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2026-01-19 - 17:39
[ 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 Mon Jan 19, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2943025352,0sleep00-21swapper/007:01:560
2980424940,0sleep30-21swapper/307:06:193
2352123624,0sleep20-21swapper/207:01:422
2957523524,0sleep10-21swapper/107:03:411
298929970,0cyclictest7316-21munin-node08:26:512
298929970,0cyclictest7316-21munin-node08:26:512
339960,0migration/37894-21sh12:33:493
339960,0migration/327238-21taskset09:44:373
339960,0migration/325379-21sendmail_mailqu10:21:513
339960,0migration/319384-21sh09:20:043
339960,0migration/318649-21sh11:01:283
298929965,0cyclictest26996-21ps12:06:452
298899960,0cyclictest0-21swapper/012:11:410
29715060,0irq/26-eth0-rx-4235-21df_inode09:51:423
29715060,0irq/26-eth0-rx-29233-21iostat09:06:443
29715060,0irq/26-eth0-rx-23963-21ssh12:22:573
29715060,0irq/26-eth0-rx-23724-21tr11:01:473
29715060,0irq/26-eth0-rx-12302-21tr12:16:453
29715060,0irq/26-eth0-rx-0-21swapper/311:58:213
29715060,0irq/26-eth0-rx-0-21swapper/309:40:283
149960,0migration/026371-21sh11:05:460
149960,0migration/026025-21sh11:25:490
149960,0migration/024919-21sh12:25:470
149960,0migration/01907-21latency_hist11:31:290
149960,0migration/015765-21timerandwakeup11:56:530
339950,0migration/38357-21munin-node10:51:473
339950,0migration/36921-21missed_timers08:46:473
339950,0migration/35131-21kthreadcore10:31:463
339950,0migration/34996-21kthreadcore12:11:443
339950,0migration/3490-21kthreadcore10:06:463
339950,0migration/34632-21munin-node10:11:453
339950,0migration/33616-21kthreadcore08:21:463
339950,0migration/33509-21kthreadcore11:51:453
339950,0migration/332598-21fschecks_time07:56:423
339950,0migration/327856-21munin-node11:06:453
339950,0migration/326849-21fschecks_time11:46:423
339950,0migration/326547-21runrttasks10:45:073
339950,0migration/325907-21fschecks_count12:26:423
339950,0migration/323347-21kthreadcore09:01:453
339950,0migration/322686-21kthreadcore12:01:473
339950,0migration/320773-21irqcore08:11:453
339950,0migration/32067-21sh09:47:253
339950,0migration/319205-21runrttasks10:00:183
339950,0migration/317649-21timerwakeupswit10:16:513
339950,0migration/315201-21kthreadcore08:06:463
339950,0migration/313453-21taskset08:28:143
339950,0migration/313453-21taskset08:28:143
339950,0migration/311852-21kthreadcore11:36:453
339950,0migration/311422-21kthreadcore08:01:473
298929955,0cyclictest0-21swapper/208:16:552
298929955,0cyclictest0-21swapper/207:41:462
298929950,0cyclictest0-21swapper/212:32:292
298929950,0cyclictest0-21swapper/211:01:312
298909955,0cyclictest0-21swapper/112:01:261
298909955,0cyclictest0-21swapper/111:47:341
298909954,0cyclictest3514-21snmpd11:18:251
298909950,0cyclictest0-21swapper/111:32:351
298909950,0cyclictest0-21swapper/111:29:541
298909950,0cyclictest0-21swapper/110:04:081
298899950,0cyclictest0-21swapper/012:09:280
29725050,0irq/27-eth0-tx-9036-21ssh11:54:572
29725050,0irq/27-eth0-tx-8003-21ssh11:11:492
29725050,0irq/27-eth0-tx-6994-21kthreadcore09:51:472
29725050,0irq/27-eth0-tx-4112-21cpuspeed_turbos09:11:432
29725050,0irq/27-eth0-tx-2836-21ssh10:10:162
29725050,0irq/27-eth0-tx-26624-21ssh09:42:492
29725050,0irq/27-eth0-tx-20142-21cpuspeed_turbos10:01:412
29725050,0irq/27-eth0-tx-19505-21kthreadcore11:41:462
29725050,0irq/27-eth0-tx-17740-21ssh10:58:472
29725050,0irq/27-eth0-tx-16873-21munin-node10:36:492
29725050,0irq/27-eth0-tx-0-21swapper/212:22:362
29725050,0irq/27-eth0-tx-0-21swapper/211:26:512
29725050,0irq/27-eth0-tx-0-21swapper/211:06:342
29725050,0irq/27-eth0-tx-0-21swapper/210:22:032
29725050,0irq/27-eth0-tx-0-21swapper/209:48:052
29725050,0irq/27-eth0-tx-0-21swapper/209:21:512
29725050,0irq/27-eth0-tx-0-21swapper/209:10:092
29725050,0irq/27-eth0-tx-0-21swapper/009:06:450
29725050,0irq/27-eth0-tx-0-21swapper/008:51:480
29725050,0irq/27-eth0-tx-0-21swapper/008:09:070
29725050,0irq/27-eth0-tx-0-21swapper/007:21:420
29725050,0irq/27-eth0-tx-0-21swapper/007:16:410
29715050,0irq/26-eth0-rx-3086-21cut11:11:443
29715050,0irq/26-eth0-rx-29103-21expr09:26:433
29715050,0irq/26-eth0-rx-24335-21smartctl11:21:513
29715050,0irq/26-eth0-rx-21167-21if_eth1.309:21:453
29715050,0irq/26-eth0-rx-1638-21ssh10:48:403
29715050,0irq/26-eth0-rx-14266-21cut11:16:473
29715050,0irq/26-eth0-rx-0-21swapper/311:43:353
29715050,0irq/26-eth0-rx-0-21swapper/311:26:463
29715050,0irq/26-eth0-rx-0-21swapper/310:40:353
29715050,0irq/26-eth0-rx-0-21swapper/310:04:543
29715050,0irq/26-eth0-rx-0-21swapper/309:16:283
29715050,0irq/26-eth0-rx-0-21swapper/308:56:473
29715050,0irq/26-eth0-rx-0-21swapper/307:16:463
259950,0migration/29030-21mdstat10:11:472
259950,0migration/226256-21munin-node08:36:502
249950,0watchdog/220259-21cut08:56:482
249950,0watchdog/212476-21kthreadcore08:51:482
249950,0watchdog/211154-21kernelversion11:56:472
149950,0migration/09895-21sh09:31:500
149950,0migration/08489-21munin-node08:26:460
149950,0migration/08489-21munin-node08:26:460
149950,0migration/05800-21kthreadcore09:51:460
149950,0migration/05268-21latency_hist07:36:300
149950,0migration/04392-21latency_hist07:11:300
149950,0migration/03577-21fschecks_time10:51:410
149950,0migration/031290-21kthreadcore10:26:460
149950,0migration/02943-21kthreadcore12:31:450
149950,0migration/027908-21kthreadcore12:26:460
149950,0migration/027326-21irqcore08:16:440
149950,0migration/026211-21aten_r1power_cu11:46:390
149950,0migration/02592-21irqcore08:46:450
149950,0migration/020012-21runrttasks07:46:460
149950,0migration/018954-21sh11:41:430
149950,0migration/018883-21kthreadcore08:56:460
149950,0migration/018779-21if_eth012:01:440
149950,0migration/015686-21kthreadcore10:16:460
149950,0migration/014469-21kthreadcore09:56:460
149950,0migration/01273-21kthreadcore07:31:450
339940,0migration/38438-21kthreadcore07:36:463
339940,0migration/330453-21kthreadcore08:16:463
339940,0migration/330383-21kthreadcore08:41:453
339940,0migration/328111-21kthreadcore12:06:463
339940,0migration/323698-21kthreadcore08:36:463
298929944,0cyclictest0-21swapper/208:01:562
298929943,0cyclictest6210-21awk07:36:442
298929943,0cyclictest3556-21lldpd07:49:242
298929943,0cyclictest3514-21snmpd09:26:392
298929943,0cyclictest3514-21snmpd08:41:392
298929943,0cyclictest3514-21snmpd08:32:542
298929943,0cyclictest3514-21snmpd08:06:392
298929943,0cyclictest3241-21irqbalance11:16:372
298929943,0cyclictest3241-21irqbalance10:41:372
298929943,0cyclictest31924-21awk07:31:432
298929943,0cyclictest26297-21awk12:26:432
298929943,0cyclictest26203-21awk07:51:452
298929943,0cyclictest1427-21awk08:21:442
298929943,0cyclictest10335-21awk12:16:432
298929940,0cyclictest17861-21munin-node12:01:422
298909944,0cyclictest0-21swapper/109:43:201
298909943,0cyclictest8199-21awk08:26:441
298909943,0cyclictest8199-21awk08:26:441
298909943,0cyclictest4970-21awk09:31:431
298909943,0cyclictest4811-21awk09:51:451
298909943,0cyclictest4478-21awk10:11:441
298909943,0cyclictest3556-21lldpd12:26:561
298909943,0cyclictest3556-21lldpd09:36:541
298909943,0cyclictest3556-21lldpd09:08:541
298909943,0cyclictest3556-21lldpd07:49:541
298909943,0cyclictest3514-21snmpd12:17:261
298909943,0cyclictest3514-21snmpd12:07:261
298909943,0cyclictest3514-21snmpd12:04:411
298909943,0cyclictest3514-21snmpd11:22:101
298909943,0cyclictest3514-21snmpd10:53:541
298909943,0cyclictest3514-21snmpd10:47:541
298909943,0cyclictest3514-21snmpd10:36:541
298909943,0cyclictest3514-21snmpd10:31:391
298909943,0cyclictest3514-21snmpd09:58:541
298909943,0cyclictest3514-21snmpd08:06:541
298909943,0cyclictest3514-21snmpd07:59:541
298909943,0cyclictest3514-21snmpd07:51:381
298909943,0cyclictest3514-21snmpd07:38:531
298909943,0cyclictest3514-21snmpd07:24:531
298909943,0cyclictest3241-21irqbalance12:14:571
298909943,0cyclictest3241-21irqbalance09:18:381
298909943,0cyclictest3241-21irqbalance08:46:481
298909943,0cyclictest3241-21irqbalance08:42:281
298909943,0cyclictest29124-21awk09:46:451
298909943,0cyclictest28866-21awk10:06:441
298909943,0cyclictest22429-21awk09:01:431
298909943,0cyclictest20561-21awk10:21:441
298909943,0cyclictest12004-21awk07:16:441
298909943,0cyclictest11817-21awk10:56:431
298899944,0cyclictest0-21swapper/010:36:470
298899943,0cyclictest9959-21sadc11:36:290
298899943,0cyclictest7087-21sadc08:26:300
298899943,0cyclictest3556-21lldpd11:53:260
298899943,0cyclictest3514-21snmpd10:49:540
298899943,0cyclictest3514-21snmpd08:32:090
298899943,0cyclictest3241-21irqbalance10:32:070
298899943,0cyclictest3241-21irqbalance10:26:080
298899943,0cyclictest3241-21irqbalance07:56:480
298899943,0cyclictest3241-21irqbalance07:51:480
298899943,0cyclictest28151-21awk08:41:430
298899943,0cyclictest21086-21awk09:21:440
298899943,0cyclictest20222-21awk10:41:450
298899943,0cyclictest11355-21sadc10:16:290
298899943,0cyclictest10304-21awk12:16:430
298899940,0cyclictest0-21swapper/010:58:040
29725040,0irq/27-eth0-tx-17995-21ssh10:17:222
29725040,0irq/27-eth0-tx-0-21swapper/211:46:402
29725040,0irq/27-eth0-tx-0-21swapper/211:36:532
29725040,0irq/27-eth0-tx-0-21swapper/211:31:332
29725040,0irq/27-eth0-tx-0-21swapper/211:21:432
29725040,0irq/27-eth0-tx-0-21swapper/210:51:392
29725040,0irq/27-eth0-tx-0-21swapper/210:31:412
29725040,0irq/27-eth0-tx-0-21swapper/210:26:422
29725040,0irq/27-eth0-tx-0-21swapper/209:31:432
29715040,0irq/26-eth0-rx-0-21swapper/311:32:443
29715040,0irq/26-eth0-rx-0-21swapper/310:26:323
29715040,0irq/26-eth0-rx-0-21swapper/309:32:533
29715040,0irq/26-eth0-rx-0-21swapper/307:21:513
29715040,0irq/26-eth0-rx-0-21swapper/307:06:443
259940,0migration/27134-21kthreadcore07:11:462
259940,0migration/228038-21gltestperf10:46:432
259940,0migration/225230-21kthreadcore09:01:462
259940,0migration/22053-21fschecks_time12:11:402
259940,0migration/219530-21kthreadcore07:21:472
259940,0migration/21883-21df_inode08:46:422
259940,0migration/217957-21switchtime09:36:502
259940,0migration/211920-21aten_r1power_fr09:56:402
249940,0watchdog/212746-21gltestperf09:16:442
179940,0migration/13031-21kthreadcore07:31:461
179940,0migration/130256-21aten2.4-expect07:06:391
179940,0migration/128957-21kthreadcore11:06:461
179940,0migration/126920-21kthreadcore07:26:461
179940,0migration/125833-21sh11:46:151
179940,0migration/122246-21kthreadcore08:11:461
179940,0migration/119849-21fschecks_time10:41:431
179940,0migration/117393-21missed_timers07:41:471
169940,0watchdog/18950-21perl08:51:441
169940,0watchdog/16544-21ssh12:31:471
169940,0watchdog/14814-21grep11:11:471
169940,0watchdog/132313-21munin-node08:16:521
169940,0watchdog/125065-21ssh11:01:551
169940,0watchdog/11631-21ssh10:27:351
169940,0watchdog/10-21swapper/110:16:351
169940,0watchdog/10-21swapper/109:28:281
169940,0watchdog/10-21swapper/109:14:001
149940,0migration/04359-21kthreadcore11:11:470
149940,0migration/032156-21kthreadcore07:06:440
149940,0migration/031503-21kthreadcore11:06:470
149940,0migration/024987-21kthreadcore09:01:460
298929932,0cyclictest3514-21snmpd08:13:542
298929932,0cyclictest25255-21awk07:26:442
298909933,0cyclictest0-21swapper/108:01:571
298909932,0cyclictest3514-21snmpd08:21:391
298909932,0cyclictest3514-21snmpd07:13:381
298909932,0cyclictest20931-21kthreadcore12:21:481
298899933,0cyclictest27036-21kworker/0:010:06:330
298899933,0cyclictest27036-21kworker/0:010:02:350
298899933,0cyclictest27036-21kworker/0:009:47:110
298899933,0cyclictest27036-21kworker/0:009:41:390
298899933,0cyclictest27036-21kworker/0:009:36:430
298899933,0cyclictest27036-21kworker/0:009:11:470
298899933,0cyclictest20918-21kworker/0:108:36:410
298899933,0cyclictest20918-21kworker/0:108:01:430
298899933,0cyclictest20918-21kworker/0:107:26:390
298899933,0cyclictest12422-21kworker/0:111:36:540
298899933,0cyclictest11461-21awk11:16:440
298899932,0cyclictest3241-21irqbalance08:11:480
298899932,0cyclictest29250-21awk09:26:440
298899932,0cyclictest11960-21ssh09:16:390
29725030,0irq/27-eth0-tx-12105-21aten2.4-expect07:41:400
29715030,0irq/26-eth0-rx-24883-40yum-updatesd-he07:48:453
29715030,0irq/26-eth0-rx-0-21swapper/308:51:453
29715030,0irq/26-eth0-rx-0-21swapper/308:31:413
29715030,0irq/26-eth0-rx-0-21swapper/307:51:423
29715030,0irq/26-eth0-rx-0-21swapper/307:41:413
29715030,0irq/26-eth0-rx-0-21swapper/307:31:403
29715030,0irq/26-eth0-rx-0-21swapper/307:26:493
29715030,0irq/26-eth0-rx-0-21swapper/307:11:483
249930,0watchdog/20-21swapper/207:56:482
249930,0watchdog/20-21swapper/207:16:482
249930,0watchdog/20-21swapper/207:06:442
169930,0watchdog/126710-21ssh09:22:441
169930,0watchdog/10-21swapper/111:54:191
169930,0watchdog/10-21swapper/111:37:111
169930,0watchdog/10-21swapper/108:56:441
169920,0watchdog/10-21swapper/108:36:321
169920,0watchdog/10-21swapper/108:31:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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