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2026-01-12 - 17:16
[ 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 792 highest latencies:
System rackeslot4s.osadl.org (updated Mon Jan 12, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2796913993630,4cyclictest3066501-21/usr/sbin/munin11:30:221
2796917993126,3cyclictest3102281-21latency_hist12:05:002
2796913992822,4cyclictest3076559-21latency_hist11:40:011
2796920992720,5cyclictest2821873-21ntpq07:30:243
2796920992720,5cyclictest2821873-21ntpq07:30:233
279691099270,25cyclictest2915970-21true09:05:000
2796913992517,6cyclictest252-21systemd-journal08:05:011
2796910992520,4cyclictest2947112-21apt-get09:35:110
2796910992520,4cyclictest252-21systemd-journal11:19:500
2796910992520,3cyclictest2791753-21kworker/u8:4+flush-259:007:25:110
2796910992520,3cyclictest2791753-21kworker/u8:4+flush-259:007:25:100
2796910992518,5cyclictest3091965-21latency_hist11:55:000
2796920992418,4cyclictest252-21systemd-journal09:30:003
2796910992417,5cyclictest2957125-21latency_hist09:45:000
2796920992319,3cyclictest3128764-21latency_hist12:35:003
2796917992319,3cyclictest2988051-21kworker/u8:1+flush-259:010:20:202
2796913992318,3cyclictest2941894-21kworker/u8:0+flush-259:010:15:001
2796910992316,5cyclictest2848535-21latency_hist08:00:000
2796920992217,3cyclictest2905893-21/usr/sbin/munin08:55:143
2796920992115,4cyclictest252-21systemd-journal08:46:203
2796917992117,3cyclictest2827538-21kworker/u8:0+flush-259:007:45:252
2796917992115,4cyclictest3118422-21latency_hist12:25:002
2796913992117,3cyclictest3014830-21kworker/u8:0+flush-259:011:05:221
2796913992117,3cyclictest2858732-21kworker/u8:0+flush-259:009:00:211
2796910992117,3cyclictest3008579-21apt-get10:35:010
2796910992116,3cyclictest252-21systemd-journal09:45:190
2796910992112,6cyclictest2837285-21ntpq07:45:220
2796920992016,3cyclictest252-21systemd-journal09:05:003
2796920992013,5cyclictest2926261-21latency_hist09:14:593
2796917992015,3cyclictest3014161-21latency_hist10:40:012
2796917992014,4cyclictest3061339-21/usr/sbin/munin11:25:152
2796913992016,3cyclictest2791753-21kworker/u8:4+flush-259:007:20:161
2796913992015,3cyclictest3129028-21apt-get12:35:111
2796913992015,3cyclictest252-21systemd-journal08:55:501
2796913992014,4cyclictest3087091-21/usr/sbin/munin11:50:141
2796910992015,4cyclictest252-21systemd-journal11:45:000
2796920991915,3cyclictest3014830-21kworker/u8:0+flush-259:010:45:003
2796920991914,3cyclictest2838170-21sh07:49:593
2796917991915,3cyclictest2732954-21kworker/u8:2+flush-259:007:35:152
2796913991916,2cyclictest3045262-21kworker/u8:1+flush-259:011:20:161
2796913991915,3cyclictest3034881-21kworker/u8:3+events_unbound11:40:141
2796913991915,2cyclictest2932073-21irqcore09:20:141
2796913991914,4cyclictest2812413-21kworker/u8:1+events_unbound08:20:011
2796913991914,3cyclictest3102323-21kworker/u8:0+flush-259:012:05:201
2796913991914,3cyclictest2988051-21kworker/u8:1+events_unbound10:50:241
2796913991912,5cyclictest3018475-21ntpq10:40:221
2796913991912,5cyclictest2940845-21ntpq09:25:221
2796910991913,4cyclictest2858848-21latency_hist08:10:010
2796920991815,2cyclictest2843597-21kworker/u8:3+flush-259:008:00:013
2796920991813,3cyclictest252-21systemd-journal10:20:503
2796917991813,3cyclictest2843849-21cut07:55:142
279691399185,8cyclictest2900492-21munin-run08:50:011
2796910991813,4cyclictest3014830-21kworker/u8:0+flush-259:010:40:250
2796910991813,3cyclictest2807475-21apt-get07:20:110
2796910991812,4cyclictest3066492-21kworker/u8:2+flush-259:012:00:170
2796920991715,1cyclictest2957803-21irqcore09:45:173
2796920991713,3cyclictest252-21systemd-journal10:30:253
2796920991712,3cyclictest252-21systemd-journal11:11:503
2796917991714,2cyclictest2854366-21irqcore08:05:172
2796917991712,4cyclictest2796845-21latency_hist07:10:012
2796913991714,2cyclictest3093252-21kthreadcore11:55:161
2796913991713,3cyclictest3034881-21kworker/u8:3+flush-259:011:15:151
2796913991712,3cyclictest2885301-21apt-get08:35:091
279691099179,5cyclictest3061102-21latency_hist11:25:010
2796910991715,1cyclictest3050901-21kworker/0:0-events12:07:500
2796910991714,2cyclictest60350irq/132-enp0s29f1:rx-009:25:220
2796910991713,3cyclictest2926304-21kworker/u8:2+flush-259:009:20:210
2796910991711,4cyclictest252-21systemd-journal09:55:150
2796920991613,1cyclictest0-21swapper/310:05:003
2796920991612,3cyclictest3040283-21/usr/sbin/munin11:05:143
2796920991612,3cyclictest2911043-21kworker/u8:3+flush-259:010:20:003
2796920991612,3cyclictest2911043-21kworker/u8:3+flush-259:010:20:003
2796917991614,1cyclictest2972574-21cron10:00:002
2796917991613,2cyclictest2896028-21irqcore08:45:162
2796917991611,3cyclictest252-21systemd-journal10:35:002
279691399169,5cyclictest2883775-21ntpq08:30:231
279691399169,2cyclictest2874326-21idleruntime-cro08:25:011
2796913991613,2cyclictest2978393-21irqcore10:05:151
2796913991610,4cyclictest2900729-21/usr/sbin/munin08:50:131
2796910991614,1cyclictest60350irq/132-enp0s29f1:rx-011:47:340
2796910991614,1cyclictest60350irq/132-enp0s29f1:rx-008:50:240
2796910991613,2cyclictest60350irq/132-enp0s29f1:rx-010:55:170
2796910991613,2cyclictest60350irq/132-enp0s29f1:rx-009:12:080
2796910991613,2cyclictest60350irq/132-enp0s29f1:rx-007:10:180
2796910991610,4cyclictest252-21systemd-journal07:35:510
2796920991512,2cyclictest2926600-21cpuspeed_turbos09:15:143
2796920991512,2cyclictest2884731-21gpgv08:35:003
2796920991511,3cyclictest252-21systemd-journal08:55:013
2796917991512,2cyclictest3046341-21irqcore11:10:162
2796917991512,2cyclictest2911043-21kworker/u8:3+flush-259:009:55:002
2796917991512,2cyclictest2894501-21ntp_offset08:40:222
2796917991511,3cyclictest2869414-21/usr/sbin/munin08:20:142
279691399159,4cyclictest509-21rs:main1
279691399159,4cyclictest2993433-21/usr/sbin/munin10:20:191
2796913991512,1cyclictest0-21swapper/108:10:011
2796913991511,3cyclictest2732954-21kworker/u8:2+flush-259:007:35:251
279691399151,12cyclictest1-21systemd11:48:501
2796913991510,4cyclictest2941894-21kworker/u8:0+flush-259:009:30:231
2796913991510,3cyclictest2879498-21kworker/u8:3+flush-259:008:40:231
2796910991514,1cyclictest60350irq/132-enp0s29f1:rx-008:24:370
2796910991513,2cyclictest60350irq/132-enp0s29f1:rx-009:19:140
2796910991513,1cyclictest60350irq/132-enp0s29f1:rx-012:20:180
2796910991513,1cyclictest60350irq/132-enp0s29f1:rx-011:29:430
2796910991513,1cyclictest60350irq/132-enp0s29f1:rx-011:00:230
2796910991513,1cyclictest60350irq/132-enp0s29f1:rx-010:23:000
2796910991513,1cyclictest60350irq/132-enp0s29f1:rx-010:17:380
2796910991513,1cyclictest60350irq/132-enp0s29f1:rx-010:17:380
2796910991513,1cyclictest60350irq/132-enp0s29f1:rx-009:30:150
2796910991513,1cyclictest60350irq/132-enp0s29f1:rx-008:10:220
2796910991513,1cyclictest60350irq/132-enp0s29f1:rx-007:51:550
2796910991512,2cyclictest60350irq/132-enp0s29f1:rx-012:30:210
2796910991512,2cyclictest60350irq/132-enp0s29f1:rx-010:45:140
2796910991512,2cyclictest60350irq/132-enp0s29f1:rx-010:30:250
2796910991512,2cyclictest60350irq/132-enp0s29f1:rx-008:40:170
2796910991512,2cyclictest60350irq/132-enp0s29f1:rx-007:30:120
2796910991512,2cyclictest60350irq/132-enp0s29f1:rx-007:30:110
2796910991512,1cyclictest2869187-21turbostat08:20:010
2796910991511,3cyclictest60350irq/132-enp0s29f1:rx-008:00:180
2796910991511,3cyclictest3092231-21apt-get11:55:100
2796910991511,3cyclictest2879498-21kworker/u8:3+flush-259:008:45:160
2796910991511,2cyclictest1-21systemd11:11:500
2796920991412,1cyclictest0-21swapper/307:45:013
2796920991411,2cyclictest3123104-21unixbench_multi12:25:233
2796920991411,2cyclictest3024819-21cpuspeed_turbos10:50:133
2796920991410,2cyclictest500-21systemd-logind08:40:013
2796917991412,1cyclictest0-21swapper/212:00:002
2796917991410,3cyclictest2791753-21kworker/u8:4+flush-259:007:25:002
279691399149,4cyclictest2988051-21kworker/u8:1+flush-259:010:40:001
279691399149,3cyclictest2827538-21kworker/u8:0+events_unbound07:45:171
279691399148,4cyclictest2972588-21latency_hist10:00:011
279691399147,5cyclictest3066260-21latency_hist11:30:011
2796913991412,1cyclictest0-21swapper/112:30:001
2796913991410,3cyclictest2858732-21kworker/u8:0+flush-259:009:10:151
2796913991410,3cyclictest2812413-21kworker/u8:1+flush-259:007:40:181
2796913991410,3cyclictest2812413-21kworker/u8:1+events_unbound07:55:201
2796910991412,1cyclictest60350irq/132-enp0s29f1:rx-012:35:120
2796910991412,1cyclictest60350irq/132-enp0s29f1:rx-011:35:150
2796910991412,1cyclictest60350irq/132-enp0s29f1:rx-010:50:160
2796910991412,1cyclictest60350irq/132-enp0s29f1:rx-010:29:560
2796910991412,1cyclictest60350irq/132-enp0s29f1:rx-010:00:250
2796910991412,1cyclictest60350irq/132-enp0s29f1:rx-008:55:250
2796910991412,1cyclictest60350irq/132-enp0s29f1:rx-008:35:220
2796910991412,1cyclictest60350irq/132-enp0s29f1:rx-008:30:150
2796910991412,1cyclictest60350irq/132-enp0s29f1:rx-007:40:110
2796910991412,1cyclictest60350irq/132-enp0s29f1:rx-007:15:140
2796910991411,2cyclictest60350irq/132-enp0s29f1:rx-012:25:120
2796910991410,3cyclictest60350irq/132-enp0s29f1:rx-010:05:110
279692099139,2cyclictest1-21systemd09:54:593
279692099138,4cyclictest3029935-21apt-get10:55:113
2796920991310,2cyclictest3097450-21cpuspeed_turbos12:00:133
2796920991310,2cyclictest3034881-21kworker/u8:3+flush-259:011:35:153
2796920991310,2cyclictest3000873-21kthreadcore10:25:183
2796920991310,1cyclictest0-21swapper/309:40:003
279692099130,12cyclictest1-21systemd07:35:503
2796917991311,1cyclictest2951986-21sh09:39:592
2796917991311,1cyclictest2941654-21idleruntime-cro09:30:002
2796917991310,2cyclictest2822265-21unixbench_singl07:30:272
2796917991310,2cyclictest2822265-21unixbench_singl07:30:262
279691399139,3cyclictest2941894-21kworker/u8:0+flush-259:010:00:141
279691399139,2cyclictest0-21swapper/109:40:001
279691399138,4cyclictest3034881-21kworker/u8:3+flush-259:012:00:211
2796913991311,1cyclictest0-21swapper/108:15:001
2796913991310,2cyclictest2821686-21needreboot07:30:201
2796913991310,2cyclictest2821686-21needreboot07:30:201
279691099138,4cyclictest2874576-21/usr/sbin/munin08:25:190
2796910991311,1cyclictest60350irq/132-enp0s29f1:rx-010:10:240
2796910991311,1cyclictest60350irq/132-enp0s29f1:rx-009:05:240
279692099129,2cyclictest3117927-21unixbench_multi12:20:203
279692099129,2cyclictest3102323-21kworker/u8:0+flush-259:012:10:003
279692099129,2cyclictest3056445-21fschecks_count11:20:133
279692099129,2cyclictest2935518-21needreboot09:20:183
279692099128,3cyclictest3092517-21fw_forwarded_lo11:55:143
279692099128,3cyclictest2982881-21cron10:10:003
279692099128,3cyclictest2941894-21kworker/u8:0+flush-259:009:55:273
279692099128,3cyclictest2854156-21grep08:05:153
279691799129,2cyclictest2935687-21ntp_offset09:20:202
279691799129,2cyclictest2879942-21fschecks_count08:30:152
279691799129,2cyclictest2849218-21irqcore08:00:162
279691799129,2cyclictest211-21jbd2/nvme0n1p2-809:20:002
279691799128,3cyclictest2911043-21kworker/u8:3+flush-259:009:04:212
279691399129,2cyclictest2967022-21unixbench_singl09:50:241
279691399129,2cyclictest2796900-21cyclictest10:35:001
279691399128,3cyclictest3034881-21kworker/u8:3+flush-259:012:20:101
279691399128,3cyclictest2838206-21kworker/u8:2+flush-259:007:50:221
279691399128,3cyclictest2791753-21kworker/u8:4+flush-259:007:25:161
279691399128,3cyclictest2791753-21kworker/u8:4+flush-259:007:25:151
279691099129,2cyclictest60350irq/132-enp0s29f1:rx-011:05:110
2796910991210,2cyclictest60350irq/132-enp0s29f1:rx-012:15:180
279692099119,1cyclictest0-21swapper/307:15:003
279692099118,2cyclictest2807696-21fschecks_time07:20:153
279692099117,3cyclictest491ktimers/311:15:113
279692099117,3cyclictest2858732-21kworker/u8:0+flush-259:008:20:243
279692099117,3cyclictest2858732-21kworker/u8:0+flush-259:008:10:243
279691799118,2cyclictest3102633-21cpuspeed_turbos12:05:122
279691799118,2cyclictest2988340-21cpuspeed_turbos10:15:132
279691799118,2cyclictest2988340-21cpuspeed_turbos10:15:122
279691799118,2cyclictest2946367-21unixbench_multi09:30:262
279691799118,2cyclictest2921604-21fschecks_time09:10:132
279691799118,2cyclictest0-21swapper/207:10:162
279691799116,4cyclictest2977969-21apt-get10:05:102
279691799113,1cyclictest191rcu_preempt11:05:132
279691399118,2cyclictest3050827-21munin-run11:15:001
279691399118,1cyclictest0-21swapper/110:15:181
279691399118,1cyclictest0-21swapper/110:15:181
279691399117,2cyclictest0-21swapper/107:18:511
279691399114,5cyclictest3112603-21latency_hist12:15:001
279691399111,2cyclictest252-21systemd-journal08:30:001
279692099106,2cyclictest2816645-21ntpq07:25:223
279692099106,2cyclictest2816645-21ntpq07:25:213
279691799107,2cyclictest2957567-21fschecks_count09:45:142
279691799106,2cyclictest2885598-21gltestperf08:35:132
279691799100,2cyclictest3061102-21latency_hist11:25:012
27969209997,1cyclictest0-21swapper/311:50:173
27969209995,3cyclictest3129161-21cut12:35:123
27969209995,2cyclictest3113251-21turbostat.cron12:20:003
27969179997,1cyclictest3055969-21cron11:20:002
27969179993,4cyclictest3113239-21cron12:20:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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