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2026-02-08 - 09:24
[ 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 #1, 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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  Intel
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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 rack1slot6s.osadl.org (updated Sun Feb 08, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991100,5rtkit-daemon2484-21rtkit-daemon21:31:422
2485991100,5rtkit-daemon2484-21rtkit-daemon21:31:422
2485991070,4rtkit-daemon2484-21rtkit-daemon19:30:173
57279910337,10cyclictest2838-21awk23:36:241
5729991004,73cyclictest0-21swapper/323:26:383
2485991000,8rtkit-daemon0-21swapper/021:05:580
5729999320,66cyclictest20450-21unixbench_multi23:11:593
5729999223,46cyclictest0-21swapper/321:51:403
248599920,6rtkit-daemon0-21swapper/021:08:130
5729999118,10cyclictest25646-21rm23:21:383
248599910,4rtkit-daemon2484-21rtkit-daemon23:14:162
572999904,62cyclictest0-21swapper/321:36:543
572999895,74cyclictest7054-21unixbench_multi22:51:593
572999895,74cyclictest7054-21unixbench_multi22:51:593
572999894,64cyclictest0-21swapper/322:38:353
572999894,61cyclictest0-21swapper/321:46:453
572999894,13cyclictest0-21swapper/323:40:273
572999894,13cyclictest0-21swapper/323:40:273
5729998918,52cyclictest121850irq/46-eth022:31:423
572999885,12cyclictest31627-21cut22:41:463
572999884,25cyclictest0-21swapper/322:31:143
118252880,3sleep1201ktimersoftd/121:23:361
572999875,75cyclictest9513-21crond23:46:243
572999875,13cyclictest1719-21memory21:56:523
572999874,61cyclictest0-21swapper/322:10:403
5729998721,47cyclictest0-21swapper/318:42:103
572999867,10cyclictest121850irq/46-eth022:22:013
572999865,74cyclictest0-21swapper/323:08:453
572999865,13cyclictest0-21swapper/322:46:483
572999864,61cyclictest0-21swapper/318:51:473
572999864,60cyclictest0-21swapper/321:28:393
572999864,22cyclictest0-21swapper/322:19:263
572999864,21cyclictest0-21swapper/320:22:013
572999864,17cyclictest0-21swapper/320:44:143
572999864,12cyclictest9610-21processes20:31:593
5729998611,12cyclictest0-21swapper/320:46:563
5729998611,12cyclictest0-21swapper/320:46:563
200002860,8sleep019999-21cat21:36:450
572999855,58cyclictest0-21swapper/321:31:423
572999855,58cyclictest0-21swapper/321:31:423
572999854,66cyclictest27901-21aten2.4-expect20:11:453
572999854,60cyclictest0-21swapper/320:55:063
572999854,21cyclictest0-21swapper/322:56:353
572999854,16cyclictest1419-21runrttasks21:26:033
572999854,12cyclictest0-21swapper/323:36:243
572899852,76cyclictest0-21swapper/223:46:092
161212850,8sleep00-21swapper/018:36:540
161212850,8sleep00-21swapper/018:36:540
572999848,67cyclictest0-21swapper/320:01:453
572999848,67cyclictest0-21swapper/320:01:453
572999845,58cyclictest0-21swapper/320:26:593
572999845,16cyclictest5418-21sshd21:14:413
572999844,73cyclictest6045-21seq22:02:363
572999843,21cyclictest0-21swapper/321:10:083
5729998415,11cyclictest0-21swapper/323:04:363
5729998411,56cyclictest0-21swapper/320:36:423
572999834,58cyclictest0-21swapper/319:17:023
5729998317,11cyclictest0-21swapper/320:18:553
5729998314,12cyclictest0-21swapper/320:56:523
5729998310,17cyclictest6212-21aten2.4-expect21:16:393
5728998319,57cyclictest25346-21munin-node23:21:512
32732830,10sleep2572899cyclictest21:59:442
572999825,62cyclictest0-21swapper/322:13:233
572999825,23cyclictest0-21swapper/321:05:253
572999825,14cyclictest0-21swapper/318:16:523
572999824,71cyclictest0-21swapper/318:26:363
5729998228,48cyclictest13815-21fschecks_time18:31:543
572999814,21cyclictest0-21swapper/318:46:473
5729998127,49cyclictest1510-21unixbench_multi19:12:093
5729998127,48cyclictest22264-21sed19:57:063
5729998119,44cyclictest0-21swapper/319:22:453
5729998119,44cyclictest0-21swapper/319:22:453
5729998116,12cyclictest0-21swapper/323:20:083
572999804,68cyclictest0-21swapper/319:06:583
572999804,22cyclictest0-21swapper/321:41:413
572999804,11cyclictest1419-21runrttasks19:46:523
5729998026,48cyclictest0-21swapper/319:41:343
5729998021,50cyclictest19934-21unixbench_singl19:52:073
5729998012,12cyclictest0-21swapper/320:07:013
5729997925,48cyclictest16212-21fschecks_time18:36:543
5729997925,48cyclictest16212-21fschecks_time18:36:543
5729997920,52cyclictest12417-21unixbench_multi18:27:103
572899793,69cyclictest26264-21munin-node21:47:012
572999784,21cyclictest0-21swapper/319:02:103
5729997830,41cyclictest15159-21sed19:42:063
5729997824,46cyclictest26792-21unixbench_singl18:57:083
572899785,40cyclictest0-21swapper/222:20:302
572899782,39cyclictest0-21swapper/222:40:382
572899775,65cyclictest0-21swapper/219:18:392
572899773,67cyclictest67741ssh22:05:192
572899773,67cyclictest0-21swapper/221:19:462
572899773,66cyclictest23479-21grep18:51:542
572899773,66cyclictest0-21swapper/222:06:522
572899766,63cyclictest0-21swapper/220:48:032
572899766,63cyclictest0-21swapper/220:48:032
572899765,63cyclictest0-21swapper/220:25:072
572899763,66cyclictest0-21swapper/220:26:432
572899763,65cyclictest0-21swapper/220:19:412
572899763,65cyclictest0-21swapper/220:02:012
572899763,65cyclictest0-21swapper/220:02:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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