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2026-01-18 - 16:16
[ 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 Jan 18, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191840,0ktimersoftd/118172-21perf07:06:261
2471723626,0sleep20-21swapper/207:06:072
2442023625,0sleep30-21swapper/307:02:403
2439323623,0sleep00-21swapper/007:02:210
339960,0migration/327818-21sh09:57:393
339960,0migration/320116-21sh09:32:523
339960,0migration/317284-21munin-node11:51:543
339960,0migration/311577-21sh09:27:003
339960,0migration/310755-21pmu-power10:06:543
29715060,0irq/26-eth0-rx-22864-21tr09:16:523
29715060,0irq/26-eth0-rx-0-21swapper/310:21:583
248299965,0cyclictest0-21swapper/111:31:561
248289965,0cyclictest19154-21ssh11:55:570
149960,0migration/028021-21sh09:18:170
8215050,0irq/24-0000:00:19579-21cat11:56:352
339950,0migration/39922-21kthreadcore10:46:523
339950,0migration/36966-21taskset07:42:193
339950,0migration/36526-21kthreadcore09:06:493
339950,0migration/35003-21kthreadcore12:26:493
339950,0migration/33561-21aten_r1power_en08:36:463
339950,0migration/326787-21kthreadcore08:56:533
339950,0migration/325162-21kthreadcore09:36:543
339950,0migration/325021-21kthreadcore08:26:533
339950,0migration/322918-21kthreadcore11:56:513
339950,0migration/320203-21munin-node07:56:493
339950,0migration/319719-21taskset10:33:563
339950,0migration/318227-21munin-node11:32:033
339950,0migration/314500-21irqcore09:51:513
339950,0migration/314439-21kthreadcore12:31:523
339950,0migration/313807-21taskset07:49:273
339950,0migration/31316-21taskset12:22:563
339950,0migration/312165-21taskset07:18:493
29725050,0irq/27-eth0-tx-4015-21ssh09:43:352
29725050,0irq/27-eth0-tx-3539-21ssh10:02:572
29725050,0irq/27-eth0-tx-29546-21munin-node09:21:512
29725050,0irq/27-eth0-tx-21407-21munin-node09:56:542
29725050,0irq/27-eth0-tx-21341-21munin-node09:16:472
29725050,0irq/27-eth0-tx-0-21swapper/212:05:212
29725050,0irq/27-eth0-tx-0-21swapper/211:23:422
29725050,0irq/27-eth0-tx-0-21swapper/210:53:422
29725050,0irq/27-eth0-tx-0-21swapper/210:27:402
29725050,0irq/27-eth0-tx-0-21swapper/210:07:182
29725050,0irq/27-eth0-tx-0-21swapper/209:28:312
29725050,0irq/27-eth0-tx-0-21swapper/007:21:460
29715050,0irq/26-eth0-rx-29454-21munin-node10:01:533
29715050,0irq/26-eth0-rx-22002-21if_err_eth010:16:493
29715050,0irq/26-eth0-rx-21864-21irqcore10:56:503
29715050,0irq/26-eth0-rx-15561-21ps11:11:493
29715050,0irq/26-eth0-rx-13785-21fschecks_time09:11:493
29715050,0irq/26-eth0-rx-0-21swapper/312:11:523
29715050,0irq/26-eth0-rx-0-21swapper/312:04:543
29715050,0irq/26-eth0-rx-0-21swapper/311:37:503
29715050,0irq/26-eth0-rx-0-21swapper/311:16:503
29715050,0irq/26-eth0-rx-0-21swapper/310:53:153
29715050,0irq/26-eth0-rx-0-21swapper/310:44:313
29715050,0irq/26-eth0-rx-0-21swapper/310:36:533
29715050,0irq/26-eth0-rx-0-21swapper/310:12:023
29715050,0irq/26-eth0-rx-0-21swapper/309:47:463
29715050,0irq/26-eth0-rx-0-21swapper/309:21:463
259950,0migration/24341-21munin-node08:36:492
259950,0migration/224908-21kthreadcore11:36:522
259950,0migration/22113-21sh11:43:012
259950,0migration/219886-21sh09:32:142
259950,0migration/219456-21sh11:14:372
259950,0migration/218930-21sh11:34:042
259950,0migration/218861-21sh11:55:072
259950,0migration/213034-21munin-node07:21:472
248309955,0cyclictest0-21swapper/210:43:112
248309950,0cyclictest0-21swapper/211:16:372
248309950,0cyclictest0-21swapper/209:38:332
248299955,0cyclictest4928-21diskmemload09:40:101
248299955,0cyclictest4928-21diskmemload09:09:341
248299950,0cyclictest0-21swapper/111:01:121
248299950,0cyclictest0-21swapper/109:57:301
248299950,0cyclictest0-21swapper/109:47:061
248289955,0cyclictest0-21swapper/010:29:340
248289950,0cyclictest0-21swapper/009:52:020
249950,0watchdog/226678-21ls10:56:572
19150,0ktimersoftd/10-21swapper/110:09:481
179950,0migration/14295-21timerandwakeup09:01:581
179950,0migration/128527-21idleruntime12:01:491
179950,0migration/124862-21kthreadcore11:16:511
179950,0migration/119678-21sh11:15:171
179950,0migration/118693-21ntp_kernel_pll_10:11:551
179950,0migration/111672-21kthreadcore07:46:481
179950,0migration/110656-21munin-node08:41:471
169950,0watchdog/126053-21kthreadcore08:26:531
169950,0watchdog/115407-21cut10:31:531
149950,0migration/08751-21smart_sdb12:26:540
149950,0migration/06735-21gltestperf07:16:480
149950,0migration/06695-21kthreadcore11:06:520
149950,0migration/05717-21taskset07:16:230
149950,0migration/05339-21munin-node10:06:450
149950,0migration/03403-21taskset10:43:530
149950,0migration/031406-21kthreadcore12:01:520
149950,0migration/030561-21kthreadcore12:21:510
149950,0migration/030485-21kernelversion10:21:510
149950,0migration/029490-21aten_r1power_en10:01:460
149950,0migration/028150-21taskset10:19:270
149950,0migration/026498-21kthreadcore07:06:520
149950,0migration/025771-21kthreadcore08:56:530
149950,0migration/023781-21kthreadcore09:36:530
149950,0migration/020917-21kthreadcore07:26:530
149950,0migration/020589-21taskset09:34:140
149950,0migration/018456-21kthreadcore09:11:540
149950,0migration/018442-21sh11:32:370
149950,0migration/017871-21sh12:34:130
149950,0migration/017230-21munin-node08:21:500
149950,0migration/015175-21kthreadcore11:11:490
149950,0migration/014117-21kthreadcore08:41:510
149950,0migration/013084-21latency_hist10:11:350
149950,0migration/011862-21latency_hist11:31:350
149950,0migration/011501-21munin-node09:46:570
149950,0migration/011429-40yum-updatesd10:48:460
149950,0migration/011107-21processes09:26:560
339940,0migration/39207-21kthreadcore11:06:533
339940,0migration/36653-21kthreadcore11:26:513
339940,0migration/35691-21kthreadcore08:11:523
339940,0migration/331949-21kthreadcore11:21:523
339940,0migration/317963-21kthreadcore08:21:503
339940,0migration/311910-21kthreadcore08:16:513
29725040,0irq/27-eth0-tx-3247-21munin-node12:06:472
29725040,0irq/27-eth0-tx-2955-21aten_r1power_po12:26:442
29725040,0irq/27-eth0-tx-26490-21ssh10:36:552
29725040,0irq/27-eth0-tx-19292-21munin-node12:16:562
29725040,0irq/27-eth0-tx-0-21swapper/212:11:422
29725040,0irq/27-eth0-tx-0-21swapper/211:46:552
29725040,0irq/27-eth0-tx-0-21swapper/211:06:402
29725040,0irq/27-eth0-tx-0-21swapper/210:47:292
29725040,0irq/27-eth0-tx-0-21swapper/210:16:432
29725040,0irq/27-eth0-tx-0-21swapper/209:51:532
29725040,0irq/27-eth0-tx-0-21swapper/008:36:480
29715040,0irq/26-eth0-rx-0-21swapper/312:16:533
29715040,0irq/26-eth0-rx-0-21swapper/312:09:083
29715040,0irq/26-eth0-rx-0-21swapper/311:49:123
29715040,0irq/26-eth0-rx-0-21swapper/311:43:253
29715040,0irq/26-eth0-rx-0-21swapper/311:03:163
29715040,0irq/26-eth0-rx-0-21swapper/310:26:493
29715040,0irq/26-eth0-rx-0-21swapper/309:41:553
29715040,0irq/26-eth0-rx-0-21swapper/308:33:323
29715040,0irq/26-eth0-rx-0-21swapper/307:36:463
259940,0migration/2964-21kthreadcore11:01:522
259940,0migration/28070-21kthreadcore09:46:502
259940,0migration/230067-21kthreadcore12:21:512
259940,0migration/229261-21aten_r1power_fr10:21:462
259940,0migration/226512-21kthreadcore08:26:542
259940,0migration/225104-21aten_r1power_en07:06:472
259940,0migration/21913-21kthreadcore09:01:522
259940,0migration/217556-21kthreadcore09:11:532
259940,0migration/217022-21kthreadcore10:11:532
248309944,0cyclictest0-21swapper/209:07:112
248309943,0cyclictest6538-21cut07:16:472
248309943,0cyclictest3514-21snmpd08:42:492
248309943,0cyclictest3514-21snmpd08:35:042
248309943,0cyclictest3504-21awk08:11:502
248309943,0cyclictest3241-21irqbalance12:31:432
248309943,0cyclictest3241-21irqbalance11:26:432
248309943,0cyclictest3241-21irqbalance08:56:542
248309943,0cyclictest20133-21awk07:26:512
248309943,0cyclictest16858-21awk08:21:492
248309943,0cyclictest12914-21munin-node10:31:582
248299944,0cyclictest0-21swapper/111:51:481
248299943,0cyclictest5526-21awk10:46:491
248299943,0cyclictest4401-21awk08:36:501
248299943,0cyclictest3531-21awk08:11:501
248299943,0cyclictest3514-21snmpd12:31:351
248299943,0cyclictest3514-21snmpd12:07:201
248299943,0cyclictest3514-21snmpd08:33:341
248299943,0cyclictest3241-21irqbalance10:41:531
248299943,0cyclictest29632-21awk11:01:491
248299943,0cyclictest28243-21awk12:21:491
248299943,0cyclictest16906-21awk08:21:491
248299943,0cyclictest13619-21awk10:51:491
248299943,0cyclictest13524-21awk07:21:491
248299943,0cyclictest12190-21awk12:11:501
248299940,0cyclictest23165-21munin-node08:51:521
248289944,0cyclictest0-21swapper/011:42:430
248289944,0cyclictest0-21swapper/011:00:180
248289944,0cyclictest0-21swapper/010:55:150
248289943,0cyclictest3556-21lldpd08:17:120
248289943,0cyclictest3514-21snmpd11:51:200
248289943,0cyclictest3514-21snmpd07:42:340
248289943,0cyclictest3385-21awk08:11:490
248289943,0cyclictest30048-21awk08:31:490
248289943,0cyclictest29295-21awk11:21:500
248289943,0cyclictest29266-21ps08:06:510
248289943,0cyclictest22465-21awk08:01:510
248289943,0cyclictest20647-21sadc10:36:350
248289943,0cyclictest18464-21awk08:51:460
248289943,0cyclictest15753-21awk07:56:460
248289943,0cyclictest1122-21awk07:36:500
248289940,0cyclictest0-21swapper/009:06:500
249940,0watchdog/214254-21chrt07:52:022
19140,0ktimersoftd/10-21swapper/112:20:111
179940,0migration/17495-21kthreadcore11:06:531
179940,0migration/17202-21kthreadcore12:26:501
179940,0migration/14731-21latency_hist10:26:351
179940,0migration/131819-21kthreadcore09:21:511
179940,0migration/131817-21aten_r1power_po07:11:451
179940,0migration/131461-21turbostat07:11:361
179940,0migration/129873-21kthreadcore11:41:501
179940,0migration/129824-21smart_sda08:56:581
179940,0migration/129748-21aten_r1power_en09:41:451
179940,0migration/126325-21latency10:36:531
179940,0migration/123474-21kthreadcore11:36:511
179940,0migration/123438-21kthreadcore10:16:511
179940,0migration/120710-21kthreadcore07:26:531
179940,0migration/120443-21runrttasks09:33:481
179940,0migration/119535-21kthreadcore07:56:481
179940,0migration/11586-21munin-node11:21:551
179940,0migration/112550-21taskset09:29:291
179940,0migration/110769-21taskset11:28:361
169940,0watchdog/13521-21ssh10:02:531
169940,0watchdog/125173-21sh11:56:531
169940,0watchdog/122357-21smartctl08:01:501
169940,0watchdog/117562-21cut09:11:531
169940,0watchdog/110968-21ssh11:50:211
169940,0watchdog/10-21swapper/109:16:531
149940,0migration/09951-21kthreadcore07:46:480
149940,0migration/029148-21kthreadcore07:31:520
149940,0migration/027794-21sh11:20:390
149940,0migration/027210-21sh09:56:550
149940,0migration/025836-21sensors_temp11:36:560
149940,0migration/020270-21fschecks_time11:56:470
29715030,0irq/26-eth0-rx-0-21swapper/308:53:363
29715030,0irq/26-eth0-rx-0-21swapper/308:44:203
29715030,0irq/26-eth0-rx-0-21swapper/308:08:223
29715030,0irq/26-eth0-rx-0-21swapper/308:01:473
29715030,0irq/26-eth0-rx-0-21swapper/307:31:463
29715030,0irq/26-eth0-rx-0-21swapper/307:26:483
29715030,0irq/26-eth0-rx-0-21swapper/307:21:473
29715030,0irq/26-eth0-rx-0-21swapper/307:06:473
27130,0ktimersoftd/20-21swapper/207:48:302
259930,0migration/232449-21latency_hist07:36:352
248309933,0cyclictest3556-21lldpd07:42:132
248309932,0cyclictest5127-21timerwakeupswit07:11:562
248309932,0cyclictest3514-21snmpd07:58:262
248309932,0cyclictest32578-21munin-node07:36:472
248309932,0cyclictest29121-21if_err_eth1.208:06:502
248309932,0cyclictest22147-21fschecks_time08:01:492
248309932,0cyclictest18512-21awk08:51:462
248309932,0cyclictest10092-21awk08:16:492
248299932,0cyclictest3514-21snmpd07:44:491
248299932,0cyclictest3241-21irqbalance07:16:541
248299932,0cyclictest30060-21if_err_eth1.310:21:501
248299932,0cyclictest1049-21awk07:36:491
248299930,0cyclictest10076-21cat08:16:491
248289933,0cyclictest5844-21kworker/0:212:11:520
248289933,0cyclictest5844-21kworker/0:212:07:000
248289933,0cyclictest5844-21kworker/0:210:36:520
248289933,0cyclictest5844-21kworker/0:209:41:420
248289933,0cyclictest5844-21kworker/0:209:21:460
248289933,0cyclictest5844-21kworker/0:209:01:460
248289933,0cyclictest5844-21kworker/0:208:47:090
248289933,0cyclictest5844-21kworker/0:207:51:410
248289932,0cyclictest3514-21snmpd11:01:500
248289932,0cyclictest22965-21kthreadcore12:16:510
248289930,0cyclictest22953-21df_abs08:26:490
169930,0watchdog/118752-21latency09:51:531
169930,0watchdog/10-21swapper/107:52:021
169930,0watchdog/10-21swapper/107:31:501
29715020,0irq/26-eth0-rx-0-21swapper/309:01:383
29715020,0irq/26-eth0-rx-0-21swapper/308:46:573
29715020,0irq/26-eth0-rx-0-21swapper/307:52:443
29715020,0irq/26-eth0-rx-0-21swapper/307:11:453
248309921,0cyclictest0-21swapper/208:46:352
248299921,0cyclictest28373-21aten_r1power_po08:06:471
169920,0watchdog/10-21swapper/108:46:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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