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2026-02-20 - 18:12
[ 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 #5, 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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  Intel
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, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack5slot4s.osadl.org (updated Fri Feb 20, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289860721870,1sleep3584-21kworker/3:2-mm_percpu_wq12:06:173
28048362790,5chrt0-21swapper/210:31:172
27778212790,3chrt584-21kworker/3:2-events10:06:073
2599496996759,5cyclictest2735549-21latency_hist09:25:011
2599496996354,6cyclictest2604420-21latency_hist07:15:001
2599496996354,6cyclictest2604420-21latency_hist07:15:001
28786402610,4sleep3481ktimers/311:46:143
2599496995647,6cyclictest2661221-21latency_hist08:10:011
2599496995241,8cyclictest2621210-21apt-get07:30:011
2599492995040,7cyclictest2599350-21latency_hist07:10:000
26271832490,2sleep2371rcuc/207:36:032
2599492994940,6cyclictest2646194-21latency_hist07:55:010
29109072480,3sleep3584-21kworker/3:2-events12:21:043
2599492994637,6cyclictest2904084-21latency_hist12:15:010
2599492994440,3cyclictest2780211-21apt-key10:10:010
2599492994433,9cyclictest2755952-21diskstats09:46:000
2599496994336,5cyclictest2740173-21kworker/u8:0+flush-8:010:41:001
2599496994336,5cyclictest2740173-21kworker/u8:0+flush-8:010:41:001
25990872424,10sleep10-21swapper/107:06:541
2599492994135,4cyclictest2825020-21kworker/u8:1+flush-8:011:26:060
2599492994132,7cyclictest2909046-21apt-get12:20:010
2599496994030,7cyclictest2740487-21latency_hist09:30:001
2599492994036,2cyclictest0-21swapper/010:00:010
2599496993928,2cyclictest161rcu_preempt11:01:141
2599498993829,6cyclictest274-21systemd-journal11:55:002
2599492993831,5cyclictest274-21systemd-journal08:34:560
2599496993732,3cyclictest2672167-21irqrtprio08:21:041
2599496993732,3cyclictest2599365-21kworker/u8:3+events_unbound07:31:021
2599492993733,2cyclictest2676052-21cron08:25:000
2599492993730,5cyclictest274-21systemd-journal07:25:020
2599492993628,7cyclictest1190625-21kworker/u8:2+flush-8:009:36:050
259949299360,30cyclictest2661257-21kworker/0:1+events12:30:170
2599496993526,7cyclictest274-21systemd-journal12:21:111
2599496993526,7cyclictest2705793-21latency_hist08:55:011
27943502340,5sleep3451irq_work/310:21:073
2599496993429,3cyclictest2909050-21turbostat.cron12:20:001
2599492993427,5cyclictest2815453-21apt-get10:45:560
2599492993427,5cyclictest274-21systemd-journal10:25:060
259949299342,31cyclictest2661257-21kworker/0:1+events10:33:290
2599498993325,6cyclictest2611283-21awk07:20:002
2599496993329,2cyclictest2741530-21irqrtprio09:31:061
2599496993326,5cyclictest2775141-21latency_hist10:05:021
2599496993326,5cyclictest2589263-21kworker/u8:0+events_unbound07:15:031
2599496993325,6cyclictest2854965-21apt-get11:25:581
2599492993330,2cyclictest2784316-21needreboot10:11:070
2599492993327,4cyclictest2604017-21grep07:11:160
2599492993327,4cyclictest2604017-21grep07:11:160
2599492993326,5cyclictest2690891-21latency_hist08:40:010
2599492993324,7cyclictest2750719-21/usr/sbin/munin09:41:080
259949299332,26cyclictest2661257-21kworker/0:1+events09:15:130
259949299330,27cyclictest2661257-21kworker/0:1+events11:55:170
2599498993227,3cyclictest2879798-21aten2_r5power_v11:50:592
2599498993227,3cyclictest2854631-21cron11:25:002
2599498993224,6cyclictest2711401-21fschecks_time09:01:012
2599498993223,7cyclictest2695829-21cat08:45:002
2599496993226,4cyclictest2656205-21cat08:05:001
2599496993225,5cyclictest2805801-21cpuspeed_turbos10:36:021
2599496993224,6cyclictest2724775-21ntpq09:11:101
259949299323,24cyclictest2661257-21kworker/0:1+events09:10:530
259949299322,29cyclictest2661257-21kworker/0:1+events11:12:490
259949299322,24cyclictest2604455-21kworker/0:2+events07:35:500
25990472324,9sleep20-21swapper/207:06:232
2599496993127,3cyclictest2631585-21kworker/u8:0+flush-8:008:10:251
2599496993126,4cyclictest2670716-21unixbench_multi08:16:181
2599496993126,3cyclictest2862065-21kthreadcore11:31:071
2599496993125,4cyclictest2755734-21aten2_r5power_c09:45:591
2599496993123,6cyclictest2919153-21cron12:30:001
2599496993120,9cyclictest2785242-21latency_hist10:15:011
2599492993128,2cyclictest2705413-21unixbench_multi08:51:160
2599492993123,6cyclictest2914549-21/usr/sbin/munin12:26:070
259949299312,28cyclictest2661257-21kworker/0:1+events11:49:210
259949299312,28cyclictest2661257-21kworker/0:1+events10:44:170
259949299312,28cyclictest2661257-21kworker/0:1+events10:44:170
259949299312,28cyclictest2661257-21kworker/0:1+events10:01:250
2599492993122,7cyclictest2666775-21diskstats08:16:020
259949299312,24cyclictest2661257-21kworker/0:1+events11:05:130
259949299310,30cyclictest2604455-21kworker/0:2+events07:33:250
259949299310,26cyclictest2604455-21kworker/0:2+events07:45:050
2599498993026,3cyclictest2626008-21unixbench_singl07:31:172
2599498993025,4cyclictest2671116-21basename08:20:002
2599496993026,3cyclictest2791475-21irqrtprio10:21:031
2599496993026,2cyclictest0-21swapper/110:26:081
2599496993025,3cyclictest2766105-21irqcore09:56:041
2599496993025,3cyclictest2718182-21kthreadcore09:06:071
2599496993023,5cyclictest394-21dbus-daemon07:25:011
2599496993023,5cyclictest2695483-21unixbench_singl08:41:151
259949299302,27cyclictest2661257-21kworker/0:1+events11:03:210
259949299302,27cyclictest2661257-21kworker/0:1+events10:19:210
259949299302,24cyclictest2661257-21kworker/0:1+events08:55:100
259949299302,23cyclictest2661257-21kworker/0:1+events11:35:210
259949299302,23cyclictest2641274-21kworker/0:0+events08:00:290
259949299302,23cyclictest2604455-21kworker/0:2+events07:25:170
259949299301,24cyclictest2661257-21kworker/0:1+events12:05:250
259949299301,23cyclictest2661257-21kworker/0:1+events08:10:210
2599498992925,2cyclictest2785885-21aten2_r5power_p10:15:592
2599498992924,3cyclictest2796042-21fschecks_time10:26:012
2599498992923,4cyclictest2676734-21fschecks_time08:26:012
2599496992925,3cyclictest2631320-21turbostat.cron07:40:001
2599496992923,5cyclictest2686629-21fschecks_time08:36:021
2599496992921,6cyclictest2805229-21cron10:35:001
2599496992921,6cyclictest2755370-21cron09:45:001
2599496992921,6cyclictest2635937-21unixbench_multi07:41:161
259949299294,24cyclictest2661257-21kworker/0:1+events09:34:110
259949299292,26cyclictest2661257-21kworker/0:1+events12:22:570
259949299292,26cyclictest2661257-21kworker/0:1+events10:58:220
259949299292,26cyclictest2661257-21kworker/0:1+events10:52:490
259949299292,26cyclictest2661257-21kworker/0:1+events09:27:210
259949299292,26cyclictest2661257-21kworker/0:1+events09:02:330
259949299292,26cyclictest2589210-21kworker/0:1+events07:16:570
259949299292,23cyclictest2661257-21kworker/0:1+events09:20:210
259949299292,22cyclictest2661257-21kworker/0:1+events10:35:290
259949299292,21cyclictest2661257-21kworker/0:1+events09:50:130
259949299291,27cyclictest2661257-21kworker/0:1+events12:35:530
2599498992825,2cyclictest2893848-21unixbench_multi12:01:162
2599498992824,3cyclictest2636929-21fschecks_count07:46:002
2599498992822,4cyclictest2865782-21kthreadcore11:36:042
2599498992822,4cyclictest2784316-21needreboot10:11:072
2599498992822,4cyclictest2681656-21fschecks_time08:31:012
2599498992821,6cyclictest2791071-21fschecks_time10:21:002
2599498992821,5cyclictest2843817-21grep11:11:102
2599498992819,7cyclictest2751060-21fschecks_time09:41:012
2599498992818,8cyclictest2860172-21fschecks_count11:31:022
2599496992823,3cyclictest0-21swapper/109:55:001
2599496992822,4cyclictest2868496-21needreboot11:36:071
2599496992822,4cyclictest2854659-21systemd-run11:25:001
2599496992822,4cyclictest2715697-21turbostat.cron09:05:001
2599496992821,5cyclictest2845103-21aten2_r5power_c11:15:591
2599496992821,5cyclictest2651103-21latency_hist08:00:011
2599496992820,6cyclictest2899147-21latency_hist12:10:011
259949299282,25cyclictest2661257-21kworker/0:1+events11:24:210
259949299282,24cyclictest2661257-21kworker/0:1+events08:29:170
259949299282,22cyclictest2661257-21kworker/0:1+events11:30:290
259949299282,21cyclictest2604455-21kworker/0:2+events07:40:050
259949299281,26cyclictest2661257-21kworker/0:1+events12:03:410
2599498992723,3cyclictest2745103-21unixbench_singl09:31:182
2599498992723,2cyclictest2745827-21aten2_r5power_e09:35:592
2599498992722,3cyclictest2919752-21fschecks_count12:31:002
2599498992718,7cyclictest2661858-21fschecks_time08:11:012
2599496992723,2cyclictest2880275-21irqcore11:51:041
2599496992722,3cyclictest2676972-21irqcore08:26:041
2599496992721,4cyclictest2750080-21unixbench_singl09:36:171
2599496992720,5cyclictest2928728-21unixbench_singl12:36:151
2599496992720,5cyclictest2835224-21apt-get11:05:561
2599496992719,6cyclictest2789460-21needreboot10:16:081
2599492992723,2cyclictest0-21swapper/008:00:000
259949299272,24cyclictest2661257-21kworker/0:1+events11:42:370
259949299272,24cyclictest2661257-21kworker/0:1+events10:20:490
259949299271,25cyclictest2661257-21kworker/0:1+events11:18:150
259949299271,25cyclictest2661257-21kworker/0:1+events08:48:050
2599492992711,2cyclictest161rcu_preempt08:40:560
2599498992621,3cyclictest2870016-21cpuspeed_turbos11:40:592
2599498992621,3cyclictest2805626-21aten2_r5power_e10:36:012
2599498992618,6cyclictest2924689-21fschecks_count12:36:012
2599498992617,7cyclictest2815769-21fschecks_time10:46:002
2599498992617,7cyclictest2726222-21fschecks_count09:16:012
2599496992623,2cyclictest2924124-21systemd-run12:35:001
2599496992621,3cyclictest0-21swapper/108:46:101
2599496992618,6cyclictest2889246-21cron12:00:001
2599496992616,7cyclictest274-21systemd-journal09:17:001
259949299262,23cyclictest2661257-21kworker/0:1+events11:53:330
2599492992618,6cyclictest2716262-21diskstats09:06:020
26303742250,6sleep3451irq_work/307:36:083
2599498992522,2cyclictest2914633-21aten2_r5power_e12:25:582
2599498992520,3cyclictest2899734-21fschecks_count12:11:022
2599498992519,4cyclictest2656873-21fschecks_count08:06:022
2599498992518,5cyclictest2774206-21grep10:01:072
2599498992513,3cyclictest0-21swapper/208:04:282
2599496992520,3cyclictest2642293-21irqrtprio07:51:041
2599496992520,3cyclictest0-21swapper/110:55:001
2599496992519,4cyclictest2740173-21kworker/u8:0+events_unbound11:15:011
2599496992519,4cyclictest2684193-21kthreadcore08:31:071
2599496992519,3cyclictest0-21swapper/112:15:011
259949299252,22cyclictest2641274-21kworker/0:0+events08:07:090
2599498992420,2cyclictest0-21swapper/209:55:002
2599498992420,2cyclictest0-21swapper/209:15:002
2599498992420,2cyclictest0-21swapper/208:21:082
2599498992419,3cyclictest2611831-21cpuspeed_turbos07:20:592
2599498992417,6cyclictest2835575-21fschecks_time11:06:012
2599498992416,7cyclictest2701412-21fschecks_count08:51:002
259949899240,10cyclictest2834128-21gcc11:01:152
2599496992421,2cyclictest2599486-21cyclictest11:41:001
2599496992420,2cyclictest0-21swapper/112:01:181
2599496992420,2cyclictest0-21swapper/111:46:011
2599496992419,4cyclictest2779694-21unixbench_multi10:06:171
2599496992419,3cyclictest0-21swapper/110:46:031
2599496992419,3cyclictest0-21swapper/109:00:001
27213752230,4chrt584-21kworker/3:2-events09:11:023
2599498992318,3cyclictest2810735-21cpuspeed_turbos10:40:582
2599498992318,3cyclictest2810735-21cpuspeed_turbos10:40:582
2599498992314,5cyclictest2621602-21base6407:30:022
2599498992218,2cyclictest2710840-21latency_hist09:00:012
2599498992216,4cyclictest2650756-21unixbench_singl07:56:172
259949699221,8cyclictest2825325-21apt-get10:55:591
27048352210,5sleep3584-21kworker/3:2+events08:51:073
2599498992118,2cyclictest2829608-21unixbench_singl10:56:182
2599498992118,2cyclictest2696375-21cpuspeed_turbos08:46:012
2599498992117,3cyclictest2859213-21unixbench_singl11:26:182
2599498992116,4cyclictest1-21systemd11:46:112
2599496992117,2cyclictest0-21swapper/107:46:021
2599498992015,4cyclictest21005-21cron07:15:002
2599498992015,4cyclictest21005-21cron07:15:002
2599498992015,3cyclictest0-21swapper/209:45:592
2599498992015,3cyclictest0-21swapper/207:45:012
2599498991915,3cyclictest2894872-21fschecks_time12:06:012
2599498991915,2cyclictest2776387-21kthreadcore10:06:052
2599498991914,3cyclictest0-21swapper/209:56:102
2599498991911,6cyclictest2906643-21cut12:16:042
2599498991911,6cyclictest2849918-21sed11:20:012
2599498991911,6cyclictest2688381-21tr08:36:062
2599498991911,6cyclictest0-21swapper/212:21:042
259949899189,7cyclictest2820461-21cut10:50:582
259949899182,12cyclictest2730912-21apt-get09:20:582
2599498991811,5cyclictest0-21swapper/209:25:592
25952402183,8sleep30-21swapper/307:06:043
2599498991713,3cyclictest2716303-21fschecks_count09:06:022
2599498991710,5cyclictest0-21swapper/207:51:072
28605492132,7sleep30-21swapper/311:31:063
28546262132,7sleep30-21swapper/311:25:003
28302972132,7sleep30-21swapper/311:01:013
27960322132,7sleep30-21swapper/310:26:023
27742992132,7sleep30-21swapper/310:01:103
27616102132,7sleep30-21swapper/309:51:073
27473622132,7sleep30-21swapper/309:36:073
26863112132,6sleep30-21swapper/308:36:003
26760472132,6sleep30-21swapper/308:25:003
26611422132,7sleep30-21swapper/308:09:123
26520232132,7sleep30-21swapper/308:01:053
26217632132,6sleep30-21swapper/307:31:003
29244282122,5sleep30-21swapper/312:35:583
29197372122,6sleep30-21swapper/312:31:003
29150462122,6sleep30-21swapper/312:26:033
29090292120,7sleep30-21swapper/312:20:013
28997192122,6sleep30-21swapper/312:11:023
28896042122,6sleep30-21swapper/312:00:593
28844412122,5sleep30-21swapper/311:55:013
28700782122,6sleep30-21swapper/311:41:013
28457832122,6sleep30-21swapper/311:16:053
28255862122,6sleep30-21swapper/310:56:033
28202212122,6sleep30-21swapper/310:50:013
28145282122,6sleep30-21swapper/310:41:153
28145282122,6sleep30-21swapper/310:41:153
28055702122,6sleep30-21swapper/310:36:013
28043642122,6sleep30-21swapper/310:31:113
27861702122,6sleep30-21swapper/310:16:033
27808902122,6sleep30-21swapper/310:11:013
27660982122,6sleep30-21swapper/309:56:053
27407512123,5sleep30-21swapper/309:30:333
27363272122,6sleep30-21swapper/309:26:033
27198232123,5sleep30-21swapper/309:06:133
27156772122,5sleep30-21swapper/309:05:013
26804252122,6sleep30-21swapper/308:26:173
26662552122,5sleep30-21swapper/308:15:023
26510852122,5sleep30-21swapper/308:00:013
26320972122,6sleep30-21swapper/307:41:033
26179772122,6sleep30-21swapper/307:26:063
26154682122,6sleep30-21swapper/307:21:133
26050202122,6sleep30-21swapper/307:15:033
28801852112,5sleep30-21swapper/311:51:053
28647712112,5sleep30-21swapper/311:35:113
28553732112,6sleep30-21swapper/311:26:043
28405112112,5sleep30-21swapper/311:11:043
28396102112,6sleep30-21swapper/311:07:313
28160912112,5sleep30-21swapper/310:46:043
27556472112,6sleep30-21swapper/309:45:333
27512632112,6sleep30-21swapper/309:41:043
27312832112,5sleep30-21swapper/309:21:023
27297642112,5sleep30-21swapper/309:16:123
27063652112,5sleep30-21swapper/308:56:023
26965162112,6sleep30-21swapper/308:46:033
26911392112,6sleep30-21swapper/308:40:053
26816882112,5sleep30-21swapper/308:31:023
26649442112,5sleep30-21swapper/308:11:083
26425272112,5sleep30-21swapper/307:51:063
26402922112,5sleep30-21swapper/307:46:083
25994632112,5sleep30-21swapper/307:10:013
25994632112,5sleep30-21swapper/307:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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