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2026-02-02 - 13:18
[ 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 376 highest latencies:
System rackeslot4s.osadl.org (updated Mon Feb 02, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3558633994640,4cyclictest3726011-21latency_hist21:59:593
3558623994638,5cyclictest3756876-21latency_hist22:30:010
3558628994239,2cyclictest3860380-21kworker/u8:1+events_unbound00:39:042
3558628994235,5cyclictest3844913-21latency_hist23:55:012
3558623994239,2cyclictest3667676-21kworker/u8:4+flush-259:021:05:010
3558633993935,3cyclictest3772549-21/usr/sbin/munin22:45:133
3558623993935,3cyclictest3599819-21kworker/u8:0+flush-259:019:50:170
3558623993834,2cyclictest3736329-21kworker/u8:2+flush-259:022:25:000
3558623993733,3cyclictest3860380-21kworker/u8:1+flush-259:000:20:150
3558623993632,3cyclictest3620889-21kworker/u8:3+flush-259:020:45:000
3558628993532,2cyclictest3647077-21kworker/u8:1+events_unbound21:16:232
3558623993531,3cyclictest3746637-21kworker/u8:1+flush-259:022:30:140
3558623993531,3cyclictest3599819-21kworker/u8:0+events_unbound20:10:140
3558633993429,3cyclictest3824298-21latency_hist23:35:013
3558628993430,3cyclictest3746637-21kworker/u8:1+events_unbound22:43:222
3558628993430,3cyclictest3746637-21kworker/u8:1+events_unbound22:43:222
3558623993430,3cyclictest3667676-21kworker/u8:4+flush-259:022:45:210
3558623993428,4cyclictest252-21systemd-journal19:24:190
3558628993331,2cyclictest3563682-21kworker/u8:0+events_unbound19:15:272
3558628993328,3cyclictest3876103-21/usr/sbin/munin00:25:152
3558623993329,3cyclictest3563682-21kworker/u8:0+flush-259:019:40:170
3558623993327,4cyclictest3792097-21ntpq23:00:220
3558625993225,5cyclictest3885320-21ntpq00:30:231
3558623993228,3cyclictest3777489-21kworker/u8:3+events_unbound22:50:130
3558623993126,4cyclictest3667676-21kworker/u8:4+events_unbound21:25:210
3558628993025,4cyclictest3798106-21kworker/u8:2+flush-259:023:25:172
3558628993023,5cyclictest3798082-21latency_hist23:10:012
3558628993023,5cyclictest3720205-21latency_hist21:50:012
3558628993023,5cyclictest3610361-21cat20:00:012
3558625993025,3cyclictest3803484-21apt-get23:15:111
3558625993024,4cyclictest3782678-21latency_hist22:55:011
3558623993025,3cyclictest3813033-21kworker/u8:0+flush-259:023:30:210
3558623993023,5cyclictest509-21rs:main0
3558623992925,3cyclictest3798106-21kworker/u8:2+flush-259:000:05:200
3558623992925,3cyclictest3777489-21kworker/u8:3+events_unbound23:50:240
3558623992925,3cyclictest3667676-21kworker/u8:4+events_unbound21:05:150
3558633992825,2cyclictest3667676-21kworker/u8:4+flush-259:021:25:223
3558633992824,3cyclictest3667676-21kworker/u8:4+flush-259:022:35:193
3558625992823,3cyclictest3641587-21gpgv20:30:011
3558625992815,2cyclictest3604960-21idleruntime-cro19:55:001
3558623992822,4cyclictest3855241-21latency_hist00:05:010
3558633992724,2cyclictest3599819-21kworker/u8:0+flush-259:020:10:183
3558633992723,3cyclictest3547939-21kworker/u8:1+flush-259:019:20:213
3558633992721,4cyclictest252-21systemd-journal19:55:363
3558628992724,2cyclictest3647077-21kworker/u8:1+events_unbound20:50:022
3558628992724,2cyclictest3599819-21kworker/u8:0+events_unbound20:11:222
3558628992723,3cyclictest3860380-21kworker/u8:1+events_unbound00:19:352
3558625992721,4cyclictest3537956-21kworker/u8:3+flush-259:019:15:161
3558623992721,4cyclictest3782917-21/usr/sbin/munin22:55:140
3558628992623,2cyclictest3772328-21kworker/u8:0+events_unbound22:47:222
3558628992623,2cyclictest3620889-21kworker/u8:3+events_unbound20:15:392
3558625992611,4cyclictest3870940-21/usr/sbin/munin00:20:131
3558623992619,5cyclictest3812645-21ntpq23:20:210
3558623992619,4cyclictest3652193-21latency_hist20:40:010
3558628992523,2cyclictest3798106-21kworker/u8:2+events_unbound23:58:172
3558628992523,2cyclictest3777489-21kworker/u8:3+events_unbound23:24:562
3558628992523,2cyclictest3667676-21kworker/u8:4+events_unbound22:04:562
3558625992519,4cyclictest252-21systemd-journal00:14:341
3558623992521,3cyclictest3777489-21kworker/u8:3+flush-259:000:30:180
3558623992521,3cyclictest3777489-21kworker/u8:3+flush-259:000:10:210
3558623992520,3cyclictest3741720-21apt-get22:15:110
3558628992422,2cyclictest3777489-21kworker/u8:3+events_unbound00:34:552
3558628992421,2cyclictest3563682-21kworker/u8:0+events_unbound19:40:012
3558625992418,4cyclictest3715281-21apt-get21:45:121
3558623992419,3cyclictest3599819-21kworker/u8:0+events_unbound20:05:150
3558623992418,4cyclictest3641982-21base6420:30:010
3558633992318,4cyclictest3594272-21kworker/u8:2+flush-259:020:30:013
3558633992317,5cyclictest3869792-21ntpq00:15:213
3558628992322,1cyclictest3746637-21kworker/u8:1+events_unbound22:27:222
3558628992320,2cyclictest3777489-21kworker/u8:3+events_unbound00:03:182
3558628992320,2cyclictest3667676-21kworker/u8:4+events_unbound21:06:362
3558628992320,2cyclictest3547939-21kworker/u8:1+events_unbound19:25:412
3558628992317,4cyclictest3834644-21latency_hist23:45:012
3558628992317,4cyclictest3646170-21ntpq20:30:212
3558625992319,3cyclictest3620889-21kworker/u8:3+flush-259:020:40:011
3558625992318,4cyclictest3777489-21kworker/u8:3+flush-259:023:45:151
3558625992317,4cyclictest3813763-21/usr/sbin/munin23:25:231
3558625992316,5cyclictest3859443-21ntpq00:05:171
3558623992320,2cyclictest3777489-21kworker/u8:3+events_unbound23:40:170
3558623992319,3cyclictest3710132-21kworker/u8:1+flush-259:022:00:100
3558623992319,3cyclictest3547939-21kworker/u8:1+flush-259:019:10:250
3558623992319,3cyclictest3547939-21kworker/u8:1+events_unbound19:35:230
3558623992319,2cyclictest3667676-21kworker/u8:4+flush-259:022:10:180
3558633992218,3cyclictest3798106-21kworker/u8:2+flush-259:023:30:003
3558633992217,4cyclictest3563682-21kworker/u8:0+flush-259:019:40:323
3558628992219,2cyclictest3777489-21kworker/u8:3+events_unbound00:14:592
3558628992216,4cyclictest3767155-21latency_hist22:40:002
3558625992217,3cyclictest3615968-21apt-get20:05:121
3558623992218,3cyclictest3860380-21kworker/u8:1+flush-259:000:20:000
3558623992217,3cyclictest3631435-21apt-get20:20:140
3558623992216,4cyclictest3746637-21kworker/u8:1+flush-259:023:05:300
3558623992216,4cyclictest252-21systemd-journal19:19:190
3558633992115,4cyclictest3698581-21latency_hist21:25:013
3558628992119,1cyclictest3667676-21kworker/u8:4+events_unbound21:58:332
3558628992118,2cyclictest3777489-21kworker/u8:3+events_unbound23:45:072
3558628992118,2cyclictest3746637-21kworker/u8:1+events_unbound22:32:452
3558628992118,2cyclictest3736329-21kworker/u8:2+events_unbound22:17:442
3558628992118,2cyclictest3677978-21kworker/u8:3+events_unbound21:36:562
3558628992118,2cyclictest3667676-21kworker/u8:4+events_unbound22:21:002
3558628992118,2cyclictest3667676-21kworker/u8:4+events_unbound21:51:072
3558628992118,2cyclictest3667676-21kworker/u8:4+events_unbound21:28:292
3558628992118,2cyclictest3620889-21kworker/u8:3+events_unbound20:41:242
3558628992118,2cyclictest3594272-21kworker/u8:2+events_unbound20:01:162
3558628992116,3cyclictest3641631-21base6420:30:012
3558625992117,2cyclictest3688541-21apt-get21:15:121
3558625992114,5cyclictest3656448-21ntpq20:40:201
3558623992118,2cyclictest3777489-21kworker/u8:3+events_unbound00:35:210
3558623992117,3cyclictest3746637-21kworker/u8:1+events_unbound23:10:230
3558623992116,4cyclictest3667676-21kworker/u8:4+flush-259:020:55:160
3558623992115,4cyclictest3594272-21kworker/u8:2+events_unbound20:00:180
3558623992114,5cyclictest252-21systemd-journal21:35:010
3558623992113,5cyclictest3688280-21latency_hist21:15:010
3558633992015,3cyclictest3746637-21kworker/u8:1+flush-259:023:10:003
3558633992014,4cyclictest3757294-21diskstats22:30:123
3558633992014,4cyclictest252-21systemd-journal20:20:403
3558633992013,5cyclictest3657358-21latency_hist20:45:013
3558628992017,2cyclictest3777489-21kworker/u8:3+events_unbound23:13:142
3558628992017,2cyclictest3746637-21kworker/u8:1+events_unbound22:53:512
3558628992017,2cyclictest3677978-21kworker/u8:3+events_unbound21:32:202
3558628992017,2cyclictest3647077-21kworker/u8:1+events_unbound20:57:382
3558628992017,2cyclictest3620889-21kworker/u8:3+events_unbound20:38:512
3558628992017,2cyclictest3594272-21kworker/u8:2+events_unbound20:22:052
3558628992017,2cyclictest3579235-21kworker/u8:3+events_unbound19:37:012
3558628992017,2cyclictest3547939-21kworker/u8:1+events_unbound19:31:552
3558628992017,2cyclictest3547939-21kworker/u8:1+events_unbound19:22:542
3558628992017,2cyclictest3537956-21kworker/u8:3+events_unbound19:12:032
3558625992016,3cyclictest3860380-21kworker/u8:1+flush-259:000:15:251
3558625992016,3cyclictest3677978-21kworker/u8:3+flush-259:021:30:161
3558625992016,2cyclictest3762276-21apt-get22:35:141
3558625992015,4cyclictest252-21systemd-journal23:03:201
3558623992017,2cyclictest3547939-21kworker/u8:1+events_unbound19:30:190
3558623992016,3cyclictest3620889-21kworker/u8:3+events_unbound20:45:160
3558623992015,4cyclictest3599819-21kworker/u8:0+events_unbound20:15:170
3558633991915,3cyclictest3777489-21kworker/u8:3+flush-259:000:35:243
3558633991914,4cyclictest252-21systemd-journal23:41:213
3558628991916,2cyclictest3860380-21kworker/u8:1+events_unbound00:21:492
3558628991916,2cyclictest3798106-21kworker/u8:2+events_unbound23:36:412
3558628991916,2cyclictest3798106-21kworker/u8:2+events_unbound00:08:202
3558628991916,2cyclictest3777489-21kworker/u8:3+events_unbound22:56:542
3558628991916,2cyclictest3657379-21kworker/u8:0+events_unbound20:47:282
3558628991916,2cyclictest3647077-21kworker/u8:1+events_unbound21:04:182
3558628991916,2cyclictest3599819-21kworker/u8:0+events_unbound20:06:452
3558628991914,3cyclictest3698696-21gpgv21:25:012
3558628991912,5cyclictest3604963-21latency_hist19:55:002
3558625991917,1cyclictest3620889-21kworker/u8:3+flush-259:020:30:001
3558625991915,3cyclictest3886450-21apt-get00:35:111
3558633991815,2cyclictest3881713-21irqcore00:30:183
3558633991814,3cyclictest3667676-21kworker/u8:4+flush-259:021:05:263
3558633991814,2cyclictest3599793-21sh19:50:003
3558633991812,4cyclictest3547939-21kworker/u8:1+flush-259:019:25:163
3558633991811,5cyclictest3726241-21/usr/sbin/munin22:00:153
3558633991810,5cyclictest252-21systemd-journal21:50:013
3558628991817,1cyclictest3798106-21kworker/u8:2+events_unbound23:33:422
3558628991815,2cyclictest3746637-21kworker/u8:1+events_unbound23:16:092
3558628991815,2cyclictest3736329-21kworker/u8:2+events_unbound22:14:402
3558628991815,2cyclictest3667676-21kworker/u8:4+events_unbound21:42:062
3558628991815,2cyclictest3667676-21kworker/u8:4+events_unbound21:10:432
3558625991815,2cyclictest3813033-21kworker/u8:0+flush-259:023:30:251
3558625991815,2cyclictest3647077-21kworker/u8:1+flush-259:020:50:211
3558623991815,2cyclictest3610125-21munin-plugin-st19:59:590
3558623991814,3cyclictest3594272-21kworker/u8:2+events_unbound19:48:200
3558628991715,2cyclictest3667676-21kworker/u8:4+events_unbound22:08:102
3558628991714,2cyclictest3746637-21kworker/u8:1+events_unbound23:05:002
3558628991714,2cyclictest3594272-21kworker/u8:2+events_unbound19:47:032
3558625991713,3cyclictest3746637-21kworker/u8:1+flush-259:022:59:591
3558625991713,3cyclictest3736329-21kworker/u8:2+flush-259:022:20:001
3558625991711,4cyclictest252-21systemd-journal20:25:001
3558625991710,5cyclictest3731456-21apt-get22:05:121
3558623991713,3cyclictest3798106-21kworker/u8:2+events_unbound23:25:220
3558623991713,3cyclictest3667676-21kworker/u8:4+flush-259:021:40:210
3558623991712,4cyclictest3667676-21kworker/u8:4+flush-259:021:20:010
3558633991613,2cyclictest3742130-21irqcore22:15:173
3558633991612,3cyclictest3746637-21kworker/u8:1+flush-259:023:15:173
3558633991612,2cyclictest0-21swapper/320:34:593
3558633991611,4cyclictest3667676-21kworker/u8:4+flush-259:021:40:013
3558633991611,3cyclictest3777489-21kworker/u8:3+flush-259:000:25:003
3558625991613,2cyclictest0-21swapper/122:25:001
3558625991611,3cyclictest3673075-21/usr/sbin/munin21:00:201
3558625991610,4cyclictest509-21rs:main1
3558625991610,4cyclictest3772312-21latency_hist22:45:011
3558623991614,1cyclictest60350irq/132-enp0s29f1:rx-020:26:290
3558623991613,2cyclictest60350irq/132-enp0s29f1:rx-022:35:140
3558623991613,2cyclictest60350irq/132-enp0s29f1:rx-021:50:240
3558623991613,2cyclictest60350irq/132-enp0s29f1:rx-000:25:140
3558623991613,2cyclictest3798106-21kworker/u8:2+flush-259:023:35:240
3558623991612,3cyclictest3798106-21kworker/u8:2+flush-259:023:45:160
3558623991612,3cyclictest3647077-21kworker/u8:1+events_unbound20:50:180
3558623991610,4cyclictest3845156-21/usr/sbin/munin23:55:150
3558633991512,2cyclictest3594272-21kworker/u8:2+flush-259:020:09:553
3558633991511,3cyclictest3563682-21kworker/u8:0+flush-259:019:35:173
3558633991510,3cyclictest3844603-21journal-offline23:51:233
355862599159,4cyclictest3850068-21awk00:00:001
3558625991512,2cyclictest3614777-21ntp_kernel_err20:00:201
3558625991511,3cyclictest3594272-21kworker/u8:2+flush-259:020:20:001
355862399159,4cyclictest3677978-21kworker/u8:3+events_unbound21:45:180
3558623991512,2cyclictest61150irq/133-enp0s29f1:tx-019:25:250
3558623991512,2cyclictest60350irq/132-enp0s29f1:rx-022:40:110
3558623991512,2cyclictest60350irq/132-enp0s29f1:rx-022:40:100
355863399149,3cyclictest3777489-21kworker/u8:3+flush-259:023:00:203
355863399149,3cyclictest3604953-21sh19:54:593
355863399149,3cyclictest252-21systemd-journal21:15:493
355863399147,5cyclictest3630280-21ntpq20:15:213
3558633991411,2cyclictest3852641-21kthreadcore00:00:193
3558633991411,2cyclictest3777489-21kworker/u8:3+flush-259:000:11:073
3558633991411,2cyclictest3661553-21cut20:45:193
355862599149,4cyclictest3720465-21apt-get21:50:111
3558625991410,3cyclictest3777489-21kworker/u8:3+flush-259:000:25:261
3558623991411,2cyclictest60350irq/132-enp0s29f1:rx-021:58:440
3558623991411,2cyclictest3803906-21grep23:15:160
3558623991410,3cyclictest3667676-21kworker/u8:4+flush-259:021:22:560
355863399139,3cyclictest3668327-21irqcore20:55:173
355863399138,4cyclictest3662752-21/usr/sbin/munin20:50:143
355863399137,4cyclictest3881009-21cron00:30:003
355863399136,5cyclictest252-21systemd-journal20:00:373
3558633991310,2cyclictest3725363-21idleruntime-cro21:55:003
3558633991310,2cyclictest0-21swapper/322:50:243
355862599139,3cyclictest3698675-21apt-key21:25:011
3558625991310,2cyclictest3755949-21ntp_kernel_err22:25:211
355863399128,3cyclictest3667676-21kworker/u8:4+flush-259:022:40:243
355863399128,3cyclictest3667676-21kworker/u8:4+flush-259:022:40:243
355863399127,4cyclictest3647077-21kworker/u8:1+flush-259:021:00:253
355862599129,2cyclictest3547939-21kworker/u8:1+flush-259:019:30:251
355862599129,2cyclictest0-21swapper/123:40:001
355862599129,2cyclictest0-21swapper/122:50:001
355862599129,2cyclictest0-21swapper/122:00:101
355862599128,3cyclictest3746637-21kworker/u8:1+flush-259:023:05:301
355862599128,3cyclictest3667676-21kworker/u8:4+flush-259:022:40:151
3558623991211,1cyclictest60350irq/132-enp0s29f1:rx-021:38:000
355863399118,2cyclictest3808844-21fschecks_count23:20:143
355863399117,3cyclictest3564228-21fschecks_time19:15:143
355862599118,2cyclictest3605481-21fschecks_time19:55:151
355862599116,4cyclictest3736545-21/usr/sbin/munin22:10:141
355862599116,3cyclictest3687371-21sshd21:10:201
355862599115,4cyclictest3798319-21/usr/sbin/munin23:10:191
355862599110,2cyclictest3579197-21idleruntime-cro19:30:001
355863399108,1cyclictest3785215-21kthreadcore22:55:183
355863399107,2cyclictest3777489-21kworker/u8:3+flush-259:023:39:593
35586339994,3cyclictest3859558-21/usr/sbin/munin00:05:203
35586339991,5cyclictest3798347-21chrt23:10:113
35586259994,3cyclictest252-21systemd-journal21:40:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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