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2026-02-21 - 12:45
[ 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 Feb 21, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450440,0irq/25-eth10-21swapper/319:01:493
1343324130,0sleep00-21swapper/019:02:360
1344723324,0sleep10-21swapper/119:02:451
1314822819,0sleep20-21swapper/218:59:182
35160,0ktimersoftd/30-21swapper/300:15:343
339960,0migration/332441-21sh23:55:133
339960,0migration/324821-21sh00:33:223
339960,0migration/310679-21sh21:40:263
29725060,0irq/27-eth0-tx-4262-21munin-node20:33:410
29715060,0irq/26-eth0-rx-5124-21cat22:38:423
29715060,0irq/26-eth0-rx-24790-21cut21:08:433
29715060,0irq/26-eth0-rx-10917-21df23:03:373
149960,0migration/09889-21sh22:41:190
149960,0migration/026564-21sh22:11:110
149960,0migration/026038-21sh22:30:390
149960,0migration/025644-21sh23:32:330
149960,0migration/017183-21sh23:26:090
135829960,0cyclictest0-21swapper/119:33:381
8215050,0irq/24-0000:00:16439-21latency_hist20:18:252
4150,0ktimersoftd/00-21swapper/000:04:470
339950,0migration/38026-21munin-node19:43:463
339950,0migration/37496-21runrttasks00:19:223
339950,0migration/37006-21kthreadcore23:18:413
339950,0migration/36473-21kthreadcore21:58:413
339950,0migration/33780-21latency_hist21:18:253
339950,0migration/332559-21latency22:33:423
339950,0migration/330042-21kthreadcore21:53:433
339950,0migration/329779-21kthreadcore19:38:413
339950,0migration/329302-21munin-node20:23:503
339950,0migration/328502-21taskset19:59:563
339950,0migration/327986-21kthreadcore23:33:413
339950,0migration/32287-21taskset21:34:313
339950,0migration/32119-21taskset22:58:123
339950,0migration/320106-21taskset19:07:243
339950,0migration/31892-21aten_r1power_po23:38:363
339950,0migration/315924-21diskmemload00:04:473
339950,0migration/315794-21munin-node23:43:473
339950,0migration/315786-21munin-node23:23:443
339950,0migration/313583-21kthreadcore21:43:423
339950,0migration/313560-21kthreadcore21:03:423
339950,0migration/311658-21kthreadcore19:48:433
29725050,0irq/27-eth0-tx-3514-21snmpd21:41:432
29725050,0irq/27-eth0-tx-29546-21kthreadcore21:53:422
29725050,0irq/27-eth0-tx-26503-21ssh22:31:592
29725050,0irq/27-eth0-tx-25225-21ssh23:10:172
29725050,0irq/27-eth0-tx-2027-21ssh21:14:272
29725050,0irq/27-eth0-tx-10977-21ssh21:21:032
29725050,0irq/27-eth0-tx-0-21swapper/223:13:342
29725050,0irq/27-eth0-tx-0-21swapper/222:55:532
29725050,0irq/27-eth0-tx-0-21swapper/222:20:362
29725050,0irq/27-eth0-tx-0-21swapper/222:13:412
29725050,0irq/27-eth0-tx-0-21swapper/221:58:382
29725050,0irq/27-eth0-tx-0-21swapper/221:45:322
29725050,0irq/27-eth0-tx-0-21swapper/221:28:362
29725050,0irq/27-eth0-tx-0-21swapper/021:03:290
29725050,0irq/27-eth0-tx-0-21swapper/021:03:110
29725050,0irq/27-eth0-tx-0-21swapper/020:58:100
29725050,0irq/27-eth0-tx-0-21swapper/019:48:370
29725050,0irq/27-eth0-tx-0-21swapper/019:38:380
29725050,0irq/27-eth0-tx-0-21swapper/019:16:430
29715050,0irq/26-eth0-rx-9166-21hostname00:23:363
29715050,0irq/26-eth0-rx-3728-21fschecks_count22:18:383
29715050,0irq/26-eth0-rx-25424-21ssh22:28:493
29715050,0irq/26-eth0-rx-23230-21python00:08:463
29715050,0irq/26-eth0-rx-21984-21kthreadcore22:08:403
29715050,0irq/26-eth0-rx-19150-21sed23:48:403
29715050,0irq/26-eth0-rx-14087-21cut21:23:423
29715050,0irq/26-eth0-rx-0-21swapper/323:30:073
29715050,0irq/26-eth0-rx-0-21swapper/323:13:463
29715050,0irq/26-eth0-rx-0-21swapper/323:08:353
29715050,0irq/26-eth0-rx-0-21swapper/322:58:363
29715050,0irq/26-eth0-rx-0-21swapper/322:49:093
29715050,0irq/26-eth0-rx-0-21swapper/322:43:433
29715050,0irq/26-eth0-rx-0-21swapper/322:27:433
29715050,0irq/26-eth0-rx-0-21swapper/322:16:393
29715050,0irq/26-eth0-rx-0-21swapper/321:48:333
29715050,0irq/26-eth0-rx-0-21swapper/321:28:333
259950,0migration/23363-21timerandwakeup20:28:462
259950,0migration/227995-21sh23:53:422
259950,0migration/22799-21kthreadcore20:53:442
259950,0migration/221176-21munin-node21:48:412
259950,0migration/219428-21irqrtprio23:28:402
259950,0migration/218146-21fschecks_time00:08:372
259950,0migration/217465-21sh22:23:562
249950,0watchdog/20-21swapper/220:48:402
22056250,0sleep325251-21kthreadcore19:08:433
179950,0migration/19995-21latency_hist20:13:261
179950,0migration/19557-21aten_r1power_po00:03:361
179950,0migration/19046-21latency_hist19:48:271
179950,0migration/1639-21munin-node19:13:491
179950,0migration/14012-21kthreadcore23:58:421
179950,0migration/129436-21taskset20:03:371
179950,0migration/128824-21kthreadcore00:13:431
179950,0migration/12379-21taskset21:15:191
179950,0migration/120999-21irqcore21:08:421
179950,0migration/117372-21unixbench_singl22:23:481
179950,0migration/117161-21aten_r1power_cu00:28:361
179950,0migration/115482-21kthreadcore20:38:431
179950,0migration/115304-21kthreadcore21:23:431
179950,0migration/115240-21kthreadcore22:03:421
14805255,0sleep019144-21kworker/0:019:28:380
149950,0migration/07297-21kthreadcore21:18:410
149950,0migration/07028-21kthreadcore22:18:420
149950,0migration/030243-21kthreadcore21:13:420
149950,0migration/029908-21runrttasks20:03:390
149950,0migration/027037-21idleruntime23:33:390
149950,0migration/023868-21taskset20:46:560
149950,0migration/022926-21kthreadcore23:08:410
149950,0migration/02218-21latency_hist19:43:270
149950,0migration/020515-21munin-node19:08:370
149950,0migration/020098-21kthreadcore20:18:440
149950,0migration/019503-21taskset21:26:590
149950,0migration/019419-21sendmail_mailqu19:03:450
149950,0migration/017680-21fschecks_count00:28:390
149950,0migration/016885-21latency_hist00:28:250
149950,0migration/011204-21latency_hist22:23:250
135889955,0cyclictest0-21swapper/222:03:292
135889955,0cyclictest0-21swapper/200:24:162
135889950,0cyclictest0-21swapper/222:35:012
135889950,0cyclictest0-21swapper/222:11:502
135889950,0cyclictest0-21swapper/221:07:022
135829955,0cyclictest11656-21diskmemload23:34:321
135829955,0cyclictest11656-21diskmemload22:43:081
135829955,0cyclictest0-21swapper/123:24:171
135829955,0cyclictest0-21swapper/121:08:141
135829950,0cyclictest0-21swapper/123:29:481
135829950,0cyclictest0-21swapper/121:42:171
135829950,0cyclictest0-21swapper/121:29:311
135749950,0cyclictest0-21swapper/023:43:490
135749950,0cyclictest0-21swapper/023:06:460
135749950,0cyclictest0-21swapper/022:59:310
135749950,0cyclictest0-21swapper/000:00:320
8215040,0irq/24-0000:00:0-21swapper/223:43:252
339940,0migration/35186-21kthreadcore19:18:423
339940,0migration/331798-21if_eth020:53:403
339940,0migration/328217-21runrttasks21:13:373
339940,0migration/326585-21kthreadcore19:33:433
339940,0migration/319495-21kthreadcore19:28:433
339940,0migration/31404-21sh23:58:343
339940,0migration/313776-21kthreadcore20:38:433
29725040,0irq/27-eth0-tx-15783-21telnet19:53:360
29725040,0irq/27-eth0-tx-10584-21munin-node23:03:402
29725040,0irq/27-eth0-tx-0-21swapper/223:48:372
29725040,0irq/27-eth0-tx-0-21swapper/223:38:272
29725040,0irq/27-eth0-tx-0-21swapper/223:33:362
29725040,0irq/27-eth0-tx-0-21swapper/222:58:382
29725040,0irq/27-eth0-tx-0-21swapper/222:48:262
29725040,0irq/27-eth0-tx-0-21swapper/222:43:472
29725040,0irq/27-eth0-tx-0-21swapper/221:26:092
29725040,0irq/27-eth0-tx-0-21swapper/221:09:012
29725040,0irq/27-eth0-tx-0-21swapper/200:28:362
29725040,0irq/27-eth0-tx-0-21swapper/200:18:472
29725040,0irq/27-eth0-tx-0-21swapper/020:48:480
29725040,0irq/27-eth0-tx-0-21swapper/019:58:380
29715040,0irq/26-eth0-rx-0-21swapper/322:03:333
29715040,0irq/26-eth0-rx-0-21swapper/320:58:423
29715040,0irq/26-eth0-rx-0-21swapper/320:38:253
29715040,0irq/26-eth0-rx-0-21swapper/320:18:383
29715040,0irq/26-eth0-rx-0-21swapper/319:53:373
259940,0migration/23212-21latency_hist20:08:262
259940,0migration/221011-21fschecks_time19:08:392
259940,0migration/216043-21kthreadcore20:38:442
259940,0migration/213895-21taskset19:03:362
249940,0watchdog/230223-21kthreadcore00:13:432
249940,0watchdog/223232-21if_err_eth119:58:402
249940,0watchdog/221197-21awk19:53:442
249940,0watchdog/20-21swapper/220:18:442
249940,0watchdog/20-21swapper/219:43:362
249940,0watchdog/20-21swapper/219:38:442
249940,0watchdog/20-21swapper/219:23:442
249940,0watchdog/20-21swapper/219:23:442
179940,0migration/19389-21runrttasks23:00:441
179940,0migration/1767-21taskset23:15:091
179940,0migration/15351-21kthreadcore21:58:411
179940,0migration/132636-21missed_timers22:33:431
179940,0migration/126306-21munin-node23:53:381
179940,0migration/123530-21irqcore19:58:421
179940,0migration/123339-21kthreadcore21:48:421
179940,0migration/122899-21missed_timers20:43:421
179940,0migration/11966-21taskset19:42:331
179940,0migration/117894-21kthreadcore19:53:411
179940,0migration/11417-21aten_r1power_fr19:18:361
179940,0migration/114078-21kthreadcore23:03:421
169940,0watchdog/18915-21awk19:23:401
169940,0watchdog/18915-21awk19:23:401
169940,0watchdog/17291-21users00:18:471
169940,0watchdog/14947-21iostat21:18:401
169940,0watchdog/128821-21idleruntime21:53:401
169940,0watchdog/120023-21ssh22:08:361
169940,0watchdog/118123-21ssh22:47:001
169940,0watchdog/117333-21grep20:18:401
169940,0watchdog/115649-21if_eth119:28:401
169940,0watchdog/114101-21cpuspeed_turbos19:03:361
169940,0watchdog/113743-21cut00:23:431
169940,0watchdog/111656-21diskmemload00:08:351
169940,0watchdog/10-21swapper/121:33:401
169940,0watchdog/10-21swapper/120:48:401
169940,0watchdog/10-21swapper/119:43:361
149940,0migration/08129-21kthreadcore21:58:420
149940,0migration/04551-21irqrtprio20:08:410
149940,0migration/026486-21latency_hist23:13:250
149940,0migration/025326-21sh22:49:380
149940,0migration/02464-21runrttasks22:17:020
149940,0migration/016824-21kthreadcore21:43:430
135889943,0cyclictest6095-21awk20:58:402
135889943,0cyclictest5240-21awk20:33:412
135889943,0cyclictest3514-21snmpd23:18:562
135889943,0cyclictest3514-21snmpd22:38:412
135889943,0cyclictest3514-21snmpd21:33:412
135889943,0cyclictest3514-21snmpd20:47:262
135889943,0cyclictest3514-21snmpd19:48:412
135889943,0cyclictest3514-21snmpd19:14:412
135889943,0cyclictest3514-21snmpd00:03:562
135889943,0cyclictest2284-21awk23:58:402
135889943,0cyclictest11238-21awk23:23:402
135829944,0cyclictest0-21swapper/123:09:191
135829944,0cyclictest0-21swapper/122:55:361
135829943,0cyclictest3514-21snmpd22:18:261
135829943,0cyclictest3514-21snmpd20:32:111
135829943,0cyclictest31800-21awk20:53:401
135829943,0cyclictest2708-21awk23:38:401
135829943,0cyclictest12924-21awk21:43:401
135749944,0cyclictest19144-21kworker/0:021:54:310
135749943,0cyclictest3556-21lldpd23:51:380
135749943,0cyclictest3556-21lldpd21:50:360
135749943,0cyclictest3556-21lldpd21:40:360
135749943,0cyclictest3556-21lldpd21:37:360
135749943,0cyclictest3241-21irqbalance22:03:540
135749943,0cyclictest3241-21irqbalance00:13:330
135749943,0cyclictest3241-21irqbalance00:08:430
135749943,0cyclictest3053-21awk23:18:380
135749943,0cyclictest27777-21awk22:53:390
135749943,0cyclictest2636-21awk23:38:390
135749943,0cyclictest2049-21awk00:18:390
135749943,0cyclictest19144-21kworker/0:019:35:320
135749943,0cyclictest11905-21awk20:38:410
339930,0migration/37684-21kthreadcore20:08:423
29715030,0irq/26-eth0-rx-0-21swapper/320:48:463
29715030,0irq/26-eth0-rx-0-21swapper/320:44:393
29715030,0irq/26-eth0-rx-0-21swapper/319:23:373
29715030,0irq/26-eth0-rx-0-21swapper/319:23:373
249930,0watchdog/20-21swapper/220:08:442
249930,0watchdog/20-21swapper/219:28:362
179930,0migration/118872-21diskmemload22:48:321
169930,0watchdog/10-21swapper/123:18:551
135889932,0cyclictest3514-21snmpd19:18:412
135889932,0cyclictest24260-21awk20:23:422
135889932,0cyclictest22230-21awk19:33:402
135829933,0cyclictest4331-21awk20:08:401
135829933,0cyclictest28540-21awk22:13:391
135829933,0cyclictest10829-21awk23:43:401
135829932,0cyclictest3514-21snmpd22:28:261
135829932,0cyclictest26072-21sensors19:08:471
135829932,0cyclictest18788-21awk23:48:391
135829932,0cyclictest106512sleep120:58:451
135829931,0cyclictest3198-1auditd20:23:261
135749933,0cyclictest19144-21kworker/0:022:33:330
135749933,0cyclictest19144-21kworker/0:021:08:590
135749933,0cyclictest19144-21kworker/0:020:28:270
135749933,0cyclictest19144-21kworker/0:020:23:290
135749933,0cyclictest19144-21kworker/0:020:13:290
135749933,0cyclictest19144-21kworker/0:019:23:340
135749933,0cyclictest19144-21kworker/0:019:23:340
135749933,0cyclictest19144-21kworker/0:019:18:300
135749932,0cyclictest31580-21sensors23:53:470
135749932,0cyclictest21224-21awk21:28:400
135749932,0cyclictest14058-21tr22:43:420
339920,0migration/330349-21diskstats20:28:373
29715020,0irq/26-eth0-rx-0-21swapper/320:13:273
29715020,0irq/26-eth0-rx-0-21swapper/320:03:363
29715020,0irq/26-eth0-rx-0-21swapper/319:13:563
169920,0watchdog/10-21swapper/120:33:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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