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2026-02-06 - 22:14
[ 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 Fri Feb 06, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450390,0irq/25-eth10-21swapper/307:02:023
2450223929,0sleep20-21swapper/207:04:082
2454723622,0sleep00-21swapper/007:04:420
2426423223,0sleep10-21swapper/107:01:231
246289976,0cyclictest0-21swapper/209:28:442
339960,0migration/36108-21sh09:54:053
339960,0migration/35823-21sh09:32:103
339960,0migration/327614-21sh11:48:273
339960,0migration/315636-21munin-node08:34:583
339960,0migration/311015-21munin-node08:55:053
29725060,0irq/27-eth0-tx-13461-21munin-node07:45:050
29725060,0irq/27-eth0-tx-0-21swapper/007:40:090
29715060,0irq/26-eth0-rx-21015-21sh12:07:553
29715060,0irq/26-eth0-rx-19871-21ntp_states10:20:073
29715060,0irq/26-eth0-rx-0-21swapper/310:15:353
246269966,0cyclictest22876-21diskmemload09:11:161
246269960,0cyclictest0-21swapper/112:15:251
149960,0migration/028645-21sh11:09:370
149960,0migration/022182-21sh10:04:180
149960,0migration/019166-21sh11:00:180
339950,0migration/39127-21taskset08:50:373
339950,0migration/3677-21kthreadcore08:45:053
339950,0migration/36629-21latency_hist07:39:483
339950,0migration/36346-21fschecks_count07:15:003
339950,0migration/35936-21fschecks_time10:35:003
339950,0migration/35485-21kthreadcore08:25:053
339950,0migration/34487-21munin-node09:10:093
339950,0migration/332011-21kthreadcore10:10:033
339950,0migration/331904-21munin-node07:09:593
339950,0migration/327086-21kthreadcore08:40:053
339950,0migration/326163-21cpuspeed_turbos07:30:023
339950,0migration/325851-21switchtime07:50:113
339950,0migration/322818-21kthreadcore08:15:063
339950,0migration/322555-21latency_hist10:04:473
339950,0migration/321868-21munin-node09:00:063
339950,0migration/31930-21munin-node11:30:093
339950,0migration/314885-21kthreadcore07:45:043
339950,0migration/314136-21munin-node08:30:063
339950,0migration/312693-21taskset10:59:463
339950,0migration/312106-21taskset12:20:323
29725050,0irq/27-eth0-tx-4242-21munin-node11:35:082
29725050,0irq/27-eth0-tx-3514-21snmpd09:04:570
29725050,0irq/27-eth0-tx-3020-21ssh11:52:582
29725050,0irq/27-eth0-tx-29357-21ssh09:05:472
29725050,0irq/27-eth0-tx-20116-21munin-node07:50:070
29725050,0irq/27-eth0-tx-11943-21ssh10:36:352
29725050,0irq/27-eth0-tx-1036-21munin-node07:59:590
29725050,0irq/27-eth0-tx-0-21swapper/211:18:392
29725050,0irq/27-eth0-tx-0-21swapper/210:42:282
29725050,0irq/27-eth0-tx-0-21swapper/007:55:060
29725050,0irq/27-eth0-tx-0-21swapper/007:36:430
29725050,0irq/27-eth0-tx-0-21swapper/007:31:420
29715050,0irq/26-eth0-rx-7155-21grep09:55:023
29715050,0irq/26-eth0-rx-6849-21ssh09:14:513
29715050,0irq/26-eth0-rx-32421-21tr10:30:053
29715050,0irq/26-eth0-rx-31150-21awk12:15:033
29715050,0irq/26-eth0-rx-26814-21tr12:10:013
29715050,0irq/26-eth0-rx-26778-21vmstat11:25:123
29715050,0irq/26-eth0-rx-22335-21kthreadcore11:05:033
29715050,0irq/26-eth0-rx-15250-21tune2fs10:00:003
29715050,0irq/26-eth0-rx-142362chrt09:38:203
29715050,0irq/26-eth0-rx-0-21swapper/312:32:493
29715050,0irq/26-eth0-rx-0-21swapper/312:25:043
29715050,0irq/26-eth0-rx-0-21swapper/311:14:523
29715050,0irq/26-eth0-rx-0-21swapper/311:14:423
29715050,0irq/26-eth0-rx-0-21swapper/310:47:213
29715050,0irq/26-eth0-rx-0-21swapper/310:26:283
29715050,0irq/26-eth0-rx-0-21swapper/309:40:373
29715050,0irq/26-eth0-rx-0-21swapper/309:22:423
259950,0migration/231104-21sh12:15:032
259950,0migration/228475-21sh10:48:162
259950,0migration/228412-21sh12:31:152
259950,0migration/226892-21kthreadcore12:10:012
259950,0migration/221898-21latency_hist08:39:482
259950,0migration/221566-21turbostat12:29:472
259950,0migration/219032-21kthreadcore09:00:042
259950,0migration/216931-21kthreadcore10:20:042
259950,0migration/210082-21kthreadcore12:20:042
246289955,0cyclictest0-21swapper/211:03:582
246289955,0cyclictest0-21swapper/209:38:212
246289954,0cyclictest0-21swapper/209:09:592
246289950,0cyclictest0-21swapper/211:48:542
246289950,0cyclictest0-21swapper/211:10:352
246289950,0cyclictest0-21swapper/210:09:442
246269955,0cyclictest22876-21diskmemload11:17:521
246269955,0cyclictest0-21swapper/109:50:411
246269954,0cyclictest20814-21sadc08:14:481
246269950,0cyclictest0-21swapper/112:33:041
246269950,0cyclictest0-21swapper/111:29:131
246269950,0cyclictest0-21swapper/109:37:171
246269950,0cyclictest0-21swapper/109:18:031
246259955,0cyclictest0-21swapper/011:57:090
246259950,0cyclictest0-21swapper/010:11:020
249950,0watchdog/2917-21tr10:30:062
249950,0watchdog/214890-21kthreadcore12:00:052
249950,0watchdog/214555-21timerwakeupswit08:30:102
19150,0ktimersoftd/10-21swapper/111:41:211
179950,0migration/18088-21kthreadcore11:35:031
179950,0migration/124523-21kthreadcore08:40:041
169950,0watchdog/19324-21cut11:55:051
169950,0watchdog/1916-21cut10:30:061
149950,0migration/07855-21kthreadcore07:15:030
149950,0migration/05112-21munin-node11:35:010
149950,0migration/03384-21df_abs08:50:000
149950,0migration/031763-21cpuspeed_turbos07:09:590
149950,0migration/031191-21kthreadcore10:30:050
149950,0migration/030851-21kthreadcore11:10:020
149950,0migration/028856-21munin-node11:50:010
149950,0migration/028149-21latency_hist11:49:470
149950,0migration/024418-21munin-node10:45:050
149950,0migration/022520-21df_abs12:09:560
149950,0migration/022280-21taskset09:43:310
149950,0migration/021618-21sh12:09:390
149950,0migration/021128-21latency_hist10:44:470
149950,0migration/020855-21sh11:25:000
149950,0migration/020424-21latency09:20:070
149950,0migration/019128-21latency_hist07:24:480
149950,0migration/018903-21sh11:20:350
149950,0migration/018750-21taskset12:01:540
149950,0migration/014992-21kthreadcore07:20:050
149950,0migration/013816-21taskset08:05:350
149950,0migration/013480-21taskset09:36:070
149950,0migration/013438-21taskset09:56:570
149950,0migration/012676-21kthreadcore08:30:050
149950,0migration/010808-21taskset11:15:180
8215040,0irq/24-0000:00:1789-21latency_hist08:24:482
339940,0migration/38494-21kthreadcore07:40:063
339940,0migration/330586-21kthreadcore07:55:043
339940,0migration/326933-21kthreadcore07:05:053
339940,0migration/317590-21kthreadcore10:40:053
339940,0migration/317448-21kthreadcore11:20:063
29725040,0irq/27-eth0-tx-27348-21ssh11:05:502
29725040,0irq/27-eth0-tx-22876-21diskmemload09:50:092
29725040,0irq/27-eth0-tx-15026-21ssh09:39:592
29725040,0irq/27-eth0-tx-0-21swapper/212:06:392
29725040,0irq/27-eth0-tx-0-21swapper/210:24:502
29725040,0irq/27-eth0-tx-0-21swapper/210:11:402
29725040,0irq/27-eth0-tx-0-21swapper/209:56:522
29725040,0irq/27-eth0-tx-0-21swapper/209:15:012
29725040,0irq/27-eth0-tx-0-21swapper/008:56:550
29725040,0irq/27-eth0-tx-0-21swapper/007:05:050
29715040,0irq/26-eth0-rx-3929-21sh11:54:493
29715040,0irq/26-eth0-rx-0-21swapper/312:03:323
29715040,0irq/26-eth0-rx-0-21swapper/311:50:093
29715040,0irq/26-eth0-rx-0-21swapper/311:39:513
29715040,0irq/26-eth0-rx-0-21swapper/311:36:463
29715040,0irq/26-eth0-rx-0-21swapper/311:00:053
29715040,0irq/26-eth0-rx-0-21swapper/310:50:023
29715040,0irq/26-eth0-rx-0-21swapper/309:44:583
29715040,0irq/26-eth0-rx-0-21swapper/309:25:053
29715040,0irq/26-eth0-rx-0-21swapper/309:05:213
29715040,0irq/26-eth0-rx-0-21swapper/308:20:003
259940,0migration/2691-21kthreadcore08:45:052
259940,0migration/23864-21idleruntime08:50:022
259940,0migration/231271-21latency_hist09:29:482
259940,0migration/230675-21kthreadcore07:30:072
259940,0migration/229375-21kthreadcore08:20:042
259940,0migration/216662-21kthreadcore07:20:052
259940,0migration/215170-21aten_r1power_fr09:20:002
259940,0migration/213943-21fschecks_count07:45:012
259940,0migration/21377-21kthreadcore07:10:042
259940,0migration/212600-21runrttasks11:19:532
259940,0migration/210812-21irqcore08:55:042
246289944,0cyclictest0-21swapper/209:59:572
246289943,0cyclictest4894-21awk11:55:022
246289943,0cyclictest3556-21lldpd11:39:512
246289943,0cyclictest3556-21lldpd08:11:112
246289943,0cyclictest3556-21lldpd08:00:412
246289943,0cyclictest3556-21lldpd07:55:112
246289943,0cyclictest3556-21lldpd07:50:412
246289943,0cyclictest3556-21lldpd07:27:102
246289943,0cyclictest23720-21tail09:45:012
246289943,0cyclictest21894-21awk08:15:032
246269944,0cyclictest0-21swapper/110:54:511
246269944,0cyclictest0-21swapper/109:24:021
246269943,0cyclictest7217-21awk10:15:021
246269943,0cyclictest3556-21lldpd08:22:121
246269943,0cyclictest3514-21snmpd12:25:461
246269943,0cyclictest3514-21snmpd12:11:011
246269943,0cyclictest3514-21snmpd10:42:311
246269943,0cyclictest3514-21snmpd10:20:461
246269943,0cyclictest3514-21snmpd10:02:311
246269943,0cyclictest3514-21snmpd08:53:311
246269943,0cyclictest3241-21irqbalance11:02:161
246269943,0cyclictest3241-21irqbalance10:46:161
246269943,0cyclictest32369-21awk07:10:011
246269943,0cyclictest31663-21awk10:10:021
246269943,0cyclictest24213-21awk09:25:031
246269943,0cyclictest14421-21awk07:45:031
246269943,0cyclictest13719-21grep08:05:111
246259944,0cyclictest0-21swapper/010:50:370
246259944,0cyclictest0-21swapper/009:17:540
246259943,0cyclictest3241-21irqbalance12:27:150
246259943,0cyclictest3241-21irqbalance10:36:060
246259943,0cyclictest3241-21irqbalance10:17:160
246259943,0cyclictest31856-21awk09:50:030
246259940,0cyclictest0-21swapper/010:58:010
249940,0watchdog/229902-21perl10:50:022
249940,0watchdog/228433-21chrt08:44:262
249940,0watchdog/222876-21diskmemload10:14:582
249940,0watchdog/20-21swapper/211:30:052
249940,0watchdog/20-21swapper/211:25:012
249940,0watchdog/20-21swapper/210:55:062
249940,0watchdog/20-21swapper/207:40:062
179940,0migration/16513-21kthreadcore08:25:051
179940,0migration/132203-21netstat07:55:051
179940,0migration/130002-21kthreadcore07:05:061
179940,0migration/129996-21kthreadcore11:50:051
179940,0migration/129813-21irqcore11:30:041
179940,0migration/127607-21kthreadcore09:05:051
179940,0migration/127423-21kthreadcore07:30:061
179940,0migration/126385-21mdstat11:05:051
179940,0migration/123668-21kthreadcore10:25:041
179940,0migration/122126-21kthreadcore11:45:051
179940,0migration/113682-21kthreadcore12:00:051
179940,0migration/112937-21kthreadcore08:55:051
179940,0migration/111769-21timerandwakeup12:20:091
169940,0watchdog/19954-21cut07:40:061
169940,0watchdog/18895-21kthreadcore09:55:061
169940,0watchdog/15192-21ssh09:30:181
169940,0watchdog/128581-21timerandwakeup10:05:101
169940,0watchdog/126760-21sensors08:15:101
169940,0watchdog/122876-21diskmemload10:49:501
169940,0watchdog/10-21swapper/111:10:021
169940,0watchdog/10-21swapper/109:45:101
169940,0watchdog/10-21swapper/109:40:061
149940,0migration/029165-21sh10:06:110
149940,0migration/027936-21kthreadcore09:25:060
149940,0migration/018217-21kthreadcore10:20:040
149940,0migration/016241-21kthreadcore08:10:020
339930,0migration/325645-21idleruntime-cro07:29:483
339930,0migration/314410-21taskset08:09:553
29715030,0irq/26-eth0-rx-0-21swapper/308:05:493
29715030,0irq/26-eth0-rx-0-21swapper/307:20:023
259930,0migration/26071-21cpuspeed_turbos07:14:582
246289933,0cyclictest3556-21lldpd08:09:412
246289932,0cyclictest25712-21awk07:05:032
246269932,0cyclictest3556-21lldpd07:36:111
246269932,0cyclictest3514-21snmpd10:35:311
246269932,0cyclictest21104-21awk07:50:041
246269932,0cyclictest18254-21grep08:35:031
246269932,0cyclictest14385-21sendmail_mailst08:30:091
246269932,0cyclictest13100-21grep07:20:011
246269931,0cyclictest0-21swapper/109:00:041
246259933,0cyclictest7976-21kworker/0:008:19:530
246259933,0cyclictest7976-21kworker/0:008:14:530
246259933,0cyclictest28532-21kworker/0:212:29:480
246259933,0cyclictest28532-21kworker/0:212:19:580
246259933,0cyclictest28532-21kworker/0:211:40:090
246259933,0cyclictest28532-21kworker/0:211:29:490
246259933,0cyclictest28532-21kworker/0:209:29:550
246259933,0cyclictest28532-21kworker/0:208:59:530
246259933,0cyclictest28532-21kworker/0:208:45:210
246259933,0cyclictest28532-21kworker/0:208:39:570
246259933,0cyclictest28532-21kworker/0:208:24:550
246259933,0cyclictest22595-21awk10:25:020
246259932,0cyclictest4518-21sensors09:10:090
246259932,0cyclictest3241-21irqbalance12:14:550
246259932,0cyclictest23960-21awk09:45:020
246259932,0cyclictest15433-21basename08:34:570
249930,0watchdog/20-21swapper/207:38:182
179930,0migration/110603-21kthreadcore07:15:041
169930,0watchdog/12560-40yum-updatesd-he08:47:461
169930,0watchdog/10-21swapper/112:07:051
169930,0watchdog/10-21swapper/111:20:091
169930,0watchdog/10-21swapper/107:59:581
29715020,0irq/26-eth0-rx-0-21swapper/308:00:143
246269921,0cyclictest19100-21cat07:24:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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