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2026-03-03 - 23:50
[ 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 Mar 03, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15569211996,18sleep00-21swapper/007:08:230
1884521180,2sleep123-21ksoftirqd/111:44:151
1884521180,2sleep123-21ksoftirqd/111:44:141
15516211896,17sleep20-21swapper/207:07:412
15619211599,11sleep30-21swapper/307:09:013
15498211594,16sleep10-21swapper/107:07:281
63862820,0sleep30-21swapper/311:30:303
63862820,0sleep30-21swapper/311:30:293
16372730,2sleep337-21rcuc/309:45:123
306162720,1sleep0101ktimersoftd/011:21:570
123942660,0sleep30-21swapper/311:36:353
15726992017,2cyclictest18609-21kworker/u8:209:42:052
1572599200,18cyclictest0-21swapper/111:55:111
39222190,0sleep10-21swapper/110:55:001
1572799190,18cyclictest0-21swapper/311:55:113
15726991916,2cyclictest18987-21kworker/u8:211:49:042
15726991815,2cyclictest24457-21kworker/u8:012:07:052
15726991815,2cyclictest15271-21kworker/u8:210:41:052
15725991813,3cyclictest29023-21taskset09:40:111
15725991813,3cyclictest13326-21iostat10:30:151
1572599181,15cyclictest0-21swapper/112:30:141
1572599180,16cyclictest0-21swapper/110:35:101
15726991714,2cyclictest593-21kworker/u8:010:19:052
1572699171,14cyclictest25861-21apt-get07:35:012
1572599171,14cyclictest9400-21grep08:10:501
15727991611,3cyclictest7648-21sh09:50:373
1572799161,13cyclictest0-21swapper/309:30:133
1572799160,14cyclictest16997-21ssh09:26:473
1572699161,3cyclictest19693-21seq10:03:412
15726991613,2cyclictest5312-21kworker/u8:212:39:052
15726991613,2cyclictest5312-21kworker/u8:212:30:052
15726991613,2cyclictest32489-21kworker/u8:211:36:052
15726991613,2cyclictest32489-21kworker/u8:211:32:052
15726991613,2cyclictest32489-21kworker/u8:211:32:042
15726991613,2cyclictest30388-21kworker/u8:009:13:042
15726991613,2cyclictest13673-21kworker/u8:008:29:052
1572699161,13cyclictest28319-21ssh10:12:102
1572699161,13cyclictest0-21swapper/210:50:282
1572699160,3cyclictest0-21swapper/210:29:212
1572799151,3cyclictest23736-21ssh12:22:423
1572799151,2cyclictest4864-21ssh12:36:383
15727991511,2cyclictest5971-21apt-get12:05:063
1572799151,12cyclictest0-21swapper/310:16:453
15727991510,3cyclictest626-21iostat09:10:163
15727991510,3cyclictest32685-21diskstats07:50:133
1572799150,3cyclictest27934-21ssh12:26:473
1572799150,3cyclictest22974-21taskset10:06:173
1572799150,13cyclictest2185-21ssh10:52:273
1572799150,13cyclictest0-21swapper/311:50:153
15726991512,2cyclictest7601-21kworker/u8:109:24:052
15726991512,2cyclictest7601-21kworker/u8:108:58:052
15726991512,2cyclictest7601-21kworker/u8:108:48:052
15726991512,2cyclictest27314-21kworker/u8:111:54:042
15726991512,2cyclictest13673-21kworker/u8:008:22:052
1572699151,12cyclictest0-21swapper/207:25:002
1572699150,3cyclictest25906-21date07:34:592
1572699150,13cyclictest19540-21munin-node2
1572599151,12cyclictest19098-21python07:15:511
15725991510,3cyclictest0-21swapper/110:10:331
1572599150,3cyclictest0-21swapper/112:25:151
1572599150,3cyclictest0-21swapper/112:15:151
1572599150,3cyclictest0-21swapper/109:35:121
1572599150,13cyclictest0-21swapper/111:30:131
1572599150,13cyclictest0-21swapper/111:30:131
1572499150,13cyclictest0-21swapper/008:30:110
226562141,3sleep322666-21ssh11:14:263
1572799149,3cyclictest19033-21ssh10:02:403
1572799141,2cyclictest32054-21diskmemload09:19:243
15727991412,1cyclictest0-21swapper/307:25:173
15727991411,2cyclictest0-21swapper/310:28:473
15727991410,2cyclictest0-21swapper/309:40:133
1572799140,2cyclictest0-21swapper/312:30:163
1572799140,13cyclictest0-21swapper/307:35:173
1572799140,12cyclictest0-21swapper/311:25:133
1572799140,12cyclictest0-21swapper/310:42:093
1572799140,12cyclictest0-21swapper/309:38:313
15726991411,2cyclictest7601-21kworker/u8:108:41:042
15726991411,2cyclictest32388-21kworker/u8:107:55:042
15726991411,2cyclictest27590-21kworker/u8:207:46:052
15726991411,2cyclictest25257-21kworker/u8:109:37:042
15726991411,2cyclictest2404-21kworker/u8:110:24:042
15726991411,2cyclictest12035-21kworker/u8:207:18:052
15726991410,3cyclictest4324-21ssh12:02:262
1572699140,2cyclictest0-21swapper/208:35:162
1572599142,6cyclictest0-21swapper/109:24:591
15725991410,2cyclictest0-21swapper/108:05:111
1572599140,3cyclictest22563-21smartctl07:25:161
1572599140,3cyclictest1002-21ssh10:17:421
1572599140,2cyclictest0-21swapper/111:37:451
1572599140,13cyclictest0-21swapper/109:12:351
1572599140,12cyclictest0-21swapper/112:05:031
1572599140,12cyclictest0-21swapper/111:45:361
1572599140,12cyclictest0-21swapper/110:05:151
15724991411,2cyclictest30388-21kworker/u8:009:10:050
15724991411,2cyclictest0-21swapper/009:15:120
15724991410,2cyclictest29326-21aten2.4_r3power11:55:120
1572499140,2cyclictest0-21swapper/010:39:590
1572499140,12cyclictest26371-21iostat_ios10:10:140
1572499140,12cyclictest24345-21aten2.4_r3power09:35:120
1572499140,12cyclictest20118-21ssh12:19:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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