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2026-02-27 - 20:47
[ 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 Fri Feb 27, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3672055993833,2cyclictest3612556-21kworker/u8:3+events_unbound07:25:243
3672055993528,5cyclictest3993991-21latency_hist12:20:003
3672050993529,4cyclictest3879329-21latency_hist10:30:011
3672046993531,3cyclictest3718666-21apt-get07:55:120
3672046993522,11cyclictest4004516-21apt-get12:30:090
3672055993430,3cyclictest3947291-21kworker/u8:1+events_unbound12:30:103
3672046993318,13cyclictest3811703-21apt-key09:25:000
3672053993118,8cyclictest3879495-21cat10:30:012
3672053992924,4cyclictest3921019-21apt-get11:10:002
3672046992925,2cyclictest3885155-21apt-get10:35:110
3672050992822,4cyclictest4009632-21/usr/sbin/munin12:35:141
3672055992723,2cyclictest3790646-21kworker/u8:2+events_unbound09:35:233
3672050992724,2cyclictest3953068-21kworker/u8:3+flush-259:012:10:151
3672046992720,5cyclictest3909913-21ntpq10:55:210
3672053992620,4cyclictest3822462-21cat09:35:002
3672050992619,5cyclictest3921021-21latency_hist11:10:001
3672046992612,2cyclictest60350irq/132-enp0s29f1:rx-012:00:210
3672055992521,3cyclictest3878414-21kworker/u8:1+events_unbound10:58:293
3672053992521,3cyclictest3672256-21apt-get07:10:092
3672050992521,3cyclictest3900684-21apt-get10:50:121
3672046992519,4cyclictest3921019-21apt-get11:10:030
3672046992513,1cyclictest0-21swapper/010:00:000
3672055992422,1cyclictest3843293-21kworker/u8:4+events_unbound10:04:553
3672055992421,2cyclictest3790646-21kworker/u8:2+events_unbound10:33:293
3672055992421,2cyclictest3790646-21kworker/u8:2+events_unbound10:16:293
3672055992421,2cyclictest3754460-21kworker/u8:3+events_unbound08:45:133
3672055992421,2cyclictest3743725-21kworker/u8:2+events_unbound08:33:303
3672055992420,3cyclictest3878414-21kworker/u8:1+events_unbound10:26:293
3672050992411,4cyclictest3727784-21ntpq08:00:211
3672055992321,2cyclictest3733859-21kworker/u8:0+events_unbound08:16:303
3672055992320,2cyclictest3915029-21kworker/u8:0+events_unbound11:39:163
3672055992320,2cyclictest3890101-21kworker/u8:0+events_unbound10:44:563
3672055992320,2cyclictest3884501-21kworker/u8:3+events_unbound10:50:293
3672055992320,2cyclictest3884501-21kworker/u8:3+events_unbound10:46:293
3672055992320,2cyclictest3718442-21kworker/u8:1+events_unbound08:08:583
3672055992319,3cyclictest3953068-21kworker/u8:3+events_unbound11:45:133
3672055992318,2cyclictest3613487-21kworker/u8:0+events_unbound07:10:243
3672053992319,3cyclictest3708296-21/usr/sbin/munin07:45:212
3672050992317,4cyclictest3932006-21/usr/sbin/munin11:20:131
3672055992219,2cyclictest3733859-21kworker/u8:0+events_unbound09:25:293
3672055992219,2cyclictest3612556-21kworker/u8:3+events_unbound08:14:563
3672055992218,3cyclictest3733859-21kworker/u8:0+events_unbound09:42:143
3672055992218,3cyclictest3733859-21kworker/u8:0+events_unbound09:42:133
3672050992210,2cyclictest3978041-21unixbench_multi12:00:231
3672046992216,5cyclictest3758720-21ntpq08:30:190
3672055992119,2cyclictest3754460-21kworker/u8:3+events_unbound08:39:293
3672055992118,2cyclictest3790646-21kworker/u8:2+events_unbound10:10:283
3672053992117,3cyclictest3692832-21/usr/sbin/munin07:30:122
3672050992118,2cyclictest3947291-21kworker/u8:1+flush-259:012:30:151
3672050992117,3cyclictest3833255-21apt-get09:45:111
3672050992117,3cyclictest3811489-21apt-get09:25:001
3672046992118,2cyclictest3984966-21kthreadcore12:10:160
3672055992018,2cyclictest3733859-21kworker/u8:0+events_unbound09:18:293
3672055992017,2cyclictest3953068-21kworker/u8:3+events_unbound11:52:283
3672055992017,2cyclictest3953068-21kworker/u8:3+events_unbound11:43:283
3672055992017,2cyclictest3905203-21kworker/u8:4+events_unbound11:05:283
3672055992017,2cyclictest3838155-21kworker/u8:3+events_unbound09:53:303
3672055992017,2cyclictest3743725-21kworker/u8:2+events_unbound08:24:323
3672055992016,3cyclictest3612556-21kworker/u8:3+events_unbound07:45:283
3672055992016,3cyclictest3612556-21kworker/u8:3+events_unbound07:37:113
3672055992014,4cyclictest3942115-21latency_hist11:30:003
3672053992018,2cyclictest3953068-21kworker/u8:3+events_unbound11:49:552
3672050992016,3cyclictest3828072-21apt-get09:40:111
3672050992016,3cyclictest3828072-21apt-get09:40:111
3672046992017,2cyclictest2971-21cron11:40:000
3672046992014,5cyclictest3957078-21ntpq11:40:200
3672055991917,2cyclictest3947291-21kworker/u8:1+events_unbound11:56:303
3672055991917,2cyclictest3947291-21kworker/u8:1+events_unbound11:56:303
3672055991917,2cyclictest3790646-21kworker/u8:2+events_unbound09:57:303
3672055991916,3cyclictest3947291-21kworker/u8:1+events_unbound12:13:283
3672055991916,2cyclictest3947291-21kworker/u8:1+events_unbound12:06:013
3672055991916,2cyclictest3915029-21kworker/u8:0+events_unbound11:03:293
3672055991916,2cyclictest3905203-21kworker/u8:4+events_unbound11:10:023
3672055991916,2cyclictest3754460-21kworker/u8:3+events_unbound08:56:353
3672055991916,2cyclictest3692635-21kworker/u8:2+events_unbound07:53:333
3672053991914,4cyclictest252-21systemd-journal09:30:002
3672050991916,2cyclictest3718442-21kworker/u8:1+flush-259:008:10:021
3672050991915,3cyclictest3790646-21kworker/u8:2+flush-259:010:10:261
3672050991915,3cyclictest3790646-21kworker/u8:2+flush-259:009:40:001
3672046991916,2cyclictest1-21systemd08:55:000
3672046991913,1cyclictest60350irq/132-enp0s29f1:rx-011:23:450
3672055991816,2cyclictest3692635-21kworker/u8:2+events_unbound07:32:563
3672055991815,2cyclictest3613487-21kworker/u8:0+events_unbound07:20:573
3672053991815,2cyclictest252-21systemd-journal08:15:002
3672050991815,2cyclictest3973383-21turbostat.cron12:00:001
3672050991815,2cyclictest3973383-21turbostat.cron12:00:001
3672046991814,2cyclictest1-21systemd09:52:280
3672046991813,4cyclictest3905203-21kworker/u8:4+flush-259:011:05:240
3672046991812,4cyclictest3854037-21diskstats10:05:130
3672055991715,2cyclictest3953068-21kworker/u8:3+events_unbound12:00:303
3672055991715,2cyclictest3790646-21kworker/u8:2+events_unbound10:06:563
3672055991714,2cyclictest3905203-21kworker/u8:4+events_unbound11:16:513
3672055991714,2cyclictest3874236-21latency_hist10:25:003
3672055991714,2cyclictest3733859-21kworker/u8:0+events_unbound09:30:473
3672055991714,2cyclictest3718442-21kworker/u8:1+events_unbound08:01:313
3672055991714,2cyclictest3692635-21kworker/u8:2+events_unbound07:55:513
3672055991710,1cyclictest191rcu_preempt09:00:153
367205399175,7cyclictest3754284-21sshd08:28:372
367205399172,4cyclictest3690650-21grep07:25:182
367205399171,6cyclictest3723545-21cron08:04:562
3672053991711,4cyclictest3999096-21latency_hist12:25:002
3672053991711,4cyclictest3952841-21latency_hist11:40:002
3672050991712,3cyclictest252-21systemd-journal09:52:271
3672050991711,4cyclictest3718394-21latency_hist07:55:011
3672050991710,5cyclictest252-21systemd-journal11:50:001
3672046991714,2cyclictest60350irq/132-enp0s29f1:rx-012:23:440
3672046991712,3cyclictest252-21systemd-journal10:34:060
3672046991711,4cyclictest3795098-21ntpq09:05:200
3672055991614,2cyclictest4009439-21kworker/u8:0+events_unbound12:36:363
3672055991614,2cyclictest3743725-21kworker/u8:2+events_unbound08:28:283
3672055991613,2cyclictest3790646-21kworker/u8:2+events_unbound11:33:543
3672055991613,2cyclictest3733859-21kworker/u8:0+events_unbound09:45:043
3672055991613,2cyclictest3733859-21kworker/u8:0+events_unbound09:06:513
367205399162,5cyclictest3764743-21latency_hist08:40:002
367205399161,4cyclictest3739400-21diskstats08:15:132
3672053991613,2cyclictest3901088-21irqcore10:50:162
3672053991612,3cyclictest3790985-21cat09:05:012
3672053991611,4cyclictest3822229-21apt-get09:35:022
3672053991611,3cyclictest252-21systemd-journal08:54:592
3672053991610,4cyclictest252-21systemd-journal12:05:002
3672050991613,2cyclictest3805422-21ntp_kernel_pll_09:15:201
3672050991612,3cyclictest3884895-21latency_hist10:35:011
3672046991614,1cyclictest60350irq/132-enp0s29f1:rx-011:25:240
3672046991614,1cyclictest60350irq/132-enp0s29f1:rx-008:27:190
3672046991614,1cyclictest3863938-21sh10:15:000
3672046991613,2cyclictest60350irq/132-enp0s29f1:rx-009:35:170
3672046991613,2cyclictest60350irq/132-enp0s29f1:rx-009:25:100
3672046991613,2cyclictest60350irq/132-enp0s29f1:rx-007:10:210
3672046991610,4cyclictest3982764-21ntpq12:05:190
367205599159,1cyclictest191rcu_preempt07:15:213
367205599157,1cyclictest191rcu_preempt12:20:213
367205599155,7cyclictest50-21ksoftirqd/308:50:203
367205599153,4cyclictest3807267-21irqcore09:20:163
3672055991512,2cyclictest3947291-21kworker/u8:1+events_unbound12:26:303
3672055991512,2cyclictest3884501-21kworker/u8:3+events_unbound10:39:303
3672055991512,2cyclictest3733859-21kworker/u8:0+events_unbound08:40:313
3672055991512,2cyclictest3612556-21kworker/u8:3+events_unbound07:40:273
367205399157,5cyclictest0-21swapper/209:40:052
367205399157,5cyclictest0-21swapper/209:40:052
367205399155,2cyclictest0-21swapper/211:10:002
367205399152,5cyclictest41-21ksoftirqd/207:40:152
367205399152,3cyclictest3810599-21ntpq09:20:212
367205399151,8cyclictest3946353-21ntpq11:30:192
367205399151,8cyclictest3873422-21ntp_states10:20:202
367205399151,6cyclictest4003417-21ntpq12:25:222
3672053991512,2cyclictest3890101-21kworker/u8:0+events_unbound10:40:562
3672053991512,1cyclictest191rcu_preempt10:59:082
3672053991511,1cyclictest191rcu_preempt09:00:202
3672053991510,1cyclictest191rcu_preempt07:20:002
367205399150,10cyclictest3957059-21ntpq11:40:192
367205099159,4cyclictest3749522-21seq08:25:121
367205099158,1cyclictest0-21swapper/108:40:001
3672050991513,1cyclictest3994657-21irqcore12:20:161
3672050991512,2cyclictest3942575-21fschecks_count11:30:121
3672050991512,2cyclictest3733859-21kworker/u8:0+events_unbound08:40:151
3672050991512,2cyclictest3733342-21unixbench_multi08:05:231
3672050991512,2cyclictest3677146-21idleruntime-cro07:14:591
3672050991511,3cyclictest3989060-21/usr/sbin/munin12:15:151
3672050991510,4cyclictest3895500-21apt-get10:45:101
3672050991510,4cyclictest252-21systemd-journal09:10:001
367204699159,5cyclictest3686547-21ntpq07:20:180
3672046991514,1cyclictest60350irq/132-enp0s29f1:rx-011:30:120
3672046991513,2cyclictest60350irq/132-enp0s29f1:rx-008:18:200
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-012:25:130
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-011:59:520
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-011:59:520
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-011:50:250
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-010:25:150
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-010:20:180
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-010:15:380
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-009:44:550
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-009:44:540
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-009:15:230
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-008:45:230
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-007:50:180
3672046991513,1cyclictest60350irq/132-enp0s29f1:rx-007:35:170
3672046991512,2cyclictest60350irq/132-enp0s29f1:rx-010:45:210
3672046991512,2cyclictest60350irq/132-enp0s29f1:rx-010:00:150
3672046991512,2cyclictest60350irq/132-enp0s29f1:rx-009:49:540
3672046991512,2cyclictest60350irq/132-enp0s29f1:rx-008:22:390
3672046991512,2cyclictest60350irq/132-enp0s29f1:rx-007:15:230
3672055991412,2cyclictest3790646-21kworker/u8:2+events_unbound11:21:463
367205399146,1cyclictest191rcu_preempt10:30:112
367205399146,1cyclictest191rcu_preempt09:45:212
367205399146,1cyclictest191rcu_preempt07:35:222
367205399143,3cyclictest41-21ksoftirqd/207:50:202
367205399143,2cyclictest3758731-21ntpq08:30:212
367205399142,8cyclictest41-21ksoftirqd/211:50:212
367205399142,7cyclictest41-21ksoftirqd/212:05:212
367205399142,3cyclictest41-21ksoftirqd/210:05:182
367205399142,2cyclictest0-21swapper/210:10:192
3672053991411,1cyclictest0-21swapper/212:00:012
3672053991411,1cyclictest0-21swapper/212:00:002
367205399140,8cyclictest3941716-21users11:25:252
367205399140,7cyclictest4004677-21diskstats12:30:112
367205399140,6cyclictest3733048-21/usr/sbin/munin08:05:232
367205099149,3cyclictest252-21systemd-journal08:52:281
3672050991412,1cyclictest500-21systemd-logind09:15:001
3672050991411,2cyclictest3613487-21kworker/u8:0+flush-259:007:20:201
367205099140,13cyclictest3889768-21sshd10:36:281
3672046991412,1cyclictest60350irq/132-enp0s29f1:rx-011:45:140
3672046991412,1cyclictest60350irq/132-enp0s29f1:rx-011:00:260
3672046991412,1cyclictest60350irq/132-enp0s29f1:rx-008:55:200
3672046991412,1cyclictest60350irq/132-enp0s29f1:rx-008:40:340
3672046991412,1cyclictest60350irq/132-enp0s29f1:rx-008:11:450
3672046991412,1cyclictest60350irq/132-enp0s29f1:rx-007:40:240
3672046991412,1cyclictest60350irq/132-enp0s29f1:rx-007:30:150
3672046991412,1cyclictest60350irq/132-enp0s29f1:rx-007:26:490
3672046991411,2cyclictest60350irq/132-enp0s29f1:rx-008:00:260
367204699140,6cyclictest3763896-21ntpq08:35:210
367205599133,7cyclictest50-21ksoftirqd/309:10:203
367205399139,1cyclictest191rcu_preempt10:35:282
367205399138,4cyclictest3796263-21apt-get09:10:112
367205399138,1cyclictest191rcu_preempt11:16:442
367205399138,1cyclictest191rcu_preempt09:59:362
367205399138,1cyclictest191rcu_preempt09:53:372
367205399136,1cyclictest191rcu_preempt07:55:102
367205399134,1cyclictest191rcu_preempt12:10:152
367205399132,3cyclictest41-21ksoftirqd/210:45:172
367205399132,3cyclictest41-21ksoftirqd/208:45:172
367205399132,2cyclictest41-21ksoftirqd/209:15:162
367205399131,7cyclictest41-21ksoftirqd/208:55:222
367205399131,2cyclictest41-21ksoftirqd/210:00:132
3672053991312,1cyclictest391rcuc/208:42:032
3672053991310,2cyclictest3864398-21fschecks_count10:15:142
367205399130,7cyclictest4009958-21hddtemp_smartct12:35:142
367205399130,6cyclictest41-21ksoftirqd/211:20:122
367205099137,4cyclictest252-21systemd-journal07:29:591
3672050991310,2cyclictest3677592-21fschecks_count07:15:131
3672046991311,1cyclictest60350irq/132-enp0s29f1:rx-012:18:070
3672046991311,1cyclictest60350irq/132-enp0s29f1:rx-010:53:050
3672046991311,1cyclictest60350irq/132-enp0s29f1:rx-009:00:450
3672046991311,1cyclictest60350irq/132-enp0s29f1:rx-008:05:540
3672046991310,2cyclictest61150irq/133-enp0s29f1:tx-010:40:120
3672046991310,2cyclictest60350irq/132-enp0s29f1:rx-012:35:180
3672046991310,2cyclictest60350irq/132-enp0s29f1:rx-011:15:130
3672046991310,2cyclictest60350irq/132-enp0s29f1:rx-009:10:120
3672046991310,2cyclictest3821823-21unixbench_singl09:30:250
367205399125,2cyclictest0-21swapper/212:15:202
367205399125,1cyclictest191rcu_preempt08:20:002
367205399123,6cyclictest41-21ksoftirqd/211:00:142
367205099129,1cyclictest0-21swapper/107:40:201
367205099127,4cyclictest252-21systemd-journal11:27:291
3672050991210,1cyclictest0-21swapper/112:05:181
3672050991210,1cyclictest0-21swapper/109:35:001
367204699129,2cyclictest3708387-21cpuspeed_turbos07:45:140
367205099119,1cyclictest0-21swapper/111:55:001
367205099108,1cyclictest3911132-21cpuspeed_turbos11:00:121
367205099108,1cyclictest0-21swapper/111:40:231
367205099108,1cyclictest0-21swapper/110:05:151
367205099108,1cyclictest0-21swapper/107:30:151
367205099106,3cyclictest3612556-21kworker/u8:3+flush-259:007:55:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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