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2026-02-22 - 20:28
[ 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 #b, slot #5

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.

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 rackbslot5s.osadl.org (updated Sun Feb 22, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
595090996653,10cyclictest593018-21kworker/u8:2+events_unbound07:10:133
595082995524,5cyclictest0-21swapper/109:25:151
595090995140,7cyclictest617869-21grep08:10:253
595086994842,4cyclictest690354-21kworker/u8:1+events_unbound12:10:572
595086994841,5cyclictest671694-21kworker/u8:0+events_unbound11:00:482
595090994736,7cyclictest616145-21grep08:05:273
595078994533,9cyclictest121ktimers/010:15:120
595086994234,4cyclictest625316-21cron08:35:002
595082994233,5cyclictest702937-21cron12:20:001
595078994235,4cyclictest668321-21idleruntime-cro10:40:010
595086994128,9cyclictest697400-21auditctl12:05:002
595082994134,4cyclictest625336-21munin-plugin-st08:35:011
595082994128,9cyclictest652296-21grep09:50:251
595090994033,4cyclictest602045-21unixbench_singl07:25:273
595090994033,4cyclictest602045-21unixbench_singl07:25:273
595090994031,5cyclictest688829-21cron11:40:003
595086994033,5cyclictest675678-21kworker/u8:1+events_unbound11:35:532
595086994031,6cyclictest607605-21apt-get07:45:012
595078994031,5cyclictest616565-21idleruntime-cro08:10:010
595090993928,7cyclictest630065-21grep08:45:273
595086993912,13cyclictest131rcu_preempt11:20:142
595086993912,13cyclictest131rcu_preempt11:20:142
595082993930,6cyclictest683719-21apt11:25:001
595082993930,6cyclictest683719-21apt11:25:001
595082993930,6cyclictest667822-21grep10:35:251
595078993931,4cyclictest628494-21kworker/u8:0-rpciod09:00:240
595078993931,4cyclictest628494-21kworker/u8:0-rpciod09:00:240
595078993931,4cyclictest0-21swapper/007:50:000
595078993931,4cyclictest0-21swapper/007:50:000
595086993830,6cyclictest311ktimers/207:50:122
595086993830,6cyclictest311ktimers/207:50:122
59507899381,4cyclictest0-21swapper/008:20:120
595090993726,7cyclictest0-21swapper/312:20:273
595086993728,4cyclictest0-21swapper/210:00:012
595086993727,6cyclictest0-21swapper/210:45:002
595086993725,7cyclictest678106-21grep11:05:232
595086993712,6cyclictest131rcu_preempt08:55:122
595090993627,6cyclictest613602-21fschecks_time08:00:173
595086993629,4cyclictest0-21swapper/211:40:262
595086993610,13cyclictest32-21ksoftirqd/208:05:162
595082993629,4cyclictest0-21swapper/111:39:591
595078993629,3cyclictest0-21swapper/008:49:590
595078993627,5cyclictest682003-21munin-plugin-st11:20:000
59509099355,5cyclictest131rcu_preempt10:25:133
595090993529,4cyclictest593018-21kworker/u8:2+events_unbound07:15:083
595090993529,4cyclictest593018-21kworker/u8:2+events_unbound07:15:083
59508699355,13cyclictest32-21ksoftirqd/210:15:102
595086993528,5cyclictest663198-21kworker/u8:2+events_unbound10:25:452
595086993528,5cyclictest624954-21kworker/u8:2+events_unbound08:44:412
595086993525,7cyclictest693534-21grep11:50:272
595086993511,7cyclictest131rcu_preempt11:30:132
595082993527,5cyclictest640716-21sh09:20:001
595082993526,5cyclictest0-21swapper/107:30:171
595082993525,7cyclictest699521-21apt-key12:10:011
595078993531,2cyclictest0-21swapper/008:40:120
595078993528,4cyclictest623622-21sh08:30:010
595078993527,4cyclictest0-21swapper/009:15:260
59509099342,7cyclictest131rcu_preempt09:15:143
595090993426,4cyclictest0-21swapper/311:50:273
595090993426,4cyclictest0-21swapper/311:15:253
595090993424,6cyclictest0-21swapper/308:25:253
595086993422,8cyclictest623160-21grep08:25:252
595086993421,8cyclictest705948-21grep12:25:252
595086993412,11cyclictest131rcu_preempt09:20:132
595082993423,7cyclictest626610-21grep08:35:261
59509099334,6cyclictest131rcu_preempt09:30:123
595090993323,6cyclictest610789-21grep07:50:263
595090993323,6cyclictest610789-21grep07:50:263
595090993321,7cyclictest0-21swapper/312:25:253
595086993326,5cyclictest602677-21kworker/u8:2+events_unbound07:35:092
595086993325,4cyclictest0-21swapper/212:35:262
595086993322,6cyclictest0-21swapper/207:15:262
595086993322,6cyclictest0-21swapper/207:15:262
595082993325,4cyclictest0-21swapper/110:50:281
595078993326,4cyclictest0-21swapper/007:55:000
595078993326,4cyclictest0-21swapper/007:55:000
595078993323,6cyclictest0-21swapper/008:50:270
59509099324,5cyclictest131rcu_preempt12:35:123
595090993225,5cyclictest692098-21kworker/u8:0+events_unbound12:00:563
595090993223,5cyclictest0-21swapper/308:20:013
595090993222,6cyclictest1-21systemd09:55:393
595086993225,5cyclictest619849-21kworker/u8:0+events_unbound08:35:242
595086993224,4cyclictest0-21swapper/208:00:262
595086993215,6cyclictest638092-21kworker/u8:3+events_unbound09:13:432
595086993214,5cyclictest131rcu_preempt09:25:132
595082993224,4cyclictest0-21swapper/112:29:591
595078993225,3cyclictest0-21swapper/011:25:000
595078993225,3cyclictest0-21swapper/011:24:590
595090993124,4cyclictest0-21swapper/310:10:263
595090993124,4cyclictest0-21swapper/309:40:013
595090993123,4cyclictest0-21swapper/311:55:203
595090993123,4cyclictest0-21swapper/310:04:593
595090993123,4cyclictest0-21swapper/309:00:273
595090993123,4cyclictest0-21swapper/309:00:273
595090993121,6cyclictest657420-21grep10:05:273
595090993119,9cyclictest599958-21rt-features07:20:243
595090993119,9cyclictest599958-21rt-features07:20:233
595086993124,5cyclictest652653-21kworker/u8:2+events_unbound09:54:412
595086993122,5cyclictest657838-21apt10:10:002
595086993121,4cyclictest131rcu_preempt10:00:162
595086993116,5cyclictest697235-21kworker/u8:2+events_unbound12:06:222
595082993124,4cyclictest0-21swapper/107:15:261
595082993124,4cyclictest0-21swapper/107:15:251
595082993121,6cyclictest0-21swapper/109:20:261
595078993125,4cyclictest671694-21kworker/u8:0+events_unbound11:05:490
595078993123,4cyclictest0-21swapper/012:14:590
595078993122,5cyclictest208-21systemd-logind10:05:410
595078993122,5cyclictest0-21swapper/012:10:000
59507899311,27cyclictest0-21swapper/009:20:130
595078993110,5cyclictest647601-21idleruntime-cro09:40:010
59509099303,5cyclictest131rcu_preempt09:20:133
595090993024,4cyclictest619849-21kworker/u8:0+events_unbound08:35:223
595090993023,5cyclictest642163-21kworker/u8:1+events_unbound09:25:303
595090993022,5cyclictest702946-21cron12:20:003
595086993024,4cyclictest666229-21kworker/u8:1+events_unbound10:50:462
595086993023,5cyclictest663198-21kworker/u8:2+events_unbound10:35:442
595086993023,4cyclictest0-21swapper/210:10:252
595086993022,6cyclictest636634-21kworker/u8:1+events_unbound09:15:122
595086993021,5cyclictest0-21swapper/210:20:182
595086993018,8cyclictest702963-21sendmail12:19:592
595082993023,4cyclictest611208-21sh07:55:001
595082993023,4cyclictest611208-21sh07:54:591
595082993023,4cyclictest0-21swapper/109:45:251
595082993022,4cyclictest0-21swapper/108:20:011
595082993020,7cyclictest709798-21idleruntime-cro12:40:001
595082993020,5cyclictest0-21swapper/111:30:001
595082993020,5cyclictest0-21swapper/111:30:001
595078993026,2cyclictest13550irq/42-30be0000.ethernet10:10:120
595078993023,4cyclictest605870-21munin-run07:39:590
595090992922,4cyclictest699328-21munin-plugin-st12:10:003
595090992921,4cyclictest0-21swapper/310:50:283
595086992922,5cyclictest624954-21kworker/u8:2+events_unbound08:46:412
595086992916,3cyclictest131rcu_preempt09:42:522
595086992914,3cyclictest131rcu_preempt12:30:252
595086992914,3cyclictest131rcu_preempt09:30:202
595082992921,4cyclictest0-21swapper/109:40:161
595090992820,4cyclictest0-21swapper/308:45:003
595090992817,7cyclictest0-21swapper/312:30:263
59509099281,4cyclictest131rcu_preempt10:45:113
59508699288,13cyclictest32-21ksoftirqd/210:45:222
59508699286,4cyclictest131rcu_preempt07:45:072
59508699286,4cyclictest131rcu_preempt07:45:072
595086992822,4cyclictest630273-21kworker/u8:1+events_unbound08:54:412
595086992819,6cyclictest301rcuc/209:05:122
595086992819,6cyclictest301rcuc/209:05:122
595086992819,5cyclictest650573-21head09:45:252
595086992818,3cyclictest131rcu_preempt11:55:152
595086992813,3cyclictest131rcu_preempt09:03:272
595086992813,3cyclictest131rcu_preempt09:03:272
59508699280,5cyclictest0-21swapper/210:30:132
595082992820,4cyclictest0-21swapper/111:45:251
595082992820,4cyclictest0-21swapper/108:20:271
595082992817,8cyclictest231ktimers/107:20:131
595082992817,8cyclictest231ktimers/107:20:131
595078992822,4cyclictest692098-21kworker/u8:0+events_unbound11:55:560
595078992821,4cyclictest0-21swapper/012:30:260
595078992821,4cyclictest0-21swapper/010:45:250
595078992820,4cyclictest0-21swapper/012:00:240
595078992818,7cyclictest598579-21grep07:15:260
595078992818,7cyclictest598579-21grep07:15:260
59509099276,5cyclictest53-21kcompactd011:05:223
595090992719,4cyclictest0-21swapper/308:30:163
595090992716,9cyclictest595069-21cyclictest11:20:143
595090992716,9cyclictest595069-21cyclictest11:20:133
595090992716,7cyclictest0-21swapper/311:40:263
595090992716,7cyclictest0-21swapper/310:30:053
59508699279,12cyclictest131rcu_preempt08:20:252
59508699278,11cyclictest32-21ksoftirqd/211:30:002
59508699278,11cyclictest32-21ksoftirqd/211:29:592
59508699274,7cyclictest32-21ksoftirqd/207:30:262
595086992719,4cyclictest0-21swapper/207:55:262
595086992719,4cyclictest0-21swapper/207:20:262
595086992719,4cyclictest0-21swapper/207:20:262
595086992717,7cyclictest674364-21find10:55:242
595082992719,5cyclictest0-21swapper/111:30:251
595082992719,4cyclictest0-21swapper/110:55:261
595078992721,3cyclictest0-21swapper/010:00:010
595078992719,4cyclictest0-21swapper/010:25:150
595078992717,7cyclictest596802-21munin-setwarn07:15:010
595090992618,4cyclictest0-21swapper/311:30:263
59509099261,10cyclictest131rcu_preempt10:35:123
595086992620,4cyclictest680076-21kworker/u8:2+events_unbound11:14:472
595086992620,4cyclictest611151-21kworker/u8:2+events_unbound08:10:242
595086992618,5cyclictest0-21swapper/208:15:162
595086992617,7cyclictest598906-21kworker/u8:1+events_unbound07:27:452
595086992617,7cyclictest598906-21kworker/u8:1+events_unbound07:27:452
59508699261,5cyclictest681067-21ntpq11:15:202
595086992615,7cyclictest596261-21grep07:10:262
59508699261,11cyclictest0-21swapper/209:35:152
595082992619,4cyclictest0-21swapper/110:19:591
595082992617,6cyclictest1-21systemd09:55:391
59507899269,4cyclictest131rcu_preempt12:15:120
595078992622,2cyclictest0-21swapper/011:00:160
595078992621,3cyclictest0-21swapper/008:55:250
595078992620,3cyclictest0-21swapper/012:35:240
595078992619,4cyclictest13550irq/42-30be0000.ethernet08:20:010
595078992617,6cyclictest1-21systemd08:30:200
595090992518,3cyclictest0-21swapper/307:45:013
595090992518,3cyclictest0-21swapper/307:30:183
595090992517,4cyclictest0-21swapper/310:20:183
595090992517,4cyclictest0-21swapper/308:54:593
595090992517,4cyclictest0-21swapper/307:40:003
595090992515,6cyclictest0-21swapper/309:40:253
595090992514,7cyclictest0-21swapper/310:40:263
595090992514,7cyclictest0-21swapper/308:00:003
595086992517,6cyclictest702905-21kworker/u8:1+events_unbound12:22:062
595082992518,5cyclictest208-21systemd-logind12:24:401
595082992518,4cyclictest664721-21latency_hist10:30:001
595082992518,4cyclictest623151-21unixbench_multi08:25:251
595082992518,4cyclictest0-21swapper/112:10:161
595082992515,6cyclictest0-21swapper/112:30:261
595078992519,3cyclictest675150-21kthreadd11:00:000
595078992515,6cyclictest0-21swapper/011:44:010
595078992513,8cyclictest656125-21cron10:05:000
595078992511,10cyclictest613164-21awk08:00:000
595090992418,4cyclictest657491-21kworker/u8:1+events_unbound10:15:423
595090992418,4cyclictest0-21swapper/311:45:243
595090992417,4cyclictest0-21swapper/311:10:263
595090992416,6cyclictest598906-21kworker/u8:1+events_unbound07:45:113
595090992416,6cyclictest598906-21kworker/u8:1+events_unbound07:45:113
595090992415,6cyclictest700766-21grep12:10:243
595090992414,6cyclictest0-21swapper/309:10:003
595090992414,6cyclictest0-21swapper/309:09:593
595090992412,7cyclictest0-21swapper/308:20:263
595082992417,5cyclictest178-21systemd-udevd10:14:401
595082992417,4cyclictest0-21swapper/107:45:281
595082992417,4cyclictest0-21swapper/107:45:281
595082992416,4cyclictest0-21swapper/108:05:161
59508299241,4cyclictest6316962grep08:50:271
595082992413,7cyclictest656127-21sh10:05:001
59507899243,5cyclictest688842-21munin-run11:40:000
595078992417,3cyclictest0-21swapper/007:32:280
595078992415,7cyclictest627040-21cut08:40:010
595078992414,7cyclictest204-21dbus-daemon09:40:360
595090992317,4cyclictest638092-21kworker/u8:3+events_unbound09:10:503
595090992317,4cyclictest630273-21kworker/u8:1+events_unbound08:59:123
595090992317,3cyclictest0-21swapper/310:55:243
595090992314,6cyclictest650032-21sed09:45:203
595082992317,4cyclictest164-21systemd-journal11:44:401
595082992316,5cyclictest164-21systemd-journal09:08:401
595082992316,5cyclictest164-21systemd-journal09:08:401
595082992316,3cyclictest0-21swapper/107:25:271
595082992316,3cyclictest0-21swapper/107:25:261
595082992315,5cyclictest0-21swapper/109:00:001
595082992312,8cyclictest628104-21sed08:40:251
595078992317,4cyclictest690354-21kworker/u8:1+events_unbound11:50:530
595078992317,3cyclictest0-21swapper/007:45:020
595078992316,5cyclictest0-21swapper/008:00:260
595078992316,3cyclictest0-21swapper/009:27:020
59507899231,5cyclictest0-21swapper/011:47:030
595078992315,5cyclictest0-21swapper/011:30:000
595078992315,5cyclictest0-21swapper/011:30:000
595078992313,7cyclictest662048-21ntpq10:20:230
59507899231,20cyclictest0-21swapper/012:25:230
59507899231,18cyclictest0-21swapper/011:30:440
59507899231,18cyclictest0-21swapper/008:11:170
59507899230,19cyclictest0-21swapper/010:43:100
59507899230,19cyclictest0-21swapper/009:50:570
59507899230,19cyclictest0-21swapper/009:14:190
595090992217,3cyclictest0-21swapper/309:50:233
595090992215,4cyclictest0-21swapper/311:25:283
595090992215,4cyclictest0-21swapper/311:25:283
595082992216,4cyclictest178-21systemd-udevd11:14:401
595082992216,3cyclictest0-21swapper/107:35:211
595082992215,4cyclictest231ktimers/108:45:151
595082992214,6cyclictest231ktimers/110:30:051
595082992214,4cyclictest637748-21fschecks_time09:10:161
595082992212,7cyclictest697432-21grep12:05:001
595082992212,7cyclictest595810-21ntp_states07:10:221
595078992215,3cyclictest0-21swapper/010:30:170
595078992215,3cyclictest0-21swapper/009:48:400
595078992215,3cyclictest0-21swapper/007:27:290
595078992215,3cyclictest0-21swapper/007:27:290
595078992214,6cyclictest121ktimers/010:50:220
59507899221,19cyclictest0-21swapper/009:06:240
59507899221,19cyclictest0-21swapper/009:06:240
59507899221,18cyclictest599283-21apt07:20:120
59507899221,18cyclictest599283-21apt07:20:110
59507899220,3cyclictest678811-21apt-get11:10:130
595082992115,3cyclictest0-21swapper/111:55:151
595082992114,4cyclictest662515-21grep10:20:271
595082992114,4cyclictest657840-21idleruntime-cro10:10:001
595082992113,5cyclictest0-21swapper/108:10:231
59507899211,18cyclictest0-21swapper/009:32:110
595078992110,8cyclictest703647-21memory12:20:210
595082992015,2cyclictest0-21swapper/109:30:201
595082992014,4cyclictest692717-21fschecks_time11:50:171
595082992014,4cyclictest670037-21idleruntime-cro10:45:011
595082992014,4cyclictest613552-21fschecks_count08:00:171
595082992014,3cyclictest0-21swapper/111:15:231
595082992014,3cyclictest0-21swapper/110:48:281
595082992013,4cyclictest607130-21grep07:40:251
595082991912,5cyclictest231ktimers/111:05:151
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