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2026-02-08 - 12:11
[ 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 #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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  TQ-Systems
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot3s.osadl.org (updated Sun Feb 08, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
671139212551,69sleep30-21swapper/319:08:263
66629829059,10sleep20-21swapper/219:05:092
67116228253,20sleep10-21swapper/119:08:451
67116127556,14sleep00-21swapper/019:08:440
67138499271,20cyclictest676575-21taskset19:14:553
671384992623,1cyclictest0-21swapper/322:00:003
8210522251,17sleep1821203-21ntpq21:20:201
671384992420,2cyclictest0-21swapper/322:00:333
671384992420,2cyclictest0-21swapper/300:20:013
671384992419,3cyclictest0-21swapper/323:25:183
671384992419,2cyclictest0-21swapper/322:40:143
8233912231,10sleep0800234-21diskmemload21:22:350
671384992318,2cyclictest0-21swapper/320:45:003
8647822221,2sleep20-21swapper/221:47:192
67138499222,16cyclictest899791-21turbostat22:09:593
671384992219,1cyclictest0-21swapper/321:15:263
671384992218,2cyclictest0-21swapper/321:10:163
10532692221,16sleep11053782-21cut23:40:181
102065222211,2sleep2171rcu_preempt23:20:222
67138499219,8cyclictest930020-21taskset22:25:273
67138499219,8cyclictest1088753-21taskset00:02:113
67138499211,7cyclictest817112-21taskset21:20:123
671384992117,2cyclictest0-21swapper/323:50:093
671384992117,2cyclictest0-21swapper/300:25:163
67138499211,16cyclictest921534-21chrt22:20:333
67138499211,15cyclictest831950-21chrt21:27:533
67138499211,15cyclictest831950-21chrt21:27:533
67138499211,15cyclictest784762-21chrt20:55:103
67138499202,13cyclictest941672-21taskset22:35:133
67138499202,12cyclictest938271-21taskset22:30:273
671384992017,1cyclictest0-21swapper/319:20:003
671384992017,1cyclictest0-21swapper/300:10:143
671384992016,2cyclictest0-21swapper/300:30:263
67138499201,15cyclictest1047579-21taskset23:37:193
67138499201,15cyclictest0-21swapper/323:40:113
67138499201,13cyclictest0-21swapper/300:08:553
113864422010,6sleep11138658-21ssh00:32:101
67138499198,7cyclictest1007753-21taskset23:15:063
67138499194,12cyclictest67150irq/132-enp1s0-TxRx-323:21:413
67138499192,12cyclictest998971-21taskset23:09:333
671384991916,1cyclictest0-21swapper/322:55:133
671384991916,1cyclictest0-21swapper/320:20:143
671384991915,2cyclictest0-21swapper/322:50:113
671384991914,2cyclictest0-21swapper/323:58:323
67138499191,15cyclictest0-21swapper/322:12:213
67138499191,14cyclictest872487-21chrt21:51:183
67138499191,14cyclictest864596-21chrt21:47:023
67138499191,14cyclictest1038224-21chrt23:30:443
67138499191,14cyclictest0-21swapper/323:11:493
67138499191,14cyclictest0-21swapper/300:20:103
67138499191,13cyclictest0-21swapper/319:50:113
67138499191,12cyclictest834393-21taskset21:30:143
67138499191,11cyclictest913624-21chrt22:16:083
67138499190,2cyclictest0-21swapper/321:37:263
9054862181,3sleep10-21swapper/122:11:221
8002232181,5sleep0800229-21cron21:09:590
7240072181,4sleep1725113-21memory19:55:181
67138499185,9cyclictest689120-21sleep19:25:003
67138499185,9cyclictest689120-21sleep19:25:003
67138499183,12cyclictest0-21swapper/323:45:053
67138499182,12cyclictest855324-21taskset21:40:363
671384991815,2cyclictest0-21swapper/323:02:423
671384991814,2cyclictest0-21swapper/320:45:243
671384991813,3cyclictest0-21swapper/322:45:213
9901452171,3sleep20-21swapper/223:03:342
8812972171,3sleep00-21swapper/021:57:140
8655632171,4sleep1800234-21diskmemload21:48:261
8542972171,4sleep0800234-21diskmemload21:40:180
8492372171,4sleep2800234-21diskmemload21:38:532
67138499177,8cyclictest742073-21turbostat20:19:553
671384991714,1cyclictest0-21swapper/300:35:173
671384991713,2cyclictest0-21swapper/320:00:143
67138499171,12cyclictest0-21swapper/320:05:133
67138499171,10cyclictest710495-21taskset19:44:173
67138499170,14cyclictest0-21swapper/321:00:253
10884592170,7sleep20-21swapper/200:01:472
10640222171,4sleep1800234-21diskmemload23:47:271
10565982171,3sleep20-21swapper/223:43:272
9489252161,4sleep2800234-21diskmemload22:39:182
9481812161,2sleep10-21swapper/122:38:131
9380952161,3sleep20-21swapper/222:30:272
8573062160,3sleep20-21swapper/221:43:292
8367022162,7sleep1837744-21memory21:30:171
8320162161,2sleep10-21swapper/121:28:011
8320162161,2sleep10-21swapper/121:28:001
8228052161,3sleep20-21swapper/221:21:442
6904552161,10sleep1692190-21tr19:25:161
67138499163,6cyclictest721268-21taskset19:55:083
67138499161,9cyclictest694631-21chrt19:30:063
67138499161,12cyclictest0-21swapper/320:10:203
67138499160,13cyclictest0-21swapper/320:30:133
67138499160,13cyclictest0-21swapper/320:25:213
11461102161,10sleep01146120-21ssh00:36:050
10901362161,10sleep11090147-21ssh00:04:111
10887982161,9sleep0800234-21diskmemload00:02:180
10736222161,3sleep10-21swapper/123:54:331
9889102151,2sleep10-21swapper/123:01:371
9710302150,1sleep00-21swapper/022:50:220
9573162150,1sleep20-21swapper/222:44:182
9236392151,2sleep20-21swapper/222:23:422
9149172151,9sleep2800234-21diskmemload22:17:572
9144462150,7sleep0914459-21diskmemload22:17:180
9055202151,3sleep0800234-21diskmemload22:11:250
8640662151,9sleep0800234-21diskmemload21:46:150
8134102151,9sleep1813610-21timerwakeupswit21:15:261
7055532151,9sleep1705808-21df19:40:111
67138499151,9cyclictest711117-21taskset19:45:143
671384991512,1cyclictest0-21swapper/321:05:163
671384991511,2cyclictest0-21swapper/320:50:133
67138499150,13cyclictest0-21swapper/320:35:173
11038882155,6sleep11104145-21unixbench_singl00:10:241
10480702151,9sleep0800234-21diskmemload23:38:080
10404692151,3sleep1800234-21diskmemload23:34:081
10159902150,3sleep10-21swapper/123:20:011
10136652150,1sleep20-21swapper/223:16:542
9888082141,9sleep0988819-21ssh23:01:280
9316162141,9sleep1931627-21ssh22:27:471
9238062147,4sleep00-21swapper/022:23:560
8903862141,3sleep1890398-21ssh22:03:241
8897852141,9sleep0889798-21sh22:02:310
8727532141,8sleep2872763-21ssh21:51:432
8417652141,8sleep0800234-21diskmemload21:35:010
7695202141,8sleep2769574-21kthreadcore20:40:162
6899062141,9sleep0690454-21kthreadcore19:25:150
67138499141,9cyclictest700204-21taskset19:35:043
671384991411,1cyclictest0-21swapper/319:25:163
11485522141,9sleep11148567-21ssh00:39:431
11401602141,8sleep01140170-21ssh00:34:290
11212882140,9sleep2800234-21diskmemload00:20:512
11141852141,9sleep11114195-21ssh00:17:581
10976652140,2sleep20-21swapper/200:08:012
10810822141,8sleep0800234-21diskmemload23:58:200
10800202141,2sleep20-21swapper/223:56:502
10585692140,3sleep21058594-21kthreadcore23:45:172
10476022140,2sleep10-21swapper/123:37:211
10219532141,3sleep01021963-21ssh23:21:290
10084332141,9sleep11009386-21cut23:15:161
9721172131,8sleep2972127-21ssh22:51:162
8426562131,8sleep1842076-21/usr/sbin/munin21:35:151
8308772131,7sleep0800234-21diskmemload21:26:200
8308772131,7sleep0800234-21diskmemload21:26:190
8144032131,8sleep2814417-21ssh21:16:272
8028552131,7sleep1804521-21latency21:10:171
7595412131,2sleep20-21swapper/220:30:182
7481962131,7sleep2749162-21cut20:20:162
7423182131,7sleep1742326-21/usr/sbin/munin20:15:101
7386582130,8sleep1740456-21cut20:10:171
7147442131,7sleep0714793-21sed19:45:190
11321172131,8sleep01132128-21ssh00:29:510
11142142131,7sleep0800234-21diskmemload00:18:010
10773012131,3sleep10-21swapper/123:55:171
10568132131,8sleep0800234-21diskmemload23:43:500
10326792131,6sleep0800234-21diskmemload23:29:540
10138312131,1sleep00-21swapper/023:17:070
9821952121,5sleep20-21swapper/222:58:582
9727612121,7sleep1972774-21ssh22:52:151
9663382121,7sleep1966350-21ssh22:49:551
9593062121,7sleep0960957-21cut22:45:160
9566162121,5sleep10-21swapper/122:43:131
9564582121,5sleep0800234-21diskmemload22:43:000
9395392121,3sleep0939550-21ssh22:32:220
8924012121,7sleep0893653-21kthreadcore22:05:160
8317012121,7sleep2831712-21ssh21:27:342
8317012121,7sleep2831712-21ssh21:27:332
11328972121,7sleep21132942-21fschecks_count00:30:152
10416222125,3sleep2431ktimers/223:35:142
10331512121,7sleep21033167-21cpu23:30:122
10322952121,7sleep11032309-21ssh23:29:191
10301992120,2sleep20-21swapper/223:26:042
10058762121,7sleep01005890-21ssh23:12:340
9987102111,4sleep1800234-21diskmemload23:09:111
9807422110,2sleep0171rcu_preempt22:56:510
9755572111,6sleep1976089-21kthreadcore22:55:161
9318582111,5sleep20-21swapper/222:28:082
9243462111,3sleep10-21swapper/122:24:411
9158422111,6sleep1800234-21diskmemload22:19:211
8995912111,3sleep10-21swapper/122:09:471
8980112111,4sleep2800234-21diskmemload22:07:312
8802322111,7sleep20-21swapper/221:55:322
8752942111,4sleep1800234-21diskmemload21:55:071
8724512111,3sleep072-21kcompactd021:51:160
8576772110,1sleep10-21swapper/121:44:041
8012542111,2sleep0800234-21diskmemload21:10:160
7675842111,5sleep2767678-21ntpq20:35:192
7222992111,6sleep0724004-21kthreadcore19:55:170
7108342111,5sleep1711086-21df19:45:121
7007322111,6sleep2700819-21kthreadcore19:35:162
11223342111,6sleep11122348-21ssh00:22:361
11067082111,4sleep2800234-21diskmemload00:14:062
11052482110,7sleep0800234-21diskmemload00:11:560
10949542111,4sleep0800234-21diskmemload00:05:180
10732652111,3sleep20-21swapper/223:54:022
10636732111,4sleep0800234-21diskmemload23:46:580
10062412111,3sleep10-21swapper/123:13:081
9995912100,1sleep20-21swapper/223:10:042
9979762101,3sleep0800234-21diskmemload23:08:050
9972882101,5sleep2997302-21ssh23:07:002
9654342101,2sleep20-21swapper/222:48:362
9407962101,3sleep1800234-21diskmemload22:34:151
9310832101,3sleep00-21swapper/022:26:560
8389002100,1sleep20-21swapper/221:30:502
8158252101,3sleep0800234-21diskmemload21:18:410
7516972101,5sleep0751769-21grep20:20:230
7423272101,4sleep2742366-21grep20:15:122
6987382101,4sleep1698786-21ntpq19:30:211
6770402101,5sleep1678579-21munin-node19:15:021
11310282101,3sleep10-21swapper/100:28:161
11293172101,4sleep2800234-21diskmemload00:25:452
11215912101,4sleep0800234-21diskmemload00:21:190
11135882101,2sleep20-21swapper/200:17:072
10962832101,2sleep10-21swapper/100:05:591
10702532101,4sleep01070311-21ntpq23:50:200
10374182104,3sleep01037497-21pmu-power23:30:230
947787291,3sleep0800234-21diskmemload22:37:350
906291291,2sleep20-21swapper/222:12:312
889012291,2sleep20-21swapper/222:01:252
874721290,2sleep10-21swapper/121:54:381
807559291,3sleep2800234-21diskmemload21:13:382
774271291,4sleep2774431-21expr20:45:122
774249291,3sleep1774268-21apt-get20:45:111
765088291,4sleep0766836-21cut20:35:170
757506290,1sleep00-21swapper/020:25:550
751450291,4sleep10-21swapper/120:20:191
731570291,3sleep1731618-21munin-run20:05:001
730919291,4sleep0731177-21grep20:00:260
705531291,3sleep00-21swapper/019:40:100
688508291,4sleep1688725-21users19:20:281
688508291,4sleep1688725-21users19:20:271
688163291,4sleep0688212-21ntp_states19:20:220
688163291,4sleep0688212-21ntp_states19:20:220
688051291,3sleep2688108-21ntpq19:20:212
688051291,3sleep2688108-21ntpq19:20:202
678839290,3sleep20-21swapper/219:15:112
672162293,3sleep0671559-21/usr/sbin/munin19:10:160
1145220291,4sleep21145317-21ssh00:35:232
833711281,2sleep00-21swapper/021:30:040
784737281,2sleep20-21swapper/220:55:102
741913280,1sleep20-21swapper/220:13:102
731835281,2sleep20-21swapper/220:05:142
720037281,4sleep0720093-21awk19:50:200
700183281,3sleep1699689-21apt-get19:35:021
789383270,5sleep1331ktimers/120:56:101
784129270,1sleep20-21swapper/220:50:342
780666271,2sleep1782402-21kthreadcore20:50:171
780038271,2sleep00-21swapper/020:50:160
773889270,1sleep00-21swapper/020:43:470
766837270,3sleep1321rcuc/120:35:181
758374270,2sleep10-21swapper/120:30:131
752861270,2sleep10-21swapper/120:25:121
737655271,3sleep0738656-21kthreadcore20:10:160
736827271,2sleep01-21systemd20:10:000
705019270,1sleep00-21swapper/019:37:050
694662271,3sleep0694724-21cpuspeed_turbos19:30:120
796898261,2sleep20-21swapper/221:05:162
794677260,1sleep10-21swapper/121:01:201
789976260,2sleep20-21swapper/221:00:112
774543260,2sleep0774756-21smartctl20:45:150
747033260,1sleep00-21swapper/020:16:090
736562260,1sleep10-21swapper/120:06:401
726572261,1sleep20-21swapper/220:00:122
721002260,1sleep10-21swapper/119:54:541
711087261,2sleep20-21swapper/219:45:142
709860261,2sleep2710057-21unixbench-2d19:40:242
698794261,2sleep20-21swapper/219:30:222
676027261,2sleep20-21swapper/219:10:272
795798250,2sleep10-21swapper/121:05:151
790142251,1sleep00-21swapper/021:00:140
785016250,2sleep00-21swapper/020:55:120
773755250,3sleep1331ktimers/120:42:081
762227250,1sleep00-21swapper/020:30:210
753868250,2sleep20-21swapper/220:25:172
720867250,1sleep20-21swapper/219:53:102
676631250,1sleep00-21swapper/019:15:010
721661240,1sleep20-21swapper/219:55:162
689130240,1sleep20-21swapper/219:25:022
671328240,1sleep10-21swapper/119:10:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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