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2026-01-14 - 12:24
[ 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 all highest latencies:
System rackeslot4s.osadl.org (updated Wed Jan 14, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1340795994137,3cyclictest1325117-21kworker/u8:0+events_unbound19:10:103
1340791993831,5cyclictest1611354-21kworker/u8:1+flush-259:023:35:152
1340795993734,2cyclictest1454818-21kworker/u8:1+events_unbound22:20:163
1340795993734,2cyclictest1454818-21kworker/u8:1+events_unbound22:20:163
1340791993730,5cyclictest1480497-21latency_hist21:25:012
1340789993734,2cyclictest1611354-21kworker/u8:1+flush-259:023:54:281
1340789993730,5cyclictest1474487-21ntpq21:15:201
1340785993729,6cyclictest1526424-21ntpq22:05:210
1340789993633,2cyclictest1413237-21kworker/u8:0+flush-259:020:25:291
1340789993632,3cyclictest1397736-21latency_hist20:05:011
1340789993632,3cyclictest1361372-21kworker/u8:2+events_unbound19:40:221
1340789993632,3cyclictest1325117-21kworker/u8:0+events_unbound19:15:001
1340789993532,2cyclictest1490659-21kworker/u8:0+events_unbound21:40:131
1340789993330,2cyclictest1611354-21kworker/u8:1+flush-259:023:40:241
1340785993326,5cyclictest1490756-21latency_hist21:35:000
1340789993228,3cyclictest1325117-21kworker/u8:0+events_unbound19:25:151
1340789993227,3cyclictest1485628-21latency_hist21:30:011
1340791993124,5cyclictest1434228-21latency_hist20:40:012
1340789993028,2cyclictest1559195-21kworker/u8:2+flush-259:023:10:131
1340795992926,2cyclictest1454818-21kworker/u8:1+flush-259:022:10:013
1340795992925,3cyclictest1454818-21kworker/u8:1+flush-259:021:55:003
1340795992922,3cyclictest1559195-21kworker/u8:2+flush-259:023:15:003
1340789992924,4cyclictest3057496-21kworker/u8:1+flush-259:019:15:171
1340795992824,3cyclictest1559195-21kworker/u8:2+events_unbound00:00:203
1340791992822,4cyclictest1664100-21/usr/sbin/munin00:20:132
1340789992825,2cyclictest1611354-21kworker/u8:1+flush-259:000:15:201
1340795992724,2cyclictest1372048-21kworker/u8:3+events_unbound20:45:143
1340791992723,3cyclictest1611354-21kworker/u8:1+flush-259:023:40:152
1340789992724,2cyclictest1611354-21kworker/u8:1+events_unbound23:45:201
1340789992724,2cyclictest1470239-21kworker/u8:3+flush-259:021:30:211
1340789992722,4cyclictest1653541-21latency_hist00:10:001
1340789992721,4cyclictest1558328-21ntpq22:35:211
1340785992724,2cyclictest1361372-21kworker/u8:2+flush-259:019:40:190
1340795992623,2cyclictest1600968-21kworker/u8:3+events_unbound23:20:173
1340795992623,2cyclictest1470239-21kworker/u8:3+flush-259:021:25:223
1340789992623,2cyclictest1490659-21kworker/u8:0+flush-259:022:55:241
1340789992623,2cyclictest1454818-21kworker/u8:1+flush-259:021:35:141
1340789992623,2cyclictest1372048-21kworker/u8:3+flush-259:020:45:241
1340785992622,3cyclictest1559195-21kworker/u8:2+flush-259:023:15:130
1340785992620,4cyclictest1412707-21ntpq20:15:220
1340795992523,1cyclictest1611354-21kworker/u8:1+events_unbound23:55:133
1340795992522,2cyclictest1559195-21kworker/u8:2+events_unbound23:05:163
1340791992521,3cyclictest1600968-21kworker/u8:3+flush-259:023:35:012
1340791992520,3cyclictest1511342-21apt-get21:55:032
1340791992519,4cyclictest1382331-21latency_hist19:50:002
1340789992522,2cyclictest3057496-21kworker/u8:1+events_unbound19:35:181
1340789992522,2cyclictest1490659-21kworker/u8:0+flush-259:023:05:201
1340789992522,2cyclictest1372048-21kworker/u8:3+flush-259:020:20:171
1340789992520,4cyclictest1340706-21latency_hist19:10:011
1340789992519,4cyclictest1516941-21awk22:00:001
1340791992418,4cyclictest1684503-21latency_hist00:40:012
1340789992422,2cyclictest1611354-21kworker/u8:1+events_unbound00:30:131
1340789992421,2cyclictest1611354-21kworker/u8:1+flush-259:000:10:211
1340789992421,2cyclictest1372048-21kworker/u8:3+flush-259:021:05:241
1340789992418,5cyclictest1648021-21latency_hist00:05:001
1340785992420,3cyclictest3057496-21kworker/u8:1+events_unbound19:35:200
1340785992417,5cyclictest1500196-21ntpq21:40:200
1340785992417,5cyclictest1459024-21ntpq21:00:220
1340795992320,2cyclictest1674420-21kworker/u8:0+events_unbound00:30:253
1340795992320,2cyclictest1490659-21kworker/u8:0+events_unbound22:35:193
1340795992318,4cyclictest1325117-21kworker/u8:0+events_unbound19:30:173
1340795992317,4cyclictest252-21systemd-journal00:13:483
1340791992319,3cyclictest1490659-21kworker/u8:0+flush-259:023:00:002
1340791992319,3cyclictest1397743-21apt-get20:05:002
1340789992321,2cyclictest1429036-21kworker/u8:1+flush-259:020:35:241
1340789992320,2cyclictest1611354-21kworker/u8:1+events_unbound00:35:251
1340789992320,2cyclictest1516924-21kworker/u8:2+flush-259:022:00:141
1340789992320,2cyclictest1470239-21kworker/u8:3+flush-259:021:20:181
1340789992320,2cyclictest1465024-21kworker/u8:2+flush-259:021:10:161
1340789992319,3cyclictest3057496-21kworker/u8:1+flush-259:019:30:411
1340785992319,3cyclictest1403345-21latency_hist20:10:010
1340785992318,3cyclictest1511995-21rred21:55:010
1340785992317,4cyclictest252-21systemd-journal20:35:000
1340795992219,2cyclictest1454818-21kworker/u8:1+events_unbound21:35:133
1340795992218,3cyclictest1413237-21kworker/u8:0+flush-259:020:40:233
1340791992217,3cyclictest252-21systemd-journal23:23:472
1340789992219,2cyclictest1490659-21kworker/u8:0+events_unbound22:15:181
1340789992219,2cyclictest1454818-21kworker/u8:1+flush-259:022:05:161
1340789992215,5cyclictest1506596-21diskstats21:50:131
1340785992219,2cyclictest1611354-21kworker/u8:1+flush-259:000:10:160
1340785992218,3cyclictest1611354-21kworker/u8:1+events_unbound23:55:180
1340785992218,3cyclictest1372048-21kworker/u8:3+events_unbound19:45:200
1340795992117,3cyclictest1611354-21kworker/u8:1+flush-259:023:45:273
1340795992117,3cyclictest1454818-21kworker/u8:1+events_unbound22:03:223
1340795992116,4cyclictest1611843-21base6423:30:023
1340791992114,5cyclictest1678504-21ntpq00:30:212
1340789992118,2cyclictest1361372-21kworker/u8:2+events_unbound20:05:181
1340785992117,3cyclictest1397778-21kworker/u8:1+events_unbound20:10:180
1340785992115,4cyclictest509-21rs:main0
1340795992017,2cyclictest1548449-21kworker/u8:3+flush-259:022:35:003
1340795992016,3cyclictest1449921-21apt-get20:55:113
1340791992014,4cyclictest1465024-21kworker/u8:2+flush-259:021:45:182
1340791992014,4cyclictest1350222-21ntpq19:15:212
1340789992013,5cyclictest1532517-21apt-get22:15:011
1340789992013,5cyclictest1532517-21apt-get22:15:001
1340785992016,3cyclictest1611354-21kworker/u8:1+flush-259:023:45:160
1340785992016,3cyclictest1490659-21kworker/u8:0+flush-259:022:25:240
1340785992016,3cyclictest1351312-21apt-get19:20:100
1340785992016,3cyclictest1325117-21kworker/u8:0+events_unbound19:10:160
1340795991916,2cyclictest1579828-21kworker/u8:3+flush-259:023:00:133
1340795991916,2cyclictest1559195-21kworker/u8:2+events_unbound00:20:193
1340795991915,3cyclictest1372048-21kworker/u8:3+events_unbound21:00:223
1340795991915,3cyclictest1361372-21kworker/u8:2+flush-259:020:05:193
1340791991915,3cyclictest1361372-21kworker/u8:2+flush-259:020:30:262
1340791991915,3cyclictest1361372-21kworker/u8:2+flush-259:019:30:292
1340791991914,4cyclictest1490659-21kworker/u8:0+flush-259:022:30:002
1340791991913,4cyclictest1480730-21/usr/sbin/munin21:25:132
1340789991917,2cyclictest1465024-21kworker/u8:2+events_unbound21:47:481
1340789991917,1cyclictest1372048-21kworker/u8:3+flush-259:020:15:211
1340789991916,2cyclictest3057496-21kworker/u8:1+events_unbound19:45:061
1340789991916,2cyclictest1559195-21kworker/u8:2+flush-259:023:30:221
1340789991916,2cyclictest1559195-21kworker/u8:2+flush-259:023:15:151
1340789991916,2cyclictest1559195-21kworker/u8:2+events_unbound23:20:101
1340789991916,2cyclictest1413237-21kworker/u8:0+events_unbound20:50:011
1340789991915,3cyclictest1397778-21kworker/u8:1+events_unbound20:12:491
1340785991915,3cyclictest1559195-21kworker/u8:2+events_unbound00:00:210
1340785991915,3cyclictest1454818-21kworker/u8:1+flush-259:021:35:170
1340785991915,3cyclictest1382555-21kworker/u8:0+flush-259:019:55:210
1340785991915,3cyclictest1372048-21kworker/u8:3+events_unbound20:50:170
1340785991913,4cyclictest1522138-21latency_hist22:05:010
1340785991912,5cyclictest1673365-21ntpq00:25:210
1340795991816,2cyclictest1611354-21kworker/u8:1+events_unbound00:05:123
1340795991816,2cyclictest1559195-21kworker/u8:2+events_unbound23:19:483
1340795991815,2cyclictest3057496-21kworker/u8:1+events_unbound19:27:483
1340795991815,2cyclictest1653561-21kworker/u8:3+events_unbound00:25:243
1340795991815,2cyclictest1548449-21kworker/u8:3+flush-259:022:45:153
1340795991815,2cyclictest1490659-21kworker/u8:0+events_unbound22:42:503
1340795991815,2cyclictest1454818-21kworker/u8:1+flush-259:022:15:003
1340795991815,2cyclictest1454818-21kworker/u8:1+flush-259:022:15:003
1340795991813,4cyclictest1377424-21/usr/sbin/munin19:45:133
1340791991815,2cyclictest1556573-21kthreadcore22:35:172
1340791991814,3cyclictest1372048-21kworker/u8:3+flush-259:020:58:212
1340791991813,3cyclictest1548410-21apt-get22:30:022
1340789991816,1cyclictest1559860-21irqcore22:40:161
1340789991815,2cyclictest1611354-21kworker/u8:1+events_unbound23:35:111
1340789991815,2cyclictest1490659-21kworker/u8:0+flush-259:022:45:241
1340789991811,5cyclictest252-21systemd-journal22:30:001
1340785991815,2cyclictest3057496-21kworker/u8:1+events_unbound19:15:190
1340785991814,3cyclictest1611354-21kworker/u8:1+flush-259:023:50:160
1340785991814,3cyclictest1559195-21kworker/u8:2+flush-259:023:40:110
1340785991814,3cyclictest1490659-21kworker/u8:0+events_unbound21:50:180
1340785991814,3cyclictest1454818-21kworker/u8:1+events_unbound22:10:220
1340785991814,3cyclictest1454818-21kworker/u8:1+events_unbound22:10:210
1340785991814,3cyclictest1413237-21kworker/u8:0+events_unbound20:25:270
1340785991814,2cyclictest1325117-21kworker/u8:0+events_unbound19:25:190
1340785991813,3cyclictest1611354-21kworker/u8:1+flush-259:000:35:160
1340785991812,4cyclictest1606126-21latency_hist23:25:000
1340795991715,1cyclictest1480503-21munin-plugin-st21:25:003
1340795991714,2cyclictest1572745-21kworker/u8:1+events_unbound22:54:493
1340795991714,2cyclictest1454818-21kworker/u8:1+events_unbound22:25:233
1340795991714,2cyclictest1361372-21kworker/u8:2+flush-259:019:40:233
1340795991713,3cyclictest1559195-21kworker/u8:2+flush-259:023:25:223
1340795991713,3cyclictest1465024-21kworker/u8:2+flush-259:021:45:143
1340795991713,3cyclictest1465024-21kworker/u8:2+flush-259:021:13:243
1340795991713,3cyclictest1361372-21kworker/u8:2+events_unbound20:30:143
1340795991711,4cyclictest1392598-21latency_hist20:00:003
1340791991713,3cyclictest3057496-21kworker/u8:1+flush-259:019:35:232
1340791991713,3cyclictest1490659-21kworker/u8:0+flush-259:022:43:182
1340791991711,4cyclictest252-21systemd-journal21:44:592
1340789991715,2cyclictest3057496-21kworker/u8:1+flush-259:019:20:141
1340789991714,2cyclictest1579828-21kworker/u8:3+events_unbound23:00:081
1340789991714,2cyclictest1559195-21kworker/u8:2+flush-259:023:25:171
1340789991714,2cyclictest1490659-21kworker/u8:0+flush-259:022:50:241
1340789991713,3cyclictest1559195-21kworker/u8:2+events_unbound00:20:141
1340789991713,3cyclictest1413237-21kworker/u8:0+events_unbound20:34:501
1340789991711,4cyclictest1642883-21gzip00:00:001
1340789991710,5cyclictest1553100-21ntpq22:30:181
1340785991714,2cyclictest60350irq/132-enp0s29f1:rx-023:03:290
1340785991714,2cyclictest1611354-21kworker/u8:1+flush-259:000:05:160
1340785991714,2cyclictest1470239-21kworker/u8:3+flush-259:021:20:180
1340785991714,2cyclictest1372048-21kworker/u8:3+flush-259:020:45:210
1340785991713,3cyclictest1611354-21kworker/u8:1+flush-259:000:35:000
1340785991713,3cyclictest1490659-21kworker/u8:0+events_unbound23:05:230
1340785991713,3cyclictest1490659-21kworker/u8:0+events_unbound22:45:230
1340795991614,2cyclictest1611354-21kworker/u8:1+events_unbound00:15:253
1340795991614,2cyclictest1465024-21kworker/u8:2+events_unbound21:33:483
1340795991613,2cyclictest3057496-21kworker/u8:1+events_unbound19:35:213
1340795991613,2cyclictest1372048-21kworker/u8:3+flush-259:020:20:003
1340795991612,3cyclictest1621597-21kworker/u8:0+events_unbound23:39:573
1340795991612,3cyclictest1572745-21kworker/u8:1+flush-259:022:56:193
1340795991612,3cyclictest1559195-21kworker/u8:2+events_unbound23:50:253
1340795991612,3cyclictest1413237-21kworker/u8:0+events_unbound20:40:003
1340795991612,3cyclictest1397778-21kworker/u8:1+events_unbound20:10:283
1340795991612,3cyclictest1372048-21kworker/u8:3+flush-259:019:50:193
1340795991612,3cyclictest1-21systemd00:39:593
1340791991612,3cyclictest1454818-21kworker/u8:1+flush-259:022:25:002
1340791991612,3cyclictest1454818-21kworker/u8:1+flush-259:022:25:002
1340791991612,2cyclictest1454818-21kworker/u8:1+events_unbound22:10:172
1340791991612,2cyclictest1454818-21kworker/u8:1+events_unbound22:10:172
1340791991610,4cyclictest3057496-21kworker/u8:1+flush-259:019:30:002
1340791991610,4cyclictest1490659-21kworker/u8:0+flush-259:022:15:252
1340789991612,3cyclictest1454818-21kworker/u8:1+events_unbound22:23:511
1340789991612,3cyclictest1454818-21kworker/u8:1+events_unbound22:23:501
1340789991612,3cyclictest1382555-21kworker/u8:0+flush-259:019:55:451
1340789991612,3cyclictest1382555-21kworker/u8:0+events_unbound19:50:271
1340789991611,3cyclictest1413237-21kworker/u8:0+flush-259:020:55:161
1340785991614,1cyclictest60350irq/132-enp0s29f1:rx-023:35:180
1340785991614,1cyclictest60350irq/132-enp0s29f1:rx-022:40:150
1340785991614,1cyclictest60350irq/132-enp0s29f1:rx-021:25:130
1340785991613,2cyclictest60350irq/132-enp0s29f1:rx-021:14:080
1340785991613,2cyclictest60350irq/132-enp0s29f1:rx-020:38:460
1340785991613,2cyclictest60350irq/132-enp0s29f1:rx-000:21:340
1340785991612,3cyclictest60350irq/132-enp0s29f1:rx-020:40:180
134079599159,4cyclictest1475382-21latency_hist21:20:013
1340795991512,2cyclictest1361372-21kworker/u8:2+events_unbound20:00:203
1340795991511,3cyclictest1372048-21kworker/u8:3+flush-259:020:20:263
1340791991511,3cyclictest1511618-21latency_hist21:55:012
1340791991511,3cyclictest1460152-21/usr/sbin/munin21:05:152
1340791991510,3cyclictest1372048-21kworker/u8:3+flush-259:020:50:162
1340789991511,3cyclictest1653561-21kworker/u8:3+events_unbound00:25:221
1340789991511,2cyclictest1413237-21kworker/u8:0+events_unbound21:04:561
1340785991513,1cyclictest60350irq/132-enp0s29f1:rx-023:14:240
1340785991513,1cyclictest60350irq/132-enp0s29f1:rx-022:50:240
1340785991513,1cyclictest60350irq/132-enp0s29f1:rx-022:20:240
1340785991513,1cyclictest60350irq/132-enp0s29f1:rx-022:20:240
1340785991513,1cyclictest0-21swapper/019:55:000
1340785991512,2cyclictest60350irq/132-enp0s29f1:rx-023:26:130
1340785991512,2cyclictest60350irq/132-enp0s29f1:rx-022:55:220
1340785991512,2cyclictest60350irq/132-enp0s29f1:rx-022:35:190
1340785991512,2cyclictest60350irq/132-enp0s29f1:rx-000:15:200
1340795991411,2cyclictest1535488-21kthreadcore22:15:183
134079199149,4cyclictest1579828-21kworker/u8:3+flush-259:023:00:232
134079199148,4cyclictest1527328-21latency_hist22:10:012
1340791991411,2cyclictest1373307-21kthreadcore19:40:162
1340791991411,2cyclictest0-21swapper/200:19:592
1340785991412,1cyclictest60350irq/132-enp0s29f1:rx-023:31:010
1340785991411,2cyclictest1490659-21kworker/u8:0+flush-259:022:30:150
134079599139,3cyclictest3057496-21kworker/u8:1+flush-259:019:20:193
134079599139,3cyclictest1413237-21kworker/u8:0+flush-259:020:27:243
134079599139,3cyclictest1372048-21kworker/u8:3+events_unbound21:06:493
134079599139,3cyclictest1372048-21kworker/u8:3+events_unbound20:50:153
134079199139,3cyclictest1413237-21kworker/u8:0+flush-259:020:25:222
134079199137,4cyclictest252-21systemd-journal23:54:592
134079199137,4cyclictest1574677-21latency_hist22:55:012
134079199137,4cyclictest1522120-21cron22:05:002
1340791991311,1cyclictest1409770-21kthreadcore20:15:192
1340791991310,2cyclictest1413237-21kworker/u8:0+flush-259:020:40:202
1340791991310,1cyclictest0-21swapper/223:30:002
134078599138,4cyclictest1465024-21kworker/u8:2+flush-259:021:45:050
1340785991311,2cyclictest60350irq/132-enp0s29f1:rx-022:15:180
1340785991311,1cyclictest60350irq/132-enp0s29f1:rx-019:30:140
1340785991310,2cyclictest1372048-21kworker/u8:3+flush-259:020:55:190
134079599129,2cyclictest1506066-21kworker/u8:3+flush-259:021:55:133
134079199127,3cyclictest1398253-21base6420:05:012
134079199127,3cyclictest1345635-21sshd19:11:482
1340791991210,1cyclictest0-21swapper/221:10:182
1340791991210,1cyclictest0-21swapper/200:05:002
134079199120,3cyclictest1628240-21irqcore23:45:172
1340785991210,1cyclictest60350irq/132-enp0s29f1:rx-021:17:460
134079599118,2cyclictest3057496-21kworker/u8:1+flush-259:019:15:243
134079599114,5cyclictest481rcuc/321:40:183
134079199118,2cyclictest1470900-21sed21:15:162
134079199116,4cyclictest1653561-21kworker/u8:3+flush-259:000:30:002
134079199107,2cyclictest0-21swapper/223:10:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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