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2026-01-31 - 14:08
[ 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 Sat Jan 31, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1606623826,0sleep10-21swapper/107:02:381
1611623622,0sleep00-21swapper/007:03:130
304450350,0irq/25-eth10-21swapper/307:00:263
16370993535,0cyclictest3514-21snmpd10:04:511
1598123324,0sleep20-21swapper/207:01:392
339970,0migration/332060-21sh11:05:023
339960,0migration/36825-21sh10:47:543
339960,0migration/35238-21sh10:07:373
339960,0migration/322712-21sh10:37:283
29715060,0irq/26-eth0-rx-6097-21cut09:20:403
29715060,0irq/26-eth0-rx-5928-21port_sshpriv11:25:423
29715060,0irq/26-eth0-rx-30294-21sh10:04:593
29715060,0irq/26-eth0-rx-16112-21munin-run11:15:213
149960,0migration/031836-21sh11:43:270
149960,0migration/031644-21sh12:21:250
149960,0migration/023599-21sh12:16:400
35150,0ktimersoftd/30-21swapper/311:56:193
339950,0migration/39196-21irqcore10:50:383
339950,0migration/37609-21kthreadcore09:45:393
339950,0migration/37600-21kthreadcore07:45:383
339950,0migration/3656-21cpuspeed_turbos08:30:343
339950,0migration/33887-21kthreadcore08:55:393
339950,0migration/329258-21irqrtprio09:15:373
339950,0migration/328252-21kthreadcore11:40:383
339950,0migration/325911-21gltestperf08:00:363
339950,0migration/322571-21munin-node07:05:463
339950,0migration/321253-21latency_hist09:10:223
339950,0migration/318115-21kthreadcore08:40:393
339950,0migration/315513-21kthreadcore08:15:383
339950,0migration/313669-21kthreadcore07:50:403
339950,0migration/310679-21kthreadcore08:10:403
29725050,0irq/27-eth0-tx-8272-21munin-node11:10:462
29725050,0irq/27-eth0-tx-31028-21head12:00:442
29725050,0irq/27-eth0-tx-21742-21ls11:15:392
29725050,0irq/27-eth0-tx-19511-21munin-node08:20:370
29725050,0irq/27-eth0-tx-16587-21munin-node07:05:460
29725050,0irq/27-eth0-tx-15914-21munin-node10:35:362
29725050,0irq/27-eth0-tx-0-21swapper/212:27:072
29725050,0irq/27-eth0-tx-0-21swapper/211:03:082
29725050,0irq/27-eth0-tx-0-21swapper/210:50:272
29725050,0irq/27-eth0-tx-0-21swapper/210:21:252
29725050,0irq/27-eth0-tx-0-21swapper/210:19:232
29725050,0irq/27-eth0-tx-0-21swapper/009:25:360
29725050,0irq/27-eth0-tx-0-21swapper/008:45:420
29725050,0irq/27-eth0-tx-0-21swapper/007:25:380
29715050,0irq/26-eth0-rx-6559-21runrttasks12:08:363
29715050,0irq/26-eth0-rx-32176-21kthreadcore09:40:393
29715050,0irq/26-eth0-rx-30731-21smartctl12:00:423
29715050,0irq/26-eth0-rx-25652-21diskstats12:20:353
29715050,0irq/26-eth0-rx-20760-21kthreadcore12:15:373
29715050,0irq/26-eth0-rx-16128-21iostat10:15:373
29715050,0irq/26-eth0-rx-14743-21smartctl12:10:443
29715050,0irq/26-eth0-rx-13621-21sort08:40:223
29715050,0irq/26-eth0-rx-0-21swapper/312:33:093
29715050,0irq/26-eth0-rx-0-21swapper/311:51:093
29715050,0irq/26-eth0-rx-0-21swapper/311:47:493
29715050,0irq/26-eth0-rx-0-21swapper/311:35:443
29715050,0irq/26-eth0-rx-0-21swapper/311:30:383
29715050,0irq/26-eth0-rx-0-21swapper/311:17:173
29715050,0irq/26-eth0-rx-0-21swapper/311:05:223
29715050,0irq/26-eth0-rx-0-21swapper/310:56:233
29715050,0irq/26-eth0-rx-0-21swapper/310:44:003
29715050,0irq/26-eth0-rx-0-21swapper/310:28:123
29715050,0irq/26-eth0-rx-0-21swapper/310:24:023
29715050,0irq/26-eth0-rx-0-21swapper/309:00:393
29715050,0irq/26-eth0-rx-0-21swapper/307:55:353
29715050,0irq/26-eth0-rx-0-21swapper/307:15:383
259950,0migration/27829-21sh11:09:582
259950,0migration/25735-21timerandwakeup10:45:442
259950,0migration/231756-21sh12:21:442
259950,0migration/219127-21missed_timers08:40:402
259950,0migration/215721-21latency_hist09:30:222
259950,0migration/215572-21sh12:31:102
259950,0migration/215492-21sh11:52:382
249950,0watchdog/222823-21ssh11:36:072
249950,0watchdog/213136-21latency10:30:402
179950,0migration/131936-21irqcore07:40:381
179950,0migration/131154-21timerandwakeup12:20:451
179950,0migration/128244-21kthreadcore10:20:391
179950,0migration/122186-21latency11:55:371
179950,0migration/121131-21fschecks_time08:45:361
179950,0migration/115860-21latency_hist09:30:221
163729955,0cyclictest0-21swapper/210:00:422
163729954,0cyclictest1871-21ps12:05:382
163729953,0cyclictest18011-21awk12:15:352
163729950,0cyclictest0-21swapper/211:27:252
163729950,0cyclictest0-21swapper/210:26:532
163709955,0cyclictest0-21swapper/112:09:001
163709955,0cyclictest0-21swapper/107:50:451
163709954,0cyclictest9251-21awk11:10:381
163709950,0cyclictest0-21swapper/111:16:581
163709950,0cyclictest0-21swapper/110:51:541
163699955,0cyclictest0-21swapper/010:33:500
163699950,0cyclictest14471-21diskmemload11:40:020
163699950,0cyclictest0-21swapper/010:13:100
169950,0watchdog/120026-21kthreadcore11:35:391
149950,0migration/09071-21kthreadcore07:45:390
149950,0migration/08765-21fschecks_count11:10:360
149950,0migration/0838-21munin-node11:05:330
149950,0migration/05926-21kthreadcore12:05:390
149950,0migration/05652-21sh10:08:320
149950,0migration/030003-21timerandwakeup07:35:420
149950,0migration/029798-21latency_hist07:15:220
149950,0migration/029270-21latency_hist09:40:210
149950,0migration/028919-21ntp_kernel_err10:20:410
149950,0migration/028154-21kthreadcore08:00:390
149950,0migration/027103-21kthreadcore09:35:390
149950,0migration/02400-21kthreadcore10:25:390
149950,0migration/023897-21munin-node10:00:330
149950,0migration/022172-21sh10:36:000
149950,0migration/021626-21missed_timers10:55:390
149950,0migration/018597-21kthreadcore09:55:380
149950,0migration/01672-21kthreadcore10:45:380
149950,0migration/015411-21taskset12:11:370
149950,0migration/014437-21munin-node11:50:430
149950,0migration/013574-21munin-node10:50:410
149950,0migration/01294-21kthreadcore08:05:380
149950,0migration/011647-21kthreadcore12:30:410
149950,0migration/01150-21munin-node09:15:400
149950,0migration/010238-21taskset07:21:030
339940,0migration/329657-21kthreadcore11:20:403
339940,0migration/326520-21kthreadcore07:10:403
339940,0migration/325455-21irqstats07:35:353
339940,0migration/323308-21kthreadcore09:10:403
339940,0migration/321340-21kthreadcore09:55:393
339940,0migration/313055-21kthreadcore09:25:393
339940,0migration/313039-21kthreadcore09:50:393
29725040,0irq/27-eth0-tx-0-21swapper/212:10:292
29725040,0irq/27-eth0-tx-0-21swapper/211:45:382
29725040,0irq/27-eth0-tx-0-21swapper/211:30:522
29725040,0irq/27-eth0-tx-0-21swapper/210:10:332
29715040,0irq/26-eth0-rx-0-21swapper/312:25:273
29715040,0irq/26-eth0-rx-0-21swapper/310:30:353
29715040,0irq/26-eth0-rx-0-21swapper/310:10:333
29715040,0irq/26-eth0-rx-0-21swapper/309:35:353
29715040,0irq/26-eth0-rx-0-21swapper/307:40:343
259940,0migration/27431-21kthreadcore07:20:392
259940,0migration/230515-21kthreadcore09:15:382
259940,0migration/229224-21munin-node07:10:462
259940,0migration/22867-21kthreadcore07:40:392
259940,0migration/22815-21kthreadcore08:30:392
259940,0migration/225858-21taskset08:24:572
259940,0migration/222542-21latency_hist09:35:222
259940,0migration/221474-21kthreadcore10:55:382
259940,0migration/220357-21kthreadcore07:30:382
259940,0migration/219998-21kthreadcore11:55:362
259940,0migration/219114-21kthreadcore09:05:402
259940,0migration/210414-21latency07:45:392
259940,0migration/210021-21kthreadcore08:35:392
249940,0watchdog/25096-21kthreadcore09:20:402
249940,0watchdog/227204-21kthreadcore07:35:362
249940,0watchdog/226239-21kthreadcore11:20:392
249940,0watchdog/224642-21tune2fs10:40:362
179940,0migration/17629-21taskset08:58:111
179940,0migration/16253-21processes11:45:431
179940,0migration/16169-21taskset10:09:511
179940,0migration/131472-21kthreadcore07:15:401
179940,0migration/128715-21kthreadcore08:25:381
179940,0migration/127839-21kthreadcore11:20:401
179940,0migration/121822-21kthreadcore07:55:391
179940,0migration/121782-21kthreadcore07:30:381
179940,0migration/12068-21kthreadcore08:30:391
179940,0migration/12052-21kthreadcore11:25:381
179940,0migration/120247-21kthreadcore07:05:401
179940,0migration/117940-21kthreadcore10:35:371
179940,0migration/117714-21fschecks_time12:15:331
179940,0migration/117629-21fschecks_count09:55:341
163729944,0cyclictest0-21swapper/208:15:332
163729943,0cyclictest9039-21awk09:00:382
163729943,0cyclictest7029-21awk08:10:372
163729943,0cyclictest31710-21awk10:05:402
163729943,0cyclictest25189-21tune2fs11:40:342
163729943,0cyclictest22287-21awk09:10:382
163729943,0cyclictest21375-21awk08:45:382
163729943,0cyclictest17829-21grep09:55:352
163729943,0cyclictest12770-21awk07:50:382
163729943,0cyclictest0-21swapper/207:10:222
163709944,0cyclictest0-21swapper/112:30:451
163709944,0cyclictest0-21swapper/111:50:241
163709944,0cyclictest0-21swapper/108:20:241
163709944,0cyclictest0-21swapper/107:40:021
163709943,0cyclictest8990-21awk09:00:371
163709943,0cyclictest3556-21lldpd11:02:231
163709943,0cyclictest3556-21lldpd10:34:521
163709943,0cyclictest3556-21lldpd10:19:521
163709943,0cyclictest3556-21lldpd10:11:221
163709943,0cyclictest32693-21awk08:05:361
163709943,0cyclictest28031-21awk08:50:371
163709943,0cyclictest26017-21awk08:00:371
163709943,0cyclictest1894-21awk12:25:361
163709943,0cyclictest11720-21awk07:25:361
163699944,0cyclictest0-21swapper/008:40:380
163699943,0cyclictest4579-21awk09:45:360
163699943,0cyclictest3241-21irqbalance07:40:400
163699943,0cyclictest25470-21awk11:20:380
163699943,0cyclictest25261-21awk11:00:350
163699943,0cyclictest2223-21awk08:55:370
163699943,0cyclictest1879-21awk12:25:360
163699943,0cyclictest1199-21awk11:25:370
163699940,0cyclictest347-21munin-node08:30:340
169940,0watchdog/19746-21chrt09:45:481
169940,0watchdog/1927-21cut09:40:401
169940,0watchdog/132759-21ssh12:05:151
169940,0watchdog/127680-21kthreadcore10:40:401
169940,0watchdog/12736-21cut11:05:351
169940,0watchdog/124186-21kthreadcore09:10:401
169940,0watchdog/115459-21hddtemp_smartct09:05:361
169940,0watchdog/114471-21diskmemload10:47:401
169940,0watchdog/113456-21grep12:10:391
169940,0watchdog/10-21swapper/111:30:391
169940,0watchdog/10-21swapper/109:25:441
169940,0watchdog/10-21swapper/109:20:401
149940,0migration/028384-21kthreadcore12:00:380
149940,0migration/021820-21kthreadcore11:55:370
29725030,0irq/27-eth0-tx-0-21swapper/009:30:320
29715030,0irq/26-eth0-rx-0-21swapper/309:31:403
29715030,0irq/26-eth0-rx-0-21swapper/308:54:563
29715030,0irq/26-eth0-rx-0-21swapper/308:26:313
29715030,0irq/26-eth0-rx-0-21swapper/308:20:323
29715030,0irq/26-eth0-rx-0-21swapper/308:05:333
29715030,0irq/26-eth0-rx-0-21swapper/307:31:073
29715030,0irq/26-eth0-rx-0-21swapper/307:20:353
259930,0migration/25879-21runrttasks08:10:052
259930,0migration/211425-21fschecks_time07:25:352
249930,0watchdog/232738-21python08:50:442
249930,0watchdog/20-21swapper/209:40:402
179930,0migration/125162-21kthreadcore09:35:391
163729932,0cyclictest4531-21awk09:45:362
163729932,0cyclictest3241-21irqbalance07:55:402
163729932,0cyclictest30723-21awk07:15:392
163729932,0cyclictest29249-21tr08:00:392
163729932,0cyclictest18027-21kthreadcore09:30:372
163729932,0cyclictest11315-21awk09:50:372
163729930,0cyclictest0-21swapper/208:27:032
163709933,0cyclictest0-21swapper/107:20:291
163709932,0cyclictest7841-21grep08:35:351
163709932,0cyclictest7059-21awk08:10:381
163709932,0cyclictest6125-21awk07:45:371
163709932,0cyclictest32712-21awk10:25:371
163709932,0cyclictest28848-21grep09:15:351
163709932,0cyclictest25549-21awk11:40:351
163709932,0cyclictest21968-21sensors10:55:421
163709932,0cyclictest16084-21sensors09:50:431
163709932,0cyclictest14592-21sort08:40:361
163709932,0cyclictest13682-21awk08:15:351
163699933,0cyclictest27185-21kworker/0:211:45:340
163699933,0cyclictest27185-21kworker/0:211:30:450
163699933,0cyclictest27185-21kworker/0:210:40:250
163699933,0cyclictest27185-21kworker/0:209:50:310
163699933,0cyclictest27185-21kworker/0:209:11:430
163699933,0cyclictest27185-21kworker/0:208:26:150
163699933,0cyclictest27185-21kworker/0:208:15:350
163699933,0cyclictest27185-21kworker/0:208:10:330
163699933,0cyclictest27185-21kworker/0:207:31:290
163699933,0cyclictest19402-21awk07:55:370
163699933,0cyclictest0-21swapper/007:10:360
163699932,0cyclictest32737-21sensors08:50:440
163699932,0cyclictest2528-21basename09:20:350
163699932,0cyclictest20418-21sensors09:05:430
163699932,0cyclictest15976-21awk10:15:360
163699932,0cyclictest12706-21awk07:50:380
163699932,0cyclictest0-21swapper/008:35:340
163699930,0cyclictest16799-21diskstats11:15:340
163699930,0cyclictest0-21swapper/009:02:140
169930,0watchdog/124006-21sh07:10:361
29715020,0irq/26-eth0-rx-0-21swapper/308:45:223
29715020,0irq/26-eth0-rx-0-21swapper/307:26:263
163729921,0cyclictest1301-21seq08:55:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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