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2026-02-07 - 00:18
[ 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 Fri Feb 06, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2625212198,18sleep00-21swapper/007:09:270
1367212096,17sleep10-21swapper/107:05:161
24092116105,6sleep30-21swapper/307:06:423
2443211597,12sleep20-21swapper/207:07:092
181482810,0sleep10-21swapper/107:45:171
276702790,0sleep30-21swapper/311:36:353
132062700,1sleep10-21swapper/111:20:461
132062700,1sleep10-21swapper/111:20:461
284742680,0sleep30-21swapper/309:54:183
2695992215,5cyclictest17202-21ssh09:41:042
269599202,2cyclictest0-21swapper/210:42:042
269499202,2cyclictest0-21swapper/110:42:041
269499201,2cyclictest0-21swapper/111:40:101
237502200,1sleep123751-21sh09:14:571
2695991916,2cyclictest22102-21kworker/u8:110:25:042
269499191,14cyclictest0-21swapper/109:50:061
162062190,1sleep119190-21diskmemload12:35:181
269699181,16cyclictest0-21swapper/312:00:123
2695991815,2cyclictest13526-21kworker/u8:109:14:042
2694991815,2cyclictest11427-21kworker/u8:211:28:041
2693991815,2cyclictest3521-21kworker/u8:110:42:040
2695991714,2cyclictest28776-21kworker/u8:107:30:042
2694991714,2cyclictest11427-21kworker/u8:211:54:041
269499171,14cyclictest0-21swapper/110:10:061
269499170,15cyclictest0-21swapper/111:11:031
269699160,14cyclictest0-21swapper/309:34:163
269599161,3cyclictest0-21swapper/211:30:132
2695991613,2cyclictest8103-21kworker/u8:010:08:042
2695991613,2cyclictest2660-21kworker/u8:109:27:042
2695991613,2cyclictest11427-21kworker/u8:211:27:042
269599161,2cyclictest0-21swapper/210:23:042
269599160,2cyclictest0-21swapper/209:18:042
269499161,3cyclictest0-21swapper/111:17:451
2694991613,2cyclictest9351-21kworker/u8:011:01:051
2694991613,2cyclictest1423-21kworker/u8:012:22:041
269499161,13cyclictest7265-21python12:25:231
2694991611,3cyclictest0-21swapper/108:45:131
269499160,2cyclictest0-21swapper/110:23:041
269499160,2cyclictest0-21swapper/109:18:041
269699150,2cyclictest0-21swapper/312:32:383
269699150,13cyclictest19190-21diskmemload09:22:283
269699150,13cyclictest0-21swapper/307:45:163
2695991512,2cyclictest5192-21kworker/u8:011:15:042
2695991512,2cyclictest3521-21kworker/u8:110:36:052
2695991512,2cyclictest29548-21kworker/u8:210:33:042
2695991512,2cyclictest28024-21kworker/u8:112:16:042
2695991512,2cyclictest14869-21kworker/u8:112:01:042
2695991512,2cyclictest13526-21kworker/u8:109:05:042
2695991512,2cyclictest13526-21kworker/u8:108:57:052
2695991512,2cyclictest1229-21kworker/u8:008:53:042
2695991512,2cyclictest11374-21kworker/u8:007:45:052
2695991512,2cyclictest0-21swapper/211:35:262
269599151,12cyclictest15040-21apt-get07:39:582
269599150,13cyclictest0-21swapper/208:15:132
269599150,13cyclictest0-21swapper/207:25:182
269499151,3cyclictest29431-21perl09:20:141
2694991512,2cyclictest9384-21kworker/u8:209:32:041
2694991512,2cyclictest8103-21kworker/u8:010:29:031
2694991512,2cyclictest29548-21kworker/u8:210:47:031
2694991512,2cyclictest21-21rcuc/110:00:071
2694991512,2cyclictest11427-21kworker/u8:211:36:041
269499151,12cyclictest22777-21taskset10:56:491
269499150,3cyclictest3788-21users11:45:251
269499150,3cyclictest0-21swapper/110:30:051
269399150,13cyclictest17804-1kworker/u9:109:55:180
269699141,2cyclictest11140-21perl09:35:143
2696991411,2cyclictest26530-21pzem_voltage08:05:223
2696991411,2cyclictest26530-21pzem_voltage08:05:213
2696991411,2cyclictest22273-21ssh10:21:183
2696991411,2cyclictest0-21swapper/311:50:183
2696991411,2cyclictest0-21swapper/311:16:483
2696991411,2cyclictest0-21swapper/311:12:383
2696991411,2cyclictest0-21swapper/310:45:083
2696991411,2cyclictest0-21swapper/310:05:183
2696991411,2cyclictest0-21swapper/309:47:383
269699140,3cyclictest23802-21apt-get09:15:063
269699140,2cyclictest3902-21runrttasks10:02:043
269699140,2cyclictest0-21swapper/310:39:583
269699140,2cyclictest0-21swapper/310:10:273
269699140,13cyclictest0-21swapper/312:10:083
269699140,13cyclictest0-21swapper/311:31:183
269699140,13cyclictest0-21swapper/310:29:583
269699140,12cyclictest0-21swapper/311:43:343
269599141,3cyclictest0-21swapper/211:21:142
269599141,3cyclictest0-21swapper/211:21:132
269599141,2cyclictest0-21swapper/209:30:122
2695991411,2cyclictest9760-21kworker/u8:012:06:042
2695991411,2cyclictest25252-21kworker/u8:008:11:042
2695991411,2cyclictest24863-21kworker/u8:211:05:032
2695991411,2cyclictest24863-21kworker/u8:211:02:052
2695991411,2cyclictest19896-21kworker/u8:212:35:042
2695991411,2cyclictest11427-21kworker/u8:211:56:042
2695991411,2cyclictest0-21swapper/212:11:362
2695991411,2cyclictest0-21swapper/211:41:362
2695991411,2cyclictest0-21swapper/210:55:462
269599140,2cyclictest13046-21ssh09:36:562
269599140,2cyclictest0-21swapper/209:48:472
269599140,13cyclictest0-21swapper/209:59:162
269599140,13cyclictest0-21swapper/207:55:162
269499149,3cyclictest5702-21memory07:15:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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