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2026-02-08 - 05:50
[ 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 Sun Feb 08, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1140623726,0sleep30-21swapper/319:02:433
1142323526,0sleep20-21swapper/219:02:542
549923228,0sleep10-21swapper/118:59:531
1156622824,0sleep00-21swapper/019:04:320
339960,0migration/38377-21sh22:22:473
339960,0migration/37294-21sh22:40:403
339960,0migration/36068-21sh00:21:393
339960,0migration/323273-21latency_hist00:34:393
29715060,0irq/26-eth0-rx-26740-21perl21:34:523
29715060,0irq/26-eth0-rx-25960-21ssh22:54:553
29715060,0irq/26-eth0-rx-25648-21kthreadcore23:34:553
29715060,0irq/26-eth0-rx-23792-21munin-run23:54:393
29715060,0irq/26-eth0-rx-14938-21perl20:19:533
149960,0migration/022638-21sh23:30:330
149960,0migration/016733-21sh22:28:500
149960,0migration/015525-21aten2.4-expect20:44:510
149960,0migration/015478-21sh22:46:090
149960,0migration/014155-21sh00:05:540
116509960,0cyclictest0-21swapper/222:34:142
116509960,0cyclictest0-21swapper/220:34:532
116489965,0cyclictest0-21swapper/100:06:571
116479965,0cyclictest28327-21cut20:04:550
116479965,0cyclictest26213-21tr19:14:560
339950,0migration/39406-21aten_r1power_po22:24:513
339950,0migration/38587-21taskset21:41:553
339950,0migration/36137-21kthreadcore20:34:573
339950,0migration/32548-21kthreadcore19:19:563
339950,0migration/325464-21latency_hist22:14:393
339950,0migration/322062-21kthreadcore21:29:553
339950,0migration/321522-21irqcore19:59:573
339950,0migration/320346-21munin-node19:34:533
339950,0migration/318505-21fschecks_time21:49:513
339950,0migration/317273-21taskset21:08:483
339950,0migration/316295-21fschecks_time00:09:513
339950,0migration/315439-21kthreadcore19:54:563
339950,0migration/314060-21irqrtprio19:29:553
29725050,0irq/27-eth0-tx-9569-21munin-node22:04:582
29725050,0irq/27-eth0-tx-32507-21ssh22:17:132
29725050,0irq/27-eth0-tx-30337-21tr21:14:572
29725050,0irq/27-eth0-tx-2462-21grep21:39:532
29725050,0irq/27-eth0-tx-22045-21munin-node20:49:532
29725050,0irq/27-eth0-tx-16302-21ssh21:06:182
29725050,0irq/27-eth0-tx-15445-21munin-node00:30:002
29725050,0irq/27-eth0-tx-0-21swapper/223:20:032
29725050,0irq/27-eth0-tx-0-21swapper/200:13:152
29715050,0irq/26-eth0-rx-9417-21fschecks_count22:44:513
29715050,0irq/26-eth0-rx-7733-21sh00:04:483
29715050,0irq/26-eth0-rx-28667-21cut22:14:563
29715050,0irq/26-eth0-rx-2689-21cat23:59:563
29715050,0irq/26-eth0-rx-26099-21kthreadcore23:54:563
29715050,0irq/26-eth0-rx-25878-21irqrtprio23:14:553
29715050,0irq/26-eth0-rx-15899-21ssh22:05:293
29715050,0irq/26-eth0-rx-14545-21kthreadcore21:44:563
29715050,0irq/26-eth0-rx-10695-21tune2fs21:24:523
29715050,0irq/26-eth0-rx-0-21swapper/323:47:323
29715050,0irq/26-eth0-rx-0-21swapper/323:42:563
29715050,0irq/26-eth0-rx-0-21swapper/323:24:563
29715050,0irq/26-eth0-rx-0-21swapper/323:21:473
29715050,0irq/26-eth0-rx-0-21swapper/323:11:463
29715050,0irq/26-eth0-rx-0-21swapper/323:05:513
29715050,0irq/26-eth0-rx-0-21swapper/322:52:413
29715050,0irq/26-eth0-rx-0-21swapper/322:34:553
29715050,0irq/26-eth0-rx-0-21swapper/322:00:143
29715050,0irq/26-eth0-rx-0-21swapper/321:54:583
29715050,0irq/26-eth0-rx-0-21swapper/321:19:513
29715050,0irq/26-eth0-rx-0-21swapper/320:54:573
29715050,0irq/26-eth0-rx-0-21swapper/319:09:573
259950,0migration/25410-21kthreadcore22:19:562
259950,0migration/231122-21unixbench-2d19:15:032
259950,0migration/225617-21latency_hist21:54:392
259950,0migration/224515-21kthreadcore19:59:582
259950,0migration/219720-21kthreadcore21:09:562
259950,0migration/219692-21irqcore19:09:552
259950,0migration/216238-21sh21:25:022
259950,0migration/214853-21fschecks_count20:19:532
19150,0ktimersoftd/10-21swapper/100:23:111
179950,0migration/1382-21hwlatdetect23:59:531
179950,0migration/132030-21taskset21:55:071
179950,0migration/130791-21proc_pri19:15:011
179950,0migration/120204-21timerwakeupswit20:20:031
179950,0migration/117030-21sh21:48:071
179950,0migration/111406-21kthreadcore19:24:571
179950,0migration/110140-21idleruntime22:24:541
149950,0migration/08614-21kthreadcore19:24:560
149950,0migration/07399-21taskset20:13:580
149950,0migration/05876-21taskset19:23:340
149950,0migration/05571-21kthreadcore23:19:570
149950,0migration/05222-21taskset23:59:590
149950,0migration/05199-21kthreadcore21:59:560
149950,0migration/04979-21kthreadcore22:59:560
149950,0migration/03191-21kthreadcore21:39:560
149950,0migration/031816-21aten_r1power_en00:19:500
149950,0migration/030791-21kthreadcore20:29:560
149950,0migration/030700-21smart_sda22:55:010
149950,0migration/030200-21ntp_offset23:14:590
149950,0migration/029588-21kthreadcore21:14:560
149950,0migration/027777-21kthreadcore21:34:560
149950,0migration/02363-21kthreadcore23:39:550
149950,0migration/023338-21unixbench_multi22:30:040
149950,0migration/020794-21kthreadcore23:49:550
149950,0migration/020322-21kthreadcore21:09:560
149950,0migration/019662-21timerwakeupswit19:55:030
149950,0migration/01859-21pmu-power20:55:000
149950,0migration/018507-21munin-node22:09:550
149950,0migration/016166-21taskset23:09:080
149950,0migration/015026-21fschecks_time20:19:530
149950,0migration/011776-21kthreadcore21:24:550
116509955,0cyclictest0-21swapper/222:51:252
116509955,0cyclictest0-21swapper/222:48:252
116509955,0cyclictest0-21swapper/220:59:572
116509950,0cyclictest0-21swapper/223:43:262
116509950,0cyclictest0-21swapper/223:14:162
116509950,0cyclictest0-21swapper/219:40:202
116489955,0cyclictest0-21swapper/123:39:501
116489955,0cyclictest0-21swapper/122:43:231
116489955,0cyclictest0-21swapper/121:49:561
116489950,0cyclictest0-21swapper/123:36:501
116489950,0cyclictest0-21swapper/121:37:481
116489950,0cyclictest0-21swapper/121:25:491
116479950,0cyclictest0-21swapper/023:26:450
339940,0migration/39369-21taskset21:03:003
339940,0migration/36526-21kthreadcore20:09:563
339940,0migration/327177-21taskset20:26:303
339940,0migration/317295-21kthreadcore20:44:563
29725040,0irq/27-eth0-tx-18123-21munin-node21:29:562
29725040,0irq/27-eth0-tx-13795-21munin-node19:54:592
29725040,0irq/27-eth0-tx-0-21swapper/223:59:412
29725040,0irq/27-eth0-tx-0-21swapper/223:54:402
29725040,0irq/27-eth0-tx-0-21swapper/223:44:552
29725040,0irq/27-eth0-tx-0-21swapper/223:34:502
29725040,0irq/27-eth0-tx-0-21swapper/223:30:302
29725040,0irq/27-eth0-tx-0-21swapper/223:14:392
29725040,0irq/27-eth0-tx-0-21swapper/223:04:542
29725040,0irq/27-eth0-tx-0-21swapper/222:59:492
29725040,0irq/27-eth0-tx-0-21swapper/222:39:502
29725040,0irq/27-eth0-tx-0-21swapper/222:36:032
29725040,0irq/27-eth0-tx-0-21swapper/221:59:452
29725040,0irq/27-eth0-tx-0-21swapper/221:54:412
29725040,0irq/27-eth0-tx-0-21swapper/221:44:392
29725040,0irq/27-eth0-tx-0-21swapper/200:19:452
29725040,0irq/27-eth0-tx-0-21swapper/200:14:442
29715040,0irq/26-eth0-rx-0-21swapper/323:30:113
29715040,0irq/26-eth0-rx-0-21swapper/323:00:143
29715040,0irq/26-eth0-rx-0-21swapper/322:30:203
29715040,0irq/26-eth0-rx-0-21swapper/321:14:573
29715040,0irq/26-eth0-rx-0-21swapper/321:09:563
29715040,0irq/26-eth0-rx-0-21swapper/320:04:503
29715040,0irq/26-eth0-rx-0-21swapper/319:44:563
29715040,0irq/26-eth0-rx-0-21swapper/319:43:423
29715040,0irq/26-eth0-rx-0-21swapper/319:04:523
29715040,0irq/26-eth0-rx-0-21swapper/300:24:563
29715040,0irq/26-eth0-rx-0-21swapper/300:14:413
259940,0migration/27859-21gltestperf19:49:532
259940,0migration/232023-21kthreadcore20:04:572
259940,0migration/23131-21kthreadcore19:44:562
259940,0migration/230396-21kthreadcore20:54:562
259940,0migration/228687-21kthreadcore21:34:562
259940,0migration/22105-21fschecks_time20:09:522
259940,0migration/220684-21kthreadcore23:49:552
259940,0migration/22025-21cpuspeed_turbos21:19:502
259940,0migration/219074-21kthreadcore20:44:572
259940,0migration/21637-21runrttasks20:34:052
259940,0migration/215624-21kthreadcore19:04:572
259940,0migration/212027-21kthreadcore00:04:542
259940,0migration/211619-21kthreadcore20:14:562
259940,0migration/211047-21kthreadcore19:24:572
259940,0migration/210594-21kthreadcore00:24:562
249940,0watchdog/221406-21kthreadcore22:09:572
249940,0watchdog/20-21swapper/222:54:412
249940,0watchdog/20-21swapper/222:24:572
179940,0migration/19324-21sh21:44:041
179940,0migration/16981-21kthreadcore21:19:561
179940,0migration/1679-21latency_hist22:39:391
179940,0migration/126813-21taskset20:03:261
179940,0migration/124667-21kthreadcore20:49:551
179940,0migration/121551-21switchtime00:10:011
179940,0migration/119851-21kernelversion19:09:551
179940,0migration/118304-21kthreadcore22:49:561
179940,0migration/112712-21kthreadcore21:04:561
179940,0migration/110421-21kthreadcore00:24:561
169940,0watchdog/18554-21if_err_eth120:14:541
169940,0watchdog/17875-21ssh22:21:171
169940,0watchdog/129380-21ssh23:54:571
169940,0watchdog/121451-21cut20:24:541
169940,0watchdog/118240-21perl22:09:531
169940,0watchdog/117266-21ssh22:29:451
169940,0watchdog/113182-21kthreadcore23:24:571
169940,0watchdog/10-21swapper/122:59:411
169940,0watchdog/10-21swapper/122:56:171
169940,0watchdog/10-21swapper/121:29:491
149940,0migration/08892-21irqrtprio20:14:550
149940,0migration/08174-21ksmtuned20:36:160
149940,0migration/0577-21runrttasks22:18:460
149940,0migration/027877-21timerwakeupswit20:50:010
149940,0migration/027165-21kthreadcore22:34:540
149940,0migration/025357-21kthreadcore19:59:590
149940,0migration/016773-21irqcore00:09:540
116509943,0cyclictest9274-21awk23:24:552
116509943,0cyclictest32752-21awk19:19:542
116509943,0cyclictest19275-21sadc19:34:402
116509943,0cyclictest15134-21sadc20:44:392
116489944,0cyclictest9530-21diskmemload21:18:531
116489944,0cyclictest0-21swapper/123:21:041
116489944,0cyclictest0-21swapper/123:04:501
116489943,0cyclictest9301-21sadc22:04:391
116489943,0cyclictest5095-21ps20:34:571
116489943,0cyclictest3556-21lldpd22:47:351
116489943,0cyclictest3514-21snmpd22:09:011
116489943,0cyclictest3514-21snmpd21:04:011
116489943,0cyclictest3514-21snmpd20:56:011
116489943,0cyclictest3514-21snmpd20:05:311
116489943,0cyclictest3514-21snmpd19:57:011
116489943,0cyclictest3514-21snmpd00:16:311
116489943,0cyclictest3241-21irqbalance21:10:081
116489943,0cyclictest23782-21sadc23:54:391
116489943,0cyclictest16299-21awk00:29:531
116489943,0cyclictest15129-21crond20:44:391
116479944,0cyclictest0-21swapper/022:42:180
116479943,0cyclictest3556-21lldpd23:58:050
116479943,0cyclictest3514-21snmpd21:48:160
116479943,0cyclictest3514-21snmpd20:39:460
116479943,0cyclictest3514-21snmpd19:35:460
116479943,0cyclictest32558-21sadc19:44:400
116479943,0cyclictest3241-21irqbalance23:34:570
116479943,0cyclictest3241-21irqbalance21:05:180
116479943,0cyclictest3241-21irqbalance00:24:470
116479943,0cyclictest3241-21irqbalance00:15:570
116479943,0cyclictest2143-21awk22:19:540
116479943,0cyclictest18697-21awk21:49:520
116479943,0cyclictest17638-21awk23:09:550
339930,0migration/322440-21runrttasks20:49:513
29715030,0irq/26-eth0-rx-0-21swapper/320:19:323
29715030,0irq/26-eth0-rx-0-21swapper/319:24:553
29715030,0irq/26-eth0-rx-0-21swapper/319:14:523
249930,0watchdog/20-21swapper/220:24:582
169930,0watchdog/17921-21hddtemp_smartct19:49:541
169930,0watchdog/120514-21ps19:34:541
169930,0watchdog/10-21swapper/120:44:581
169930,0watchdog/10-21swapper/119:30:021
169930,0watchdog/10-21swapper/119:04:541
116509933,0cyclictest20390-21awk19:34:532
116489933,0cyclictest27092-21awk19:39:541
116489933,0cyclictest25472-21awk23:14:541
116489933,0cyclictest0-21swapper/123:30:501
116489932,0cyclictest600-21needreboot20:29:581
116489932,0cyclictest30458-21kthreadcore22:14:571
116489932,0cyclictest2292-21awk20:09:531
116489932,0cyclictest1220-21awk19:44:541
116489930,0cyclictest8575-21tune2fs23:44:501
116489930,0cyclictest20205-21grep23:09:561
116479933,0cyclictest18118-21kworker/0:222:49:500
116479933,0cyclictest18118-21kworker/0:222:04:480
116479933,0cyclictest18118-21kworker/0:221:54:490
116479933,0cyclictest18118-21kworker/0:221:30:150
116479933,0cyclictest18118-21kworker/0:221:00:010
116479933,0cyclictest18118-21kworker/0:219:49:530
116479933,0cyclictest18118-21kworker/0:219:48:370
116479933,0cyclictest18118-21kworker/0:219:29:510
116479933,0cyclictest18118-21kworker/0:200:29:400
116479933,0cyclictest12729-21awk19:04:540
116479932,0cyclictest7456-21open_files21:19:580
116479932,0cyclictest21997-21awk20:24:560
116479932,0cyclictest21826-21kthreadcore19:09:560
116479930,0cyclictest0-21swapper/023:44:540
29715020,0irq/26-eth0-rx-0-21swapper/320:39:473
29715020,0irq/26-eth0-rx-0-21swapper/320:29:473
29715020,0irq/26-eth0-rx-0-21swapper/319:50:063
116489920,0cyclictest0-21swapper/119:19:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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