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2026-02-23 - 13:34
[ 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 Feb 23, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2602324534,0sleep00-21swapper/007:02:120
304450350,0irq/25-eth10-21swapper/306:58:313
2607923329,0sleep20-21swapper/207:02:542
2067722622,0sleep10-21swapper/106:58:291
261799970,0cyclictest0-21swapper/010:16:530
4160,0ktimersoftd/00-21swapper/012:18:260
35160,0ktimersoftd/30-21swapper/312:18:263
339960,0migration/36718-21sh10:11:503
339960,0migration/35894-21sh11:33:093
339960,0migration/35441-21sh11:10:573
339960,0migration/329475-21sh11:46:593
339960,0migration/328923-21sh11:24:193
339960,0migration/322016-21sh10:40:493
29715060,0irq/26-eth0-rx-7824-21tune2fs10:33:253
29715060,0irq/26-eth0-rx-23158-21irqstats12:03:263
261819960,0cyclictest0-21swapper/208:28:352
261809960,0cyclictest0-21swapper/109:58:281
261799960,0cyclictest0-21swapper/011:24:500
149960,0migration/031048-21sh09:04:510
149960,0migration/021616-21sh10:18:370
149960,0migration/01934-21kernelversion07:08:290
8215050,0irq/24-0000:00:8121-21latency_hist07:38:122
8215050,0irq/24-0000:00:24543-21perf09:23:112
8215050,0irq/24-0000:00:14774-21sadc07:43:122
4150,0ktimersoftd/00-21swapper/009:50:050
339950,0migration/36125-21latency_hist11:33:113
339950,0migration/34331-21munin-node10:48:333
339950,0migration/329958-21taskset08:41:593
339950,0migration/328586-21irqrtprio07:28:283
339950,0migration/327740-21kthreadcore09:23:303
339950,0migration/327280-21munin-node07:48:333
339950,0migration/324278-21taskset09:02:193
339950,0migration/322510-21munin-node12:23:283
339950,0migration/322503-21runrttasks10:00:143
339950,0migration/322289-21taskset08:12:133
339950,0migration/316019-21irqcore07:43:283
339950,0migration/315512-21kthreadcore11:58:293
339950,0migration/314060-21munin-node07:18:243
339950,0migration/313212-21munin-node10:13:343
339950,0migration/310269-21runrttasks08:03:273
339950,0migration/310109-21taskset08:28:023
29725050,0irq/27-eth0-tx-31469-21munin-node10:28:332
29725050,0irq/27-eth0-tx-26112-21irqstats09:23:302
29725050,0irq/27-eth0-tx-22177-21munin-node11:43:232
29725050,0irq/27-eth0-tx-22086-21ssh11:01:492
29725050,0irq/27-eth0-tx-16198-21ssh09:17:492
29725050,0irq/27-eth0-tx-14190-21munin-node11:38:252
29725050,0irq/27-eth0-tx-11275-21munin-node08:53:280
29725050,0irq/27-eth0-tx-0-21swapper/211:28:442
29725050,0irq/27-eth0-tx-0-21swapper/211:17:002
29725050,0irq/27-eth0-tx-0-21swapper/210:51:372
29725050,0irq/27-eth0-tx-0-21swapper/209:57:252
29725050,0irq/27-eth0-tx-0-21swapper/009:02:100
29725050,0irq/27-eth0-tx-0-21swapper/008:26:500
29715050,0irq/26-eth0-rx-8813-21kthreadcore12:13:283
29715050,0irq/26-eth0-rx-25782-21irqcore09:03:283
29715050,0irq/26-eth0-rx-22666-21sshd09:39:403
29715050,0irq/26-eth0-rx-1353-21kthreadcore10:28:303
29715050,0irq/26-eth0-rx-12372-21switchtime11:13:333
29715050,0irq/26-eth0-rx-12283-21missed_timers10:53:293
29715050,0irq/26-eth0-rx-0-21swapper/312:28:583
29715050,0irq/26-eth0-rx-0-21swapper/311:50:553
29715050,0irq/26-eth0-rx-0-21swapper/310:59:493
29715050,0irq/26-eth0-rx-0-21swapper/310:25:273
29715050,0irq/26-eth0-rx-0-21swapper/310:19:023
29715050,0irq/26-eth0-rx-0-21swapper/310:07:453
29715050,0irq/26-eth0-rx-0-21swapper/309:53:233
29715050,0irq/26-eth0-rx-0-21swapper/309:48:293
29715050,0irq/26-eth0-rx-0-21swapper/309:46:593
29715050,0irq/26-eth0-rx-0-21swapper/309:37:153
29715050,0irq/26-eth0-rx-0-21swapper/309:18:273
29715050,0irq/26-eth0-rx-0-21swapper/309:13:123
27150,0ktimersoftd/20-21swapper/209:59:052
261819954,0cyclictest8194-21sadc09:13:122
261819950,0cyclictest0-21swapper/211:48:392
261819950,0cyclictest0-21swapper/210:56:002
261809955,0cyclictest24374-21diskmemload09:39:421
261809955,0cyclictest0-21swapper/109:33:241
261799955,0cyclictest0-21swapper/012:15:270
261799955,0cyclictest0-21swapper/011:54:480
261799955,0cyclictest0-21swapper/011:17:070
261799955,0cyclictest0-21swapper/009:15:430
261799950,0cyclictest0-21swapper/010:11:510
259950,0migration/27852-21sh09:33:062
259950,0migration/231215-21latency_hist10:28:112
259950,0migration/230174-21cpuspeed_turbos12:08:242
259950,0migration/225888-21kthreadcore10:03:282
259950,0migration/213647-21runrttasks11:37:252
249950,0watchdog/25526-21kthreadcore07:08:302
249950,0watchdog/220188-21sh11:59:052
179950,0migration/16172-21munin-node07:08:331
179950,0migration/13942-21taskset08:43:371
179950,0migration/132748-21sh09:28:091
179950,0migration/132189-21gltestperf10:28:271
179950,0migration/13136-21kthreadcore09:28:301
179950,0migration/122865-21sh09:18:491
179950,0migration/122024-21taskset11:22:391
179950,0migration/121672-21munin-node07:23:271
179950,0migration/119664-21munin-node11:58:351
179950,0migration/116854-21kthreadcore10:58:291
179950,0migration/116352-21dump-pmu-power09:18:111
179950,0migration/114794-21taskset10:16:551
149950,0migration/08670-21kthreadcore08:48:290
149950,0migration/0867-21cpuspeed_turbos09:28:250
149950,0migration/04813-21kthreadcore07:58:300
149950,0migration/04117-21taskset08:45:360
149950,0migration/03694-21kthreadcore11:08:290
149950,0migration/03402-21pmu-power11:48:340
149950,0migration/03056-21taskset08:19:380
149950,0migration/028565-21kthreadcore09:23:310
149950,0migration/023914-21kthreadcore12:03:270
149950,0migration/023911-21fschecks_count10:23:240
149950,0migration/022343-21munin-node11:43:230
149950,0migration/022300-21taskset08:12:220
149950,0migration/021690-21kthreadcore08:33:290
149950,0migration/021170-21fschecks_count07:23:250
149950,0migration/019436-21kthreadcore09:38:290
149950,0migration/016625-21kthreadcore10:38:280
149950,0migration/015889-21kthreadcore11:18:270
149950,0migration/013968-21latency_hist07:18:120
149950,0migration/012114-21kthreadcore10:53:280
149950,0migration/01195-21kthreadcore12:08:290
8215040,0irq/24-0000:00:29245-21cat08:18:122
8215040,0irq/24-0000:00:0-21swapper/209:03:122
339940,0migration/35287-21gltestperf08:48:263
339940,0migration/33569-21kthreadcore09:28:303
339940,0migration/32419-21kthreadcore12:08:293
339940,0migration/323031-21kthreadcore07:23:283
339940,0migration/322709-21aten2.4-expect08:13:233
339940,0migration/32204-21latency08:18:293
339940,0migration/32140-21taskset07:56:083
339940,0migration/311967-21fschecks_time08:53:263
29725040,0irq/27-eth0-tx-24374-21diskmemload12:05:212
29725040,0irq/27-eth0-tx-24374-21diskmemload11:08:562
29725040,0irq/27-eth0-tx-23665-21munin-node08:38:250
29725040,0irq/27-eth0-tx-0-21swapper/212:28:452
29725040,0irq/27-eth0-tx-0-21swapper/212:23:412
29725040,0irq/27-eth0-tx-0-21swapper/211:23:122
29725040,0irq/27-eth0-tx-0-21swapper/211:18:322
29725040,0irq/27-eth0-tx-0-21swapper/210:44:172
29725040,0irq/27-eth0-tx-0-21swapper/210:33:232
29725040,0irq/27-eth0-tx-0-21swapper/210:18:222
29725040,0irq/27-eth0-tx-0-21swapper/210:13:152
29725040,0irq/27-eth0-tx-0-21swapper/210:09:022
29725040,0irq/27-eth0-tx-0-21swapper/209:33:172
29725040,0irq/27-eth0-tx-0-21swapper/007:49:380
29725040,0irq/27-eth0-tx-0-21swapper/007:03:270
29715040,0irq/26-eth0-rx-0-21swapper/311:54:123
29715040,0irq/26-eth0-rx-0-21swapper/311:38:303
29715040,0irq/26-eth0-rx-0-21swapper/311:18:473
29715040,0irq/26-eth0-rx-0-21swapper/311:03:123
29715040,0irq/26-eth0-rx-0-21swapper/310:45:003
29715040,0irq/26-eth0-rx-0-21swapper/309:13:203
29715040,0irq/26-eth0-rx-0-21swapper/307:58:333
29715040,0irq/26-eth0-rx-0-21swapper/307:38:233
29715040,0irq/26-eth0-rx-0-21swapper/307:13:293
29715040,0irq/26-eth0-rx-0-21swapper/307:03:293
261819943,0cyclictest5667-21egrep12:13:232
261819943,0cyclictest5453-21awk08:48:272
261819943,0cyclictest3556-21lldpd08:59:102
261819943,0cyclictest3556-21lldpd08:35:402
261819943,0cyclictest3556-21lldpd08:27:082
261819943,0cyclictest28269-21awk07:28:272
261819943,0cyclictest17109-21awk09:38:262
261819943,0cyclictest14994-21awk07:18:282
261809944,0cyclictest0-21swapper/110:56:011
261809944,0cyclictest0-21swapper/110:04:181
261809943,0cyclictest9261-21awk07:38:261
261809943,0cyclictest7428-21awk11:13:251
261809943,0cyclictest6623-21sort11:53:251
261809943,0cyclictest3241-21irqbalance12:13:291
261809943,0cyclictest31492-21awk11:28:271
261809943,0cyclictest25561-21awk09:03:271
261809943,0cyclictest24644-21awk08:38:271
261809943,0cyclictest1005-21awk09:08:271
261809940,0cyclictest0-21swapper/110:19:541
261799944,0cyclictest0-21swapper/012:29:570
261799943,0cyclictest7289-21kworker/0:209:33:230
261799943,0cyclictest3514-21snmpd10:46:090
261799943,0cyclictest3514-21snmpd10:00:240
261799943,0cyclictest28245-21awk07:28:270
261799943,0cyclictest16947-21kworker/0:011:28:430
261799943,0cyclictest16947-21kworker/0:009:43:450
261799943,0cyclictest16757-21sadc08:33:120
261799943,0cyclictest14745-21awk11:58:270
259940,0migration/27720-21kthreadcore11:53:272
259940,0migration/228895-21latency08:38:292
259940,0migration/224275-21kthreadcore08:13:282
259940,0migration/220241-21kthreadcore08:08:292
259940,0migration/220096-21kthreadcore10:38:292
259940,0migration/215620-21runrttasks08:06:432
249940,0watchdog/232475-21kthreadcore07:53:302
249940,0watchdog/231077-21smartctl08:43:262
249940,0watchdog/230154-21unixbench_multi09:43:342
249940,0watchdog/213740-21cpuspeed_turbos12:18:212
249940,0watchdog/20-21swapper/211:03:252
249940,0watchdog/20-21swapper/209:48:382
249940,0watchdog/20-21swapper/207:48:302
179940,0migration/19506-21kthreadcore11:33:281
179940,0migration/19127-21kthreadcore07:13:291
179940,0migration/18314-21sensors_temp07:58:341
179940,0migration/13310-21sh12:28:541
179940,0migration/13302-21taskset08:22:231
179940,0migration/132296-21munin-node10:08:241
179940,0migration/129158-21sh11:04:081
179940,0migration/127530-21irqcore07:03:281
179940,0migration/126230-21kthreadcore11:43:291
179940,0migration/125299-21kthreadcore08:13:281
179940,0migration/11768-21unixbench-2d07:53:361
179940,0migration/114425-21kthreadcore08:28:301
169940,0watchdog/16218-21ssh10:52:251
169940,0watchdog/1540-21kthreadcore12:08:291
169940,0watchdog/14265-21kthreadcore09:48:301
169940,0watchdog/13775-21kthreadcore11:08:291
169940,0watchdog/128318-21munin-node11:23:331
169940,0watchdog/124234-21grep12:23:291
169940,0watchdog/124131-21ssh09:43:181
169940,0watchdog/119669-21ssh12:18:451
169940,0watchdog/114814-21kthreadcore08:53:301
169940,0watchdog/114337-21ssh09:54:381
169940,0watchdog/10-21swapper/110:40:061
169940,0watchdog/10-21swapper/108:58:301
169940,0watchdog/10-21swapper/107:33:301
149940,0migration/025188-21kthreadcore11:03:280
149940,0migration/016686-21kthreadcore11:38:280
149940,0migration/01364-21open_files07:53:330
149940,0migration/010371-21kthreadcore11:33:280
29715030,0irq/26-eth0-rx-0-21swapper/308:45:423
29715030,0irq/26-eth0-rx-0-21swapper/308:33:253
29715030,0irq/26-eth0-rx-0-21swapper/308:28:243
29715030,0irq/26-eth0-rx-0-21swapper/307:36:213
29715030,0irq/26-eth0-rx-0-21swapper/307:08:473
261819932,0cyclictest8342-21awk07:13:282
261809932,0cyclictest31028-21awk11:48:281
261809932,0cyclictest28175-21awk07:28:261
261809932,0cyclictest27662-21sensors12:03:321
261809932,0cyclictest24368-21awk10:23:261
261809932,0cyclictest23005-21grep07:48:281
261809932,0cyclictest15877-21awk07:43:271
261809932,0cyclictest14946-21awk07:18:281
261809932,0cyclictest10243-21awk08:03:271
261809931,0cyclictest3591-21latency_hist08:23:121
261809930,0cyclictest14286-21sh11:38:221
261799933,0cyclictest7289-21kworker/0:209:08:270
261799933,0cyclictest7289-21kworker/0:207:38:230
261799933,0cyclictest6595-21kworker/0:212:23:180
261799933,0cyclictest16947-21kworker/0:010:58:250
261799933,0cyclictest16947-21kworker/0:010:48:510
261799933,0cyclictest16947-21kworker/0:010:33:150
261799933,0cyclictest16947-21kworker/0:010:03:130
261799933,0cyclictest16947-21kworker/0:009:53:190
261799932,0cyclictest8318-21awk07:13:280
261799932,0cyclictest32231-21tail10:28:270
261799932,0cyclictest2798-21sed07:33:290
261799932,0cyclictest22112-21grep09:18:300
261799930,0cyclictest9311-21munin-node08:03:240
261799930,0cyclictest28565-21unixbench_multi08:13:350
261799930,0cyclictest0-21swapper/007:43:280
249930,0watchdog/214815-21kthreadcore08:53:302
249930,0watchdog/20-21swapper/207:58:262
249930,0watchdog/20-21swapper/207:43:302
249930,0watchdog/20-21swapper/207:03:262
169930,0watchdog/17143-21ssh10:33:221
169930,0watchdog/10-21swapper/110:43:171
169930,0watchdog/10-21swapper/108:33:181
169930,0watchdog/10-21swapper/108:08:261
261819920,0cyclictest0-21swapper/207:23:122
169920,0watchdog/10-21swapper/108:48:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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