00:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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