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2026-02-10 - 06:11
[ 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 #1, slot #2

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack1slot2s.osadl.org (updated Tue Feb 10, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1355029796,0sleep10-21swapper/118:59:411
1952323626,0sleep30-21swapper/319:00:073
1973323422,0sleep00-21swapper/019:02:360
1987623127,0sleep20-21swapper/219:04:142
35160,0ktimersoftd/30-21swapper/319:14:493
339960,0migration/39009-21munin-node19:19:433
339960,0migration/38787-21munin-node23:19:403
339960,0migration/331213-21munin-node22:29:483
339960,0migration/325806-21munin-node23:29:443
339960,0migration/325450-21sh21:28:143
339960,0migration/324598-21munin-node20:44:413
339960,0migration/32036-21fschecks_time22:14:423
29715060,0irq/26-eth0-rx-30382-21ssh00:31:183
29715060,0irq/26-eth0-rx-23129-21ssh23:25:593
29715060,0irq/26-eth0-rx-20395-21cut22:44:443
199659960,0cyclictest6559-21runrttasks23:19:470
149960,0migration/08239-21sh22:16:430
149960,0migration/032095-21sh22:31:180
149960,0migration/025108-21sh22:08:310
149960,0migration/017016-21sh22:24:010
149960,0migration/014520-21sh00:21:440
8215050,0irq/24-0000:00:21140-21cat19:29:292
339950,0migration/39384-21munin-node20:29:483
339950,0migration/38252-21taskset19:40:213
339950,0migration/3477-21fschecks_time23:54:403
339950,0migration/331579-21runrttasks23:53:113
339950,0migration/328316-21munin-node19:34:413
339950,0migration/326417-21taskset19:07:123
339950,0migration/324012-21kthreadcore19:54:443
339950,0migration/323387-21runrttasks23:47:343
339950,0migration/320648-21kthreadcore21:44:453
339950,0migration/318829-21kthreadcore20:39:443
339950,0migration/316921-21munin-node00:24:443
339950,0migration/316547-21munin-node20:14:413
339950,0migration/316426-21unixbench_multi20:34:513
339950,0migration/315181-21kthreadcore21:39:453
339950,0migration/312363-21munin-node20:59:423
339950,0migration/311063-21kthreadcore22:39:443
29725050,0irq/27-eth0-tx-5720-21sed23:34:462
29725050,0irq/27-eth0-tx-428-21munin-node23:14:492
29725050,0irq/27-eth0-tx-26041-21munin-node21:49:462
29725050,0irq/27-eth0-tx-23819-21munin-node20:44:392
29725050,0irq/27-eth0-tx-2253-21if_err_eth1.322:14:442
29725050,0irq/27-eth0-tx-15956-21ssh22:00:142
29725050,0irq/27-eth0-tx-14505-21munin-node19:24:512
29725050,0irq/27-eth0-tx-11173-21kthreadcore23:59:442
29725050,0irq/27-eth0-tx-0-21swapper/223:08:152
29725050,0irq/27-eth0-tx-0-21swapper/222:53:302
29725050,0irq/27-eth0-tx-0-21swapper/222:38:342
29725050,0irq/27-eth0-tx-0-21swapper/221:44:132
29725050,0irq/27-eth0-tx-0-21swapper/200:32:282
29725050,0irq/27-eth0-tx-0-21swapper/200:26:202
29725050,0irq/27-eth0-tx-0-21swapper/200:05:582
29715050,0irq/26-eth0-rx-369-21runrttasks21:31:103
29715050,0irq/26-eth0-rx-32302-21sh22:11:043
29715050,0irq/26-eth0-rx-23391-21ssh23:05:493
29715050,0irq/26-eth0-rx-2317-21hostname21:14:423
29715050,0irq/26-eth0-rx-2280-21irqrtprio22:34:443
29715050,0irq/26-eth0-rx-14255-21ssh00:20:593
29715050,0irq/26-eth0-rx-0-21swapper/323:59:353
29715050,0irq/26-eth0-rx-0-21swapper/322:59:483
29715050,0irq/26-eth0-rx-0-21swapper/322:51:393
29715050,0irq/26-eth0-rx-0-21swapper/322:20:033
29715050,0irq/26-eth0-rx-0-21swapper/322:07:413
29715050,0irq/26-eth0-rx-0-21swapper/321:54:333
29715050,0irq/26-eth0-rx-0-21swapper/321:54:243
29715050,0irq/26-eth0-rx-0-21swapper/321:34:463
29715050,0irq/26-eth0-rx-0-21swapper/321:19:343
29715050,0irq/26-eth0-rx-0-21swapper/321:12:383
29715050,0irq/26-eth0-rx-0-21swapper/300:14:463
29715050,0irq/26-eth0-rx-0-21swapper/300:09:433
259950,0migration/23456-21kthreadcore19:14:452
259950,0migration/230878-21kthreadcore20:24:432
259950,0migration/222351-21kthreadcore22:44:452
259950,0migration/219450-21kthreadcore21:04:452
259950,0migration/217059-21sh22:24:092
259950,0migration/217025-21munin-node23:24:392
259950,0migration/214789-21sh23:40:522
259950,0migration/213060-21kthreadcore22:59:462
249950,0watchdog/23487-21grep00:14:462
249950,0watchdog/224990-21aten2.4-expect23:09:382
249950,0watchdog/224140-21kernelversion20:19:462
249950,0watchdog/219385-21tr19:49:472
249950,0watchdog/212286-21kthreadcore23:19:462
199679955,0cyclictest0-21swapper/223:54:402
199679955,0cyclictest0-21swapper/223:33:042
199679950,0cyclictest0-21swapper/200:13:162
199669955,0cyclictest17468-21diskmemload22:44:311
199669950,0cyclictest0-21swapper/121:26:191
199659955,0cyclictest0-21swapper/022:12:370
199659955,0cyclictest0-21swapper/020:19:440
199659950,0cyclictest0-21swapper/023:09:510
199659950,0cyclictest0-21swapper/022:51:330
199659950,0cyclictest0-21swapper/022:02:220
199659950,0cyclictest0-21swapper/000:01:340
179950,0migration/18514-21taskset21:35:571
179950,0migration/129480-21aten_r1power_cu20:24:381
169950,0watchdog/129718-21kthreadcore23:29:461
149950,0migration/09596-21aten_r1power_fr20:09:400
149950,0migration/09001-21taskset21:18:140
149950,0migration/06732-21munin-node23:14:530
149950,0migration/06334-21kthreadcore22:34:460
149950,0migration/05701-21kthreadcore21:34:460
149950,0migration/04641-21latency_hist20:54:280
149950,0migration/04446-21kthreadcore23:34:450
149950,0migration/04040-21kthreadcore21:54:450
149950,0migration/03993-21kthreadcore22:54:450
149950,0migration/0345-21kthreadcore19:59:460
149950,0migration/032050-21taskset21:10:300
149950,0migration/032041-21kthreadcore20:24:440
149950,0migration/026885-21kthreadcore20:44:440
149950,0migration/025131-21kthreadcore19:54:440
149950,0migration/023681-21latency_hist20:44:280
149950,0migration/023178-21sh23:05:130
149950,0migration/021792-21needreboot23:44:470
149950,0migration/021512-21kthreadcore21:24:460
149950,0migration/021002-21idleruntime19:04:410
149950,0migration/019474-21kthreadcore19:24:460
149950,0migration/017878-21latency_hist21:44:280
149950,0migration/017771-21fschecks_time22:44:410
149950,0migration/01698-21kthreadcore00:14:450
149950,0migration/016419-21munin-node19:49:440
149950,0migration/016085-21latency_hist20:14:280
149950,0migration/012594-21kthreadcore19:44:450
149950,0migration/011957-21kthreadcore21:19:460
149950,0migration/010386-21latency_hist20:34:280
339940,0migration/35609-21kthreadcore22:54:463
339940,0migration/33522-21taskset20:29:133
339940,0migration/330328-21kthreadcore19:59:453
339940,0migration/328169-21missed_timers20:19:483
339940,0migration/324223-21diskmemload21:06:063
339940,0migration/319757-21kthreadcore22:24:443
339940,0migration/317096-21kthreadcore19:24:453
339940,0migration/315631-21taskset20:11:283
29725040,0irq/27-eth0-tx-7846-21munin-node19:19:432
29725040,0irq/27-eth0-tx-2745-21munin-node20:04:402
29725040,0irq/27-eth0-tx-25730-21munin-node21:09:422
29725040,0irq/27-eth0-tx-19712-21kthreadcore23:44:452
29725040,0irq/27-eth0-tx-17162-21munin-node20:39:462
29725040,0irq/27-eth0-tx-10488-21munin-node20:34:442
29725040,0irq/27-eth0-tx-0-21swapper/222:54:392
29725040,0irq/27-eth0-tx-0-21swapper/222:40:322
29725040,0irq/27-eth0-tx-0-21swapper/222:29:482
29725040,0irq/27-eth0-tx-0-21swapper/221:44:442
29725040,0irq/27-eth0-tx-0-21swapper/221:24:462
29725040,0irq/27-eth0-tx-0-21swapper/219:34:482
29725040,0irq/27-eth0-tx-0-21swapper/200:19:552
29715040,0irq/26-eth0-rx-1376-21kthreadcore20:49:463
29715040,0irq/26-eth0-rx-0-21swapper/323:40:563
29715040,0irq/26-eth0-rx-0-21swapper/323:34:413
29715040,0irq/26-eth0-rx-0-21swapper/323:14:393
29715040,0irq/26-eth0-rx-0-21swapper/323:10:503
29715040,0irq/26-eth0-rx-0-21swapper/321:59:283
29715040,0irq/26-eth0-rx-0-21swapper/300:05:023
259940,0migration/25232-21kthreadcore20:29:452
259940,0migration/23486-21kthreadcore21:14:442
259940,0migration/23193-21kernelversion21:34:452
259940,0migration/222449-21kthreadcore22:04:472
259940,0migration/21620-21kthreadcore20:49:462
249940,0watchdog/26803-21kthreadcore21:54:462
249940,0watchdog/23516-21cut19:39:472
249940,0watchdog/212492-21tr21:19:462
249940,0watchdog/20-21swapper/222:09:462
249940,0watchdog/20-21swapper/221:30:422
249940,0watchdog/20-21swapper/220:54:462
249940,0watchdog/20-21swapper/219:09:472
249940,0watchdog/20-21swapper/219:09:472
199679943,0cyclictest3514-21snmpd21:01:372
199679943,0cyclictest3514-21snmpd20:12:372
199679943,0cyclictest3514-21snmpd19:59:362
199679943,0cyclictest3514-21snmpd19:08:362
199679943,0cyclictest25200-21awk23:49:432
199679943,0cyclictest18384-21awk22:24:422
199669944,0cyclictest0-21swapper/122:07:381
199669943,0cyclictest741-21awk23:54:411
199669943,0cyclictest3556-21lldpd23:19:481
199669943,0cyclictest3556-21lldpd20:44:481
199669943,0cyclictest3556-21lldpd20:17:181
199669943,0cyclictest3514-21snmpd22:51:071
199669943,0cyclictest3514-21snmpd19:19:361
199669943,0cyclictest3241-21irqbalance23:49:461
199669943,0cyclictest3241-21irqbalance19:44:471
199669943,0cyclictest28792-21awk19:34:431
199669943,0cyclictest21111-21awk19:04:421
199669943,0cyclictest10699-21awk21:19:441
199669943,0cyclictest10057-21awk22:39:431
199669940,0cyclictest0-21swapper/123:24:531
199669940,0cyclictest0-21swapper/121:08:111
199659944,0cyclictest17468-21diskmemload00:29:180
199659943,0cyclictest3514-21snmpd21:32:520
199659943,0cyclictest3138-21irqcore19:39:460
199659943,0cyclictest11532-21kworker/0:021:05:290
199659943,0cyclictest10987-21awk21:39:420
199659940,0cyclictest0-21swapper/023:34:270
179940,0migration/16250-21kthreadcore19:39:471
179940,0migration/16062-21kthreadcore22:54:461
179940,0migration/14195-21kthreadcore00:14:461
179940,0migration/129419-21proc_pri00:29:481
179940,0migration/127433-21runrttasks19:32:371
179940,0migration/126990-21aten_r1power_vo19:09:411
179940,0migration/126990-21aten_r1power_vo19:09:411
179940,0migration/126140-21kthreadcore19:54:441
179940,0migration/122376-21unixbench_multi23:44:511
179940,0migration/122328-21missed_timers23:04:461
179940,0migration/116212-21kthreadcore19:24:451
179940,0migration/11455-21taskset21:34:091
179940,0migration/111490-21kthreadcore23:39:431
179940,0migration/110402-21df_abs21:39:401
169940,0watchdog/16980-21timerandwakeup19:14:511
169940,0watchdog/16697-21ssh23:35:381
169940,0watchdog/16559-21runrttasks20:37:581
169940,0watchdog/130910-21kthreadcore21:09:461
169940,0watchdog/130384-21kthreadcore22:09:461
169940,0watchdog/129615-21ntpq00:09:461
169940,0watchdog/122734-21grep21:44:461
169940,0watchdog/119384-21cut19:49:471
169940,0watchdog/118069-21munin-node20:39:421
169940,0watchdog/113522-21kthreadcore22:19:461
169940,0watchdog/110060-21sed21:59:421
169940,0watchdog/10-21swapper/123:14:461
169940,0watchdog/10-21swapper/122:14:461
169940,0watchdog/10-21swapper/121:54:461
169940,0watchdog/10-21swapper/120:54:461
169940,0watchdog/10-21swapper/120:19:461
169940,0watchdog/10-21swapper/100:04:461
149940,0migration/030561-21kthreadcore21:49:450
149940,0migration/028355-21kthreadcore19:09:450
149940,0migration/028355-21kthreadcore19:09:450
149940,0migration/021295-21aten_r1power_vo19:29:400
149940,0migration/019699-21kthreadcore00:04:450
149940,0migration/016846-21runrttasks22:44:200
149940,0migration/011959-21kthreadcore23:39:430
149940,0migration/010022-21irqcore22:59:450
29725030,0irq/27-eth0-tx-0-21swapper/220:14:392
29725030,0irq/27-eth0-tx-0-21swapper/219:44:392
29715030,0irq/26-eth0-rx-0-21swapper/320:54:423
29715030,0irq/26-eth0-rx-0-21swapper/320:07:513
29715030,0irq/26-eth0-rx-0-21swapper/319:44:403
29715030,0irq/26-eth0-rx-0-21swapper/319:09:403
29715030,0irq/26-eth0-rx-0-21swapper/319:09:403
199679930,0cyclictest0-21swapper/219:54:402
199669933,0cyclictest0-21swapper/122:24:301
199669932,0cyclictest3514-21snmpd23:59:451
199669932,0cyclictest3514-21snmpd22:34:371
199669932,0cyclictest3514-21snmpd21:01:221
199669932,0cyclictest3514-21snmpd20:49:371
199669932,0cyclictest3241-21irqbalance00:24:461
199669932,0cyclictest29241-21grep19:59:421
199669932,0cyclictest26097-21cut23:09:421
199669932,0cyclictest13514-21sensors00:19:501
199669932,0cyclictest10346-21awk20:09:431
199669931,0cyclictest5582-21kthreadcore20:29:451
199659933,0cyclictest9953-21kworker/0:023:54:310
199659933,0cyclictest3556-21lldpd19:34:480
199659933,0cyclictest16841-21kworker/0:100:29:390
199659933,0cyclictest16841-21kworker/0:100:09:490
199659932,0cyclictest5635-21awk20:54:430
199659932,0cyclictest18360-21awk22:24:420
199659930,0cyclictest8453-21perl19:19:410
199659930,0cyclictest16474-21wc23:24:280
199659930,0cyclictest15801-21tr20:59:450
199659930,0cyclictest10613-21sh20:34:400
199659930,0cyclictest0-21swapper/020:04:360
179930,0migration/18938-21runrttasks20:05:391
169930,0watchdog/10-21swapper/123:00:181
169930,0watchdog/10-21swapper/122:29:421
169930,0watchdog/10-21swapper/121:49:421
169930,0watchdog/10-21swapper/121:16:061
149930,0migration/024275-21sh23:49:310
29715020,0irq/26-eth0-rx-0-21swapper/319:50:013
29715020,0irq/26-eth0-rx-0-21swapper/319:29:493
199659921,0cyclictest1007-21ls19:14:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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