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2026-02-09 - 15:20
[ 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 all highest latencies:
System rackeslot4s.osadl.org (updated Mon Feb 09, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
383886995956,2cyclictest75-21kswapd008:43:222
383883995450,3cyclictest75-21kswapd008:43:231
383891994542,2cyclictest75-21kswapd008:43:233
383881994541,3cyclictest525104-21kworker/u8:0+events_unbound10:43:370
383881994339,3cyclictest525104-21kworker/u8:0+events_unbound09:40:250
383881994137,3cyclictest515185-21kworker/u8:1+events_unbound09:25:160
383881994036,3cyclictest654462-21kworker/u8:3+events_unbound11:45:140
383881993834,3cyclictest561181-21kworker/u8:3+events_unbound10:15:240
383881993733,3cyclictest399721-21kworker/u8:1+events_unbound08:00:140
383881993632,3cyclictest446713-21kworker/u8:2+events_unbound09:20:250
383883993429,3cyclictest394160-21apt-get07:20:001
383881993430,3cyclictest446713-21kworker/u8:2+events_unbound08:30:220
383883993329,3cyclictest415427-21apt-get07:40:111
383886993227,3cyclictest597929-21/usr/sbin/munin10:40:152
383881993228,3cyclictest654462-21kworker/u8:3+events_unbound11:55:230
383883993127,3cyclictest488464-21/usr/sbin/munin08:50:231
383881993128,2cyclictest633079-21kworker/u8:0+events_unbound11:25:290
383881993127,3cyclictest608049-21kworker/u8:3+events_unbound10:50:210
383881993127,3cyclictest378703-21kworker/u8:0+events_unbound07:25:250
383891993026,3cyclictest446713-21kworker/u8:2+flush-259:008:30:003
383883993027,2cyclictest623743-21kworker/u8:3+flush-259:011:10:011
383881993027,2cyclictest581800-21kworker/u8:2+events_unbound10:30:210
383881993026,3cyclictest399721-21kworker/u8:1+events_unbound07:50:130
383881992926,3cyclictest378703-21kworker/u8:0+events_unbound07:30:260
383881992925,3cyclictest410020-21kworker/u8:3+events_unbound07:35:270
383891992823,3cyclictest415159-21latency_hist07:40:003
383881992825,2cyclictest472495-21kworker/u8:4+events_unbound08:44:300
383881992824,3cyclictest525104-21kworker/u8:0+events_unbound09:50:280
383891992723,3cyclictest695891-21apt-get12:15:133
383891992722,4cyclictest394160-21apt-get07:19:593
383886992723,3cyclictest436427-21apt-get08:00:112
383886992719,5cyclictest436156-21latency_hist08:00:012
383883992723,3cyclictest639220-21apt-get11:20:111
383881992720,4cyclictest654435-21latency_hist11:35:010
383891992623,2cyclictest399721-21kworker/u8:1+flush-259:007:50:103
383881992623,2cyclictest581800-21kworker/u8:2+events_unbound11:35:230
383881992622,3cyclictest669886-21kworker/u8:2+events_unbound12:04:040
383886992520,3cyclictest467372-21apt-get08:30:112
383881992522,2cyclictest525104-21kworker/u8:0+events_unbound10:35:030
383881992522,2cyclictest525104-21kworker/u8:0+events_unbound09:30:250
383881992521,3cyclictest669886-21kworker/u8:2+events_unbound12:30:280
383881992521,3cyclictest441330-21kworker/u8:0+events_unbound08:19:570
383886992418,4cyclictest425595-21gpgv07:50:012
383883992421,2cyclictest378703-21kworker/u8:0+flush-259:007:25:141
383883992419,3cyclictest540812-21apt-get09:45:121
383881992421,2cyclictest525104-21kworker/u8:0+events_unbound09:45:260
383881992419,4cyclictest420562-21/usr/sbin/munin07:45:130
383891992319,3cyclictest664653-21kworker/u8:1+events_unbound11:55:013
383891992319,3cyclictest446713-21kworker/u8:2+flush-259:008:20:003
383891992317,4cyclictest592706-21cat10:35:013
383881992320,2cyclictest669886-21kworker/u8:2+events_unbound11:50:450
383881992320,2cyclictest446713-21kworker/u8:2+events_unbound08:14:550
383881992319,3cyclictest680449-21kworker/u8:5+events_unbound12:15:260
383881992319,3cyclictest446713-21kworker/u8:2+events_unbound08:49:070
383886992217,4cyclictest472495-21kworker/u8:4+flush-259:008:35:202
383881992220,2cyclictest367858-21kworker/u8:2+events_unbound07:14:220
383881992218,3cyclictest545739-21kworker/u8:1+events_unbound09:55:250
383881992218,3cyclictest477450-21gpgv08:40:000
383881992216,4cyclictest252-21systemd-journal08:56:270
383891992118,2cyclictest664653-21kworker/u8:1+flush-259:011:50:013
383891992117,3cyclictest669886-21kworker/u8:2+flush-259:012:30:153
383891992117,3cyclictest561181-21kworker/u8:3+flush-259:010:10:253
383891992117,3cyclictest446713-21kworker/u8:2+flush-259:008:30:113
383886992117,3cyclictest571484-21kworker/u8:1+flush-259:011:25:182
383886992115,4cyclictest659840-21/usr/sbin/munin11:40:152
383886992115,4cyclictest405101-21/usr/sbin/munin07:30:202
383886992114,5cyclictest525092-21awk09:30:012
383883992118,3cyclictest545739-21kworker/u8:1+events_unbound10:00:141
383883992117,3cyclictest654705-21apt-get11:35:101
383881992118,2cyclictest716255-21kworker/u8:1+events_unbound12:36:040
383881992118,2cyclictest525104-21kworker/u8:0+events_unbound10:06:050
383881992118,2cyclictest378703-21kworker/u8:0+events_unbound07:19:050
383891992017,2cyclictest716255-21kworker/u8:1+events_unbound12:40:003
383891992016,3cyclictest561181-21kworker/u8:3+flush-259:010:19:593
383891992016,3cyclictest515185-21kworker/u8:1+flush-259:009:25:173
38388699203,9cyclictest514760-21munin-run09:20:012
383881992017,3cyclictest571484-21kworker/u8:1+events_unbound11:18:050
383881992013,5cyclictest466254-21ntpq08:25:230
38388199200,19cyclictest1-21systemd09:38:050
383891991915,3cyclictest608049-21kworker/u8:3+flush-259:010:50:263
383891991915,3cyclictest581800-21kworker/u8:2+flush-259:011:35:013
383891991913,4cyclictest581800-21kworker/u8:2+flush-259:011:40:173
383883991916,2cyclictest664653-21kworker/u8:1+flush-259:011:45:011
383883991916,2cyclictest525104-21kworker/u8:0+events_unbound10:35:151
383883991916,2cyclictest482903-21kworker/u8:0+events_unbound08:45:151
383883991916,2cyclictest446713-21kworker/u8:2+events_unbound08:30:161
383883991915,3cyclictest515185-21kworker/u8:1+events_unbound09:20:161
383883991913,4cyclictest252-21systemd-journal07:35:001
383881991917,2cyclictest446713-21kworker/u8:2+events_unbound09:00:090
383881991916,2cyclictest525104-21kworker/u8:0+events_unbound10:03:060
383881991915,3cyclictest441330-21kworker/u8:0+events_unbound08:08:050
383881991915,3cyclictest441330-21kworker/u8:0+events_unbound08:08:040
383881991912,6cyclictest623502-21idleruntime-cro11:05:000
383891991815,2cyclictest680449-21kworker/u8:5+flush-259:012:20:153
383891991815,2cyclictest446713-21kworker/u8:2+flush-259:010:10:003
383891991814,3cyclictest446713-21kworker/u8:2+events_unbound10:05:003
38388699184,6cyclictest550861-21awk09:55:002
383886991814,2cyclictest0-21swapper/210:00:002
383883991815,2cyclictest545739-21kworker/u8:1+events_unbound10:00:001
383883991815,2cyclictest500-21systemd-logind10:35:011
383883991814,3cyclictest649544-21apt-get11:30:121
383883991814,3cyclictest633079-21kworker/u8:0+events_unbound11:15:141
38388199188,1cyclictest191rcu_preempt08:25:000
383881991815,2cyclictest680449-21kworker/u8:5+events_unbound12:10:260
383881991815,2cyclictest561181-21kworker/u8:3+events_unbound10:11:040
383881991814,3cyclictest525104-21kworker/u8:0+events_unbound10:28:200
383881991814,3cyclictest378703-21kworker/u8:0+events_unbound07:44:060
383891991713,3cyclictest581800-21kworker/u8:2+flush-259:011:00:163
383891991712,3cyclictest252-21systemd-journal12:00:003
383886991713,3cyclictest378703-21kworker/u8:0+flush-259:007:20:252
383886991711,4cyclictest633079-21kworker/u8:0+flush-259:011:20:242
383886991710,5cyclictest252-21systemd-journal07:45:002
383883991714,2cyclictest712373-21kthreadcore12:30:171
383883991714,2cyclictest570570-21ntp_kernel_pll_10:10:201
383883991714,2cyclictest525104-21kworker/u8:0+flush-259:009:40:181
383883991714,2cyclictest503808-21kworker/u8:0+events_unbound09:15:131
383883991714,2cyclictest430852-21kworker/u8:3+events_unbound08:05:221
383883991714,2cyclictest430852-21kworker/u8:3+events_unbound08:05:221
383883991713,3cyclictest530479-21/usr/sbin/munin09:35:151
383883991713,3cyclictest378703-21kworker/u8:0+flush-259:007:10:151
383881991714,3cyclictest581800-21kworker/u8:2+events_unbound11:41:040
383881991714,2cyclictest633079-21kworker/u8:0+events_unbound11:20:020
383881991714,2cyclictest60350irq/132-enp0s29f1:rx-010:45:350
383881991714,2cyclictest446713-21kworker/u8:2+events_unbound09:10:230
383881991713,3cyclictest669886-21kworker/u8:2+events_unbound12:27:040
383881991713,3cyclictest669886-21kworker/u8:2+events_unbound12:20:490
383881991713,3cyclictest482903-21kworker/u8:0+events_unbound08:51:410
38389199169,5cyclictest425470-21apt-get07:50:003
383891991614,1cyclictest0-21swapper/308:50:013
383891991614,1cyclictest0-21swapper/308:00:003
383891991612,3cyclictest378703-21kworker/u8:0+flush-259:007:20:163
383891991612,3cyclictest378703-21kworker/u8:0+events_unbound07:10:213
383891991611,4cyclictest659604-21latency_hist11:40:013
38388699169,4cyclictest446713-21kworker/u8:2+flush-259:009:10:122
38388699164,10cyclictest378703-21kworker/u8:0+flush-259:007:29:592
383886991610,4cyclictest383808-21latency_hist07:10:012
38388699160,2cyclictest461949-21munin-run08:25:012
383883991614,1cyclictest0-21swapper/112:15:001
383883991613,2cyclictest446713-21kworker/u8:2+flush-259:008:10:151
383883991613,2cyclictest399721-21kworker/u8:1+events_unbound08:15:251
383883991612,3cyclictest498261-21apt-get08:56:271
38388199169,6cyclictest435236-21ntpq07:55:200
383881991613,3cyclictest571484-21kworker/u8:1+events_unbound10:56:070
383881991613,2cyclictest633079-21kworker/u8:0+flush-259:011:12:200
383881991613,2cyclictest525104-21kworker/u8:0+events_unbound10:23:010
383881991612,3cyclictest623743-21kworker/u8:3+flush-259:011:05:050
383891991512,2cyclictest515185-21kworker/u8:1+flush-259:009:20:263
383891991511,3cyclictest472495-21kworker/u8:4+flush-259:008:35:243
38388699159,4cyclictest638950-21latency_hist11:20:012
38388699159,4cyclictest613213-21latency_hist10:55:012
38388699158,5cyclictest252-21systemd-journal11:40:012
383886991512,2cyclictest628668-21sh11:10:002
383883991513,1cyclictest721849-21latency_hist12:40:001
383883991512,2cyclictest525104-21kworker/u8:0+flush-259:010:43:251
383883991511,3cyclictest654462-21kworker/u8:3+flush-259:011:45:151
383883991511,3cyclictest525104-21kworker/u8:0+flush-259:009:50:151
383883991511,3cyclictest378703-21kworker/u8:0+flush-259:007:45:001
38388399150,2cyclictest613218-21apt10:55:001
383881991513,1cyclictest60350irq/132-enp0s29f1:rx-012:05:200
383881991512,2cyclictest60350irq/132-enp0s29f1:rx-009:18:180
38389199147,5cyclictest252-21systemd-journal09:45:003
383891991411,2cyclictest858-21sshd11:05:283
383891991411,2cyclictest588217-21kthreadcore10:30:173
383891991411,2cyclictest546030-21cpuspeed_turbos09:50:123
383891991411,2cyclictest498930-21cpuspeed_turbos09:00:133
383891991410,3cyclictest509-21rs:main3
383891991410,3cyclictest446713-21kworker/u8:2+flush-259:008:50:263
38388699149,3cyclictest545739-21kworker/u8:1+flush-259:010:00:142
38388699148,4cyclictest525353-21apt-get09:30:132
38388699148,1cyclictest415167-21munin-plugin-st07:39:592
38388699141,11cyclictest1-21systemd12:38:042
383886991410,3cyclictest378703-21kworker/u8:0+flush-259:007:10:152
38388399148,4cyclictest586044-21ntpq10:25:211
383883991412,1cyclictest477432-21idleruntime-cro08:40:001
383883991411,2cyclictest672415-21kthreadcore11:50:191
383883991410,3cyclictest669886-21kworker/u8:2+flush-259:012:10:001
383883991410,3cyclictest581800-21kworker/u8:2+flush-259:010:45:251
383883991410,3cyclictest561181-21kworker/u8:3+events_unbound10:15:171
383881991411,2cyclictest60350irq/132-enp0s29f1:rx-009:05:130
383881991410,3cyclictest367858-21kworker/u8:2+events_unbound07:23:550
383891991311,1cyclictest0-21swapper/307:45:003
383891991310,2cyclictest695160-21unixbench_multi12:10:253
383891991310,2cyclictest633079-21kworker/u8:0+flush-259:011:20:163
38388699139,3cyclictest446713-21kworker/u8:2+flush-259:009:35:252
38388699130,3cyclictest597697-21awk10:40:002
38388399139,3cyclictest430852-21kworker/u8:3+flush-259:007:55:131
383883991311,2cyclictest669886-21kworker/u8:2+events_unbound11:55:151
383883991310,2cyclictest698187-21kthreadcore12:15:191
383883991310,2cyclictest462469-21fschecks_time08:25:151
383883991310,2cyclictest399721-21kworker/u8:1+events_unbound08:20:211
38389199129,2cyclictest530917-21irqcore09:35:153
38389199129,2cyclictest430852-21kworker/u8:3+events_unbound08:05:163
38389199129,2cyclictest430852-21kworker/u8:3+events_unbound08:05:153
38389199128,3cyclictest252-21systemd-journal08:24:563
38389199126,4cyclictest252-21systemd-journal09:15:003
38389199120,2cyclictest5290802cut09:30:193
38388699129,2cyclictest691154-21irqcore12:10:172
38388699129,2cyclictest499884-21kthreadcore09:00:172
38388699129,2cyclictest393152-21needreboot07:15:212
38388699129,1cyclictest0-21swapper/210:30:242
38388699128,3cyclictest446479-21sh08:10:002
38388699128,3cyclictest446479-21sh08:09:592
38388699127,3cyclictest252-21systemd-journal09:20:232
38388699126,4cyclictest482903-21kworker/u8:0+flush-259:008:45:162
38388699126,4cyclictest252-21systemd-journal11:02:042
38388699126,4cyclictest252-21systemd-journal10:15:002
383886991210,1cyclictest0-21swapper/212:20:152
38388399129,2cyclictest704893-21needreboot12:20:201
38388399129,2cyclictest525419-21cpuspeed_turbos09:30:131
38388399128,3cyclictest623743-21kworker/u8:3+flush-259:011:10:171
38388399126,4cyclictest708973-21kthreadcore12:25:171
38389199119,1cyclictest503808-21kworker/u8:0+events_unbound09:15:153
38389199118,2cyclictest644471-21cpuspeed_turbos11:25:133
38389199118,2cyclictest604168-21kthreadcore10:45:163
38389199118,2cyclictest493750-21cpuspeed_turbos08:55:113
38389199117,3cyclictest586042-21ntp_kernel_pll_10:25:223
38389199117,3cyclictest571484-21kworker/u8:1+events_unbound10:40:173
38389199116,3cyclictest404818-21sshd07:29:473
38389199112,2cyclictest638968-21awk11:20:003
38388699119,1cyclictest0-21swapper/212:20:002
38388699118,2cyclictest493750-21cpuspeed_turbos08:55:112
38388699118,2cyclictest488554-21cpuspeed_turbos08:50:132
38388699117,2cyclictest0-21swapper/211:30:252
38388699111,8cyclictest711086-21latency_hist12:30:002
38388399118,2cyclictest644471-21cpuspeed_turbos11:25:141
38388399117,3cyclictest378703-21kworker/u8:0+flush-259:007:15:061
38388399111,2cyclictest441298-21awk08:04:591
38389199107,2cyclictest680563-21cpuspeed_turbos12:00:133
38389199107,1cyclictest0-21swapper/311:10:263
38388699107,1cyclictest0-21swapper/211:45:432
38388699104,4cyclictest513-21gdbus09:10:002
38388399108,1cyclictest0-21swapper/111:00:131
38388399105,4cyclictest446713-21kworker/u8:2+flush-259:009:05:251
3838919995,2cyclictest504113-21seq09:06:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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