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2026-03-02 - 10:32
[ 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 Mar 02, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
656623723,0sleep00-21swapper/018:57:560
731923625,0sleep30-21swapper/319:00:033
751223525,0sleep20-21swapper/219:02:142
727023122,0sleep10-21swapper/118:59:251
339970,0migration/31890-21sh00:18:173
76139963,0cyclictest6681-21diskstats21:42:462
76139963,0cyclictest5155-21smartctl23:42:472
76139963,0cyclictest316-21iostat_ios20:57:522
76139963,0cyclictest30421-21irqstats23:17:502
76139963,0cyclictest30413-21perl20:07:492
76139963,0cyclictest16483-21sensors_temp20:17:562
76139963,0cyclictest12527-21munin-run23:27:342
76139963,0cyclictest10881-21python23:02:572
76139963,0cyclictest0-21swapper/223:54:032
76139962,0cyclictest0-21swapper/222:55:482
76139961,0cyclictest271ktimersoftd/222:40:512
339960,0migration/35449-21sh21:20:583
339960,0migration/328783-21sh23:17:223
339960,0migration/327467-21sh23:55:383
339960,0migration/320931-21sh21:49:233
339960,0migration/320081-21sh00:12:393
339960,0migration/319790-21sh23:51:383
339960,0migration/318132-21sh00:28:513
339960,0migration/313245-21sh21:24:513
29715060,0irq/26-eth0-rx-29035-21perl23:57:483
29715060,0irq/26-eth0-rx-25810-21fschecks_time20:52:483
149960,0migration/027659-21sh23:14:030
149960,0migration/027046-21sh23:54:230
76139953,0cyclictest9955-21aten2.4-expect19:52:472
76139953,0cyclictest8877-21aten2.4-expect19:27:442
76139953,0cyclictest7793-21date19:02:352
76139953,0cyclictest6796-21entropy21:22:472
76139953,0cyclictest6057-21sh21:02:372
76139953,0cyclictest5932-21ssh22:02:382
76139953,0cyclictest5817-21aten2.4-expect22:22:462
76139953,0cyclictest5747-21df_inode22:42:472
76139953,0cyclictest5505-21diskstats20:37:482
76139953,0cyclictest4743-21perl20:12:462
76139953,0cyclictest4468-21diskstats00:02:462
76139953,0cyclictest3846-21tail00:22:452
76139953,0cyclictest3206-21munin-node19:47:462
76139953,0cyclictest31034-21diskstats21:37:462
76139953,0cyclictest30653-21basename21:17:462
76139953,0cyclictest30500-21cpu21:57:472
76139953,0cyclictest30132-21perl22:57:492
76139953,0cyclictest29930-21cut22:17:352
76139953,0cyclictest29168-21diskstats23:37:472
76139953,0cyclictest29065-21perl23:57:482
76139953,0cyclictest28718-21date19:42:352
76139953,0cyclictest28456-21sed00:17:462
76139953,0cyclictest28128-21df19:17:482
76139953,0cyclictest2672-21perl19:22:492
76139953,0cyclictest25514-21entropy20:52:472
76139953,0cyclictest24462-21df_abs20:27:472
76139953,0cyclictest23250-21sh20:02:472
76139953,0cyclictest22631-21cut21:32:442
76139953,0cyclictest22305-21ssh21:12:442
76139953,0cyclictest22215-21sed21:52:352
76139953,0cyclictest22091-21date19:37:352
76139953,0cyclictest21938-21date22:12:352
76139953,0cyclictest21887-21sh19:12:482
76139953,0cyclictest21812-21cut22:32:452
76139953,0cyclictest21260-21aten2.4-expect23:12:442
76139953,0cyclictest20724-21ssh23:32:372
76139953,0cyclictest20138-21aten2.4-expect00:12:452
76139953,0cyclictest18810-21df20:47:482
76139953,0cyclictest17454-21latency_hist20:22:352
76139953,0cyclictest16623-21aten2.4-expect19:57:482
76139953,0cyclictest14953-21perl21:47:492
76139953,0cyclictest14931-21sh21:07:472
76139953,0cyclictest14559-21ssh21:27:382
76139953,0cyclictest14481-21cut19:07:452
76139953,0cyclictest14317-21munin-node22:07:472
76139953,0cyclictest14144-21df22:27:472
76139953,0cyclictest13790-21diskstats22:47:472
76139953,0cyclictest13786-21perl23:07:472
76139953,0cyclictest12846-21diskstats23:47:472
76139953,0cyclictest12192-21sed20:42:472
76139953,0cyclictest12135-21df_inode00:27:462
76139953,0cyclictest12065-21sh00:07:392
76139952,0cyclictest30807-21munin-node20:32:472
76139952,0cyclictest15801-21df19:32:462
76139952,0cyclictest0-21swapper/223:27:412
76109955,0cyclictest0-21swapper/123:33:101
76109955,0cyclictest0-21swapper/121:07:581
76109955,0cyclictest0-21swapper/120:47:571
76109950,0cyclictest0-21swapper/123:18:121
76109950,0cyclictest0-21swapper/122:51:141
76109950,0cyclictest0-21swapper/100:13:041
76099950,0cyclictest0-21swapper/021:14:290
4150,0ktimersoftd/00-21swapper/022:53:300
339950,0migration/36346-21kthreadcore00:22:503
339950,0migration/36305-21aten_r1power_en21:42:443
339950,0migration/332568-21kthreadcore22:37:513
339950,0migration/331789-21kthreadcore20:07:523
339950,0migration/330266-21latency_hist21:57:353
339950,0migration/328747-21latency_hist19:42:353
339950,0migration/326713-21timerwakeupswit23:32:573
339950,0migration/323494-21kthreadcore19:37:523
339950,0migration/323332-21munin-node21:12:493
339950,0migration/319483-21kthreadcore19:57:533
339950,0migration/318717-21kthreadcore21:07:513
339950,0migration/318333-21ntp_offset23:27:553
339950,0migration/316065-21kthreadcore21:27:513
339950,0migration/31526-21kthreadcore23:17:513
339950,0migration/313125-21kthreadcore20:42:513
339950,0migration/311013-21pmu-power22:42:553
339950,0migration/310916-21aten_r1power_po20:17:463
339950,0migration/310627-21taskset23:43:073
29715050,0irq/26-eth0-rx-8947-21cut22:02:523
29715050,0irq/26-eth0-rx-4837-21ssh23:22:463
29715050,0irq/26-eth0-rx-19134-21missed_timers22:27:533
29715050,0irq/26-eth0-rx-15957-21kthreadcore22:07:523
29715050,0irq/26-eth0-rx-10866-21sensors23:02:573
29715050,0irq/26-eth0-rx-10422-21kthreadcore22:22:533
29715050,0irq/26-eth0-rx-0-21swapper/323:07:503
29715050,0irq/26-eth0-rx-0-21swapper/323:01:153
29715050,0irq/26-eth0-rx-0-21swapper/322:47:523
29715050,0irq/26-eth0-rx-0-21swapper/322:18:213
29715050,0irq/26-eth0-rx-0-21swapper/321:53:313
29715050,0irq/26-eth0-rx-0-21swapper/321:06:213
29715050,0irq/26-eth0-rx-0-21swapper/300:03:083
179950,0migration/19142-21cpuspeed_turbos19:27:451
179950,0migration/129536-21kthreadcore19:17:521
179950,0migration/12383-21kthreadcore21:57:521
179950,0migration/120483-21munin-node19:07:581
149950,0migration/08837-21aten_r1power_cu19:27:440
149950,0migration/06401-21kthreadcore19:22:530
149950,0migration/06295-21cpuspeed_turbos22:02:470
149950,0migration/05928-21kthreadcore00:02:500
149950,0migration/05730-21taskset21:01:340
149950,0migration/04609-21if_eth000:22:480
149950,0migration/04485-21ksmtuned20:33:040
149950,0migration/031018-21kthreadcore23:57:520
149950,0migration/030083-21aten_r1power_en22:17:460
149950,0migration/026216-21kthreadcore20:27:520
149950,0migration/023920-21kthreadcore23:32:510
149950,0migration/021939-21idleruntime19:12:480
149950,0migration/016963-21taskset20:19:190
149950,0migration/016234-21kthreadcore19:07:500
149950,0migration/015901-21kthreadcore21:07:500
149950,0migration/015122-21hddtemp_smartct21:47:490
149950,0migration/014077-21taskset19:05:460
149950,0migration/013544-21irqcore23:47:500
149950,0migration/012714-21munin-node00:27:490
149950,0migration/011509-21sendmail_mailtr22:22:570
149950,0migration/010938-21taskset23:44:030
149950,0migration/010846-21irqcore19:52:510
149950,0migration/010832-21rt-features23:02:560
149950,0migration/010372-21taskset20:15:180
76109944,0cyclictest0-21swapper/121:13:201
76109943,0cyclictest8675-21awk19:02:491
76109943,0cyclictest6678-21awk22:22:501
76109943,0cyclictest6260-21awk22:42:501
76109943,0cyclictest6090-21awk20:37:511
76109943,0cyclictest6074-21awk23:02:501
76109943,0cyclictest4588-21awk00:22:481
76109943,0cyclictest3556-21lldpd23:29:421
76109943,0cyclictest3556-21lldpd23:15:131
76109943,0cyclictest3556-21lldpd22:33:421
76109943,0cyclictest3556-21lldpd21:57:121
76109943,0cyclictest3556-21lldpd20:43:421
76109943,0cyclictest3556-21lldpd20:32:421
76109943,0cyclictest3556-21lldpd20:28:121
76109943,0cyclictest3556-21lldpd19:47:421
76109943,0cyclictest3514-21snmpd21:38:141
76109943,0cyclictest3514-21snmpd00:28:141
76109943,0cyclictest3514-21snmpd00:11:441
76109943,0cyclictest32618-21awk20:57:501
76109943,0cyclictest3068-21cut19:22:521
76109943,0cyclictest23520-21awk21:32:481
76109943,0cyclictest23024-21awk19:37:501
76109943,0cyclictest22933-21awk22:12:481
76109943,0cyclictest21327-21awk23:52:491
76109943,0cyclictest18387-21awk20:22:491
76109943,0cyclictest15014-21awk22:07:501
76109943,0cyclictest13895-21crond21:07:351
76109943,0cyclictest13290-21awk23:47:491
76109943,0cyclictest11713-21awk20:17:501
76109943,0cyclictest10702-21awk19:52:501
76099944,0cyclictest11581-21kworker/0:022:45:540
76099944,0cyclictest0-21swapper/022:00:120
76099943,0cyclictest7436-21sort21:02:490
76099943,0cyclictest3556-21lldpd23:21:120
76099943,0cyclictest3556-21lldpd21:35:420
76099943,0cyclictest3556-21lldpd20:55:420
76099943,0cyclictest3556-21lldpd20:48:420
76099943,0cyclictest29659-21awk23:37:490
76099943,0cyclictest22359-21turbostat.cron21:32:350
76099943,0cyclictest21063-21awk00:12:490
76099943,0cyclictest11581-21kworker/0:021:55:500
76099942,0cyclictest11581-21kworker/0:021:37:440
76099940,0cyclictest28591-21munin-run19:42:350
339940,0migration/39539-21taskset19:52:033
339940,0migration/38452-21ksmtuned19:26:033
339940,0migration/38030-21kthreadcore20:37:523
339940,0migration/330316-21kthreadcore19:17:533
339940,0migration/326260-21kthreadcore20:02:523
339940,0migration/323772-21taskset20:26:063
339940,0migration/315474-21taskset19:32:423
29715040,0irq/26-eth0-rx-586-21kthreadcore21:37:503
29715040,0irq/26-eth0-rx-0-21swapper/323:39:183
29715040,0irq/26-eth0-rx-0-21swapper/322:52:373
29715040,0irq/26-eth0-rx-0-21swapper/322:33:503
29715040,0irq/26-eth0-rx-0-21swapper/322:12:513
29715040,0irq/26-eth0-rx-0-21swapper/321:33:543
29715040,0irq/26-eth0-rx-0-21swapper/320:12:563
29715040,0irq/26-eth0-rx-0-21swapper/319:27:443
29715040,0irq/26-eth0-rx-0-21swapper/319:02:463
29715040,0irq/26-eth0-rx-0-21swapper/300:08:443
179940,0migration/18495-21kthreadcore20:12:501
179940,0migration/1839-21kthreadcore22:17:521
179940,0migration/18201-21kthreadcore22:02:521
179940,0migration/17060-21kthreadcore23:22:521
179940,0migration/132248-21kthreadcore22:57:521
179940,0migration/131680-21irqcore21:17:501
179940,0migration/130500-21needreboot20:52:541
179940,0migration/125255-21kthreadcore20:02:521
179940,0migration/12317-21kthreadcore22:37:521
179940,0migration/118935-21kthreadcore19:57:531
179940,0migration/117915-21kthreadcore23:07:511
179940,0migration/11623-21timerwakeupswit00:17:571
169940,0watchdog/16361-21munin-node21:22:451
169940,0watchdog/114612-21aten_r1power_cu21:27:451
169940,0watchdog/112463-21uptime21:42:571
169940,0watchdog/111531-21ssh00:06:441
169940,0watchdog/10-21swapper/123:57:521
169940,0watchdog/10-21swapper/123:42:571
169940,0watchdog/10-21swapper/123:37:571
169940,0watchdog/10-21swapper/121:47:531
169940,0watchdog/10-21swapper/119:32:461
149940,0migration/09389-21kthreadcore23:22:530
149940,0migration/031900-21kthreadcore22:37:510
149940,0migration/022748-21gltestperf22:12:470
149940,0migration/022670-21runrttasks19:59:440
149940,0migration/021176-21runrttasks22:10:540
149940,0migration/020782-21sh23:12:200
149940,0migration/017631-21kthreadcore22:27:520
149940,0migration/014034-21irqrtprio23:27:520
149940,0migration/013163-21sh21:24:350
149940,0migration/012163-21aten_r1power_fr00:07:450
76109932,0cyclictest3556-21lldpd22:53:421
76109932,0cyclictest3556-21lldpd20:09:121
76109932,0cyclictest14693-21awk22:27:501
76109930,0cyclictest0-21swapper/119:44:251
76099933,0cyclictest25006-21kworker/0:220:07:370
76099933,0cyclictest25006-21kworker/0:220:02:490
76099933,0cyclictest25006-21kworker/0:219:47:390
76099933,0cyclictest25006-21kworker/0:219:42:410
76099933,0cyclictest25006-21kworker/0:219:32:430
76099933,0cyclictest25006-21kworker/0:219:17:410
76099933,0cyclictest11581-21kworker/0:022:57:460
76099933,0cyclictest11581-21kworker/0:022:47:400
76099933,0cyclictest11581-21kworker/0:021:42:400
76099933,0cyclictest11581-21kworker/0:021:17:500
76099933,0cyclictest11581-21kworker/0:020:37:380
76099933,0cyclictest11581-21kworker/0:020:22:420
76099933,0cyclictest0-21swapper/022:32:500
76099932,0cyclictest3556-21lldpd20:42:420
76099930,0cyclictest1792-21ssh00:18:010
35130,0ktimersoftd/30-21swapper/320:50:363
29715030,0irq/26-eth0-rx-0-21swapper/320:57:563
29715030,0irq/26-eth0-rx-0-21swapper/320:32:473
29715030,0irq/26-eth0-rx-0-21swapper/319:52:463
29715030,0irq/26-eth0-rx-0-21swapper/319:12:453
29715030,0irq/26-eth0-rx-0-21swapper/319:11:413
19130,0ktimersoftd/10-21swapper/119:15:071
29715020,0irq/26-eth0-rx-0-21swapper/320:27:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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