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2026-03-08 - 09:45
[ 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 #c, slot #7

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 rackcslot7s.osadl.org (updated Sun Mar 08, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
270162899473448,22cyclictest2787806-21turbostat23:15:003
270162899473448,22cyclictest2787806-21turbostat23:15:003
270162899463456,4cyclictest2738991-21turbostat20:55:003
270162899463456,4cyclictest2738991-21turbostat20:55:003
270162899462454,5cyclictest2791301-21turbostat23:29:553
270162899462454,5cyclictest2784338-21turbostat23:05:003
270162599462453,6cyclictest2723108-21turbostat20:14:552
270162199462453,6cyclictest2773944-21turbostat22:39:551
270162899461453,5cyclictest2777416-21turbostat22:45:003
270162899461453,5cyclictest2749408-21turbostat21:29:563
270162899461453,5cyclictest2732058-21turbostat20:34:593
270162899460452,5cyclictest2817890-21turbostat00:40:003
270162899457449,5cyclictest2744221-21turbostat21:10:003
270162199456449,4cyclictest2714463-21turbostat19:49:541
270162899455448,4cyclictest2801682-21turbostat23:59:553
270162899455448,4cyclictest2737261-21turbostat20:50:003
270162899455432,20cyclictest2796501-21turbostat23:44:553
270162899454432,19cyclictest2808940-21turbostat00:19:553
270162199454447,4cyclictest2737261-21turbostat20:54:561
270162199454447,4cyclictest2737261-21turbostat20:54:551
270162899453431,19cyclictest2726570-21turbostat20:20:003
270162899452445,4cyclictest2726570-21turbostat20:24:553
270162899450442,5cyclictest2779148-21turbostat22:54:553
270162899450442,5cyclictest2779148-21turbostat22:54:553
270162899450441,6cyclictest2796501-21turbostat23:40:013
270162899450441,6cyclictest2796501-21turbostat23:40:003
270162899450441,6cyclictest2733794-21turbostat20:40:003
270162199447440,4cyclictest2712725-21turbostat19:44:561
270162899446439,4cyclictest2752885-21turbostat21:35:003
270162899445438,4cyclictest2765296-21turbostat22:10:003
270162899445420,5cyclictest2814433-21turbostat00:34:563
270162899442434,5cyclictest2717921-21turbostat19:55:013
270162199442435,4cyclictest2752885-21turbostat21:39:551
270162899441431,7cyclictest2745947-21turbostat21:19:553
270162199437414,20cyclictest2728306-21turbostat20:29:551
270162199437414,20cyclictest2728306-21turbostat20:29:551
270162899436429,4cyclictest2765296-21turbostat22:14:553
270162599432425,4cyclictest2733794-21turbostat20:44:552
270162899431424,4cyclictest2807204-21turbostat00:14:553
270162899431423,5cyclictest2794772-21turbostat23:35:003
270162199429421,5cyclictest2767018-21turbostat22:19:551
270162899426419,4cyclictest2735535-21turbostat20:45:013
270162899423414,6cyclictest2772219-21turbostat22:30:003
270162899423414,6cyclictest2772219-21turbostat22:30:003
270161799423414,6cyclictest2812715-21turbostat00:29:550
270162899421412,6cyclictest2719649-21turbostat20:00:003
270162599421413,5cyclictest2721380-21turbostat20:09:552
270162599421412,6cyclictest2751148-21turbostat21:34:552
270162899420413,4cyclictest2807204-21turbostat00:10:003
270162599418411,4cyclictest2810671-21turbostat00:24:552
270162899413406,4cyclictest2761831-21turbostat22:04:553
270162899410403,4cyclictest2814433-21turbostat00:30:013
270162899410401,6cyclictest2768744-21turbostat22:20:013
270162899409400,6cyclictest2784338-21turbostat23:09:553
270162899409386,20cyclictest2740759-21turbostat21:04:563
270162899406398,5cyclictest2724837-21turbostat20:15:003
270162599406380,23cyclictest2798226-21turbostat23:49:562
270162899404397,4cyclictest2758075-21turbostat21:54:553
270162599404395,6cyclictest2777416-21turbostat22:49:552
270162599402395,4cyclictest2732058-21turbostat20:39:552
270162599399392,4cyclictest2710999-21turbostat19:39:552
270162599397388,6cyclictest2747673-21turbostat21:24:552
270162899395388,4cyclictest2738991-21turbostat20:59:553
270162899393386,4cyclictest2721380-21turbostat20:05:003
270162899390383,4cyclictest2745947-21turbostat21:15:003
270162599387380,4cyclictest2709264-21turbostat19:34:562
270162599386379,4cyclictest2787806-21turbostat23:19:552
270162599386359,23cyclictest2770488-21turbostat22:29:552
270162599386359,23cyclictest2770488-21turbostat22:29:552
270162899385377,5cyclictest2759798-21turbostat21:59:553
270162599384357,24cyclictest2793033-21turbostat23:34:552
270162899381374,4cyclictest2812715-21turbostat00:25:003
270162899381373,5cyclictest2805472-21turbostat00:05:003
270162899379371,5cyclictest2714463-21turbostat19:44:593
270162599378371,4cyclictest2756340-21turbostat21:49:552
270162899374365,6cyclictest2773944-21turbostat22:35:003
270162599371364,4cyclictest2803421-21turbostat00:04:552
270162899367360,4cyclictest2780867-21turbostat22:59:553
270162899364357,4cyclictest2754608-21turbostat21:44:553
270162899362337,22cyclictest2779148-21turbostat22:50:003
270162899359351,5cyclictest2799963-21turbostat23:50:003
270162199357350,4cyclictest2799963-21turbostat23:54:551
270162899356349,4cyclictest2707535-21turbostat19:25:003
270162899356349,4cyclictest2703275-21turbostat19:19:553
270162899356348,5cyclictest2768744-21turbostat22:24:553
270162899354346,5cyclictest2749408-21turbostat21:25:003
270162899352344,5cyclictest2701483-21turbostat19:14:553
270162199349344,3cyclictest2789575-21turbostat23:24:551
270162899346339,4cyclictest2712725-21turbostat19:40:003
270162899345337,5cyclictest2723108-21turbostat20:09:593
270162899345325,17cyclictest2775683-21turbostat22:40:013
270162599345336,6cyclictest2816165-21turbostat00:39:552
270162899342335,4cyclictest2754608-21turbostat21:40:003
270162599327320,4cyclictest2724837-21turbostat20:19:552
270162599327320,4cyclictest2707535-21turbostat19:29:552
270162599324317,4cyclictest2805472-21turbostat00:09:552
270162899320303,14cyclictest2730031-21turbostat20:30:003
270162899320303,14cyclictest2730031-21turbostat20:30:003
270162599320313,4cyclictest2775683-21turbostat22:44:552
270162899319313,4cyclictest2710999-21turbostat19:35:003
270162899297288,6cyclictest2709264-21turbostat19:30:013
270162899217203,10cyclictest2758075-21turbostat21:50:003
270162899190176,10cyclictest2791301-21turbostat23:25:003
2701422213372,23sleep10-21swapper/119:09:261
1973991190,98rtkit-daemon0-21swapper/019:06:060
2701168211178,23sleep20-21swapper/219:06:102
2701189210877,22sleep30-21swapper/319:06:263
27016289910596,6cyclictest2801682-21turbostat23:55:003
275844821000,4sleep00-21swapper/021:50:150
27016289910092,5cyclictest2716185-21turbostat19:50:003
2701628999790,4cyclictest2789575-21turbostat23:20:013
27700922780,6sleep10-21swapper/122:20:291
28061182660,6chrt2805713-21/usr/sbin/munin00:05:160
27529082650,5sleep14497-21PK-Backend21:35:011
27669962530,6sleep22754308-21kworker/u8:222:14:552
270162599473,28cyclictest2738982-21sh20:54:592
270162599473,28cyclictest2738982-21sh20:54:592
197399450,31rtkit-daemon2727240-21taskset20:20:191
2701617994422,18cyclictest13-21ksoftirqd/020:30:020
2701617994422,18cyclictest13-21ksoftirqd/020:30:020
197399420,29rtkit-daemon0-21swapper/019:10:330
27275832410,5chrt0-21swapper/220:20:252
27202512410,5sleep00-21swapper/020:00:150
270162599415,11cyclictest34-21ksoftirqd/223:21:002
2701617994131,6cyclictest13-21ksoftirqd/023:30:000
2701617994126,11cyclictest2775665-21cron22:40:000
27943362400,7chrt4497-21PK-Backend23:30:310
2701625994020,15cyclictest2791569-21sshd23:25:112
2701625994011,7cyclictest141rcu_preempt19:45:242
2701621994011,5cyclictest141rcu_preempt00:30:021
2701617994019,17cyclictest2768437-21sshd22:16:100
197399400,26rtkit-daemon4497-21PK-Backend23:10:411
197399400,26rtkit-daemon4497-21PK-Backend23:10:401
2701625993924,11cyclictest2780885-21/usr/sbin/munin22:55:002
2701625993924,11cyclictest2780885-21/usr/sbin/munin22:55:002
2701625993921,14cyclictest34-21ksoftirqd/219:43:512
2701625993921,13cyclictest2706460-21if_enp2s019:20:192
270162599391,33cyclictest2717355-21cat19:50:292
2701625993910,6cyclictest141rcu_preempt21:12:052
270162199397,5cyclictest141rcu_preempt22:27:241
270162199397,5cyclictest141rcu_preempt22:27:241
2701621993927,9cyclictest2720660-21ntpq20:00:251
2701621993922,13cyclictest26-21ksoftirqd/122:04:481
2701621993921,14cyclictest26-21ksoftirqd/120:06:121
2701621993921,13cyclictest26-21ksoftirqd/119:26:111
270161799392,15cyclictest280345550mandb00:00:020
197399390,26rtkit-daemon4497-21PK-Backend20:15:040
197399390,26rtkit-daemon0-21swapper/123:15:421
197399390,25rtkit-daemon0-21swapper/023:00:070
270162599383,30cyclictest2754807-21latency_hist21:40:032
2701625993819,14cyclictest34-21ksoftirqd/223:54:442
2701625993819,14cyclictest34-21ksoftirqd/222:18:252
270162199389,6cyclictest141rcu_preempt23:55:261
2701621993820,13cyclictest26-21ksoftirqd/120:10:541
2701621993820,13cyclictest26-21ksoftirqd/119:39:471
2701621993814,5cyclictest141rcu_preempt20:58:571
270162199381,14cyclictest4497-21PK-Backend23:48:381
2701617993828,6cyclictest2752716-21NetworkManager21:33:100
2701617993824,10cyclictest2763546-21cron22:05:000
2701617993821,13cyclictest2734650-21memory20:40:210
197399380,25rtkit-daemon4497-21PK-Backend21:45:550
197399380,25rtkit-daemon4497-21PK-Backend20:30:121
197399380,25rtkit-daemon0-21swapper/019:41:170
197399380,24rtkit-daemon0-21swapper/021:09:030
197399380,23rtkit-daemon0-21swapper/020:58:000
270162599379,7cyclictest141rcu_preempt00:00:002
2701625993722,10cyclictest2747692-21/usr/sbin/munin21:20:012
2701625993721,12cyclictest2703314-21munin-node19:15:022
2701625993719,13cyclictest466-21systemd-udevd20:25:062
2701625993719,13cyclictest466-21systemd-udevd20:25:052
2701625993719,13cyclictest2731796-40apt-check20:32:172
2701625993718,14cyclictest34-21ksoftirqd/222:00:402
2701625993718,13cyclictest34-21ksoftirqd/200:12:112
270162199379,5cyclictest141rcu_preempt20:15:141
2701621993720,13cyclictest2795766-21ntpq23:35:261
2701621993720,13cyclictest2795766-21ntpq23:35:261
2701621993720,13cyclictest26-21ksoftirqd/121:16:151
2701621993719,13cyclictest26-21ksoftirqd/122:49:151
197399370,25rtkit-daemon4497-21PK-Backend00:31:381
2701625993626,7cyclictest1137-21runrttasks23:45:002
2701625993621,11cyclictest2773708-21seq22:32:072
2701625993619,12cyclictest2813694-21ntpq00:25:242
2701621993621,11cyclictest2807622-21cpuspeed_turbos00:10:141
2701621993619,13cyclictest26-21ksoftirqd/122:30:261
2701621993618,13cyclictest26-21ksoftirqd/121:46:081
2701621993612,19cyclictest2811580-40apt-check00:20:211
2701621993611,4cyclictest141rcu_preempt19:15:311
270162199361,10cyclictest4497-21PK-Backend19:15:001
197399360,24rtkit-daemon0-21swapper/121:00:161
270162599355,25cyclictest2769397-21runrttasks22:20:172
2701625993528,5cyclictest0-21swapper/221:06:312
2701625993527,5cyclictest0-21swapper/221:01:122
2701625993520,11cyclictest2751172-21systemd-run21:30:002
2701625993518,13cyclictest34-21ksoftirqd/221:43:112
2701625993517,14cyclictest2080-21gdbus20:58:552
2701625993515,15cyclictest438-20systemd-journal00:35:012
2701625993512,5cyclictest141rcu_preempt19:20:012
270162199357,5cyclictest141rcu_preempt19:20:251
2701621993520,11cyclictest2806448-21ntp_kernel_err00:05:231
2701621993520,11cyclictest2743466-21ntp_kernel_err21:05:231
270162199351,9cyclictest4497-21PK-Backend21:54:241
270162199351,9cyclictest4497-21PK-Backend21:23:371
2701621993519,12cyclictest2736191-21fw_packets20:45:191
2701621993518,12cyclictest2803849-21dpkg00:00:041
2701621993517,6cyclictest26-21ksoftirqd/123:30:091
2701621993511,5cyclictest141rcu_preempt22:40:291
270162199351,14cyclictest4497-21PK-Backend21:13:111
2701617993524,7cyclictest2780863-21sh22:54:590
2701617993524,7cyclictest2780863-21sh22:54:590
2701617993523,9cyclictest13-21ksoftirqd/019:20:220
2701617993520,12cyclictest2805115-21sshd00:01:110
2701617993520,11cyclictest2731269-21awk20:30:240
2701617993518,5cyclictest13-21ksoftirqd/022:15:010
270161799351,11cyclictest27185222cat19:55:150
2701625993427,4cyclictest0-21swapper/223:07:522
2701625993426,5cyclictest0-21swapper/221:59:412
2701625993423,7cyclictest2758544-21cstates21:50:152
2701625993417,12cyclictest2795886-21awk23:35:292
2701625993417,12cyclictest2795886-21awk23:35:292
270162199349,5cyclictest141rcu_preempt21:25:131
270162199344,10cyclictest26-21ksoftirqd/119:56:051
2701621993426,5cyclictest0-21swapper/120:37:021
2701621993419,11cyclictest2717070-21wc19:50:221
2701621993419,10cyclictest2754997-21grep21:40:141
2701621993417,12cyclictest2734805-21ntpq20:40:241
270162199341,30cyclictest4497-21PK-Backend22:12:061
270162199341,10cyclictest4497-21PK-Backend23:08:581
270161799346,11cyclictest13-21ksoftirqd/019:19:380
270161799345,16cyclictest13-21ksoftirqd/020:09:570
2701617993424,6cyclictest2749434-21basename21:25:000
2701617993420,10cyclictest2796492-21latency_hist23:40:020
2701617993420,10cyclictest2796492-21latency_hist23:40:020
2701617993419,11cyclictest923-21dbus-daemon00:15:010
2701617993419,11cyclictest2816847-21basename00:35:200
2701617993419,11cyclictest2790691-21awk23:20:270
2701617993419,11cyclictest2744759-21cat21:10:140
2701617993419,11cyclictest2709915-21cat19:30:180
2701617993418,12cyclictest2723821-21cat20:10:200
2701617993418,12cyclictest1-21systemd22:45:010
2701617993418,11cyclictest438-20systemd-journal20:45:110
2701617993417,13cyclictest2750047-21df_inode21:25:140
2701617993417,13cyclictest2088-21gnome-shell23:15:310
270161799341,29cyclictest2739000-21awk20:55:000
270161799341,29cyclictest2739000-21awk20:55:000
27173572330,8chrt4497-21PK-Backend19:50:290
270162599333,9cyclictest34-21ksoftirqd/222:35:112
2701625993321,9cyclictest2811028-21cat00:20:022
2701625993318,11cyclictest923-21dbus-daemon23:05:002
2701625993317,12cyclictest2787476-21seq23:11:072
2701625993317,12cyclictest2787476-21seq23:11:072
2701621993323,5cyclictest26-21ksoftirqd/100:18:091
2701621993317,12cyclictest2797818-21sed23:40:291
2701621993317,12cyclictest2710770-21sshd19:32:211
2701621993315,6cyclictest26-21ksoftirqd/121:55:181
2701621993314,6cyclictest26-21ksoftirqd/122:51:041
2701621993314,6cyclictest26-21ksoftirqd/122:51:041
270162199331,29cyclictest4497-21PK-Backend00:35:571
2701621993310,11cyclictest2783821-21threads23:00:291
2701617993323,7cyclictest2778349-21needreboot22:45:230
2701617993323,6cyclictest2733784-21cron20:40:000
2701617993322,7cyclictest2781889-21sh22:55:240
2701617993321,9cyclictest2760450-21cpuspeed_turbos21:55:130
2701617993321,8cyclictest13-21ksoftirqd/023:05:220
2701617993320,9cyclictest2069-21gnome-shell21:42:090
2701617993318,12cyclictest13-21ksoftirqd/020:20:100
2701617993318,11cyclictest2812308-40lsb_release00:20:300
2701617993318,11cyclictest2809274-21cat00:15:120
2701617993317,12cyclictest2797320-21cat23:40:200
270161799331,28cyclictest2715787-21cat19:45:340
270162599321,4cyclictest4497-21PK-Backend22:08:272
270162599321,4cyclictest4497-21PK-Backend20:45:352
270162199321,8cyclictest0-21swapper/122:06:561
2701617993222,6cyclictest2798664-21tr23:45:120
2701617993222,6cyclictest13-21ksoftirqd/022:09:090
2701617993222,6cyclictest13-21ksoftirqd/021:15:180
2701617993219,9cyclictest2708364-21sed19:25:200
2701617993217,11cyclictest2801175-21grep23:50:290
2701617993216,12cyclictest2754713-21cut21:40:020
2701617993214,14cyclictest2814831-21grep00:30:130
270161799321,18cyclictest1137-21runrttasks22:21:430
2701625993117,10cyclictest2782090-21find22:55:282
2701625993115,12cyclictest2718399-21seq19:55:152
270162599311,4cyclictest0-21swapper/220:04:192
2701621993118,8cyclictest438-20systemd-journal22:58:031
270161799316,5cyclictest141rcu_preempt21:00:120
2701617993122,5cyclictest13-21ksoftirqd/022:34:340
2701617993122,5cyclictest13-21ksoftirqd/019:36:480
2701617993121,6cyclictest13-21ksoftirqd/022:28:400
2701617993121,6cyclictest13-21ksoftirqd/022:28:400
2701621993013,5cyclictest26-21ksoftirqd/123:28:021
2701617993016,10cyclictest2787780-21cron23:15:000
2701617993016,10cyclictest2787780-21cron23:15:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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