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2026-01-20 - 19:43
[ 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 376 highest latencies:
System rack1slot2s.osadl.org (updated Tue Jan 20, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1393024534,0sleep00-21swapper/007:04:590
1377523624,0sleep10-21swapper/107:03:071
304450350,0irq/25-eth10-21swapper/307:03:223
1382623228,0sleep20-21swapper/207:03:442
339970,0migration/31369-21sh12:20:103
339960,0migration/319636-21sh09:29:393
339960,0migration/318319-21diskmemload10:48:463
339960,0migration/317413-21sh12:29:503
339960,0migration/316599-21sh12:06:513
29715060,0irq/26-eth0-rx-0-21swapper/311:16:413
179960,0migration/15164-21munin-node10:01:381
179960,0migration/122510-21kthreadcore10:31:401
141289960,0cyclictest0-21swapper/209:26:432
141279966,0cyclictest12351-21diskmemload12:16:491
141279965,0cyclictest27736-21crond10:16:231
141279960,0cyclictest12351-21diskmemload12:34:191
141269965,0cyclictest23129-21cut09:11:390
141269960,0cyclictest0-21swapper/011:08:480
149960,0migration/027829-21sh10:36:330
149960,0migration/017900-21sh12:31:140
149960,0migration/01689-21sh11:18:420
8215050,0irq/24-0000:00:28256-21latency_hist09:36:242
8215050,0irq/24-0000:00:16014-21ssh12:26:452
339950,0migration/36899-21kthreadcore09:41:403
339950,0migration/35823-21munin-node08:36:403
339950,0migration/35588-21taskset09:00:343
339950,0migration/35405-21kthreadcore10:41:403
339950,0migration/33152-21taskset11:01:363
339950,0migration/329246-21kthreadcore11:36:393
339950,0migration/324261-21munin-node08:01:403
339950,0migration/322898-21taskset07:36:383
339950,0migration/321623-21kthreadcore09:51:393
339950,0migration/319801-21kthreadcore07:56:413
339950,0migration/319432-21munin-node12:11:393
339950,0migration/319360-21fschecks_time11:51:373
339950,0migration/318322-21kthreadcore07:31:403
339950,0migration/318021-21diskmemload11:50:093
339950,0migration/314331-21taskset07:06:303
339950,0migration/313667-21kthreadcore09:46:423
339950,0migration/313444-21munin-node09:06:393
339950,0migration/312781-21gltestperf10:06:373
339950,0migration/310258-21switchtime09:21:453
339950,0migration/310195-21taskset08:14:033
339950,0migration/310193-21sh11:45:513
29725050,0irq/27-eth0-tx-4183-21munin-node09:41:452
29725050,0irq/27-eth0-tx-4182-21fschecks_time10:41:372
29725050,0irq/27-eth0-tx-30109-21kthreadcore11:56:402
29725050,0irq/27-eth0-tx-2622-21ssh10:19:132
29725050,0irq/27-eth0-tx-24297-21tr09:11:402
29725050,0irq/27-eth0-tx-1930-21munin-node07:21:370
29725050,0irq/27-eth0-tx-1733-21ssh11:39:402
29725050,0irq/27-eth0-tx-12124-21ssh09:26:122
29725050,0irq/27-eth0-tx-12029-21munin-node10:06:362
29725050,0irq/27-eth0-tx-0-21swapper/211:16:442
29725050,0irq/27-eth0-tx-0-21swapper/211:11:352
29725050,0irq/27-eth0-tx-0-21swapper/211:01:282
29725050,0irq/27-eth0-tx-0-21swapper/209:59:072
29725050,0irq/27-eth0-tx-0-21swapper/009:07:360
29725050,0irq/27-eth0-tx-0-21swapper/009:01:460
29725050,0irq/27-eth0-tx-0-21swapper/008:26:370
29725050,0irq/27-eth0-tx-0-21swapper/007:28:160
29715050,0irq/26-eth0-rx-6559-21runrttasks10:32:193
29715050,0irq/26-eth0-rx-6308-21kthreadcore12:21:413
29715050,0irq/26-eth0-rx-2898-21ssh09:38:373
29715050,0irq/26-eth0-rx-26531-21grep09:11:463
29715050,0irq/26-eth0-rx-22885-21kthreadcore08:46:393
29715050,0irq/26-eth0-rx-0-21swapper/312:31:233
29715050,0irq/26-eth0-rx-0-21swapper/311:31:403
29715050,0irq/26-eth0-rx-0-21swapper/311:28:363
29715050,0irq/26-eth0-rx-0-21swapper/311:21:323
29715050,0irq/26-eth0-rx-0-21swapper/311:14:003
29715050,0irq/26-eth0-rx-0-21swapper/311:00:163
29715050,0irq/26-eth0-rx-0-21swapper/310:38:393
29715050,0irq/26-eth0-rx-0-21swapper/310:27:523
29715050,0irq/26-eth0-rx-0-21swapper/310:25:063
29715050,0irq/26-eth0-rx-0-21swapper/310:01:383
29715050,0irq/26-eth0-rx-0-21swapper/309:56:463
29715050,0irq/26-eth0-rx-0-21swapper/309:31:413
29715050,0irq/26-eth0-rx-0-21swapper/308:21:423
259950,0migration/228037-21runrttasks07:36:522
259950,0migration/222954-21kthreadcore11:51:412
259950,0migration/221036-21switchtime07:31:452
259950,0migration/21752-21kthreadcore08:06:402
259950,0migration/214803-21kthreadcore09:46:432
259950,0migration/210354-21sh11:25:192
249950,0watchdog/226287-21latency07:11:422
249950,0watchdog/212579-21ssh09:06:302
179950,0migration/1697-21munin-node07:16:421
179950,0migration/16708-21kthreadcore08:36:421
179950,0migration/14596-21kthreadcore07:46:411
179950,0migration/131688-21kthreadcore07:41:411
179950,0migration/129631-21kthreadcore10:56:391
179950,0migration/129564-21kthreadcore10:16:421
179950,0migration/128750-21kthreadcore11:36:391
179950,0migration/123121-21kthreadcore09:11:391
179950,0migration/120603-21kthreadcore12:11:401
179950,0migration/114311-21kthreadcore10:06:401
179950,0migration/112955-21df_abs09:06:371
179950,0migration/110124-21timerandwakeup09:41:461
169950,0watchdog/127911-21aten_r1power_fr10:36:341
141289950,0cyclictest0-21swapper/208:48:422
141279955,0cyclictest0-21swapper/111:30:091
141279955,0cyclictest0-21swapper/109:21:111
141279950,0cyclictest0-21swapper/111:16:551
141279950,0cyclictest0-21swapper/111:04:271
141279950,0cyclictest0-21swapper/110:30:431
141269955,0cyclictest0-21swapper/012:16:540
141269955,0cyclictest0-21swapper/012:11:510
141269955,0cyclictest0-21swapper/011:14:380
141269955,0cyclictest0-21swapper/010:46:530
141269955,0cyclictest0-21swapper/007:11:410
141269950,0cyclictest0-21swapper/009:39:520
141269950,0cyclictest0-21swapper/007:56:270
149950,0migration/09110-21latency10:21:410
149950,0migration/06174-21kthreadcore10:01:390
149950,0migration/05961-21kthreadcore09:21:390
149950,0migration/05483-21taskset08:59:190
149950,0migration/04459-21kthreadcore11:41:410
149950,0migration/03994-21taskset09:21:130
149950,0migration/032111-21kthreadcore08:31:400
149950,0migration/031524-21kthreadcore07:16:400
149950,0migration/030071-21kthreadcore10:56:400
149950,0migration/02706-21sh08:06:420
149950,0migration/025820-21sh11:54:360
149950,0migration/025018-21kthreadcore07:36:400
149950,0migration/023685-21kthreadcore11:31:410
149950,0migration/023598-21missed_timers08:46:400
149950,0migration/023313-21taskset08:22:050
149950,0migration/019373-21irqcore12:31:380
149950,0migration/019073-21sh10:30:030
149950,0migration/017686-21kthreadcore09:26:410
149950,0migration/014864-21kthreadcore11:26:390
149950,0migration/014245-21kthreadcore10:06:400
149950,0migration/01358-21needreboot09:56:420
149950,0migration/011078-21fschecks_count08:16:360
149950,0migration/010418-21sh11:04:530
8215040,0irq/24-0000:00:0-21swapper/207:26:242
339940,0migration/36869-21kthreadcore07:21:413
339940,0migration/332319-21kthreadcore07:16:403
339940,0migration/330828-21kthreadcore09:16:413
339940,0migration/330705-21aten_r1power_po08:31:353
339940,0migration/326087-21kthreadcore07:11:423
339940,0migration/317669-21taskset08:42:213
29725040,0irq/27-eth0-tx-27560-21telnet10:56:342
29725040,0irq/27-eth0-tx-26132-21ssh10:11:472
29725040,0irq/27-eth0-tx-11777-21munin-node10:26:362
29725040,0irq/27-eth0-tx-0-21swapper/211:41:232
29725040,0irq/27-eth0-tx-0-21swapper/211:26:362
29725040,0irq/27-eth0-tx-0-21swapper/210:51:512
29725040,0irq/27-eth0-tx-0-21swapper/210:22:382
29725040,0irq/27-eth0-tx-0-21swapper/210:01:342
29725040,0irq/27-eth0-tx-0-21swapper/209:51:272
29725040,0irq/27-eth0-tx-0-21swapper/008:38:470
29725040,0irq/27-eth0-tx-0-21swapper/007:06:330
29715040,0irq/26-eth0-rx-0-21swapper/312:02:033
29715040,0irq/26-eth0-rx-0-21swapper/311:56:453
29715040,0irq/26-eth0-rx-0-21swapper/311:07:573
29715040,0irq/26-eth0-rx-0-21swapper/310:51:303
29715040,0irq/26-eth0-rx-0-21swapper/310:16:363
29715040,0irq/26-eth0-rx-0-21swapper/310:11:313
29715040,0irq/26-eth0-rx-0-21swapper/308:26:453
29715040,0irq/26-eth0-rx-0-21swapper/308:16:413
29715040,0irq/26-eth0-rx-0-21swapper/307:51:413
259940,0migration/27483-21kthreadcore08:11:412
259940,0migration/26517-21kthreadcore07:46:422
259940,0migration/24103-21kthreadcore12:21:402
259940,0migration/228317-21kthreadcore08:51:412
259940,0migration/227379-21if_eth112:16:382
259940,0migration/22502-21kthreadcore08:31:412
259940,0migration/224825-21kthreadcore08:01:402
259940,0migration/223996-21kthreadcore09:31:412
259940,0migration/221190-21kthreadcore12:31:392
259940,0migration/220503-21runrttasks07:08:342
259940,0migration/219913-21kthreadcore12:11:402
249940,0watchdog/227912-21aten_r1power_fr10:36:342
249940,0watchdog/22615-21chrt07:46:022
249940,0watchdog/222248-21tail07:56:462
249940,0watchdog/212116-21if_err_eth1.311:06:382
249940,0watchdog/211326-21if_err_eth1.312:06:372
249940,0watchdog/210588-21sendmail_mailst08:36:462
249940,0watchdog/20-21swapper/212:01:372
179940,0migration/127320-21fschecks_time11:56:371
179940,0migration/126653-21kthreadcore08:51:411
179940,0migration/12659-21aten_r1power_en11:41:351
179940,0migration/126394-21timerandwakeup09:31:461
179940,0migration/124016-21kthreadcore11:11:411
179940,0migration/114917-21kthreadcore08:16:411
179940,0migration/113739-21kthreadcore08:41:381
179940,0migration/112990-21fschecks_count09:26:361
179940,0migration/112121-21kthreadcore11:46:381
169940,0watchdog/19291-21missed_timers08:11:421
169940,0watchdog/131993-21entropy08:56:381
169940,0watchdog/122249-21sed07:56:461
169940,0watchdog/112419-21if_eth010:46:381
169940,0watchdog/10-21swapper/111:06:381
169940,0watchdog/10-21swapper/109:57:061
169940,0watchdog/10-21swapper/108:46:381
141289944,0cyclictest0-21swapper/208:56:372
141289943,0cyclictest3556-21lldpd07:55:472
141289943,0cyclictest29561-21awk09:16:382
141289943,0cyclictest20685-21awk10:31:382
141289943,0cyclictest12344-21sadc09:06:242
141289943,0cyclictest11543-21awk11:46:372
141289941,0cyclictest0-21swapper/211:31:342
141279944,0cyclictest0-21swapper/109:40:161
141279944,0cyclictest0-21swapper/109:21:591
141279943,0cyclictest4587-21awk10:21:381
141279943,0cyclictest3870-21awk11:21:411
141279943,0cyclictest3556-21lldpd12:27:521
141279943,0cyclictest3556-21lldpd12:25:521
141279943,0cyclictest3514-21snmpd07:53:321
141279943,0cyclictest3290-21awk12:01:381
141279943,0cyclictest3241-21irqbalance09:54:321
141279943,0cyclictest20458-21awk10:51:381
141279943,0cyclictest19591-21awk11:51:381
141269944,0cyclictest0-21swapper/012:06:490
141269944,0cyclictest0-21swapper/010:42:090
141269943,0cyclictest3514-21snmpd09:52:320
141269943,0cyclictest21415-21awk09:31:380
141269943,0cyclictest16226-21awk07:31:380
141269943,0cyclictest13274-21awk09:46:410
141269943,0cyclictest12465-21awk08:41:360
141269943,0cyclictest10725-21sadc11:26:230
141269943,0cyclictest10166-21sadc12:06:230
141269943,0cyclictest0-21swapper/008:11:360
141269943,0cyclictest0-21swapper/007:51:410
141269940,0cyclictest28668-21munin-node07:41:450
149940,0migration/06718-21kthreadcore12:21:410
149940,0migration/031611-21kthreadcore10:16:430
149940,0migration/027328-21sh10:15:140
149940,0migration/026178-21irqrtprio08:51:400
149940,0migration/010712-21sh09:42:460
149940,0migration/010603-21latency_hist11:46:230
8215030,0irq/24-0000:00:0-21swapper/210:46:232
29715030,0irq/26-eth0-rx-0-21swapper/309:01:353
29715030,0irq/26-eth0-rx-0-21swapper/308:51:353
29715030,0irq/26-eth0-rx-0-21swapper/307:46:373
29715030,0irq/26-eth0-rx-0-21swapper/307:28:033
259930,0migration/24965-21kthreadcore07:21:402
259930,0migration/213340-21kthreadcore08:16:402
249930,0watchdog/20-21swapper/207:16:342
18296230,0sleep20-21swapper/208:21:422
179930,0migration/110354-21sh10:43:511
169930,0watchdog/10-21swapper/112:06:411
169930,0watchdog/10-21swapper/108:31:461
169930,0watchdog/10-21swapper/108:21:421
169930,0watchdog/10-21swapper/107:11:421
141289932,0cyclictest3556-21lldpd08:26:472
141289932,0cyclictest0-21swapper/208:41:242
141279933,0cyclictest13199-21awk09:46:411
141279933,0cyclictest0-21swapper/107:26:341
141279932,0cyclictest3514-21snmpd08:08:231
141279932,0cyclictest27679-21sensors07:36:451
141279932,0cyclictest26911-21cut08:26:451
141279932,0cyclictest23831-21awk08:01:381
141279932,0cyclictest19881-21awk11:31:381
141279932,0cyclictest16195-21awk07:31:371
141279932,0cyclictest11572-21sensors09:01:441
141269933,0cyclictest4977-21kworker/0:011:56:240
141269933,0cyclictest4977-21kworker/0:011:36:250
141269933,0cyclictest4977-21kworker/0:010:51:270
141269933,0cyclictest4977-21kworker/0:010:31:310
141269933,0cyclictest11229-21kworker/0:108:01:270
141269933,0cyclictest11229-21kworker/0:107:46:350
35120,0ktimersoftd/331550-21kthreadcore07:41:413
29715020,0irq/26-eth0-rx-0-21swapper/308:07:083
169920,0watchdog/10-21swapper/107:21:261
169920,0watchdog/10-21swapper/107:06:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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