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2026-01-17 - 07:43
[ 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 all highest latencies:
System rackcslot7s.osadl.org (updated Sat Jan 17, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
353438824770,7sleep20-21swapper/219:05:202
362577221010,6sleep30-21swapper/323:20:153
36004532930,6sleep14497-21PK-Backend22:10:021
36004532930,6sleep14497-21PK-Backend22:10:021
36062852870,5sleep20-21swapper/222:25:202
36141632810,4sleep04497-21PK-Backend22:50:010
3535416997871,5cyclictest0-21swapper/019:47:580
3535416997316,14cyclictest3615475-21chrt22:50:340
35451722720,4chrt3545173-21/usr/sbin/munin19:35:172
353378027246,16sleep10-21swapper/119:05:121
35732582710,5sleep24497-21PK-Backend20:55:022
3535416997116,14cyclictest3571253-21chrt20:48:560
3535416996915,14cyclictest3619570-21chrt23:04:510
3535416996815,13cyclictest3544175-21chrt19:30:530
3535416996813,18cyclictest3607834-21chrt22:30:180
3535416996813,18cyclictest3607834-21chrt22:30:180
3535416996715,11cyclictest3606985-21chrt22:27:400
3535416996617,18cyclictest3620646-21which23:05:230
3535416996516,9cyclictest3546088-21chrt19:38:140
3535416996515,10cyclictest3598024-21chrt22:02:410
3535416996418,18cyclictest3645923-40apt-check00:17:000
3535416996416,17cyclictest3594026-21grep21:50:210
353518326445,13sleep30-21swapper/319:09:073
3535416996313,13cyclictest3583777-21perf21:29:540
353520626345,13sleep00-21swapper/019:09:260
3535416996213,9cyclictest3587375-21chrt21:33:070
353541699612,17cyclictest2069-21gnome-shell22:41:580
3535416996113,33cyclictest3553195-21chrt19:57:010
35965412600,22sleep234-21ksoftirqd/222:00:022
35609412600,15chrt34-21ksoftirqd/220:20:122
353542399592,52cyclictest2069-21gnome-shell22:12:582
353542099592,53cyclictest2069-21gnome-shell20:01:581
3535416995912,29cyclictest3650263-21apt00:30:110
197399590,8rtkit-daemon1972-21rtkit-daemon20:56:591
353542099582,52cyclictest2069-21gnome-shell22:34:581
353542099582,52cyclictest2069-21gnome-shell22:34:581
353541699582,10cyclictest2069-21gnome-shell20:54:580
3535416995816,24cyclictest1-21systemd00:05:020
3535416995816,15cyclictest3596234-21chrt21:56:530
3535416995813,19cyclictest3652666-21ls00:35:180
353541699571,52cyclictest2069-21gnome-shell20:23:590
3535416995711,28cyclictest3632705-21diskstats23:40:150
3535416995711,28cyclictest3628222-21users23:25:310
353542899568,8cyclictest42-21ksoftirqd/322:20:583
3535423995636,17cyclictest0-21swapper/219:47:212
353542099562,12cyclictest2069-21gnome-shell20:11:591
3535416995633,18cyclictest2069-21gnome-shell19:54:580
3535416995633,18cyclictest2069-21gnome-shell19:54:580
3535416995616,17cyclictest3601761-21chrt22:12:190
3535416995614,17cyclictest3564363-21chrt20:30:050
3535416995612,19cyclictest3648759-21cstates00:25:140
3535416995612,18cyclictest3637895-21diskstats23:55:160
35955222550,7sleep34497-21PK-Backend21:55:193
353542899558,44cyclictest42-21ksoftirqd/323:12:583
353542399551,11cyclictest3633699-21taskset23:44:012
3535416995516,15cyclictest3547881-21chrt19:44:020
3535416995516,15cyclictest3547881-21chrt19:44:010
3535416995516,14cyclictest3647353-21grep00:20:250
3535416995514,17cyclictest3589367-40lsb_release21:38:000
3535416995512,20cyclictest3574576-21runrttasks20:57:100
3535416995512,17cyclictest3625889-21irqstats23:20:200
3535416995511,19cyclictest3610178-21sed22:35:280
353542899546,8cyclictest42-21ksoftirqd/322:19:583
353542899542,11cyclictest2069-21gnome-shell19:47:003
353542399541,11cyclictest3570990-21taskset20:45:322
353541699542,48cyclictest3569256-40lsb_release20:40:580
3535416995420,17cyclictest2069-21gnome-shell21:13:580
3535416995412,19cyclictest3634659-21cat23:45:210
3535416995412,17cyclictest3629512-21cat23:30:200
3535416995412,17cyclictest3566392-21expr20:35:130
3535416995412,17cyclictest3560419-40lsb_release20:17:060
3535416995411,19cyclictest3581382-21processes21:15:250
353542399532,10cyclictest2069-21gnome-shell23:11:592
353542399531,8cyclictest3593920-21ls21:50:202
353541699532,10cyclictest2069-21gnome-shell21:00:580
3535416995315,14cyclictest3617251-21chrt22:56:100
3535416995311,18cyclictest3582994-21netstat21:20:230
3535416995311,18cyclictest3582994-21netstat21:20:220
3535416995311,17cyclictest3637263-21munin-run23:55:000
35906772520,7sleep14497-21PK-Backend21:40:241
353542899525,7cyclictest42-21ksoftirqd/322:26:583
353542899522,9cyclictest2069-21gnome-shell22:57:583
3535423995217,29cyclictest3627326-21expr23:25:142
353542399521,10cyclictest3602221-21taskset22:15:032
3535420995236,11cyclictest2069-21gnome-shell20:43:581
353542099522,9cyclictest2069-21gnome-shell21:32:591
353541699528,18cyclictest2069-21gnome-shell21:48:100
3535416995215,14cyclictest3542429-21chrt19:25:410
3535416995212,18cyclictest1-21systemd21:10:000
3535416995212,17cyclictest3541093-21ls19:25:010
3535416995212,16cyclictest3642838-21cat00:10:100
3535416995212,15cyclictest3537993-21tr19:15:130
3535416995212,14cyclictest3603106-21awk22:15:240
3535416995211,16cyclictest3622561-21timerandwakeup23:10:280
3535423995143,5cyclictest34-21ksoftirqd/219:54:592
3535423995143,5cyclictest34-21ksoftirqd/219:54:582
3535423995118,28cyclictest3607777-21expr22:30:152
3535423995118,28cyclictest3607777-21expr22:30:152
3535423995117,29cyclictest3598669-21sed22:05:022
3535423995117,29cyclictest3598669-21sed22:05:022
353542399511,6cyclictest3597821-21timerwakeupswit22:00:292
353542399511,14cyclictest3636167-21chrt23:50:162
3535423995110,36cyclictest0-21swapper/219:10:202
353542099512,8cyclictest2069-21gnome-shell20:26:581
353541699512,44cyclictest4497-21PK-Backend20:11:580
3535416995111,15cyclictest3555733-21cat20:05:130
3535416995110,16cyclictest3599837-21users22:05:340
3535416995110,16cyclictest3599837-21users22:05:340
353542899509,35cyclictest2069-21gnome-shell23:50:583
3535428995038,8cyclictest2069-21gnome-shell23:15:583
353542899501,45cyclictest4497-21PK-Backend00:00:593
353542399502,9cyclictest3619324-40lsb_release23:02:012
353542399502,8cyclictest3615874-21kworker/2:223:48:582
353542399502,44cyclictest3560377-40lsb_release20:16:582
3535423995018,27cyclictest3556355-21ls20:05:442
353542399501,7cyclictest3624362-21awk23:15:232
353542099504,7cyclictest231irq_work/119:58:591
353542099502,44cyclictest4497-21PK-Backend19:47:581
353542099502,39cyclictest231irq_work/120:38:581
353541699502,44cyclictest0-21swapper/021:43:590
3535416995012,15cyclictest3563036-21df_inode20:25:170
3535416995012,14cyclictest3536677-21users19:10:300
3535416995011,15cyclictest1-21systemd20:05:010
3535428994936,9cyclictest2069-21gnome-shell23:26:583
353542399492,7cyclictest0-21swapper/200:23:162
353542399492,5cyclictest0-21swapper/221:15:222
353542399492,43cyclictest0-21swapper/220:28:582
3535423994919,25cyclictest3609819-21cat22:35:212
353542399489,33cyclictest3588341-21cat21:35:132
353542399482,9cyclictest3620733-21python323:05:242
353542399482,6cyclictest1054-21snmpd20:59:552
353542399482,43cyclictest0-21swapper/220:34:582
353542399482,42cyclictest0-21swapper/221:25:592
353542399481,7cyclictest3552834-21rt-features19:55:262
353542399481,4cyclictest0-21swapper/221:10:182
3535420994840,5cyclictest231irq_work/122:46:591
353542099482,5cyclictest4497-21PK-Backend23:43:581
353542099481,6cyclictest4497-21PK-Backend19:16:581
353542099481,44cyclictest4497-21PK-Backend19:29:581
353542099481,43cyclictest4497-21PK-Backend23:00:581
353541699482,44cyclictest0-21swapper/023:19:580
353542899472,5cyclictest0-21swapper/321:23:593
353542899472,5cyclictest0-21swapper/321:23:593
3535423994735,8cyclictest2069-21gnome-shell22:51:582
353542399472,6cyclictest0-21swapper/221:05:592
353542399472,6cyclictest0-21swapper/220:10:142
353542399472,42cyclictest0-21swapper/221:33:592
353542399472,42cyclictest0-21swapper/219:26:592
353542399472,41cyclictest0-21swapper/221:20:582
353542399472,41cyclictest0-21swapper/221:20:582
3535423994724,18cyclictest3625771-21df23:20:152
353542399472,11cyclictest3590812-21sed21:40:272
353542399471,7cyclictest3632044-21sshd23:39:572
353542399471,4cyclictest0-21swapper/219:40:132
353542399471,4cyclictest0-21swapper/219:40:132
3535423994712,30cyclictest3566408-21expr20:35:142
3535423994711,31cyclictest3611146-21expr22:40:142
3535423994710,31cyclictest3543339-21expr19:30:122
3535420994740,5cyclictest231irq_work/119:31:591
353542099472,5cyclictest0-21swapper/123:47:581
353542099472,43cyclictest0-21swapper/122:40:581
353542099472,43cyclictest0-21swapper/122:18:581
353542099471,43cyclictest4497-21PK-Backend21:50:581
353542099471,42cyclictest4497-21PK-Backend21:16:591
353541699472,5cyclictest0-21swapper/023:38:580
3535416994716,14cyclictest3642354-21chrt00:08:490
197399470,7rtkit-daemon3594378-21users21:50:293
3535428994638,5cyclictest0-21swapper/319:15:593
353542899462,5cyclictest0-21swapper/320:37:593
353542899462,42cyclictest0-21swapper/321:42:583
353542899462,41cyclictest0-21swapper/319:10:593
3535423994639,4cyclictest0-21swapper/221:00:582
3535423994638,5cyclictest0-21swapper/223:33:582
3535423994638,5cyclictest0-21swapper/221:47:582
3535423994638,5cyclictest0-21swapper/219:24:592
3535423994637,6cyclictest0-21swapper/223:57:582
353542399462,7cyclictest3643574-21/usr/sbin/munin00:10:242
353542399462,41cyclictest0-21swapper/222:45:582
353542399462,41cyclictest0-21swapper/220:04:582
353542399461,14cyclictest3568669-21cat20:40:222
3535420994639,5cyclictest231irq_work/123:30:581
3535420994639,4cyclictest4497-21PK-Backend23:39:581
3535420994638,5cyclictest231irq_work/123:28:591
3535420994638,5cyclictest231irq_work/119:24:581
3535428994533,8cyclictest2069-21gnome-shell23:59:583
353542399452,41cyclictest0-21swapper/222:55:582
3535423994522,19cyclictest3537812-21apt19:15:102
353542399451,8cyclictest3642628-21cat00:10:022
3535420994538,5cyclictest231irq_work/121:58:581
3535420994538,5cyclictest231irq_work/121:11:591
3535420994538,4cyclictest4497-21PK-Backend22:56:581
3535420994537,5cyclictest231irq_work/121:49:581
3535416994510,13cyclictest0-21swapper/022:22:040
36046062440,9sleep10-21swapper/122:20:211
353542399449,30cyclictest3653143-21switchtime00:35:282
3535420994421,9cyclictest26-21ksoftirqd/122:50:351
353542899431,37cyclictest2069-21gnome-shell23:01:593
353542399432,16cyclictest3649663-40lsb_release00:26:052
3535420994335,5cyclictest231irq_work/123:15:581
353542399422,7cyclictest3645305-21memory00:15:202
353542399421,7cyclictest3650642-21diskstats00:30:152
353542399421,6cyclictest3605455-21turbostat.cron22:25:002
3535423994211,27cyclictest3640737-21latency_hist00:05:022
3535420994235,5cyclictest231irq_work/123:10:581
3535420994235,5cyclictest231irq_work/121:09:581
3535420994234,6cyclictest231irq_work/121:23:581
3535420994234,6cyclictest231irq_work/121:23:581
3535420994234,5cyclictest231irq_work/119:40:581
3535420994234,5cyclictest231irq_work/119:40:581
3535420994234,5cyclictest231irq_work/119:37:591
3535420994219,8cyclictest26-21ksoftirqd/100:10:041
3535420994214,15cyclictest26-21ksoftirqd/122:27:411
3535420994210,8cyclictest26-21ksoftirqd/120:15:451
3535428994133,5cyclictest0-21swapper/323:07:593
3535420994133,5cyclictest231irq_work/120:30:581
3535420994126,10cyclictest2069-21gnome-shell21:02:581
3535420994118,9cyclictest26-21ksoftirqd/120:48:571
353542099411,5cyclictest4497-21PK-Backend22:01:591
3535428994033,4cyclictest4497-21PK-Backend21:02:593
353542899401,35cyclictest0-21swapper/322:06:593
353542899401,35cyclictest0-21swapper/322:06:583
35749082390,7sleep34497-21PK-Backend21:00:033
3535428993928,7cyclictest3601003-21irqstats22:10:203
3535428993921,13cyclictest3547251-21ntp_states19:40:243
3535428993921,13cyclictest3547251-21ntp_states19:40:243
3535428993918,16cyclictest976-21rs:main3
353542899391,17cyclictest35613002df20:20:153
3535420993932,5cyclictest231irq_work/122:39:581
3535420993932,5cyclictest231irq_work/120:08:581
36411402380,3sleep30-21swapper/300:05:153
353542899384,30cyclictest3634240-21tr23:45:133
3535428993823,11cyclictest42-21ksoftirqd/319:35:123
353542899382,16cyclictest3554073-21df20:00:143
353542099381,12cyclictest36215072cat23:10:021
3535428993725,8cyclictest2092-21JS10:49:093
3535428993725,8cyclictest2092-21JS10:49:093
3535428993722,11cyclictest3560001-21processes20:15:263
3535428993721,12cyclictest3568246-21tr20:40:143
3535428993721,11cyclictest438-20systemd-journal00:23:323
3535428993721,11cyclictest3653336-21awk00:35:293
3535428993720,12cyclictest3613120-21awk22:45:183
353542899371,21cyclictest3610680-21systemd22:40:013
3535428993711,21cyclictest438-20systemd-journal23:34:573
353542099376,8cyclictest0-21swapper/123:50:251
353542099376,6cyclictest141rcu_preempt00:00:231
353542099373,18cyclictest26-21ksoftirqd/100:34:591
3535420993730,5cyclictest231irq_work/121:29:581
3535420993729,5cyclictest231irq_work/122:13:581
353542099371,16cyclictest4497-21PK-Backend00:25:021
35399972360,5sleep3411rcuc/319:20:183
353542899366,11cyclictest3563872-21sshd20:26:573
3535428993624,8cyclictest2093-21JS10:49:093
3535428993621,10cyclictest3615842-21/usr/sbin/munin22:55:013
3535428993620,11cyclictest438-20systemd-journal21:20:003
3535428993620,11cyclictest3632233-21date23:40:033
3535428993619,12cyclictest438-20systemd-journal20:15:003
3535428993617,13cyclictest3572387-21awk20:50:243
353542899361,12cyclictest438-20systemd-journal20:35:013
353542099361,30cyclictest4497-21PK-Backend23:22:591
3535428993522,8cyclictest3589366-40lsb_release21:37:593
3535428993519,12cyclictest3593065-21systemd21:50:023
3535428993518,12cyclictest3611692-21awk22:40:253
353542899351,30cyclictest3649634-40lsb_release00:25:593
353542899351,29cyclictest1054-21snmpd20:05:573
353542099351,16cyclictest4497-21PK-Backend00:25:031
353542099351,14cyclictest4497-21PK-Backend20:20:291
353542099351,14cyclictest4497-21PK-Backend00:35:181
353542099351,10cyclictest4497-21PK-Backend23:55:291
3535428993423,8cyclictest2753-21gmain19:50:293
3535428993423,8cyclictest2753-21gmain19:50:293
353542899342,29cyclictest42-21ksoftirqd/319:34:583
353542899342,27cyclictest3643209-21irqstats00:10:173
353542899342,27cyclictest3633412-21users23:40:293
3535428993422,7cyclictest3586223-21tr21:30:133
3535428993420,10cyclictest42-21ksoftirqd/321:10:263
3535428993418,11cyclictest3541452-21expr19:25:133
353542899341,13cyclictest3552352-21diskstats19:55:163
3535428993321,8cyclictest3578575-21sh21:10:003
3535428993320,9cyclictest42-21ksoftirqd/321:25:243
3535428993318,11cyclictest3571315-21seq20:49:443
353542099331,8cyclictest4497-21PK-Backend19:10:291
3535420993317,5cyclictest26-21ksoftirqd/121:36:171
353542099331,4cyclictest4497-21PK-Backend00:07:171
3535420993314,7cyclictest141rcu_preempt00:15:211
3535420993313,5cyclictest141rcu_preempt19:50:111
3535420993313,5cyclictest141rcu_preempt19:50:101
353542099331,10cyclictest4497-21PK-Backend20:50:131
3535428993216,12cyclictest3598224-21/usr/sbin/munin22:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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