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2026-01-23 - 21:16
[ 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 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 Fri Jan 23, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385514994541,3cyclictest689918-21kworker/u8:3+flush-259:012:30:003
385514994339,3cyclictest689918-21kworker/u8:3+flush-259:012:35:003
385504994338,4cyclictest421480-21kworker/u8:1+flush-259:008:55:000
385514994239,2cyclictest493640-21kworker/u8:2+flush-259:009:30:133
385514994238,3cyclictest561928-21kworker/u8:0+events_unbound11:15:233
385514994137,3cyclictest643370-21kworker/u8:1+flush-259:011:50:203
385509994137,3cyclictest482932-21kworker/u8:0+flush-259:009:10:202
385514994036,3cyclictest421480-21kworker/u8:1+events_unbound08:45:193
385514994034,4cyclictest658839-21apt-get12:00:003
385509994034,4cyclictest508610-21ntpq09:05:222
385506994037,2cyclictest411179-21kworker/u8:3+events_unbound07:40:231
385514993935,3cyclictest685099-21kworker/u8:1+flush-259:012:40:013
385514993935,3cyclictest551179-21kworker/u8:4+events_unbound10:20:203
385506993936,2cyclictest606030-21kworker/u8:3+events_unbound11:25:241
385504993934,3cyclictest509674-21/usr/sbin/munin09:10:130
385514993835,2cyclictest421480-21kworker/u8:1+events_unbound07:55:243
38550499381,35cyclictest1-21systemd08:45:000
385514993733,3cyclictest390211-21kworker/u8:0+events_unbound07:15:213
385514993733,3cyclictest380555-21kworker/u8:2+events_unbound07:30:203
385506993734,2cyclictest653705-21kworker/u8:2+events_unbound12:05:131
385514993633,2cyclictest467445-21kworker/u8:3+flush-259:008:40:223
385506993633,2cyclictest411179-21kworker/u8:3+events_unbound07:46:411
385514993532,2cyclictest482932-21kworker/u8:0+flush-259:009:00:143
385514993531,3cyclictest612129-21kworker/u8:1+events_unbound11:20:153
385514993531,3cyclictest405762-21kworker/u8:1+flush-259:007:29:113
385514993528,5cyclictest530126-21latency_hist09:30:013
385506993531,3cyclictest482932-21kworker/u8:0+events_unbound09:31:411
385504993527,5cyclictest673852-21ntpq12:10:210
385514993430,2cyclictest411179-21kworker/u8:3+events_unbound07:45:213
385506993431,2cyclictest504314-21kworker/u8:3+events_unbound09:19:261
385506993431,2cyclictest493640-21kworker/u8:2+events_unbound09:28:401
385509993327,4cyclictest606030-21kworker/u8:3+flush-259:011:40:162
385506993330,2cyclictest669779-21kworker/u8:4+events_unbound12:12:421
385506993330,2cyclictest627844-21kworker/u8:0+events_unbound11:59:271
385506993330,2cyclictest627844-21kworker/u8:0+events_unbound11:39:381
385504993327,4cyclictest482932-21kworker/u8:0+flush-259:009:25:150
385514993229,2cyclictest567319-21kworker/u8:2+events_unbound10:05:213
385514993227,2cyclictest421480-21kworker/u8:1+events_unbound08:00:223
385509993227,4cyclictest421480-21kworker/u8:1+flush-259:008:00:002
385506993229,3cyclictest551179-21kworker/u8:4+events_unbound09:52:411
385506993229,2cyclictest627844-21kworker/u8:0+events_unbound11:44:411
385506993228,3cyclictest606030-21kworker/u8:3+events_unbound11:17:421
385506993227,4cyclictest498314-21ntpq08:55:211
385504993225,5cyclictest601010-21diskstats10:55:100
385504993225,5cyclictest461783-21ntpq08:20:220
385514993128,2cyclictest421480-21kworker/u8:1+flush-259:008:05:213
385506993128,2cyclictest685099-21kworker/u8:1+events_unbound12:32:161
385504993125,4cyclictest252-21systemd-journal08:10:000
385504993124,5cyclictest405106-21ntpq07:25:200
385509993026,3cyclictest535897-21kworker/u8:3+events_unbound09:55:192
385509993024,4cyclictest581678-21ntpq10:15:202
385509993023,5cyclictest534360-21ntpq09:30:202
385506993028,2cyclictest380555-21kworker/u8:2+events_unbound07:31:391
385506993027,2cyclictest467445-21kworker/u8:3+events_unbound08:50:271
385506993027,2cyclictest411179-21kworker/u8:3+events_unbound08:10:401
385514992925,3cyclictest561928-21kworker/u8:0+flush-259:010:55:103
385514992925,3cyclictest535897-21kworker/u8:3+events_unbound09:55:143
385514992925,3cyclictest493640-21kworker/u8:2+flush-259:009:35:223
385514992925,3cyclictest421480-21kworker/u8:1+flush-259:008:50:193
385514992925,3cyclictest390211-21kworker/u8:0+events_unbound07:40:163
385514992923,4cyclictest509-21rs:main3
385509992927,1cyclictest606847-21fwupd11:07:112
385506992927,2cyclictest587668-21kworker/u8:2+events_unbound10:53:401
385506992927,2cyclictest567319-21kworker/u8:2+events_unbound10:09:151
385506992926,2cyclictest587668-21kworker/u8:2+events_unbound10:28:401
385504992923,4cyclictest390211-21kworker/u8:0+flush-259:007:15:140
385514992825,2cyclictest535897-21kworker/u8:3+events_unbound09:50:203
385514992824,3cyclictest519730-21kworker/u8:1+flush-259:009:45:223
385514992823,3cyclictest587668-21kworker/u8:2+events_unbound10:40:163
385514992822,2cyclictest627844-21kworker/u8:0+events_unbound11:55:173
385509992822,4cyclictest421480-21kworker/u8:1+flush-259:008:15:252
385506992826,2cyclictest493640-21kworker/u8:2+events_unbound09:39:111
385506992826,2cyclictest447198-21kworker/u8:2+events_unbound08:20:441
385506992825,2cyclictest627844-21kworker/u8:0+events_unbound11:54:271
385506992825,2cyclictest606030-21kworker/u8:3+events_unbound11:12:421
385506992825,2cyclictest467445-21kworker/u8:3+events_unbound08:34:421
385506992825,2cyclictest421480-21kworker/u8:1+events_unbound08:37:071
385504992825,2cyclictest416602-21apt-get07:40:100
385514992724,2cyclictest519730-21kworker/u8:1+flush-259:009:20:213
385514992723,3cyclictest627844-21kworker/u8:0+events_unbound11:45:183
385509992722,3cyclictest252-21systemd-journal11:39:242
385509992721,4cyclictest431726-21latency_hist07:55:002
385506992725,2cyclictest482932-21kworker/u8:0+events_unbound09:05:161
385506992724,2cyclictest653705-21kworker/u8:2+events_unbound12:21:401
385506992724,2cyclictest627844-21kworker/u8:0+events_unbound12:19:321
385506992724,2cyclictest627844-21kworker/u8:0+events_unbound12:19:311
385506992724,2cyclictest627844-21kworker/u8:0+events_unbound12:00:401
385506992724,2cyclictest493640-21kworker/u8:2+events_unbound09:14:251
385506992722,3cyclictest582771-21/usr/sbin/munin10:20:141
385506992721,4cyclictest252-21systemd-journal09:01:401
385504992723,3cyclictest535930-21apt-get09:35:110
385504992723,3cyclictest482932-21kworker/u8:0+flush-259:009:10:000
385514992623,2cyclictest482932-21kworker/u8:0+events_unbound09:40:233
385514992622,3cyclictest669779-21kworker/u8:4+events_unbound12:20:223
385514992622,3cyclictest606030-21kworker/u8:3+events_unbound11:40:243
385514992621,2cyclictest482932-21kworker/u8:0+flush-259:009:10:233
385509992621,4cyclictest421480-21kworker/u8:1+flush-259:008:04:592
385509992621,3cyclictest467445-21kworker/u8:3+flush-259:008:30:172
385506992623,2cyclictest606030-21kworker/u8:3+events_unbound11:33:131
385506992623,2cyclictest447198-21kworker/u8:2+events_unbound08:27:161
385506992623,2cyclictest411179-21kworker/u8:3+events_unbound08:15:071
385506992623,2cyclictest390211-21kworker/u8:0+events_unbound07:15:401
385514992522,2cyclictest627844-21kworker/u8:0+flush-259:012:10:163
385514992522,2cyclictest395763-21kworker/u8:3+flush-259:007:20:153
385509992519,4cyclictest606030-21kworker/u8:3+flush-259:011:15:002
385509992519,4cyclictest457223-21kworker/u8:0+flush-259:008:25:182
385506992523,2cyclictest685099-21kworker/u8:1+events_unbound12:37:111
385506992522,3cyclictest551179-21kworker/u8:4+events_unbound10:14:401
385506992522,2cyclictest551179-21kworker/u8:4+events_unbound10:19:561
385504992518,4cyclictest637291-21ntpq11:35:210
385514992421,2cyclictest606030-21kworker/u8:3+events_unbound11:08:413
385514992421,2cyclictest467445-21kworker/u8:3+events_unbound08:30:243
385514992420,3cyclictest421480-21kworker/u8:1+flush-259:008:10:163
385509992419,3cyclictest659075-21gpgv12:00:012
385506992421,2cyclictest606030-21kworker/u8:3+events_unbound11:08:371
385506992421,2cyclictest482932-21kworker/u8:0+events_unbound09:44:131
385506992421,2cyclictest421480-21kworker/u8:1+events_unbound08:00:261
385506992419,3cyclictest643594-21apt-get11:45:101
385506992418,4cyclictest252-21systemd-journal07:35:401
385504992419,4cyclictest546462-21diskstats09:45:130
385504992418,4cyclictest607113-21latency_hist11:10:010
385504992418,4cyclictest493640-21kworker/u8:2+flush-259:008:58:110
385514992320,2cyclictest473403-21kworker/u8:2+flush-259:008:35:243
385514992320,2cyclictest421480-21kworker/u8:1+events_unbound07:50:413
385514992319,3cyclictest519730-21kworker/u8:1+flush-259:010:00:163
385514992319,3cyclictest504314-21kworker/u8:3+events_unbound09:17:413
385514992319,3cyclictest375222-21kworker/u8:3+events_unbound07:10:223
38550999238,9cyclictest504275-21idleruntime-cro09:05:002
385509992319,3cyclictest421480-21kworker/u8:1+flush-259:008:50:002
385509992318,3cyclictest493640-21kworker/u8:2+flush-259:009:35:022
385509992318,3cyclictest252-21systemd-journal09:24:092
385509992316,5cyclictest668693-21ntpq12:05:202
385506992321,2cyclictest519730-21kworker/u8:1+events_unbound09:47:411
385506992320,2cyclictest551179-21kworker/u8:4+events_unbound10:02:181
385506992317,4cyclictest509-21rs:main1
385504992318,4cyclictest658839-21apt-get11:59:590
385514992219,2cyclictest680067-21gpgv12:20:003
385514992219,2cyclictest680067-21gpgv12:20:003
385514992215,5cyclictest509436-21latency_hist09:10:013
385509992219,2cyclictest406021-21latency_hist07:30:012
385509992218,3cyclictest587668-21kworker/u8:2+flush-259:010:40:202
385509992217,3cyclictest252-21systemd-journal11:45:402
385509992216,5cyclictest442263-21/usr/sbin/munin08:05:152
385509992216,4cyclictest482932-21kworker/u8:0+flush-259:009:40:242
385506992220,2cyclictest535897-21kworker/u8:3+events_unbound09:56:411
385506992220,2cyclictest421480-21kworker/u8:1+events_unbound07:54:311
385506992220,1cyclictest390211-21kworker/u8:0+events_unbound07:22:181
385506992219,2cyclictest561928-21kworker/u8:0+events_unbound11:02:491
385506992218,3cyclictest653705-21kworker/u8:2+flush-259:012:25:011
385506992218,2cyclictest600172-21kworker/u8:4+events_unbound10:57:201
385506992218,2cyclictest561928-21kworker/u8:0+events_unbound10:39:581
385506992216,4cyclictest483530-21/usr/sbin/munin08:45:131
385504992217,4cyclictest473206-21/usr/sbin/munin08:35:130
385504992217,3cyclictest385695-21/usr/sbin/munin07:10:150
385504992216,4cyclictest252-21systemd-journal09:33:390
385509992116,4cyclictest592840-21latency_hist10:30:002
385506992118,2cyclictest493640-21kworker/u8:2+events_unbound09:23:231
385506992118,2cyclictest411179-21kworker/u8:3+events_unbound07:56:421
385506992118,2cyclictest380555-21kworker/u8:2+events_unbound07:29:251
385514992017,2cyclictest421480-21kworker/u8:1+flush-259:008:15:203
385506992017,3cyclictest622535-21kworker/u8:2+events_unbound11:24:191
385506992016,3cyclictest467445-21kworker/u8:3+events_unbound08:44:211
385504992016,3cyclictest380555-21kworker/u8:2+flush-259:007:30:150
385504992014,4cyclictest252-21systemd-journal10:54:400
385514991916,2cyclictest606030-21kworker/u8:3+flush-259:011:34:383
385514991916,2cyclictest0-21swapper/310:50:003
385514991915,3cyclictest587668-21kworker/u8:2+events_unbound10:30:073
385514991913,4cyclictest252-21systemd-journal08:26:403
385506991916,2cyclictest599545-21kworker/u8:1+events_unbound10:48:161
385506991916,2cyclictest587668-21kworker/u8:2+events_unbound10:41:471
385506991916,2cyclictest421480-21kworker/u8:1+events_unbound08:09:301
385504991916,2cyclictest421480-21kworker/u8:1+flush-259:008:00:160
385504991915,3cyclictest482932-21kworker/u8:0+flush-259:009:00:150
385504991912,5cyclictest695601-21ntpq12:35:150
385514991815,2cyclictest622535-21kworker/u8:2+events_unbound11:29:233
385514991814,3cyclictest587668-21kworker/u8:2+events_unbound10:37:413
385514991813,2cyclictest561928-21kworker/u8:0+events_unbound11:10:183
385509991813,4cyclictest561928-21kworker/u8:0+flush-259:010:00:202
385506991816,2cyclictest1521174-21kworker/u8:1+events_unbound07:11:451
385504991815,2cyclictest452363-21sh08:14:590
385504991814,3cyclictest252-21systemd-journal09:20:000
385514991714,2cyclictest587668-21kworker/u8:2+events_unbound10:27:423
38550999171,9cyclictest605804-21munin-run11:00:002
385509991715,1cyclictest0-21swapper/212:20:002
385509991715,1cyclictest0-21swapper/212:20:002
385509991714,2cyclictest0-21swapper/212:04:592
385509991712,3cyclictest380555-21kworker/u8:2+flush-259:007:40:002
385504991714,2cyclictest606030-21kworker/u8:3+flush-259:011:25:260
385504991713,3cyclictest535897-21kworker/u8:3+flush-259:009:50:160
385514991613,2cyclictest493640-21kworker/u8:2+events_unbound08:55:173
385514991612,3cyclictest606030-21kworker/u8:3+events_unbound11:35:163
38550999169,5cyclictest674746-21latency_hist12:15:012
38550999169,5cyclictest462650-21latency_hist08:25:012
385509991613,2cyclictest535897-21kworker/u8:3+flush-259:009:50:222
385509991611,3cyclictest390211-21kworker/u8:0+flush-259:007:15:162
385504991614,1cyclictest60350irq/132-enp0s29f1:rx-012:15:230
385504991614,1cyclictest60350irq/132-enp0s29f1:rx-012:15:230
385504991614,1cyclictest60350irq/132-enp0s29f1:rx-007:20:220
385504991613,2cyclictest61150irq/133-enp0s29f1:tx-010:10:230
385504991613,2cyclictest60350irq/132-enp0s29f1:rx-012:25:220
385504991613,2cyclictest60350irq/132-enp0s29f1:rx-011:10:180
385504991613,2cyclictest60350irq/132-enp0s29f1:rx-010:15:140
385504991613,2cyclictest60350irq/132-enp0s29f1:rx-010:08:380
385504991613,2cyclictest60350irq/132-enp0s29f1:rx-010:00:180
385504991613,2cyclictest60350irq/132-enp0s29f1:rx-008:17:460
385504991612,3cyclictest606030-21kworker/u8:3+flush-259:011:40:120
385504991610,5cyclictest659434-21base6412:00:000
38551499159,2cyclictest447198-21kworker/u8:2+flush-259:008:20:403
38550999159,4cyclictest420494-21uname07:40:192
385509991512,2cyclictest390558-21cron07:15:012
385509991511,3cyclictest643370-21kworker/u8:1+flush-259:011:50:152
385509991510,3cyclictest252-21systemd-journal08:55:022
385504991514,1cyclictest60350irq/132-enp0s29f1:rx-012:22:580
385504991513,1cyclictest60350irq/132-enp0s29f1:rx-009:40:250
385504991513,1cyclictest60350irq/132-enp0s29f1:rx-007:58:260
385504991512,2cyclictest61150irq/133-enp0s29f1:tx-009:55:120
385504991512,2cyclictest60350irq/132-enp0s29f1:rx-012:07:280
385504991512,2cyclictest60350irq/132-enp0s29f1:rx-011:15:210
385504991512,2cyclictest60350irq/132-enp0s29f1:rx-010:26:530
385504991512,2cyclictest60350irq/132-enp0s29f1:rx-007:46:410
385504991511,3cyclictest519730-21kworker/u8:1+flush-259:009:24:100
385504991511,3cyclictest467445-21kworker/u8:3+flush-259:008:30:160
385514991410,3cyclictest551179-21kworker/u8:4+events_unbound10:13:473
38550999149,3cyclictest689918-21kworker/u8:3+flush-259:012:35:192
385509991410,3cyclictest395763-21kworker/u8:3+flush-259:007:20:212
385509991410,2cyclictest0-21swapper/208:55:002
38550999140,6cyclictest551165-21awk09:50:012
38550999140,5cyclictest572259-21munin-run10:10:002
385504991412,1cyclictest60350irq/132-enp0s29f1:rx-011:34:510
385504991412,1cyclictest60350irq/132-enp0s29f1:rx-010:20:240
385504991412,1cyclictest60350irq/132-enp0s29f1:rx-008:49:280
385504991411,2cyclictest60350irq/132-enp0s29f1:rx-010:43:010
38551499139,3cyclictest380555-21kworker/u8:2+events_unbound07:37:263
385514991310,2cyclictest561928-21kworker/u8:0+flush-259:010:50:313
385514991310,2cyclictest561928-21kworker/u8:0+events_unbound11:03:373
38550999139,3cyclictest606030-21kworker/u8:3+flush-259:011:30:312
38550999134,6cyclictest613348-21cut11:15:162
38550999131,4cyclictest478115-21munin-run08:40:002
38550499139,3cyclictest380555-21kworker/u8:2+flush-259:007:50:160
385504991312,1cyclictest60350irq/132-enp0s29f1:rx-011:47:040
385504991311,1cyclictest60350irq/132-enp0s29f1:rx-011:51:030
385504991311,1cyclictest60350irq/132-enp0s29f1:rx-010:47:190
385504991311,1cyclictest60350irq/132-enp0s29f1:rx-010:37:550
385504991310,2cyclictest60350irq/132-enp0s29f1:rx-012:30:340
385504991310,2cyclictest60350irq/132-enp0s29f1:rx-011:20:190
38551499129,2cyclictest577393-21kworker/u8:1+flush-259:010:15:423
38550999127,3cyclictest685099-21kworker/u8:1+flush-259:012:26:252
38550999126,4cyclictest606030-21kworker/u8:3+flush-259:011:25:212
385509991210,1cyclictest0-21swapper/207:35:002
385504991211,1cyclictest60350irq/132-enp0s29f1:rx-007:38:460
385504991210,1cyclictest60350irq/132-enp0s29f1:rx-010:31:130
38550999117,3cyclictest622535-21kworker/u8:2+flush-259:011:25:002
38550999117,3cyclictest587668-21kworker/u8:2+flush-259:011:00:022
38550999117,3cyclictest504314-21kworker/u8:3+flush-259:009:17:112
38550499119,1cyclictest60350irq/132-enp0s29f1:rx-011:01:590
38550999108,1cyclictest0-21swapper/212:20:122
38550999107,2cyclictest582863-21cpuspeed_turbos10:20:132
38550999104,4cyclictest572492-21/usr/sbin/munin10:10:162
38550999101,2cyclictest426582-21latency_hist07:49:592
38550999100,7cyclictest252-21systemd-journal08:44:592
3855099991,6cyclictest593497-21sleep10:35:012
3855099991,5cyclictest691262-21cron12:35:012
3855099982,4cyclictest827-21lldpd10:45:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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