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2026-02-21 - 17:45
[ 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 the 792 highest latencies:
System rack5slot4s.osadl.org (updated Sat Feb 21, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2435290995537,16cyclictest2690075-21apt-get11:25:001
2435286995241,9cyclictest274-21systemd-journal11:40:000
2435291994844,3cyclictest2650516-21kworker/u8:0+events_unbound12:16:162
2435291994843,4cyclictest2586490-21kworker/u8:3+flush-8:009:56:162
2435290994830,16cyclictest2764749-21systemd-run12:40:001
243528699481,33cyclictest2690121-21munin-run11:25:000
2435291994742,4cyclictest2581509-21kworker/u8:1+flush-8:010:31:142
2435290994727,8cyclictest274-21systemd-journal12:28:141
2435286994739,6cyclictest274-21systemd-journal11:00:010
2435286994637,6cyclictest2591224-21latency_hist09:45:010
2435286994621,7cyclictest2456895-21latency_hist07:30:010
26588782440,3sleep10-21swapper/110:51:091
2435291994440,3cyclictest2581509-21kworker/u8:1+flush-8:009:41:022
2435286994435,6cyclictest2620801-21latency_hist10:15:020
2435286994435,6cyclictest2420416-21kworker/u8:2+flush-8:008:26:020
2435291994338,3cyclictest2734994-21kworker/u8:3+events_unbound12:11:142
2435290994326,3cyclictest2467489-21cut07:41:021
2435286994327,2cyclictest2501812-21cron08:15:000
2435286994324,4cyclictest2476699-21cron07:50:000
2435286994323,6cyclictest274-21systemd-journal08:25:000
25134912420,2sleep3481ktimers/308:26:063
2435291994238,3cyclictest2749648-21kworker/u8:1+events_unbound12:36:112
2435291994238,3cyclictest2640343-21kworker/u8:2+flush-8:010:51:192
2435291994238,3cyclictest2420416-21kworker/u8:2+events_unbound08:46:142
2435286994220,8cyclictest2605205-21ntpq09:56:100
2435286994124,5cyclictest2457550-21tune2fs07:31:010
2435290994032,5cyclictest2447000-21latency_hist07:20:011
2435290994020,8cyclictest2451970-21turbostat.cron07:25:001
2435286994035,4cyclictest2640343-21kworker/u8:2+flush-8:010:51:080
2435286994033,5cyclictest2596474-21apt-get09:50:570
2435291993933,4cyclictest2581509-21kworker/u8:1+events_unbound09:46:082
243528699399,23cyclictest2420420-21kworker/0:2+events08:00:570
2435291993834,3cyclictest2541399-21kworker/u8:3+flush-8:009:11:062
2435291993834,3cyclictest2541399-21kworker/u8:3+events_unbound09:16:162
2435291993733,3cyclictest2541399-21kworker/u8:3+flush-8:009:26:112
2435286993732,3cyclictest2486831-21gpgv08:00:000
2435286993730,5cyclictest2496006-21ntpq08:06:100
2435286993730,5cyclictest2496006-21ntpq08:06:100
2435291993631,4cyclictest2640343-21kworker/u8:2+events_unbound10:36:082
2435290993631,3cyclictest2607083-21irqrtprio10:01:031
2435290993628,5cyclictest274-21systemd-journal09:52:141
2435286993629,5cyclictest2744672-21latency_hist12:20:010
2435286993629,5cyclictest274-21systemd-journal07:45:000
2435286993629,5cyclictest2442433-21tr07:15:580
2435286993627,7cyclictest2566173-21apt-get09:20:000
2435291993531,3cyclictest2586490-21kworker/u8:3+events_unbound10:05:002
2435290993530,4cyclictest2420416-21kworker/u8:2+flush-8:008:41:051
2435290993527,6cyclictest2461832-21latency_hist07:35:011
2435290993527,5cyclictest2491957-21latency_hist08:05:001
2435290993524,8cyclictest274-21systemd-journal09:45:011
2435291993427,5cyclictest274-21systemd-journal11:05:012
2435290993426,6cyclictest274-21systemd-journal12:06:261
2435290993424,8cyclictest2486789-21apt-get08:00:011
2435286993430,3cyclictest2625391-21grep10:16:170
2435286993429,3cyclictest2739713-21cron12:15:000
2435286993425,6cyclictest2576343-21latency_hist09:30:000
2435286993423,2cyclictest161rcu_preempt11:11:100
2435290993328,3cyclictest2512760-21irqrtprio08:26:051
2435286993329,3cyclictest2724870-21cron12:00:000
2435291993227,3cyclictest2581509-21kworker/u8:1+events_unbound10:16:122
2435291993227,3cyclictest2521966-21aten2_r5power_c08:35:582
2435290993227,3cyclictest2595819-21unixbench_singl09:46:171
2435290993227,3cyclictest2546809-21aten2_r5power_v09:00:591
2435290993222,7cyclictest2759747-21latency_hist12:35:011
2435286993227,3cyclictest2764696-21cron12:40:000
2435286993226,4cyclictest2531136-21grep08:41:160
2435286993224,6cyclictest2749617-21latency_hist12:25:010
26531832310,14sleep10-21swapper/110:46:081
243528699319,20cyclictest2620821-21kworker/0:0+events10:30:570
243528699313,27cyclictest2620821-21kworker/0:0+events12:06:090
2435291993025,3cyclictest2420416-21kworker/u8:2+events_unbound07:56:102
2435291993024,4cyclictest2586490-21kworker/u8:3+events_unbound10:05:032
2435290993026,3cyclictest782-21mta-sts-daemon11:06:141
2435290993026,2cyclictest2557343-21irqrtprio09:11:041
2435290993026,2cyclictest0-21swapper/110:35:001
2435286993025,3cyclictest2699275-21needreboot11:31:080
2435286993023,5cyclictest2581509-21kworker/u8:1+flush-8:009:46:030
2435291992924,4cyclictest2749648-21kworker/u8:1+flush-8:012:26:312
2435291992921,6cyclictest274-21systemd-journal12:00:002
2435290992925,3cyclictest2536124-21unixbench_singl08:46:191
2435290992924,3cyclictest2420416-21kworker/u8:2+events_unbound08:35:591
2435290992920,7cyclictest274-21systemd-journal11:30:001
2435290992918,9cyclictest274-21systemd-journal09:00:001
2435286992926,2cyclictest2526564-21sendmail08:40:010
2435286992923,4cyclictest2581509-21kworker/u8:1+flush-8:010:26:010
2435286992919,7cyclictest2675223-21latency_hist11:10:010
25287212280,6sleep20-21swapper/208:41:052
2435291992824,3cyclictest2640343-21kworker/u8:2+flush-8:011:26:122
2435291992824,2cyclictest2631065-21aten2_r5power_c10:25:582
2435291992824,2cyclictest2452325-21aten2_r5power_c07:25:582
2435290992824,3cyclictest2580342-21head09:31:071
2435290992822,4cyclictest2664964-21unixbench_multi10:56:161
2435290992821,2cyclictest161rcu_preempt11:40:001
2435286992824,3cyclictest2511735-21kworker/u8:0+flush-8:008:31:040
243528699282,25cyclictest2420420-21kworker/0:2+events09:21:010
2435286992810,16cyclictest2420420-21kworker/0:2+events08:51:090
2435291992723,3cyclictest2650516-21kworker/u8:0+events_unbound11:41:182
2435291992722,3cyclictest2745229-21cpuspeed_turbos12:20:582
2435291992722,3cyclictest2476699-21cron07:50:002
2435290992723,2cyclictest2616553-21fschecks_time10:11:011
2435290992723,2cyclictest2494422-21kthreadcore08:06:061
2435290992723,2cyclictest2494422-21kthreadcore08:06:061
2435290992723,2cyclictest0-21swapper/111:56:001
2435290992723,2cyclictest0-21swapper/110:41:041
2435290992723,2cyclictest0-21swapper/110:21:121
2435290992723,2cyclictest0-21swapper/108:51:141
2435290992722,4cyclictest2744675-21/usr/sbin/munin12:20:011
2435290992722,3cyclictest2641608-21irqrtprio10:36:071
2435290992722,3cyclictest2462507-21cut07:36:031
2435290992721,4cyclictest2713113-21kthreadcore11:46:091
2435290992721,4cyclictest2571768-21aten2_r5power_p09:25:591
2435290992719,5cyclictest274-21systemd-journal07:11:141
2435286992723,2cyclictest0-21swapper/009:01:040
2435286992722,2cyclictest0-21swapper/010:20:550
2435286992719,6cyclictest2646132-21diskstats10:41:010
2435286992717,8cyclictest274-21systemd-journal08:50:000
2435286992710,15cyclictest2420420-21kworker/0:2+events08:16:090
2435291992623,2cyclictest2725275-21aten2_r5power_e12:00:592
2435291992623,2cyclictest2467253-21aten2_r5power_v07:40:582
2435290992622,3cyclictest2749609-21cron12:25:001
2435290992622,2cyclictest0-21swapper/110:16:081
2435290992622,2cyclictest0-21swapper/108:16:151
2435290992621,3cyclictest2684774-21unixbench_singl11:16:151
2435290992618,6cyclictest2476701-21cron07:50:001
243528699269,15cyclictest2620821-21kworker/0:0+events12:00:290
2435286992618,5cyclictest2581279-21latency_hist09:35:000
2435286992617,6cyclictest2546364-21latency_hist09:00:010
2435291992521,3cyclictest2640343-21kworker/u8:2+flush-8:011:23:242
2435291992521,2cyclictest2516339-21unixbench_singl08:26:182
2435290992521,3cyclictest2481928-21latency_hist07:55:001
2435290992520,4cyclictest2456517-21unixbench_multi07:26:161
2435290992519,3cyclictest2501496-21unixbench_singl08:11:161
2435290992519,3cyclictest0-21swapper/111:30:571
243528699258,13cyclictest2420420-21kworker/0:2+events09:35:130
2435286992522,2cyclictest2451048-21needreboot07:21:090
2435286992521,3cyclictest2556290-21cron09:10:000
2435286992521,3cyclictest0-21swapper/010:00:140
2435286992519,4cyclictest0-21swapper/010:36:030
243528699251,22cyclictest2754660-21sshd12:28:140
2435291992412,2cyclictest421rcuog/208:56:152
243529099247,5cyclictest0-21swapper/110:07:331
2435290992421,2cyclictest2571366-21idleruntime-cro09:25:001
2435290992421,2cyclictest2507369-21cut08:21:011
2435290992420,3cyclictest2729399-21timerwakeupswit12:01:171
2435290992420,3cyclictest2669798-21timerandwakeup11:01:151
2435290992420,2cyclictest0-21swapper/112:11:191
2435290992419,3cyclictest2707615-21kthreadcore11:41:051
2435290992416,6cyclictest274-21systemd-journal11:51:241
2435290992410,2cyclictest0-21swapper/109:59:031
243528699247,16cyclictest2620821-21kworker/0:0+events11:51:090
243528699247,15cyclictest2734786-21kworker/0:1+events12:31:050
243528699245,18cyclictest2620821-21kworker/0:0+events11:16:290
2435286992419,4cyclictest2560888-21unixbench_multi09:11:170
2435286992419,3cyclictest2694569-21mailstats11:26:140
2435286992418,4cyclictest2463076-21kthreadcore07:36:070
243529199236,3cyclictest26202722grep10:11:162
2435291992320,2cyclictest2675603-21aten2_r5power_e11:10:592
2435291992318,4cyclictest0-21swapper/207:15:012
2435290992319,2cyclictest0-21swapper/109:36:071
2435290992319,2cyclictest0-21swapper/108:31:161
2435290992318,4cyclictest2541399-21kworker/u8:3+flush-8:009:07:441
243528699236,15cyclictest2420420-21kworker/0:2+events07:11:290
2435286992319,3cyclictest0-21swapper/011:45:000
243529199225,2cyclictest161rcu_preempt09:36:082
2435291992218,2cyclictest2596742-21fschecks_count09:51:022
243529199221,19cyclictest2674289-21grep11:06:082
2435290992217,3cyclictest2634998-21mailstats10:26:141
2435290992213,7cyclictest2675519-21/usr/sbin/munin11:11:091
2435286992212,7cyclictest394-21dbus-daemon10:45:580
24347992224,12sleep10-21swapper/107:06:241
243529199213,3cyclictest24792392cut07:51:052
243529199212,5cyclictest0-21swapper/210:44:022
243529199212,5cyclictest0-21swapper/209:02:182
243529199212,13cyclictest2442400-21apt-get07:15:572
2435291992118,2cyclictest2651044-21cpuspeed_turbos10:46:002
2435291992116,3cyclictest2487715-21fschecks_time08:01:012
2435291992112,7cyclictest0-21swapper/211:31:082
2435290992111,2cyclictest0-21swapper/109:17:301
243528699215,14cyclictest2620821-21kworker/0:0+events11:46:050
2435286992117,3cyclictest2481204-21mailstats07:51:140
2435286992111,8cyclictest2611523-21diskstats10:06:000
24348292213,3sleep00-21swapper/007:06:470
243529199208,9cyclictest274-21systemd-journal12:10:002
243529199206,2cyclictest161rcu_preempt11:40:002
2435291992015,3cyclictest2451658-21unixbench_singl07:21:172
2435291992013,2cyclictest161rcu_preempt08:16:122
243529199200,8cyclictest2758411-21kthreadcore12:31:062
24302002203,8sleep30-21swapper/307:05:013
243529199192,4cyclictest0-21swapper/207:36:062
2435291991915,2cyclictest0-21swapper/211:51:092
2435291991915,2cyclictest0-21swapper/208:31:152
2435291991915,2cyclictest0-21swapper/207:31:112
243529199191,3cyclictest2569934-21grep09:21:082
243529199191,2cyclictest161rcu_preempt10:21:032
24347742194,9sleep20-21swapper/207:06:172
243529199184,2cyclictest161rcu_preempt08:05:582
243529199184,2cyclictest161rcu_preempt08:05:582
243529199183,2cyclictest421rcuog/210:56:092
2435291991814,3cyclictest2581267-21cron09:35:002
243529199181,2cyclictest161rcu_preempt08:11:032
2435286991810,6cyclictest2669685-21python311:01:140
243529199172,4cyclictest0-21swapper/211:46:092
2435291991714,2cyclictest2680829-21fschecks_time11:16:002
2435291991712,3cyclictest0-21swapper/208:51:072
2435291991710,5cyclictest2509967-21tr08:21:072
243529199162,4cyclictest0-21swapper/209:05:232
27505602145,5sleep30-21swapper/312:26:013
27496032142,7sleep30-21swapper/312:25:013
25826292142,7sleep30-21swapper/309:36:053
27347522132,6sleep30-21swapper/312:10:003
26554422132,7sleep30-21swapper/310:50:003
26356492132,6sleep30-21swapper/310:30:013
25688392133,6sleep30-21swapper/309:21:083
27600402122,6sleep30-21swapper/312:35:563
27591372122,6sleep30-21swapper/312:31:153
27409292122,6sleep30-21swapper/312:16:063
27153292122,6sleep30-21swapper/311:50:583
27100572122,5sleep30-21swapper/311:45:013
26891962122,6sleep30-21swapper/311:21:093
26810802123,5sleep30-21swapper/311:16:043
26793882122,6sleep30-21swapper/311:11:143
26711492123,6sleep30-21swapper/311:06:053
26657992122,6sleep30-21swapper/311:00:593
26463902122,6sleep30-21swapper/310:41:053
26411242122,6sleep30-21swapper/310:36:033
26267412123,5sleep30-21swapper/310:21:033
26217142122,6sleep30-21swapper/310:16:053
26207842122,6sleep30-21swapper/310:15:013
26100562123,5sleep30-21swapper/310:01:083
26018792122,6sleep30-21swapper/309:56:033
25970012122,6sleep30-21swapper/309:51:053
25713852122,6sleep30-21swapper/309:25:013
25607252122,6sleep30-21swapper/309:11:173
25463982122,6sleep30-21swapper/309:00:013
25457512124,5sleep30-21swapper/308:56:163
25113092122,6sleep30-21swapper/308:21:173
25010802123,5sleep30-21swapper/308:11:143
24925192122,6sleep30-21swapper/308:06:013
24925192122,6sleep30-21swapper/308:06:013
24873682122,6sleep30-21swapper/308:00:593
24841942123,5sleep30-21swapper/307:56:063
24778882122,6sleep30-21swapper/307:51:043
24757882122,6sleep30-21swapper/307:46:113
24671382126,4sleep30-21swapper/307:40:573
24667852122,6sleep30-21swapper/307:40:013
24610722122,6sleep30-21swapper/307:31:143
24410282122,6sleep30-21swapper/307:15:053
24401512122,6sleep30-21swapper/307:15:013
27301122112,5sleep30-21swapper/312:05:473
27249932112,5sleep30-21swapper/312:00:013
27205072112,6sleep30-21swapper/311:56:003
27103552112,5sleep30-21swapper/311:45:493
27040872112,5sleep30-21swapper/311:36:063
26955162112,5sleep30-21swapper/311:30:563
26906322112,5sleep30-21swapper/311:25:593
26567572112,5sleep30-21swapper/310:51:093
26115972112,5sleep30-21swapper/310:06:023
25940322112,5sleep30-21swapper/309:46:083
25879972110,7sleep30-21swapper/309:41:063
25800042112,5sleep30-21swapper/309:31:073
25615752112,5sleep30-21swapper/309:15:583
25520262112,5sleep30-21swapper/309:06:033
25367852112,5sleep30-21swapper/308:50:593
25339142112,5sleep30-21swapper/308:46:093
25268092113,5sleep30-21swapper/308:40:153
25222202112,5sleep30-21swapper/308:36:023
25172472112,5sleep30-21swapper/308:31:003
24530142112,5sleep30-21swapper/307:26:043
24475992112,5sleep30-21swapper/307:21:033
26606192102,5sleep30-21swapper/310:55:053
26309452102,5sleep30-21swapper/310:25:083
25020462102,5sleep30-21swapper/308:15:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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