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2026-02-07 - 05:27
[ 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 Sat Feb 07, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1671724028,0sleep10-21swapper/119:01:101
1672923726,0sleep30-21swapper/319:01:203
1067223524,0sleep00-21swapper/018:59:530
1693522723,0sleep20-21swapper/219:03:472
170899974,0cyclictest11353-21munin-run19:24:460
339960,0migration/329934-21timerandwakeup21:30:073
339960,0migration/329232-21sh22:51:403
339960,0migration/324322-21munin-node19:09:573
339960,0migration/323206-21sh23:12:573
339960,0migration/323042-21sh23:33:323
339960,0migration/321766-21sh21:05:243
339960,0migration/318907-21munin-node21:45:043
339960,0migration/313310-21sh23:02:503
29715060,0irq/26-eth0-rx-7436-21df_inode22:19:583
29715060,0irq/26-eth0-rx-659-21iostat_ios23:20:003
29715060,0irq/26-eth0-rx-11477-21cut22:00:023
170909966,0cyclictest15354-21diskmemload00:20:051
170909960,0cyclictest15354-21diskmemload22:58:541
170909960,0cyclictest0-21swapper/121:37:041
149960,0migration/05753-21sh22:16:530
149960,0migration/032218-21fschecks_count21:14:570
149960,0migration/016225-21fschecks_count21:45:000
149960,0migration/015037-21sh21:43:320
149960,0migration/012911-21taskset00:25:370
339950,0migration/38456-21taskset20:57:043
339950,0migration/331090-21munin-node22:34:563
339950,0migration/330836-21cpuspeed_turbos19:14:563
339950,0migration/3308-21irqcore21:55:003
339950,0migration/330609-21aten_r1power_en22:54:563
339950,0migration/330120-21runrttasks23:35:543
339950,0migration/326558-21taskset20:23:093
339950,0migration/326346-21kthreadcore23:55:003
339950,0migration/325191-21kthreadcore21:10:013
339950,0migration/319567-21cpuspeed_turbos19:54:583
339950,0migration/319283-21munin-node20:15:073
339950,0migration/318210-21kthreadcore22:25:013
339950,0migration/317455-21aten_r1power_vo19:04:583
339950,0migration/316059-21kthreadcore19:50:023
29725050,0irq/27-eth0-tx-8925-21munin-node21:00:040
29725050,0irq/27-eth0-tx-8649-21if_eth1.221:19:592
29725050,0irq/27-eth0-tx-769-21cat22:35:012
29725050,0irq/27-eth0-tx-24067-21munin-node23:14:542
29725050,0irq/27-eth0-tx-13603-21munin-node20:15:000
29725050,0irq/27-eth0-tx-13265-21ssh00:05:302
29725050,0irq/27-eth0-tx-1197-21munin-node20:30:010
29725050,0irq/27-eth0-tx-0-21swapper/223:03:452
29725050,0irq/27-eth0-tx-0-21swapper/222:11:192
29725050,0irq/27-eth0-tx-0-21swapper/221:28:482
29725050,0irq/27-eth0-tx-0-21swapper/021:05:260
29725050,0irq/27-eth0-tx-0-21swapper/020:06:520
29725050,0irq/27-eth0-tx-0-21swapper/019:33:510
29715050,0irq/26-eth0-rx-31674-21df_abs23:59:573
29715050,0irq/26-eth0-rx-27279-21cut22:30:023
29715050,0irq/26-eth0-rx-24668-21cat00:15:013
29715050,0irq/26-eth0-rx-20390-21python00:30:063
29715050,0irq/26-eth0-rx-19950-21latency22:45:033
29715050,0irq/26-eth0-rx-140492sleep320:36:213
29715050,0irq/26-eth0-rx-13211-21ssh22:41:223
29715050,0irq/26-eth0-rx-0-21swapper/323:45:253
29715050,0irq/26-eth0-rx-0-21swapper/323:09:393
29715050,0irq/26-eth0-rx-0-21swapper/322:15:013
29715050,0irq/26-eth0-rx-0-21swapper/322:05:403
29715050,0irq/26-eth0-rx-0-21swapper/321:49:593
29715050,0irq/26-eth0-rx-0-21swapper/321:25:023
29715050,0irq/26-eth0-rx-0-21swapper/321:15:013
29715050,0irq/26-eth0-rx-0-21swapper/319:19:563
29715050,0irq/26-eth0-rx-0-21swapper/300:25:223
29715050,0irq/26-eth0-rx-0-21swapper/300:04:483
27150,0ktimersoftd/20-21swapper/221:30:472
259950,0migration/28492-21kthreadcore22:20:022
259950,0migration/23137-21kthreadcore00:00:022
259950,0migration/229630-21kthreadcore20:25:012
259950,0migration/222486-21runrttasks23:31:532
259950,0migration/220147-21kthreadcore22:05:012
259950,0migration/220070-21kthreadcore21:45:042
259950,0migration/217286-21kthreadcore23:05:012
259950,0migration/215862-21irqrtprio22:45:012
259950,0migration/212289-21kthreadcore22:00:022
249950,0watchdog/224313-21iostat_ios23:54:592
249950,0watchdog/212332-21needreboot20:10:032
170919955,0cyclictest15354-21diskmemload00:24:502
170919950,0cyclictest0-21swapper/222:25:582
170919950,0cyclictest0-21swapper/221:04:562
170909955,0cyclictest0-21swapper/123:57:231
170909955,0cyclictest0-21swapper/123:45:531
170909955,0cyclictest0-21swapper/119:30:101
170909950,0cyclictest0-21swapper/121:15:281
170909950,0cyclictest0-21swapper/100:13:571
179950,0migration/17852-21munin-node20:10:001
179950,0migration/16476-21cpuspeed_turbos22:59:551
179950,0migration/128616-21unixbench_multi22:50:081
179950,0migration/127854-21kthreadcore19:35:021
179950,0migration/122064-21latency_hist23:09:441
179950,0migration/120647-21ksmtuned00:30:081
179950,0migration/117861-21taskset19:27:411
179950,0migration/11724-21kthreadcore22:35:011
179950,0migration/111186-21kthreadcore21:20:011
169950,0watchdog/129723-21unixbench_multi21:10:111
149950,0migration/08587-21kthreadcore19:44:590
149950,0migration/08132-21kthreadcore22:40:010
149950,0migration/07124-21taskset21:59:430
149950,0migration/06912-21latency_hist00:04:440
149950,0migration/06295-21kthreadcore20:55:020
149950,0migration/032605-21irqcore19:40:020
149950,0migration/032045-21aten_r1power_cu21:34:550
149950,0migration/030519-21sh21:51:550
149950,0migration/030133-21sh22:54:200
149950,0migration/029986-21taskset22:11:340
149950,0migration/027443-21kthreadcore21:10:020
149950,0migration/027415-21kthreadcore19:35:020
149950,0migration/026338-21kthreadcore20:45:010
149950,0migration/025427-21kthreadcore23:35:000
149950,0migration/022171-21sh22:28:070
149950,0migration/022083-21taskset23:51:580
149950,0migration/019581-21cpuspeed_turbos19:54:580
149950,0migration/019540-21kthreadcore23:30:000
149950,0migration/018920-21kthreadcore20:40:020
149950,0migration/01762-21kthreadcore19:15:010
149950,0migration/016908-21kthreadcore22:45:020
149950,0migration/015546-21fschecks_time00:09:560
149950,0migration/013161-21munin-node22:00:060
8215040,0irq/24-0000:00:23662-21cat23:34:442
339940,0migration/37348-21kthreadcore19:44:593
339940,0migration/332156-21taskset20:02:173
339940,0migration/327987-21kthreadcore19:35:023
339940,0migration/321542-21diskmemload23:50:213
339940,0migration/32061-21kthreadcore00:20:013
339940,0migration/310621-21kthreadcore20:10:023
29725040,0irq/27-eth0-tx-7308-21munin-node23:45:022
29725040,0irq/27-eth0-tx-32035-21ssh23:19:442
29725040,0irq/27-eth0-tx-31657-21ssh23:39:492
29725040,0irq/27-eth0-tx-27892-21munin-node20:49:570
29725040,0irq/27-eth0-tx-22315-21ssh23:10:172
29725040,0irq/27-eth0-tx-0-21swapper/223:49:532
29725040,0irq/27-eth0-tx-0-21swapper/222:55:552
29725040,0irq/27-eth0-tx-0-21swapper/222:49:472
29725040,0irq/27-eth0-tx-0-21swapper/222:40:412
29725040,0irq/27-eth0-tx-0-21swapper/222:17:272
29725040,0irq/27-eth0-tx-0-21swapper/221:51:222
29725040,0irq/27-eth0-tx-0-21swapper/221:14:542
29715040,0irq/26-eth0-rx-0-21swapper/323:40:003
29715040,0irq/26-eth0-rx-0-21swapper/323:25:013
29715040,0irq/26-eth0-rx-0-21swapper/323:15:593
29715040,0irq/26-eth0-rx-0-21swapper/322:14:233
29715040,0irq/26-eth0-rx-0-21swapper/321:40:003
29715040,0irq/26-eth0-rx-0-21swapper/321:38:003
29715040,0irq/26-eth0-rx-0-21swapper/321:19:583
29715040,0irq/26-eth0-rx-0-21swapper/320:49:463
29715040,0irq/26-eth0-rx-0-21swapper/300:10:033
259940,0migration/28278-21kthreadcore19:20:022
259940,0migration/231765-21aten_r1power_cu21:54:552
259940,0migration/229420-21kthreadcore19:35:022
259940,0migration/228727-21kthreadcore21:10:032
259940,0migration/226440-21fschecks_count19:59:572
259940,0migration/22626-21kthreadcore20:05:012
259940,0migration/224709-21munin-node19:55:052
259940,0migration/219945-21needreboot20:40:032
259940,0migration/219815-21kthreadcore19:05:032
259940,0migration/21608-21kthreadcore19:15:012
259940,0migration/21468-21kthreadcore19:40:032
259940,0migration/213712-21irqcore19:50:012
259940,0migration/21266-21kthreadcore21:35:012
249940,0watchdog/212859-21kthreadcore20:35:032
249940,0watchdog/20-21swapper/200:15:022
170919944,0cyclictest0-21swapper/221:42:372
170919943,0cyclictest9856-21awk20:59:592
170919943,0cyclictest8695-21awk23:24:592
170919943,0cyclictest3556-21lldpd20:49:572
170919943,0cyclictest3556-21lldpd00:19:572
170919943,0cyclictest3514-21snmpd22:30:162
170919943,0cyclictest3514-21snmpd19:47:012
170919943,0cyclictest3514-21snmpd19:31:012
170919943,0cyclictest3514-21snmpd19:28:312
170919943,0cyclictest3514-21snmpd19:09:462
170919943,0cyclictest15825-21awk00:09:572
170919943,0cyclictest15503-21awk00:29:592
170909944,0cyclictest15354-21diskmemload21:26:591
170909944,0cyclictest0-21swapper/122:11:361
170909943,0cyclictest9777-21awk20:59:591
170909943,0cyclictest7521-21awk22:39:591
170909943,0cyclictest6853-21awk19:44:581
170909943,0cyclictest3556-21lldpd21:51:271
170909943,0cyclictest3514-21snmpd23:21:311
170909943,0cyclictest3514-21snmpd23:07:311
170909943,0cyclictest3514-21snmpd22:17:311
170909943,0cyclictest3514-21snmpd20:30:011
170909943,0cyclictest21142-21awk20:19:591
170909943,0cyclictest16445-21awk21:04:591
170909941,0cyclictest31935-21grep23:59:581
170899943,0cyclictest7853-21awk20:10:000
170899943,0cyclictest3556-21lldpd23:06:570
170899943,0cyclictest3556-21lldpd21:24:270
170899943,0cyclictest3514-21snmpd20:03:160
170899943,0cyclictest3241-21irqbalance21:27:530
170899943,0cyclictest32303-21awk00:00:000
170899943,0cyclictest31893-21awk22:34:590
170899943,0cyclictest26934-21munin-node20:24:570
170899943,0cyclictest16327-21awk22:04:580
170899943,0cyclictest12430-21awk19:24:590
170899940,0cyclictest26714-21munin-run20:24:450
179940,0migration/18465-21taskset20:57:071
179940,0migration/18218-21munin-node22:20:011
179940,0migration/16839-21kthreadcore19:20:011
179940,0migration/131699-21switchtime20:00:061
179940,0migration/130036-21sh23:35:391
179940,0migration/129840-21kthreadcore20:50:011
179940,0migration/129198-21kthreadcore21:30:021
179940,0migration/12400-21kthreadcore21:55:011
179940,0migration/123386-21df_abs22:29:571
179940,0migration/121735-21fschecks_count20:44:571
179940,0migration/120802-21munin-node22:25:061
179940,0migration/118133-21kthreadcore20:15:041
179940,0migration/116603-21kernelversion23:49:591
179940,0migration/11558-21kthreadcore23:40:001
179940,0migration/115252-21kthreadcore19:50:021
179940,0migration/114321-21taskset23:26:271
179940,0migration/112880-21needreboot22:00:031
169940,0watchdog/129630-21munin-node23:14:591
169940,0watchdog/117937-21perl19:05:001
169940,0watchdog/115422-21munin-node22:44:591
169940,0watchdog/1139022sleep100:07:221
169940,0watchdog/10-21swapper/123:29:591
169940,0watchdog/10-21swapper/121:44:591
149940,0migration/027616-21kthreadcore19:10:010
149940,0migration/024576-21kthreadcore22:30:010
149940,0migration/013943-21vmstat20:35:090
149940,0migration/013705-21timerwakeupswit23:25:060
149940,0migration/013170-21switchtime23:45:060
8215030,0irq/24-0000:00:0-21swapper/220:44:462
339930,0migration/36349-21runrttasks20:05:503
29725030,0irq/27-eth0-tx-0-21swapper/019:49:570
29715030,0irq/26-eth0-rx-0-21swapper/320:59:553
29715030,0irq/26-eth0-rx-0-21swapper/320:39:563
29715030,0irq/26-eth0-rx-0-21swapper/320:24:563
29715030,0irq/26-eth0-rx-0-21swapper/319:39:563
29715030,0irq/26-eth0-rx-0-21swapper/319:29:563
29715030,0irq/26-eth0-rx-0-21swapper/319:24:553
170919932,0cyclictest3556-21lldpd20:32:272
170919932,0cyclictest3514-21snmpd20:21:012
170919932,0cyclictest2981-21awk20:54:592
170919932,0cyclictest14584-21awk20:15:012
170909932,0cyclictest9607-21kthreadcore20:35:021
170909932,0cyclictest8587-21awk21:39:581
170909932,0cyclictest32443-21awk19:40:011
170909932,0cyclictest26392-21cut19:10:011
170909932,0cyclictest25176-21grep19:55:081
170909932,0cyclictest20240-21sensors20:40:071
170899933,0cyclictest32105-21kworker/0:223:39:540
170899933,0cyclictest32105-21kworker/0:223:19:520
170899933,0cyclictest32105-21kworker/0:223:14:500
170899933,0cyclictest32105-21kworker/0:223:10:000
170899933,0cyclictest32105-21kworker/0:222:54:480
170899933,0cyclictest32105-21kworker/0:222:19:480
170899933,0cyclictest32105-21kworker/0:219:04:570
170899933,0cyclictest32105-21kworker/0:200:29:500
170899933,0cyclictest32105-21kworker/0:200:19:460
170899932,0cyclictest7159-21awk22:59:580
170899932,0cyclictest3514-21snmpd23:54:460
170899932,0cyclictest23830-21awk00:14:590
179930,0migration/14082-21timerwakeupswit19:15:091
169930,0watchdog/128225-21kthreadcore00:15:021
169930,0watchdog/10-21swapper/122:05:431
169930,0watchdog/10-21swapper/120:04:591
169930,0watchdog/10-21swapper/100:24:581
149930,0migration/023974-21sh21:29:460
329920,0watchdog/30-21swapper/320:45:003
29715020,0irq/26-eth0-rx-0-21swapper/320:29:473
169920,0watchdog/10-21swapper/120:24:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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