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2026-01-22 - 15:45
[ 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 #5, slot #4

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
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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack5slot4s.osadl.org (updated Thu Jan 22, 2026 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278312123110,2sleep3471rcuc/309:40:153
289123221710,3sleep0201rcuc/011:44:590
28361612780,2sleep3653-21kworker/3:2-events10:40:383
27202922780,2sleep3471rcuc/308:40:053
2631012997267,3cyclictest2885687-21kworker/u8:0+events_unbound12:20:011
26561642680,3sleep00-21swapper/007:35:050
2631016996860,6cyclictest2644032-21cat07:25:012
2631012996256,4cyclictest2909348-21kworker/u8:3+events_unbound12:30:131
2631012995944,5cyclictest2679351-21kworker/u8:0+flush-8:008:25:051
2631012995747,7cyclictest286-21systemd-journal07:35:001
2631012995650,5cyclictest2477289-21kworker/u8:1+flush-8:007:45:141
2631012995550,4cyclictest2808782-21kworker/u8:0+flush-8:010:35:021
2631012995550,4cyclictest2808782-21kworker/u8:0+flush-8:010:35:021
2631012995550,4cyclictest2679351-21kworker/u8:0+events_unbound09:29:591
2631010995545,7cyclictest286-21systemd-journal08:55:000
2631012995448,5cyclictest2679351-21kworker/u8:0+flush-8:009:30:101
2631012995447,5cyclictest286-21systemd-journal12:00:001
2631012995348,3cyclictest2610391-21kworker/u8:0+events_unbound07:10:161
2631012995344,7cyclictest2809632-21cat10:15:001
2631012995247,4cyclictest2754087-21kworker/u8:1+events_unbound10:10:001
2631010995248,3cyclictest2679351-21kworker/u8:0+flush-8:009:15:010
2631012995143,6cyclictest2880613-21kworker/u8:2+flush-8:011:50:111
2631010995147,3cyclictest2835268-21kworker/u8:2+flush-8:010:42:510
2631010995143,6cyclictest2477289-21kworker/u8:1+flush-8:007:55:020
2631012995045,4cyclictest2679351-21kworker/u8:0+flush-8:008:30:141
2631012995045,4cyclictest2679351-21kworker/u8:0+flush-8:008:30:141
2631012995045,3cyclictest2880613-21kworker/u8:2+flush-8:011:35:081
2631012995042,7cyclictest2642602-21kworker/u8:2+events_unbound07:20:141
2631012994943,4cyclictest2835268-21kworker/u8:2+flush-8:011:00:091
2631012994939,7cyclictest2814614-21latency_hist10:20:011
2631010994939,8cyclictest286-21systemd-journal12:20:000
27663742480,6chrt0-21swapper/209:25:062
2631016994840,6cyclictest2819743-21apt-get10:25:002
2631012994843,4cyclictest2885687-21kworker/u8:0+flush-8:011:45:061
2631012994841,5cyclictest2835268-21kworker/u8:2+events_unbound11:10:001
2631010994842,3cyclictest2835268-21kworker/u8:2+flush-8:011:10:010
2631016994741,4cyclictest2642602-21kworker/u8:2+flush-8:008:15:132
2631012994742,3cyclictest2754087-21kworker/u8:1+events_unbound10:00:041
2631012994740,6cyclictest2855649-21kworker/u8:0+flush-8:011:15:171
2631012994737,7cyclictest2729320-21latency_hist08:50:011
2631012994642,3cyclictest2808782-21kworker/u8:0+events_unbound10:20:041
2631012994641,4cyclictest2642602-21kworker/u8:2+flush-8:007:35:101
2631012994639,5cyclictest2885687-21kworker/u8:0+flush-8:012:05:111
263101099460,44cyclictest1-21systemd07:25:010
2631012994540,3cyclictest2835268-21kworker/u8:2+flush-8:010:40:381
2631012994539,4cyclictest2788897-21kworker/u8:3+flush-8:010:25:041
2631012994539,4cyclictest2477289-21kworker/u8:1+flush-8:008:40:151
2631012994538,5cyclictest2642602-21kworker/u8:2+flush-8:009:10:021
2631012994538,5cyclictest2642602-21kworker/u8:2+flush-8:008:05:171
2631012994535,7cyclictest286-21systemd-journal11:30:001
2631012994438,4cyclictest2754087-21kworker/u8:1+events_unbound09:59:581
2631012994437,4cyclictest2855649-21kworker/u8:0+flush-8:011:30:061
2631012994435,6cyclictest2947120-21latency_hist12:40:011
2631010994437,5cyclictest2790510-21cut09:55:060
2631012994339,3cyclictest2885687-21kworker/u8:0+flush-8:011:40:051
2631010994337,4cyclictest2679351-21kworker/u8:0+flush-8:009:35:000
2631010994335,6cyclictest286-21systemd-journal07:35:010
2631012994236,4cyclictest2679351-21kworker/u8:0+flush-8:009:15:091
2631012994235,5cyclictest2679351-21kworker/u8:0+flush-8:008:20:101
2631016994133,6cyclictest286-21systemd-journal10:10:002
2631016994133,6cyclictest286-21systemd-journal08:55:002
2631012994136,3cyclictest2642602-21kworker/u8:2+flush-8:008:55:041
2631012994134,5cyclictest2679351-21kworker/u8:0+flush-8:009:35:161
2631016994032,6cyclictest2674106-21apt-get07:54:592
2631012994034,4cyclictest2762774-21kworker/u8:3+flush-8:009:20:151
2631010994035,3cyclictest2855649-21kworker/u8:0+events_unbound11:20:010
2631010994034,4cyclictest2477289-21kworker/u8:1+events_unbound08:00:040
2631010994033,5cyclictest2808782-21kworker/u8:0+flush-8:010:15:110
2631010994033,5cyclictest2642602-21kworker/u8:2+flush-8:008:45:100
2631012993935,3cyclictest2830045-21kworker/u8:1+events_unbound10:50:371
2631012993935,3cyclictest2642602-21kworker/u8:2+events_unbound08:10:121
2631012993934,4cyclictest2610391-21kworker/u8:0+events_unbound07:15:031
2631012993933,4cyclictest2477289-21kworker/u8:1+events_unbound08:55:021
2631012993932,5cyclictest2885687-21kworker/u8:0+flush-8:012:25:061
2631012993930,6cyclictest2744011-21latency_hist09:05:011
2631010993933,4cyclictest2699220-21apt-get08:19:550
2631010993932,5cyclictest2477289-21kworker/u8:1+events_unbound09:00:010
2631010993932,5cyclictest2477289-21kworker/u8:1+events_unbound07:45:000
26302262394,9sleep10-21swapper/107:07:141
2631012993833,3cyclictest2885687-21kworker/u8:0+events_unbound12:00:031
2631012993832,4cyclictest2679351-21kworker/u8:0+events_unbound08:35:051
2631012993832,4cyclictest2679351-21kworker/u8:0+events_unbound08:35:041
2631012993830,6cyclictest2840571-21apt-get10:49:561
2631010993831,4cyclictest2885687-21kworker/u8:0+flush-8:012:00:010
263101099380,36cyclictest1-21systemd12:10:000
2631012993732,4cyclictest2477289-21kworker/u8:1+flush-8:007:55:111
2631012993732,3cyclictest2679351-21kworker/u8:0+events_unbound08:17:031
2631012993726,8cyclictest2931940-21latency_hist12:25:011
263101299371,32cyclictest2830066-21munin-run10:35:011
2631016993631,4cyclictest2642602-21kworker/u8:2+flush-8:008:25:102
2631016993628,6cyclictest286-21systemd-journal09:10:012
2631016993626,8cyclictest286-21systemd-journal08:10:002
2631012993631,3cyclictest2909348-21kworker/u8:3+events_unbound12:10:051
2631012993629,5cyclictest2830045-21kworker/u8:1+events_unbound10:59:541
2631010993632,3cyclictest2754087-21kworker/u8:1+flush-8:009:40:150
2631010993629,5cyclictest286-21systemd-journal10:05:160
2631010993625,9cyclictest2829977-21apt-get10:35:010
2631016993526,7cyclictest2684581-21cat08:05:022
2631012993529,5cyclictest2642602-21kworker/u8:2+flush-8:007:50:101
2631012993526,6cyclictest2788657-21latency_hist09:50:011
2631010993529,4cyclictest2642602-21kworker/u8:2+flush-8:007:25:110
2631010993528,5cyclictest286-21systemd-journal09:45:140
2631010993528,5cyclictest2719283-21latency_hist08:40:000
2631010993528,5cyclictest2719283-21latency_hist08:40:000
2631012993431,2cyclictest2642602-21kworker/u8:2+events_unbound07:28:401
2631012993429,4cyclictest2855649-21kworker/u8:0+events_unbound11:20:031
2631012993429,4cyclictest2830045-21kworker/u8:1+flush-8:011:10:111
2631012993427,6cyclictest2477289-21kworker/u8:1+flush-8:008:00:121
2631010993429,4cyclictest2835268-21kworker/u8:2+flush-8:010:52:550
2631016993328,3cyclictest2855649-21kworker/u8:0+events_unbound11:25:132
2631010993328,4cyclictest2642602-21kworker/u8:2+flush-8:007:45:530
2631010993327,4cyclictest2819736-21cron10:25:000
2631010993325,7cyclictest2880613-21kworker/u8:2+flush-8:011:50:160
2631010993321,10cyclictest2851461-21fschecks_time11:05:000
2631016993226,4cyclictest2830045-21kworker/u8:1+flush-8:010:50:392
2631016993223,6cyclictest2664175-21base6407:45:012
2631012993227,3cyclictest2664515-21cat07:45:011
2631010993227,4cyclictest2885687-21kworker/u8:0+flush-8:012:25:140
2631016993126,4cyclictest2754087-21kworker/u8:1+flush-8:009:15:132
2631012993123,6cyclictest2754087-21kworker/u8:1+events_unbound09:40:111
2631012993118,9cyclictest286-21systemd-journal09:53:211
2631010993127,3cyclictest2939233-21kworker/u8:2+events_unbound12:40:000
2631010993126,4cyclictest2754087-21kworker/u8:1+events_unbound10:00:020
2631010993126,4cyclictest2679351-21kworker/u8:0+flush-8:008:21:570
2631010993126,3cyclictest2824968-21fschecks_time10:30:010
2631010993125,4cyclictest2909348-21kworker/u8:3+flush-8:012:30:150
2631010993125,4cyclictest2610391-21kworker/u8:0+flush-8:007:11:480
2631016993027,2cyclictest2830045-21kworker/u8:1+events_unbound10:45:072
2631016993026,3cyclictest2808782-21kworker/u8:0+events_unbound10:30:152
2631016993024,4cyclictest2642602-21kworker/u8:2+flush-8:008:55:182
2631016993023,5cyclictest450-21dbus-daemon10:00:012
2631010993026,2cyclictest0-21swapper/007:20:010
2631010993022,6cyclictest2911405-21latency_hist12:05:010
2631016992924,4cyclictest2809516-21munin-run10:15:002
2631016992924,4cyclictest2477289-21kworker/u8:1+flush-8:007:45:132
2631010992924,4cyclictest2788897-21kworker/u8:3+flush-8:010:36:520
2631010992924,4cyclictest2788897-21kworker/u8:3+flush-8:010:36:520
2631010992924,4cyclictest2788897-21kworker/u8:3+flush-8:010:15:000
2631010992923,4cyclictest869-21mta-sts-daemon08:10:030
2631010992923,4cyclictest2642602-21kworker/u8:2+flush-8:009:05:020
263101099292,26cyclictest2709398-21kworker/0:2+events09:20:000
263101099291,26cyclictest2789510-21turbostat.cron09:55:000
2631016992823,3cyclictest2866374-21fschecks_time11:20:002
2631016992823,3cyclictest2830045-21kworker/u8:1+flush-8:010:59:562
263101099283,24cyclictest2709398-21kworker/0:2+events09:20:060
2631010992824,3cyclictest2642602-21kworker/u8:2+flush-8:007:53:570
2631010992823,3cyclictest2830045-21kworker/u8:1+flush-8:011:00:010
2631010992822,4cyclictest2642602-21kworker/u8:2+events_unbound08:45:000
2631010992820,6cyclictest2932124-21cp12:25:000
2631016992723,3cyclictest2835268-21kworker/u8:2+flush-8:011:05:142
2631016992723,2cyclictest2653814-21aten2_r5power_v07:34:582
263101699272,18cyclictest2799247-21apt-get10:04:582
2631010992723,3cyclictest2855649-21kworker/u8:0+flush-8:011:30:150
2631010992720,5cyclictest2642602-21kworker/u8:2+events_unbound08:05:120
263101099270,24cyclictest2861580-21cut11:15:010
2631016992622,2cyclictest2789324-21aten2_r5power_c09:54:592
2631016992621,4cyclictest2855649-21kworker/u8:0+flush-8:011:20:162
2631016992621,4cyclictest2808782-21kworker/u8:0+flush-8:010:35:062
2631016992621,4cyclictest2808782-21kworker/u8:0+flush-8:010:35:062
2631016992619,5cyclictest286-21systemd-journal11:55:002
2631016992617,7cyclictest2704175-21apt-get08:24:562
2631012992622,2cyclictest2746185-21kthreadcore09:05:071
2631010992622,3cyclictest2840643-21systemd-run10:50:010
2631010992622,2cyclictest0-21swapper/009:30:000
2631010992617,7cyclictest2871300-21fschecks_count11:25:000
2631016992521,2cyclictest2886772-21irqcore11:40:052
2631016992521,2cyclictest2728994-21aten2_r5power_e08:49:572
2631016992520,4cyclictest2835268-21kworker/u8:2+events_unbound11:10:102
2631016992520,4cyclictest2679351-21kworker/u8:0+flush-8:008:35:172
2631016992520,4cyclictest2679351-21kworker/u8:0+flush-8:008:35:172
2631016992520,3cyclictest2851618-21latency_hist11:05:012
2631016992520,3cyclictest2824066-21unixbench_multi10:25:152
2631010992522,2cyclictest2679351-21kworker/u8:0+events_unbound09:35:100
2631010992521,2cyclictest899-21mta-sts-daemon11:26:440
2631010992520,3cyclictest2708133-21ntpq08:25:090
2631010992519,4cyclictest2885687-21kworker/u8:0+events_unbound12:10:110
2631010992519,4cyclictest2744010-21turbostat.cron09:05:000
263101699242,21cyclictest0-21swapper/212:24:512
263101699242,21cyclictest0-21swapper/212:10:462
263101699242,21cyclictest0-21swapper/212:05:182
263101699242,21cyclictest0-21swapper/209:47:412
263101699242,21cyclictest0-21swapper/208:41:512
263101699242,21cyclictest0-21swapper/207:10:592
2631016992421,2cyclictest0-21swapper/212:33:062
2631016992421,2cyclictest0-21swapper/212:27:102
2631016992421,2cyclictest0-21swapper/211:59:012
2631016992421,2cyclictest0-21swapper/210:42:422
2631016992421,2cyclictest0-21swapper/210:15:292
2631016992421,2cyclictest0-21swapper/209:36:242
2631016992421,2cyclictest0-21swapper/209:22:482
2631016992421,2cyclictest0-21swapper/209:03:152
2631016992421,2cyclictest0-21swapper/208:31:012
2631016992421,2cyclictest0-21swapper/208:31:012
2631016992421,2cyclictest0-21swapper/208:11:012
2631016992421,2cyclictest0-21swapper/207:37:522
2631016992421,2cyclictest0-21swapper/207:18:472
2631016992416,5cyclictest2649296-21cat07:30:002
263101699232,2cyclictest0-21swapper/209:10:432
263101699232,2cyclictest0-21swapper/207:58:342
263101699232,20cyclictest0-21swapper/211:48:262
263101699232,20cyclictest0-21swapper/209:34:052
263101699232,1cyclictest0-21swapper/211:35:012
263101699232,19cyclictest0-21swapper/212:35:122
2631016992320,2cyclictest0-21swapper/212:15:252
2631016992320,2cyclictest0-21swapper/212:00:252
2631016992318,4cyclictest2754087-21kworker/u8:1+flush-8:009:40:092
2631010992316,5cyclictest0-21swapper/011:40:000
28563142220,3sleep3471rcuc/311:09:593
263101699222,2cyclictest0-21swapper/211:35:122
263101099228,11cyclictest2894053-21grep11:45:060
263101099222,1cyclictest0-21swapper/008:30:170
263101099222,1cyclictest0-21swapper/008:30:170
26300682214,10sleep20-21swapper/207:05:182
26295512191,10sleep02629584-21ntp_states07:05:120
27943052180,3sleep3451irq_work/309:59:573
26838392182,5sleep30-21swapper/308:02:343
26301132183,9sleep30-21swapper/307:05:483
26380722172,12sleep30-21swapper/307:15:123
27685932152,8sleep30-21swapper/309:29:573
28971522144,6sleep30-21swapper/311:50:053
27439912142,7sleep30-21swapper/309:05:013
29418182132,7sleep30-21swapper/312:34:553
29271842132,6sleep30-21swapper/312:20:023
28766042132,6sleep30-21swapper/311:30:023
28604072132,7sleep30-21swapper/311:10:163
28450142132,7sleep30-21swapper/310:52:273
28145222132,7sleep30-21swapper/310:20:013
27893802132,7sleep30-21swapper/309:55:013
27536482132,7sleep30-21swapper/309:14:563
27041492132,7sleep30-21swapper/308:24:573
26895072132,7sleep30-21swapper/308:10:003
26611262130,4sleep3481ktimers/307:40:063
26439662132,6sleep30-21swapper/307:25:023
29468252123,6sleep30-21swapper/312:39:563
29372292122,5sleep30-21swapper/312:30:013
28854512122,6sleep30-21swapper/311:35:163
28725182122,6sleep30-21swapper/311:25:053
28613852122,5sleep30-21swapper/311:15:023
28476632122,6sleep30-21swapper/311:00:013
28236182122,6sleep30-21swapper/310:25:103
28186772123,5sleep30-21swapper/310:20:173
28088502122,6sleep30-21swapper/310:11:223
28035102122,6sleep30-21swapper/310:05:163
27993072122,6sleep30-21swapper/310:05:003
27837992122,6sleep30-21swapper/309:45:023
27627012122,6sleep30-21swapper/309:20:103
27575722122,6sleep30-21swapper/309:15:083
27444992122,6sleep30-21swapper/309:05:053
27357002122,6sleep30-21swapper/308:55:063
27282072120,2chrt653-21kworker/3:2+events08:45:143
27180852122,7sleep30-21swapper/308:35:123
27180852122,7sleep30-21swapper/308:35:123
27114732122,6sleep30-21swapper/308:30:073
27114732122,6sleep30-21swapper/308:30:063
26947422122,6sleep30-21swapper/308:15:023
26903822122,6sleep30-21swapper/308:10:043
26769012122,6sleep30-21swapper/307:55:073
26587182122,6sleep30-21swapper/307:39:593
26396282122,6sleep30-21swapper/307:20:043
29204062112,5sleep30-21swapper/312:10:113
29154272112,5sleep30-21swapper/312:05:133
29102202112,5sleep30-21swapper/312:00:083
29056032112,6sleep30-21swapper/311:55:143
28939902112,5sleep30-21swapper/311:45:073
28902962112,5sleep30-21swapper/311:40:173
28707642112,6sleep30-21swapper/311:21:443
28501422112,5sleep30-21swapper/311:00:053
28403462112,5sleep30-21swapper/310:47:213
28336882112,5sleep30-21swapper/310:35:093
28336882112,5sleep30-21swapper/310:35:093
28290582112,5sleep30-21swapper/310:30:163
27783672112,5sleep30-21swapper/309:38:153
27736032112,5sleep30-21swapper/309:34:583
27337092112,6sleep30-21swapper/308:53:133
27089562112,5sleep30-21swapper/308:28:183
26695222112,6sleep30-21swapper/307:50:023
26678572112,5sleep30-21swapper/307:45:083
26496542112,5sleep30-21swapper/307:30:033
26318612112,5sleep30-21swapper/307:10:053
29231592100,6sleep30-21swapper/312:15:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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