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2026-02-03 - 07:54
[ 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 #e, slot #4

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackeslot4s.osadl.org (updated Tue Feb 03, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2577188995551,3cyclictest2691738-21kworker/u8:0+flush-259:021:15:233
2577188994945,3cyclictest2629481-21kworker/u8:2+events_unbound20:35:243
2577180994946,2cyclictest2718372-21kworker/u8:3+events_unbound22:10:140
2577180994946,2cyclictest2718372-21kworker/u8:3+events_unbound22:00:220
2577180994744,2cyclictest2723741-21kworker/u8:1+events_unbound21:35:240
2577180994541,3cyclictest2821380-21kworker/u8:3+events_unbound23:05:200
2577188994440,3cyclictest2780154-21kworker/u8:2+flush-259:022:40:163
2577188994440,3cyclictest2780154-21kworker/u8:2+flush-259:022:40:153
2577180994441,2cyclictest2780154-21kworker/u8:2+events_unbound22:40:220
2577180994441,2cyclictest2780154-21kworker/u8:2+events_unbound22:40:220
2577180994239,2cyclictest2733767-21kworker/u8:2+events_unbound21:50:200
2577180994239,2cyclictest2671321-21kworker/u8:3+events_unbound20:45:180
2577188994138,2cyclictest2639811-21kworker/u8:4+events_unbound20:10:233
2577188994137,3cyclictest2862902-21kworker/u8:3+events_unbound00:20:223
2577188994137,2cyclictest2639811-21kworker/u8:4+events_unbound20:20:233
2577188994037,2cyclictest2691738-21kworker/u8:0+events_unbound21:05:213
2577188994037,2cyclictest2582295-21kworker/u8:3+events_unbound19:25:253
2577188994034,2cyclictest2609095-21kworker/u8:0+events_unbound19:55:153
2577184994035,3cyclictest252-21systemd-journal19:54:592
2577180994033,5cyclictest2727793-21ntpq21:30:220
2577180993936,2cyclictest2831678-21kworker/u8:2+events_unbound23:30:140
2577180993936,2cyclictest2831678-21kworker/u8:2+events_unbound23:20:210
2577188993835,2cyclictest2739000-21kworker/u8:1+events_unbound22:15:223
2577180993835,2cyclictest2603725-21kworker/u8:2+events_unbound19:45:140
2577188993734,2cyclictest2661053-21apt-get20:30:123
2577188993734,2cyclictest2639811-21kworker/u8:4+events_unbound20:25:163
2577184993732,3cyclictest2795623-21kworker/u8:0+flush-259:000:05:112
2577188993633,2cyclictest2831678-21kworker/u8:2+events_unbound23:55:203
2577188993633,2cyclictest2702407-21kworker/u8:1+events_unbound21:10:243
2577188993633,2cyclictest2518212-21kworker/u8:2+flush-259:019:20:153
2577188993632,3cyclictest2691738-21kworker/u8:0+flush-259:021:30:223
2577184993631,3cyclictest2831678-21kworker/u8:2+flush-259:023:50:012
2577180993633,2cyclictest2733767-21kworker/u8:2+events_unbound21:40:200
2577180993632,3cyclictest2582295-21kworker/u8:3+events_unbound19:35:220
2577188993531,3cyclictest2862902-21kworker/u8:3+events_unbound00:15:153
2577188993530,3cyclictest2759622-21kworker/u8:2+events_unbound22:05:243
2577184993530,3cyclictest2681640-21/usr/sbin/munin20:50:222
2577180993530,2cyclictest2795623-21kworker/u8:0+events_unbound00:05:140
2577188993431,2cyclictest2609095-21kworker/u8:0+flush-259:019:55:003
2577188993430,3cyclictest2879003-21kworker/u8:4+events_unbound00:00:163
2577188993426,3cyclictest2795623-21kworker/u8:0+events_unbound23:10:223
2577184993429,3cyclictest2831678-21kworker/u8:2+flush-259:023:20:152
2577183993430,3cyclictest2718372-21kworker/u8:3+flush-259:021:45:011
2577183993429,4cyclictest2806141-21apt-get22:50:101
2577188993330,2cyclictest2712503-21kworker/u8:2+events_unbound21:25:243
2577188993329,3cyclictest2811057-21kworker/u8:1+events_unbound22:55:143
2577184993329,3cyclictest2609095-21kworker/u8:0+flush-259:020:15:182
2577180993330,2cyclictest2795623-21kworker/u8:0+flush-259:023:15:340
2577188993229,2cyclictest2718372-21kworker/u8:3+events_unbound22:50:213
2577183993227,4cyclictest2634628-21latency_hist20:05:001
2577180993228,3cyclictest2915153-21apt-get00:35:140
2577188993128,2cyclictest2862902-21kworker/u8:3+events_unbound00:30:143
2577188993128,2cyclictest2795623-21kworker/u8:0+events_unbound00:05:233
2577188993125,3cyclictest2780154-21kworker/u8:2+events_unbound22:25:193
2577184993127,3cyclictest2733767-21kworker/u8:2+flush-259:021:50:142
2577180993129,2cyclictest2749505-21kworker/u8:0+events_unbound21:55:170
2577180993126,3cyclictest509-21rs:main0
2577184993025,3cyclictest2780379-21/usr/sbin/munin22:25:152
2577180993027,2cyclictest2718372-21kworker/u8:3+events_unbound22:16:340
2577188992926,2cyclictest2821380-21kworker/u8:3+events_unbound23:05:183
2577188992926,2cyclictest2718372-21kworker/u8:3+events_unbound21:40:133
2577188992925,3cyclictest2831678-21kworker/u8:2+events_unbound23:50:143
2577188992925,3cyclictest2592654-21kworker/u8:1+events_unbound19:30:143
2577188992924,4cyclictest2795623-21kworker/u8:0+events_unbound00:27:293
2577184992926,2cyclictest2780154-21kworker/u8:2+flush-259:023:00:232
2577184992925,3cyclictest2795623-21kworker/u8:0+flush-259:023:10:182
2577184992923,4cyclictest2857765-21latency_hist23:40:012
2577183992924,3cyclictest2879003-21kworker/u8:4+flush-259:000:00:271
2577188992825,2cyclictest2909484-21kworker/u8:1+flush-259:000:37:353
2577188992825,2cyclictest2831678-21kworker/u8:2+events_unbound23:20:233
2577183992823,4cyclictest2862902-21kworker/u8:3+flush-259:000:15:251
2577183992822,4cyclictest2872262-21ntpq23:50:201
2577180992825,3cyclictest2582295-21kworker/u8:3+events_unbound19:57:010
2577180992824,3cyclictest2811304-21apt-get22:55:120
2577180992823,4cyclictest2826942-21diskstats23:10:150
2577180992823,4cyclictest2603700-21latency_hist19:35:000
2577188992724,2cyclictest2609095-21kworker/u8:0+events_unbound20:15:263
2577184992720,5cyclictest2618306-21ntpq19:45:222
2577183992723,3cyclictest2718372-21kworker/u8:3+events_unbound22:45:251
2577180992724,2cyclictest2639811-21kworker/u8:4+events_unbound20:42:330
2577180992723,3cyclictest2862902-21kworker/u8:3+events_unbound00:02:350
257718099270,26cyclictest1-21systemd21:05:340
2577188992624,2cyclictest2739000-21kworker/u8:1+events_unbound22:20:233
2577188992623,2cyclictest2831678-21kworker/u8:2+flush-259:023:45:163
2577188992622,3cyclictest2831678-21kworker/u8:2+events_unbound23:37:363
2577188992622,3cyclictest2639782-21kworker/u8:1+flush-259:020:10:003
2577184992620,4cyclictest2878957-21cat00:00:012
2577183992622,3cyclictest2691738-21kworker/u8:0+flush-259:021:05:211
2577183992621,4cyclictest2785583-21/usr/sbin/munin22:30:211
2577180992623,2cyclictest2671321-21kworker/u8:3+events_unbound21:00:170
2577180992621,3cyclictest2582270-21latency_hist19:15:020
2577188992522,2cyclictest2862902-21kworker/u8:3+flush-259:000:10:263
2577188992522,2cyclictest2831678-21kworker/u8:2+events_unbound23:41:353
2577188992522,2cyclictest2723741-21kworker/u8:1+events_unbound21:35:173
2577188992521,3cyclictest2609095-21kworker/u8:0+events_unbound20:00:163
2577184992520,3cyclictest2821380-21kworker/u8:3+flush-259:023:09:592
2577184992518,5cyclictest2898528-21ntpq00:15:212
2577183992519,4cyclictest252-21systemd-journal00:09:341
2577180992523,2cyclictest2862902-21kworker/u8:3+events_unbound00:25:150
2577180992523,2cyclictest2831678-21kworker/u8:2+flush-259:023:40:260
2577180992522,2cyclictest2780154-21kworker/u8:2+events_unbound22:30:120
2577180992522,2cyclictest2639811-21kworker/u8:4+events_unbound20:58:350
2577180992521,3cyclictest2644922-21apt-get20:14:590
2577188992417,5cyclictest2609291-21diskstats19:40:133
2577184992420,3cyclictest2811057-21kworker/u8:1+flush-259:022:55:232
2577183992419,4cyclictest2749541-21apt-get21:55:131
2577180992421,2cyclictest2629481-21kworker/u8:2+events_unbound20:28:350
2577180992421,2cyclictest2609095-21kworker/u8:0+events_unbound19:41:560
2577188992321,2cyclictest2733767-21kworker/u8:2+flush-259:021:50:223
2577188992319,3cyclictest2671321-21kworker/u8:3+events_unbound21:02:213
2577183992318,4cyclictest2717523-21ntpq21:20:221
2577180992320,2cyclictest2629481-21kworker/u8:2+events_unbound20:30:160
2577188992219,2cyclictest2528639-21kworker/u8:0+flush-259:019:10:253
2577188992218,3cyclictest2739241-21apt-get21:45:133
2577184992218,3cyclictest2831678-21kworker/u8:2+flush-259:023:40:252
2577184992216,4cyclictest2811036-21latency_hist22:55:002
2577183992219,2cyclictest2831678-21kworker/u8:2+events_unbound23:45:221
2577183992216,4cyclictest252-21systemd-journal23:20:341
2577183992216,4cyclictest252-21systemd-journal20:53:351
2577180992220,2cyclictest2718372-21kworker/u8:3+flush-259:022:35:350
2577180992220,2cyclictest2718372-21kworker/u8:3+flush-259:022:35:350
2577180992219,2cyclictest2629481-21kworker/u8:2+events_unbound20:20:300
2577188992118,2cyclictest2639811-21kworker/u8:4+events_unbound20:50:173
2577184992118,2cyclictest2795623-21kworker/u8:0+events_unbound23:30:222
2577183992117,3cyclictest2795623-21kworker/u8:0+events_unbound23:30:231
2577183992116,4cyclictest2919183-21ntpq00:35:241
2577183992116,4cyclictest2775285-21apt-get22:20:121
2577183992116,4cyclictest2692368-21/usr/sbin/munin21:00:161
2577183992116,4cyclictest2603966-21apt-get19:35:101
2577183992116,3cyclictest252-21systemd-journal20:37:071
2577180992118,2cyclictest2862902-21kworker/u8:3+flush-259:000:35:000
2577180992114,5cyclictest2649612-21ntpq20:15:220
2577188992017,2cyclictest2780154-21kworker/u8:2+flush-259:023:00:163
2577188992016,3cyclictest2671321-21kworker/u8:3+events_unbound20:40:233
2577184992017,2cyclictest2691738-21kworker/u8:0+flush-259:021:05:232
2577183992017,2cyclictest2795623-21kworker/u8:0+flush-259:023:15:221
2577183992014,4cyclictest2759622-21kworker/u8:2+flush-259:022:09:591
257718399201,17cyclictest2598204-21munin-run19:30:021
2577180992017,2cyclictest2831678-21kworker/u8:2+events_unbound23:45:350
2577180992017,2cyclictest2619193-21kworker/u8:1+events_unbound19:50:200
2577188991916,2cyclictest2795623-21kworker/u8:0+flush-259:023:30:253
2577188991916,2cyclictest2718372-21kworker/u8:3+events_unbound22:39:363
2577188991916,2cyclictest2718372-21kworker/u8:3+events_unbound22:39:353
2577188991916,2cyclictest2518212-21kworker/u8:2+events_unbound19:15:193
2577184991916,2cyclictest2780369-21kworker/u8:4+events_unbound22:30:212
2577184991913,4cyclictest2899638-21/usr/sbin/munin00:20:142
2577183991916,2cyclictest2728938-21apt-get21:35:121
2577183991914,4cyclictest2629455-21latency_hist20:00:011
2577183991914,4cyclictest252-21systemd-journal21:30:001
2577180991917,2cyclictest2795623-21kworker/u8:0+flush-259:000:10:350
2577180991917,2cyclictest2582295-21kworker/u8:3+flush-259:020:07:010
2577184991815,1cyclictest0-21swapper/222:15:002
2577184991814,3cyclictest2831678-21kworker/u8:2+flush-259:023:55:242
2577184991813,4cyclictest252-21systemd-journal23:30:012
2577184991812,4cyclictest252-21systemd-journal22:00:002
2577183991815,2cyclictest2831678-21kworker/u8:2+flush-259:023:25:251
2577183991815,2cyclictest2816222-21idleruntime-cro23:00:001
2577183991815,1cyclictest0-21swapper/100:00:011
2577183991811,1cyclictest0-21swapper/122:05:001
257718099187,3cyclictest16-21ksoftirqd/023:04:590
2577180991816,2cyclictest2629481-21kworker/u8:2+flush-259:020:35:270
2577180991816,1cyclictest0-21swapper/019:20:000
2577180991815,2cyclictest2639811-21kworker/u8:4+events_unbound20:50:260
2577180991814,3cyclictest2718335-21cron21:25:000
2577188991714,2cyclictest2739000-21kworker/u8:1+events_unbound22:10:193
2577188991714,2cyclictest2718372-21kworker/u8:3+flush-259:022:00:163
2577188991714,2cyclictest2639811-21kworker/u8:4+events_unbound20:45:243
2577188991712,2cyclictest2795623-21kworker/u8:0+events_unbound23:18:343
2577184991713,3cyclictest252-21systemd-journal21:20:012
2577184991712,4cyclictest252-21systemd-journal20:15:002
2577183991714,2cyclictest2766001-21kthreadcore22:10:171
2577183991714,2cyclictest2691738-21kworker/u8:0+flush-259:021:15:171
2577183991710,5cyclictest252-21systemd-journal20:40:341
257718099177,3cyclictest16-21ksoftirqd/000:00:010
2577180991714,2cyclictest2831678-21kworker/u8:2+flush-259:023:25:110
2577180991714,2cyclictest2780126-21idleruntime-cro22:25:000
2577180991714,2cyclictest2718372-21kworker/u8:3+events_unbound22:52:220
2577188991613,2cyclictest2780154-21kworker/u8:2+events_unbound22:30:233
257718499162,6cyclictest2608871-21munin-run19:39:592
2577184991613,2cyclictest2870577-21kthreadcore23:50:182
2577184991613,2cyclictest2733821-21turbostat21:40:012
2577184991613,2cyclictest2587437-21apt-get19:20:022
2577184991613,1cyclictest0-21swapper/221:00:012
2577184991612,3cyclictest2780154-21kworker/u8:2+flush-259:022:40:262
2577184991612,3cyclictest2780154-21kworker/u8:2+flush-259:022:40:262
257718499160,14cyclictest2894283-21unin-run00:15:002
2577183991612,3cyclictest2603725-21kworker/u8:2+flush-259:019:45:161
2577183991612,3cyclictest252-21systemd-journal23:05:001
2577183991610,4cyclictest2598825-21/usr/sbin/munin19:30:141
257718099169,1cyclictest191rcu_preempt20:05:000
2577180991614,1cyclictest60350irq/132-enp0s29f1:rx-023:35:160
2577180991610,5cyclictest2711888-21ntpq21:15:220
2577184991511,3cyclictest2723741-21kworker/u8:1+flush-259:021:35:012
2577184991511,2cyclictest0-21swapper/220:09:592
257718399159,4cyclictest252-21systemd-journal19:11:501
257718399158,5cyclictest2691891-21cp21:00:001
2577183991511,3cyclictest2592989-21cron19:25:001
2577180991513,1cyclictest60350irq/132-enp0s29f1:rx-021:25:190
2577180991512,2cyclictest2795623-21kworker/u8:0+flush-259:000:23:450
2577180991512,2cyclictest2702407-21kworker/u8:1+events_unbound21:11:350
2577188991412,2cyclictest2603725-21kworker/u8:2+events_unbound19:49:353
2577188991411,2cyclictest2831678-21kworker/u8:2+events_unbound23:25:133
2577184991410,2cyclictest2920029-21munin-plugin-st00:40:002
257718399149,4cyclictest2780154-21kworker/u8:2+flush-259:022:40:171
257718399149,4cyclictest2780154-21kworker/u8:2+flush-259:022:40:161
257718399148,5cyclictest0-21swapper/120:34:591
257718399148,4cyclictest252-21systemd-journal21:49:351
2577180991410,3cyclictest2862902-21kworker/u8:3+flush-259:000:15:170
257718499138,4cyclictest2831891-21/usr/sbin/munin23:15:152
257718499135,2cyclictest2593240-21/usr/sbin/munin19:25:162
2577184991311,1cyclictest0-21swapper/222:50:002
2577184991310,2cyclictest2613574-21unixbench_multi19:40:262
257718399139,3cyclictest2518212-21kworker/u8:2+flush-259:019:15:231
257718399131,3cyclictest2826513-21awk23:10:001
257718099137,1cyclictest191rcu_preempt22:05:180
2577180991310,2cyclictest2780154-21kworker/u8:2+events_unbound22:27:000
257718399129,2cyclictest2646632-21tr20:15:181
257718399128,2cyclictest0-21swapper/121:35:011
257718899117,3cyclictest2582295-21kworker/u8:3+events_unbound19:35:243
257718499118,2cyclictest2692461-21cpuspeed_turbos21:00:132
257718499118,2cyclictest2670113-21needreboot20:35:202
257718499118,2cyclictest2655201-21unixbench_singl20:20:262
257718499116,3cyclictest2759277-21sshd22:01:342
257718399119,1cyclictest0-21swapper/100:30:221
257718399118,2cyclictest2774539-21unixbench_multi22:15:251
257718399118,2cyclictest2620446-21kthreadcore19:50:161
257718399118,2cyclictest2609196-21cpuspeed_turbos19:40:131
257718399118,2cyclictest0-21swapper/120:10:171
257718399118,2cyclictest0-21swapper/100:25:181
257718399117,3cyclictest311ktimers/100:20:121
257718399116,3cyclictest2718372-21kworker/u8:3+flush-259:022:35:211
257718399116,3cyclictest2718372-21kworker/u8:3+flush-259:022:35:211
257718399115,4cyclictest273-21systemd-udevd23:43:201
257718399111,4cyclictest2749287-21idleruntime-cro21:54:591
257718399111,2cyclictest2831650-21latency_hist23:15:011
257718499108,1cyclictest0-21swapper/220:45:172
257718499107,2cyclictest2656115-21fschecks_time20:25:172
257718499103,3cyclictest2775028-21idleruntime-cro22:20:002
257718399107,2cyclictest2852978-21cpuspeed_turbos23:35:131
257718399106,2cyclictest0-21swapper/120:20:191
25771849996,2cyclictest2723029-21unixbench_multi21:25:262
25771839995,3cyclictest2702718-21cpuspeed_turbos21:10:131
25771839994,3cyclictest2639811-21kworker/u8:4+flush-259:020:25:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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