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2026-01-27 - 18:13
[ 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 all highest latencies:
System rack1slot2s.osadl.org (updated Tue Jan 27, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450360,0irq/25-eth10-21swapper/307:03:003
2306023624,0sleep20-21swapper/207:03:042
2324723423,0sleep00-21swapper/007:05:140
2295323423,0sleep10-21swapper/107:01:461
339970,0migration/320614-21sh10:25:043
4160,0ktimersoftd/00-21swapper/012:28:270
339960,0migration/35310-21sh09:15:403
339960,0migration/323158-21irqrtprio09:26:003
29725060,0irq/27-eth0-tx-18780-21munin-node07:51:000
29715060,0irq/26-eth0-rx-29077-21port_sshpriv07:06:063
29715060,0irq/26-eth0-rx-15702-21kthreadcore09:41:013
29715060,0irq/26-eth0-rx-11183-21nfs_client09:16:063
233669966,0cyclictest0-21swapper/209:06:042
233669960,0cyclictest0-21swapper/210:47:382
233669960,0cyclictest0-21swapper/209:41:252
149960,0migration/04497-21sh09:32:530
149960,0migration/018515-21sh11:01:110
149960,0migration/017690-21sh12:02:370
8215050,0irq/24-0000:00:19332-21cat11:45:442
339950,0migration/39748-21kthreadcore09:56:013
339950,0migration/38925-21switchtime11:56:053
339950,0migration/36546-21irqcore07:41:013
339950,0migration/3392-21kthreadcore09:31:023
339950,0migration/331368-21kthreadcore08:21:023
339950,0migration/327561-21fschecks_time12:10:563
339950,0migration/323350-21kthreadcore11:06:013
339950,0migration/323155-21munin-node09:46:013
339950,0migration/323062-21kthreadcore09:06:013
339950,0migration/322304-21kthreadcore07:26:003
339950,0migration/321759-21kthreadcore08:16:013
339950,0migration/321206-21fschecks_count08:40:583
339950,0migration/321012-21kthreadcore12:26:013
339950,0migration/31839-21sh11:53:163
339950,0migration/316464-21kthreadcore09:21:013
339950,0migration/316207-21kthreadcore07:46:033
339950,0migration/31371-21kthreadcore07:11:023
339950,0migration/313473-21latency_hist10:00:443
339950,0migration/311072-21munin-node12:20:573
339950,0migration/310648-21missed_timers10:16:023
29725050,0irq/27-eth0-tx-6743-21irqrtprio09:55:592
29725050,0irq/27-eth0-tx-6293-21kthreadcore12:16:012
29725050,0irq/27-eth0-tx-4280-21ssh10:55:492
29725050,0irq/27-eth0-tx-28284-21munin-node11:11:062
29725050,0irq/27-eth0-tx-27771-21ssh11:10:032
29725050,0irq/27-eth0-tx-26646-21munin-node12:30:572
29725050,0irq/27-eth0-tx-23575-21munin-node07:06:080
29725050,0irq/27-eth0-tx-21550-21munin-node10:06:002
29725050,0irq/27-eth0-tx-18656-21munin-node12:26:062
29725050,0irq/27-eth0-tx-17778-21sed11:21:062
29725050,0irq/27-eth0-tx-12303-21munin-node11:01:002
29725050,0irq/27-eth0-tx-0-21swapper/211:39:012
29725050,0irq/27-eth0-tx-0-21swapper/211:19:532
29725050,0irq/27-eth0-tx-0-21swapper/210:22:142
29725050,0irq/27-eth0-tx-0-21swapper/209:37:592
29725050,0irq/27-eth0-tx-0-21swapper/209:27:112
29725050,0irq/27-eth0-tx-0-21swapper/008:42:440
29725050,0irq/27-eth0-tx-0-21swapper/008:22:410
29725050,0irq/27-eth0-tx-0-21swapper/007:25:540
29715050,0irq/26-eth0-rx-7773-21cut10:36:013
29715050,0irq/26-eth0-rx-3957-21ssh10:13:013
29715050,0irq/26-eth0-rx-25306-21ssh12:06:293
29715050,0irq/26-eth0-rx-21135-21kernelversion11:25:583
29715050,0irq/26-eth0-rx-12166-21sh09:36:463
29715050,0irq/26-eth0-rx-0-21swapper/312:31:013
29715050,0irq/26-eth0-rx-0-21swapper/312:19:073
29715050,0irq/26-eth0-rx-0-21swapper/311:46:013
29715050,0irq/26-eth0-rx-0-21swapper/311:37:333
29715050,0irq/26-eth0-rx-0-21swapper/311:31:163
29715050,0irq/26-eth0-rx-0-21swapper/310:52:423
29715050,0irq/26-eth0-rx-0-21swapper/310:27:403
29715050,0irq/26-eth0-rx-0-21swapper/309:52:543
27150,0ktimersoftd/20-21swapper/210:19:102
259950,0migration/29981-21sh11:58:202
259950,0migration/25397-21munin-node10:35:582
259950,0migration/220682-21kthreadcore12:05:592
259950,0migration/213594-21latency08:56:042
259950,0migration/211944-21latency_hist07:45:442
249950,0watchdog/211978-21if_eth012:00:582
233669955,0cyclictest0-21swapper/211:34:272
233669955,0cyclictest0-21swapper/210:01:452
233669955,0cyclictest0-21swapper/209:48:402
233669955,0cyclictest0-21swapper/209:24:142
233669954,0cyclictest3556-21lldpd10:34:112
233669950,0cyclictest0-21swapper/211:53:322
233669950,0cyclictest0-21swapper/211:43:362
233669950,0cyclictest0-21swapper/210:45:252
233669950,0cyclictest0-21swapper/209:14:182
233659955,0cyclictest0-21swapper/109:20:571
233659950,0cyclictest0-21swapper/109:55:381
233659950,0cyclictest0-21swapper/109:28:311
233649955,0cyclictest0-21swapper/010:03:150
233649955,0cyclictest0-21swapper/009:14:130
233649950,0cyclictest0-21swapper/011:38:190
19150,0ktimersoftd/10-21swapper/110:29:131
179950,0migration/16968-21kthreadcore10:16:001
179950,0migration/124418-21kthreadcore10:06:011
179950,0migration/12100-21sh11:11:271
169950,0watchdog/115878-21kthreadcore07:21:031
149950,0migration/07391-21if_eth1.308:06:000
149950,0migration/06749-21vmstat08:26:080
149950,0migration/06531-21kthreadcore11:16:000
149950,0migration/05943-21kthreadcore07:15:590
149950,0migration/05783-21munin-node09:55:550
149950,0migration/04046-21kthreadcore08:01:020
149950,0migration/03733-21unixbench-2d07:11:080
149950,0migration/028880-21kthreadcore07:31:020
149950,0migration/028732-21fschecks_count11:10:570
149950,0migration/028313-21kthreadcore12:31:010
149950,0migration/027810-21taskset10:48:590
149950,0migration/023538-21kthreadcore12:06:000
149950,0migration/022674-21idleruntime09:45:590
149950,0migration/022326-21kthreadcore11:25:580
149950,0migration/020194-21hwlatdetect11:45:580
149950,0migration/019780-21aten_r1power_en08:15:550
149950,0migration/018198-21taskset07:46:460
149950,0migration/018106-21kthreadcore09:01:020
149950,0migration/017872-21kthreadcore08:36:010
149950,0migration/013187-21fschecks_count10:40:570
149950,0migration/01152-21sh11:51:130
339940,0migration/37077-21kthreadcore07:16:003
339940,0migration/331250-21aten_r1power_po07:35:563
339940,0migration/328004-21kthreadcore07:56:003
339940,0migration/327151-21open_inodes10:06:043
339940,0migration/322541-21kthreadcore07:51:013
339940,0migration/317173-21kthreadcore09:01:023
339940,0migration/313783-21kthreadcore11:21:003
339940,0migration/312214-21kthreadcore08:31:043
339940,0migration/31065-21kthreadcore08:01:013
29725040,0irq/27-eth0-tx-30104-21munin-node09:31:012
29725040,0irq/27-eth0-tx-0-21swapper/212:13:202
29725040,0irq/27-eth0-tx-0-21swapper/211:25:532
29725040,0irq/27-eth0-tx-0-21swapper/210:50:582
29725040,0irq/27-eth0-tx-0-21swapper/210:26:012
29725040,0irq/27-eth0-tx-0-21swapper/210:10:482
29725040,0irq/27-eth0-tx-0-21swapper/209:50:552
29725040,0irq/27-eth0-tx-0-21swapper/209:17:242
29725040,0irq/27-eth0-tx-0-21swapper/008:11:020
29725040,0irq/27-eth0-tx-0-21swapper/007:41:000
29715040,0irq/26-eth0-rx-0-21swapper/312:00:503
29715040,0irq/26-eth0-rx-0-21swapper/311:41:033
29715040,0irq/26-eth0-rx-0-21swapper/311:16:003
29715040,0irq/26-eth0-rx-0-21swapper/311:11:003
29715040,0irq/26-eth0-rx-0-21swapper/311:01:013
29715040,0irq/26-eth0-rx-0-21swapper/310:56:183
29715040,0irq/26-eth0-rx-0-21swapper/310:45:493
29715040,0irq/26-eth0-rx-0-21swapper/310:40:543
29715040,0irq/26-eth0-rx-0-21swapper/310:31:483
29715040,0irq/26-eth0-rx-0-21swapper/308:35:573
29715040,0irq/26-eth0-rx-0-21swapper/308:26:023
259940,0migration/226769-21kthreadcore07:31:012
259940,0migration/213574-21fschecks_count08:10:562
249940,0watchdog/24980-21latency08:01:032
249940,0watchdog/230877-21grep07:56:032
249940,0watchdog/228382-21irqcore08:45:592
249940,0watchdog/226646-21kthreadcore07:06:032
249940,0watchdog/218919-21sed07:25:592
249940,0watchdog/216616-21kthreadcore07:46:032
249940,0watchdog/215879-21kthreadcore07:21:032
249940,0watchdog/20-21swapper/209:01:032
249940,0watchdog/20-21swapper/208:51:032
233669943,0cyclictest3556-21lldpd08:35:412
233669943,0cyclictest3514-21snmpd12:22:122
233669943,0cyclictest3514-21snmpd08:41:092
233669943,0cyclictest3514-21snmpd08:26:092
233669943,0cyclictest3514-21snmpd08:16:092
233669943,0cyclictest32111-21awk07:36:002
233669943,0cyclictest31105-21awk07:11:002
233669943,0cyclictest27222-21awk08:20:592
233669943,0cyclictest14963-21awk08:35:592
233669940,0cyclictest9598-21cut08:06:022
233659944,0cyclictest0-21swapper/112:15:471
233659944,0cyclictest0-21swapper/111:34:571
233659943,0cyclictest9287-21awk08:56:021
233659943,0cyclictest6085-21grep09:15:591
233659943,0cyclictest3556-21lldpd11:41:141
233659943,0cyclictest3556-21lldpd08:36:121
233659943,0cyclictest3556-21lldpd07:46:121
233659943,0cyclictest3556-21lldpd07:36:421
233659943,0cyclictest3514-21snmpd11:23:411
233659943,0cyclictest3514-21snmpd08:43:241
233659943,0cyclictest3241-21irqbalance09:58:031
233659943,0cyclictest3241-21irqbalance08:06:031
233659943,0cyclictest30766-21awk09:11:001
233659943,0cyclictest30416-21awk10:10:571
233659943,0cyclictest27252-21awk08:20:591
233659943,0cyclictest2691-21sadc11:55:441
233659943,0cyclictest25182-21sadc07:55:441
233659943,0cyclictest1478-21awk08:25:591
233659943,0cyclictest14716-21awk09:40:591
233659943,0cyclictest14580-21awk10:00:591
233659942,0cyclictest3556-21lldpd12:06:441
233649944,0cyclictest0-21swapper/010:51:200
233649944,0cyclictest0-21swapper/009:22:340
233649943,0cyclictest6640-21awk09:16:020
233649943,0cyclictest6052-21awk10:15:590
233649943,0cyclictest5637-21awk10:35:590
233649943,0cyclictest3514-21snmpd12:21:270
233649943,0cyclictest15917-21kworker/0:010:05:590
233649943,0cyclictest0-21swapper/009:06:010
179940,0migration/17340-21kthreadcore11:56:001
179940,0migration/15003-21kthreadcore11:35:591
179940,0migration/130771-21fschecks_time07:10:581
179940,0migration/130135-21kthreadcore12:31:011
179940,0migration/128104-21taskset09:06:431
179940,0migration/125656-21munin-node07:55:561
179940,0migration/124056-21kthreadcore08:16:011
179940,0migration/11894-21kthreadcore10:31:031
179940,0migration/110978-21idleruntime-cro07:20:441
169940,0watchdog/124876-21ssh12:26:181
169940,0watchdog/122449-21perl09:45:581
169940,0watchdog/119800-21ssh11:25:461
169940,0watchdog/118951-21switchtime10:21:061
169940,0watchdog/115761-21kthreadcore12:21:021
169940,0watchdog/114074-21iostat_ios08:10:591
169940,0watchdog/10-21swapper/112:11:061
169940,0watchdog/10-21swapper/111:00:541
169940,0watchdog/10-21swapper/110:51:421
169940,0watchdog/10-21swapper/110:40:581
169940,0watchdog/10-21swapper/110:36:461
169940,0watchdog/10-21swapper/109:31:021
169940,0watchdog/10-21swapper/108:45:591
169940,0watchdog/10-21swapper/108:31:031
169940,0watchdog/10-21swapper/108:01:031
169940,0watchdog/10-21swapper/107:06:031
149940,0migration/07472-21kthreadcore09:35:590
149940,0migration/03856-21irqrtprio12:15:590
149940,0migration/03413-21kthreadcore07:36:020
149940,0migration/031872-21kthreadcore12:11:010
149940,0migration/030732-21irqrtprio10:10:590
149940,0migration/029207-21kthreadcore11:31:000
149940,0migration/028187-21diskmemload09:26:140
149940,0migration/025353-21latency_hist07:55:440
149940,0migration/020285-21sh11:05:460
149940,0migration/019405-21sh10:21:280
149940,0migration/014698-21kthreadcore11:41:010
149940,0migration/013732-21kthreadcore07:21:020
149940,0migration/011850-21sh11:20:470
149940,0migration/011657-21sh10:59:390
29715030,0irq/26-eth0-rx-0-21swapper/308:50:563
29715030,0irq/26-eth0-rx-0-21swapper/308:45:533
29715030,0irq/26-eth0-rx-0-21swapper/308:10:553
29715030,0irq/26-eth0-rx-0-21swapper/308:05:573
233669933,0cyclictest3556-21lldpd07:51:422
233659932,0cyclictest5204-21awk10:55:581
233659932,0cyclictest4741-21awk11:15:581
233659932,0cyclictest30130-21sensors07:31:061
233659932,0cyclictest2478-21awk08:50:591
233649933,0cyclictest15917-21kworker/0:010:30:470
233649933,0cyclictest15917-21kworker/0:010:26:130
233649933,0cyclictest15917-21kworker/0:009:51:060
233649933,0cyclictest0-21swapper/008:56:520
233649932,0cyclictest3961-21awk11:55:580
233649932,0cyclictest28297-21awk08:45:580
233649932,0cyclictest2587-21awk08:51:000
233649932,0cyclictest13299-21grep08:31:090
233649930,0cyclictest0-21swapper/009:41:520
179930,0migration/18099-21kthreadcore07:41:021
179930,0migration/115706-21kthreadcore12:01:001
16607232,0sleep316699-21port_sshpriv07:21:063
169930,0watchdog/127040-21ssh10:46:421
169930,0watchdog/118505-21cut09:01:031
169930,0watchdog/10-21swapper/111:45:461
169930,0watchdog/10-21swapper/111:07:541
169930,0watchdog/10-21swapper/109:35:581
169930,0watchdog/10-21swapper/107:25:591
29715020,0irq/26-eth0-rx-0-21swapper/308:55:483
29715020,0irq/26-eth0-rx-0-21swapper/307:30:563
233669921,0cyclictest0-21swapper/207:15:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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