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2026-02-08 - 19:18
[ 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 #e, slot #3

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 rackeslot3s.osadl.org (updated Sun Feb 08, 2026 12:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20122599871,4cyclictest131rcu_preempt07:40:011
201225998519,39cyclictest227136-21sh09:53:251
201220998531,36cyclictest16850irq/134-800000009:39:470
201220998318,60cyclictest16850irq/134-800000011:47:370
201225998225,29cyclictest205577-21latency_hist08:35:021
201225998225,28cyclictest240263-21sh10:22:201
201220998020,56cyclictest286336-21ssh12:03:420
20122099784,10cyclictest3467602-21systemd-journal09:20:000
201220997824,50cyclictest269747-21ssh11:27:070
20122099777,63cyclictest311-21rs:main0
20122099772,59cyclictest292507-21ssh12:17:070
20122099771,7cyclictest225628-21latency_hist09:50:020
201220997616,56cyclictest16850irq/134-800000012:23:160
201220997615,56cyclictest16850irq/134-800000010:07:090
201220997615,56cyclictest16850irq/134-800000010:07:080
20122099752,6cyclictest245905-21latency_hist10:35:010
20122599741,37cyclictest206626-21systemd-run08:55:011
201220997430,40cyclictest48-21kcompactd011:15:150
201220997416,48cyclictest16850irq/134-800000012:09:210
201220997412,6cyclictest16850irq/134-800000010:19:340
20123599731,43cyclictest0-21swapper/310:23:513
201220997316,51cyclictest16850irq/134-800000010:47:110
201220997238,30cyclictest3467602-21systemd-journal08:55:010
201220997232,23cyclictest277483-21ssh11:44:160
201220997218,36cyclictest16850irq/134-800000010:14:520
201220997213,6cyclictest16850irq/134-800000012:13:590
20123599712,38cyclictest297179-21ssh12:27:243
20123599712,38cyclictest297179-21ssh12:27:243
201225997131,37cyclictest244885-21sh10:32:361
201220997125,30cyclictest250015-21ssh10:43:540
201220997125,29cyclictest16850irq/134-800000010:55:020
20122099711,13cyclictest243406-21ssh10:29:270
20123599702,35cyclictest249778-21ssh10:43:203
201220997022,28cyclictest274347-21ssh11:37:210
201220997018,36cyclictest223139-21ssh09:44:470
201220996924,30cyclictest283292-21ssh11:56:520
201220996924,30cyclictest283292-21ssh11:56:510
201220996924,27cyclictest240330-21ssh10:22:280
20122099691,62cyclictest229145-21ssh09:57:530
201220996914,7cyclictest16850irq/134-800000010:57:450
201225996830,34cyclictest273676-21sh11:35:321
201220996834,31cyclictest16950irq/224-800000010:05:020
201225996735,28cyclictest3467602-21systemd-journal08:20:001
201225996735,28cyclictest3467602-21systemd-journal08:20:001
201220996727,34cyclictest201227-21cat07:10:010
20122099672,14cyclictest217286-21ssh09:31:310
20122599661,33cyclictest266917-21ssh11:20:461
201220996620,41cyclictest3467602-21systemd-journal07:54:260
201235996526,36cyclictest204033-21latency_hist08:05:023
20123599652,59cyclictest1-21systemd07:40:003
20123599651,58cyclictest209609-21grep09:15:003
201220996518,31cyclictest257750-21ssh11:00:320
201235996423,37cyclictest205297-21sshd08:26:153
20123199641,3cyclictest0-21swapper/207:50:022
201225996425,34cyclictest207409-21diskmemload11:29:041
20122099643,5cyclictest3467602-21systemd-journal11:08:580
20122099642,57cyclictest1-21systemd10:40:000
20122099642,57cyclictest1-21systemd10:40:000
20122099641,59cyclictest0-21swapper/007:15:010
20123599631,58cyclictest210684-21ssh09:17:133
201225996324,35cyclictest202123-21sed07:25:011
201225996323,36cyclictest23-21ksoftirqd/111:42:111
20122599631,57cyclictest284197-21ssh11:59:121
20122599631,57cyclictest284197-21ssh11:59:111
201220996321,36cyclictest275-21dbus-daemon07:20:010
20122099631,58cyclictest0-21swapper/012:31:050
201235996221,37cyclictest37-21ksoftirqd/310:09:273
201235996221,37cyclictest37-21ksoftirqd/310:09:273
201225996227,32cyclictest238889-21sh10:19:311
201225996223,35cyclictest201579-21latency_hist07:15:021
20122599621,57cyclictest217666-21ssh09:32:251
201220996226,31cyclictest202847-21cat07:40:010
201235996120,36cyclictest284810-21latency_hist12:00:033
20123599611,56cyclictest244619-21ssh10:31:483
20122599611,56cyclictest234950-21ssh10:10:171
20122599611,31cyclictest207409-21diskmemload12:06:361
201220996114,42cyclictest16850irq/134-800000011:30:470
201220996113,44cyclictest266734-21rm11:20:210
20123599601,55cyclictest212229-21ssh09:20:153
201225996031,25cyclictest248970-21sh10:41:131
201225996022,35cyclictest23-21ksoftirqd/109:22:421
20122599601,55cyclictest232779-21ssh10:05:431
20122599601,55cyclictest232779-21ssh10:05:421
201220996021,34cyclictest205821-21cron08:39:590
20122099602,10cyclictest275-21dbus-daemon11:15:010
20122099601,55cyclictest0-21swapper/009:20:050
20122099601,54cyclictest215843-21ssh09:28:400
20123599591,55cyclictest276801-21ssh11:42:413
20123599591,54cyclictest262961-21ssh11:12:153
20123599591,54cyclictest242484-21ssh10:27:063
20123599591,54cyclictest231032-21ssh10:01:593
201231995949,6cyclictest200812-21kworker/2:210:20:532
201231995946,6cyclictest209641-21kworker/2:109:40:012
20122599591,54cyclictest300246-21ssh12:34:191
20122599591,54cyclictest296624-21ssh12:26:061
20122599591,54cyclictest296624-21ssh12:26:051
20122599591,54cyclictest251479-21ssh10:46:501
20122599591,53cyclictest258309-21ssh11:01:531
201220995935,21cyclictest16850irq/134-800000009:12:560
20122099592,7cyclictest48-21kcompactd012:25:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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