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2026-01-31 - 22:56
[ 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 792 highest latencies:
System rackeslot4s.osadl.org (updated Sat Jan 31, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
872803995855,2cyclictest1085441-21kworker/u8:0+flush-259:010:55:201
872798995653,2cyclictest1085441-21kworker/u8:0+events_unbound11:15:250
872798995248,3cyclictest1154432-21kworker/u8:0+events_unbound11:50:140
872810995146,3cyclictest1195565-21kworker/u8:1+events_unbound12:35:192
872803995148,2cyclictest1044138-21kworker/u8:0+flush-259:010:04:591
872798995148,2cyclictest1069940-21kworker/u8:2+events_unbound12:30:210
872810995045,3cyclictest1195565-21kworker/u8:1+flush-259:012:20:202
872798995047,2cyclictest1044138-21kworker/u8:0+events_unbound09:55:220
872798994945,3cyclictest1069940-21kworker/u8:2+flush-259:011:40:160
872803994845,2cyclictest1069940-21kworker/u8:2+events_unbound11:40:241
872798994845,2cyclictest1190055-21kworker/u8:3+events_unbound12:25:240
872798994844,3cyclictest1085441-21kworker/u8:0+events_unbound10:55:220
872810994643,2cyclictest1054029-21kworker/u8:1+events_unbound10:20:202
872798994643,2cyclictest893691-21kworker/u8:3+events_unbound08:15:250
872798994643,2cyclictest1003012-21kworker/u8:3+events_unbound09:30:240
872810994542,2cyclictest1069940-21kworker/u8:2+events_unbound11:10:192
872813994441,2cyclictest1069940-21kworker/u8:2+flush-259:010:40:223
872810994440,3cyclictest1143338-21kworker/u8:1+flush-259:012:10:212
872803994438,4cyclictest1143351-21/usr/sbin/munin11:30:231
872810994339,3cyclictest883203-21kworker/u8:1+flush-259:007:30:222
872803994340,2cyclictest1085441-21kworker/u8:0+events_unbound11:25:231
872798994340,2cyclictest851940-21kworker/u8:2+events_unbound07:25:210
872810994239,2cyclictest1054029-21kworker/u8:1+flush-259:010:25:252
872810994137,3cyclictest1028840-21kworker/u8:3+flush-259:009:50:002
872798994139,2cyclictest1054430-21kworker/u8:4+flush-259:010:05:250
872798994138,2cyclictest1054029-21kworker/u8:1+events_unbound10:40:190
872810994034,4cyclictest1131853-21ntpq11:15:232
872803994037,2cyclictest903858-21kworker/u8:2+flush-259:008:05:151
872803994036,3cyclictest851940-21kworker/u8:2+flush-259:007:15:161
872803994034,4cyclictest252-21systemd-journal10:25:151
872798994037,2cyclictest1069940-21kworker/u8:2+events_unbound10:35:240
872810993935,3cyclictest966822-21kworker/u8:2+flush-259:008:40:242
872803993936,2cyclictest961463-21kworker/u8:0+events_unbound09:10:151
872803993935,3cyclictest1028840-21kworker/u8:3+events_unbound09:40:221
872803993934,2cyclictest1054029-21kworker/u8:1+events_unbound10:45:221
872798993936,2cyclictest981696-21kworker/u8:4+events_unbound09:00:240
872810993835,2cyclictest1069940-21kworker/u8:2+flush-259:012:05:152
872810993835,2cyclictest1023446-21kworker/u8:2+flush-259:009:40:002
872810993835,2cyclictest1003012-21kworker/u8:3+events_unbound09:30:232
872810993832,3cyclictest981696-21kworker/u8:4+flush-259:008:55:212
872798993835,2cyclictest1085441-21kworker/u8:0+events_unbound11:05:190
872798993835,2cyclictest1028840-21kworker/u8:3+events_unbound10:00:220
872798993834,3cyclictest893691-21kworker/u8:3+events_unbound07:40:100
872798993834,3cyclictest1080495-21apt-get10:30:110
872813993732,3cyclictest1138192-21/usr/sbin/munin11:25:163
872810993733,3cyclictest976000-21kworker/u8:3+flush-259:008:55:002
872803993733,3cyclictest1069940-21kworker/u8:2+events_unbound11:35:211
872803993732,3cyclictest1069940-21kworker/u8:2+flush-259:012:00:201
872803993730,5cyclictest903322-21ntpq07:35:191
872798993731,4cyclictest1034186-21diskstats09:45:150
872813993631,4cyclictest1054029-21kworker/u8:1+flush-259:010:30:203
872810993633,2cyclictest981696-21kworker/u8:4+flush-259:009:10:242
872810993633,2cyclictest1085441-21kworker/u8:0+flush-259:011:00:202
872810993633,2cyclictest1028840-21kworker/u8:3+events_unbound09:50:222
872803993633,2cyclictest935018-21kworker/u8:1+events_unbound08:40:001
872803993632,3cyclictest1023446-21kworker/u8:2+flush-259:009:45:201
872798993633,2cyclictest2667095-21kworker/u8:0+flush-259:007:55:150
872798993633,2cyclictest2667095-21kworker/u8:0+events_unbound08:00:210
872798993633,2cyclictest1195565-21kworker/u8:1+events_unbound12:20:200
872798993633,2cyclictest1184435-21kworker/u8:0+events_unbound12:10:250
872798993633,2cyclictest1054029-21kworker/u8:1+events_unbound10:15:230
872798993632,3cyclictest893691-21kworker/u8:3+events_unbound08:10:000
872810993532,2cyclictest935018-21kworker/u8:1+events_unbound08:35:232
872810993532,2cyclictest893691-21kworker/u8:3+events_unbound07:40:182
872810993532,2cyclictest851940-21kworker/u8:2+flush-259:007:15:212
872810993531,3cyclictest1154432-21kworker/u8:0+flush-259:011:50:152
872810993531,2cyclictest1002403-21kworker/u8:1+events_unbound09:20:212
872803993532,2cyclictest961463-21kworker/u8:0+events_unbound09:05:221
872803993532,2cyclictest871777-21kworker/u8:3+events_unbound07:13:211
872803993532,2cyclictest1195565-21kworker/u8:1+events_unbound12:25:161
872803993532,2cyclictest1002403-21kworker/u8:1+events_unbound09:20:151
872813993428,4cyclictest252-21systemd-journal10:55:003
872810993432,1cyclictest1028840-21kworker/u8:3+events_unbound09:40:242
872810993431,2cyclictest981696-21kworker/u8:4+flush-259:009:00:162
872810993431,2cyclictest1085441-21kworker/u8:0+flush-259:010:55:202
872810993426,2cyclictest2667095-21kworker/u8:0+flush-259:007:25:162
872803993431,2cyclictest1054029-21kworker/u8:1+flush-259:010:40:201
872803993431,2cyclictest1023446-21kworker/u8:2+events_unbound09:35:121
872803993431,2cyclictest1003012-21kworker/u8:3+flush-259:009:30:011
872803993430,3cyclictest1028840-21kworker/u8:3+events_unbound10:10:241
872798993431,2cyclictest851940-21kworker/u8:2+events_unbound07:10:160
872798993431,2cyclictest1085441-21kworker/u8:0+events_unbound10:48:100
872798993430,3cyclictest893691-21kworker/u8:3+flush-259:007:45:210
872798993429,2cyclictest1085441-21kworker/u8:0+events_unbound11:00:240
872810993328,2cyclictest2667095-21kworker/u8:0+events_unbound07:10:242
872810993229,2cyclictest893691-21kworker/u8:3+events_unbound07:45:222
872810993228,3cyclictest1195565-21kworker/u8:1+flush-259:012:35:002
872810993228,3cyclictest1044138-21kworker/u8:0+events_unbound09:55:252
872803993229,2cyclictest893691-21kworker/u8:3+events_unbound07:45:201
872803993228,3cyclictest1154432-21kworker/u8:0+flush-259:011:50:201
872798993229,2cyclictest935018-21kworker/u8:1+events_unbound08:25:110
872798993229,2cyclictest893691-21kworker/u8:3+events_unbound07:50:210
872798993229,2cyclictest1122307-21kworker/u8:4+events_unbound11:35:130
872798993229,2cyclictest1122307-21kworker/u8:4+events_unbound11:21:110
872810993128,2cyclictest1154432-21kworker/u8:0+events_unbound11:45:232
872803993128,2cyclictest1069940-21kworker/u8:2+events_unbound10:35:221
872803993126,3cyclictest509-21rs:main1
872803993125,3cyclictest1054029-21kworker/u8:1+events_unbound10:30:211
872810993027,2cyclictest961463-21kworker/u8:0+events_unbound09:05:242
872810993027,2cyclictest935248-21latency_hist08:10:002
872810993027,2cyclictest935018-21kworker/u8:1+flush-259:008:20:222
872810993027,2cyclictest1069940-21kworker/u8:2+flush-259:010:40:012
872810993027,2cyclictest1069940-21kworker/u8:2+events_unbound11:45:002
872810993026,3cyclictest1002403-21kworker/u8:1+events_unbound09:15:202
872798993027,2cyclictest976000-21kworker/u8:3+events_unbound08:50:150
872813992926,2cyclictest1154432-21kworker/u8:0+events_unbound11:55:133
872810992927,1cyclictest1069940-21kworker/u8:2+events_unbound11:35:242
872810992926,2cyclictest1195565-21kworker/u8:1+flush-259:012:25:262
872810992926,2cyclictest1122307-21kworker/u8:4+events_unbound11:20:232
872810992926,2cyclictest1069940-21kworker/u8:2+flush-259:011:25:202
872810992926,2cyclictest1054430-21kworker/u8:4+events_unbound10:05:232
872810992923,4cyclictest925208-21apt-get08:00:112
872803992926,2cyclictest1069940-21kworker/u8:2+flush-259:011:55:241
872798992926,2cyclictest1069940-21kworker/u8:2+events_unbound11:30:020
872813992822,4cyclictest1085441-21kworker/u8:0+flush-259:010:50:003
872810992825,2cyclictest893691-21kworker/u8:3+flush-259:008:30:202
872810992825,2cyclictest893691-21kworker/u8:3+flush-259:008:30:202
872810992825,2cyclictest1085441-21kworker/u8:0+events_unbound11:09:102
872810992825,2cyclictest1054029-21kworker/u8:1+events_unbound10:30:232
872810992824,3cyclictest1069940-21kworker/u8:2+events_unbound11:55:222
872810992824,3cyclictest1054029-21kworker/u8:1+events_unbound10:10:282
872810992824,3cyclictest1049531-21apt-get10:00:112
872803992825,2cyclictest893691-21kworker/u8:3+flush-259:008:15:251
872803992825,2cyclictest1190055-21kworker/u8:3+events_unbound12:15:221
872803992825,2cyclictest1069940-21kworker/u8:2+events_unbound11:00:181
872803992823,4cyclictest950706-21latency_hist08:25:001
872798992826,2cyclictest961463-21kworker/u8:0+flush-259:009:05:200
872798992826,2cyclictest1028840-21kworker/u8:3+events_unbound10:25:260
872798992825,2cyclictest2667095-21kworker/u8:0+events_unbound07:35:130
872798992824,3cyclictest981696-21kworker/u8:4+flush-259:009:10:180
872813992723,3cyclictest1122307-21kworker/u8:4+flush-259:011:15:013
872813992721,4cyclictest1185513-21apt-get12:10:133
872813992721,4cyclictest1054684-21apt-get10:05:123
872803992724,2cyclictest1028840-21kworker/u8:3+events_unbound09:50:161
872803992723,3cyclictest1069940-21kworker/u8:2+flush-259:012:05:251
872798992723,3cyclictest1106919-21gpgv10:55:000
872798992722,2cyclictest1028840-21kworker/u8:3+events_unbound09:50:140
872813992622,3cyclictest1143338-21kworker/u8:1+flush-259:011:30:253
872813992619,5cyclictest1023436-21awk09:35:013
872803992623,2cyclictest966822-21kworker/u8:2+events_unbound08:45:201
872803992620,4cyclictest872700-21latency_hist07:10:011
872803992620,4cyclictest252-21systemd-journal09:34:081
872798992624,2cyclictest976000-21kworker/u8:3+flush-259:008:45:250
872798992624,2cyclictest935018-21kworker/u8:1+flush-259:008:20:230
872798992624,2cyclictest1054029-21kworker/u8:1+events_unbound10:10:170
872798992623,2cyclictest976000-21kworker/u8:3+events_unbound08:55:030
872798992623,2cyclictest966822-21kworker/u8:2+events_unbound08:44:100
872803992522,2cyclictest981696-21kworker/u8:4+events_unbound09:03:101
872803992522,2cyclictest893691-21kworker/u8:3+events_unbound07:43:091
872803992522,2cyclictest1085441-21kworker/u8:0+events_unbound11:05:221
872803992521,3cyclictest1206112-21/usr/sbin/munin12:30:141
872803992520,4cyclictest1106606-21base6410:55:011
872803992519,4cyclictest955862-21latency_hist08:30:001
872798992523,1cyclictest211rcuc/007:19:350
872813992421,2cyclictest1028840-21kworker/u8:3+flush-259:010:10:263
872813992418,4cyclictest509-21rs:main3
872810992421,3cyclictest903858-21kworker/u8:2+events_unbound07:54:102
872810992421,2cyclictest935018-21kworker/u8:1+flush-259:008:25:202
872810992421,2cyclictest893691-21kworker/u8:3+events_unbound08:10:202
872810992420,3cyclictest1095336-21kworker/u8:3+flush-259:010:45:172
872810992417,5cyclictest1069038-21ntpq10:15:212
872803992421,2cyclictest966822-21kworker/u8:2+flush-259:008:45:001
872803992421,2cyclictest1184435-21kworker/u8:0+flush-259:012:10:221
872803992421,2cyclictest1154432-21kworker/u8:0+flush-259:011:45:181
872803992421,2cyclictest1069940-21kworker/u8:2+flush-259:012:35:281
872798992422,2cyclictest1069940-21kworker/u8:2+events_unbound12:15:140
872798992421,2cyclictest1069940-21kworker/u8:2+events_unbound12:35:210
872798992421,2cyclictest1002403-21kworker/u8:1+flush-259:009:20:190
872798992415,4cyclictest1003055-21apt-get09:15:130
872813992320,2cyclictest893691-21kworker/u8:3+events_unbound08:10:163
872813992320,2cyclictest1069940-21kworker/u8:2+events_unbound12:05:203
872813992320,2cyclictest1054029-21kworker/u8:1+events_unbound10:15:203
872813992319,3cyclictest1190055-21kworker/u8:3+events_unbound12:25:223
872813992319,3cyclictest1054029-21kworker/u8:1+events_unbound10:35:013
872813992319,2cyclictest1069940-21kworker/u8:2+flush-259:012:15:193
872810992320,2cyclictest1002403-21kworker/u8:1+events_unbound09:29:102
872798992321,2cyclictest893691-21kworker/u8:3+events_unbound08:30:040
872798992321,2cyclictest893691-21kworker/u8:3+events_unbound08:30:030
872798992321,2cyclictest1122307-21kworker/u8:4+flush-259:011:25:110
872813992215,4cyclictest252-21systemd-journal08:09:093
872810992219,2cyclictest966822-21kworker/u8:2+events_unbound08:45:232
872810992219,2cyclictest1190055-21kworker/u8:3+flush-259:012:15:252
872810992218,3cyclictest893691-21kworker/u8:3+events_unbound07:35:012
872803992220,2cyclictest883203-21kworker/u8:1+events_unbound07:30:231
872803992219,2cyclictest976000-21kworker/u8:3+events_unbound08:54:551
872803992219,2cyclictest1023446-21kworker/u8:2+events_unbound09:55:151
872798992220,2cyclictest1003012-21kworker/u8:3+flush-259:009:25:210
872798992219,2cyclictest1069940-21kworker/u8:2+events_unbound11:10:150
872813992117,3cyclictest981696-21kworker/u8:4+events_unbound09:00:223
872813992117,3cyclictest935018-21kworker/u8:1+events_unbound08:30:143
872813992117,3cyclictest935018-21kworker/u8:1+events_unbound08:30:143
872813992117,3cyclictest1069940-21kworker/u8:2+flush-259:012:00:203
872813992117,3cyclictest1044138-21kworker/u8:0+flush-259:010:00:273
872813992117,2cyclictest851940-21kworker/u8:2+flush-259:007:15:243
87281399210,20cyclictest1-21systemd08:40:003
872803992118,2cyclictest2667095-21kworker/u8:0+flush-259:007:20:161
872803992118,2cyclictest1085441-21kworker/u8:0+events_unbound11:10:111
872803992118,2cyclictest1054029-21kworker/u8:1+events_unbound10:20:171
872813992016,3cyclictest981696-21kworker/u8:4+flush-259:009:10:263
872813992016,3cyclictest935018-21kworker/u8:1+events_unbound08:25:153
872813992016,3cyclictest1069940-21kworker/u8:2+flush-259:012:35:193
872813992013,5cyclictest1112040-21latency_hist11:00:013
872810992017,2cyclictest2667095-21kworker/u8:0+events_unbound07:24:572
872810992017,2cyclictest1132364-21kworker/u8:5+events_unbound11:30:222
872810992017,2cyclictest1069940-21kworker/u8:2+flush-259:010:40:242
872803992017,2cyclictest1054430-21kworker/u8:4+events_unbound10:05:101
872803992016,3cyclictest509-21rs:main1
872798992017,2cyclictest893691-21kworker/u8:3+events_unbound08:12:110
872798992014,4cyclictest888332-21latency_hist07:25:010
872813991915,3cyclictest893691-21kworker/u8:3+events_unbound08:40:023
872813991915,3cyclictest1028840-21kworker/u8:3+flush-259:010:25:173
872813991915,3cyclictest1028840-21kworker/u8:3+events_unbound09:45:023
872813991912,5cyclictest920035-21apt-get07:55:133
872810991916,2cyclictest2667095-21kworker/u8:0+events_unbound07:55:232
872810991915,3cyclictest1085441-21kworker/u8:0+events_unbound10:50:132
872803991917,2cyclictest1054029-21kworker/u8:1+flush-259:010:17:101
872803991915,3cyclictest2667095-21kworker/u8:0+events_unbound07:55:141
872803991914,4cyclictest914830-21/usr/sbin/munin07:50:141
872798991917,2cyclictest1154432-21kworker/u8:0+flush-259:011:45:230
872798991916,2cyclictest893691-21kworker/u8:3+events_unbound08:36:100
872798991916,2cyclictest1070614-21irqcore10:20:170
872798991916,2cyclictest1023446-21kworker/u8:2+events_unbound09:35:160
872813991816,1cyclictest961463-21kworker/u8:0+events_unbound08:50:263
872813991815,2cyclictest893691-21kworker/u8:3+flush-259:008:15:153
872813991814,3cyclictest893691-21kworker/u8:3+flush-259:007:50:203
872813991813,4cyclictest509-21rs:main3
872813991813,4cyclictest1085441-21kworker/u8:0+events_unbound11:15:223
872813991813,3cyclictest1044138-21kworker/u8:0+events_unbound09:55:183
872798991815,2cyclictest893691-21kworker/u8:3+events_unbound07:31:160
872798991813,4cyclictest1174734-21/usr/sbin/munin12:00:120
872813991714,2cyclictest1002403-21kworker/u8:1+flush-259:009:20:243
872813991713,3cyclictest2667095-21kworker/u8:0+events_unbound08:00:243
872813991713,3cyclictest1154432-21kworker/u8:0+events_unbound11:45:153
872813991713,3cyclictest1069940-21kworker/u8:2+flush-259:011:05:163
872813991713,3cyclictest1023446-21kworker/u8:2+events_unbound09:35:183
872813991712,3cyclictest893691-21kworker/u8:3+flush-259:007:35:243
872813991711,4cyclictest992692-21/usr/sbin/munin09:05:163
872803991715,2cyclictest1127782-21kworker/u8:3+events_unbound11:15:211
872803991714,2cyclictest893691-21kworker/u8:3+events_unbound08:30:181
872803991714,2cyclictest893691-21kworker/u8:3+events_unbound08:30:181
872798991714,2cyclictest1143338-21kworker/u8:1+events_unbound11:59:100
872813991612,3cyclictest2667095-21kworker/u8:0+events_unbound07:20:243
872813991611,3cyclictest898752-21gpgv07:35:013
872810991613,2cyclictest935018-21kworker/u8:1+events_unbound08:16:112
872803991612,3cyclictest893691-21kworker/u8:3+events_unbound08:13:481
872813991512,2cyclictest1054029-21kworker/u8:1+events_unbound10:20:243
872813991512,2cyclictest1028840-21kworker/u8:3+flush-259:009:50:163
872813991511,3cyclictest966822-21kworker/u8:2+flush-259:008:45:153
872813991511,3cyclictest904242-21turbostat07:44:553
872813991510,3cyclictest1154432-21kworker/u8:0+flush-259:011:40:203
872798991514,1cyclictest60350irq/132-enp0s29f1:rx-009:40:140
872813991410,3cyclictest935018-21kworker/u8:1+flush-259:008:20:183
872810991410,3cyclictest1164193-21kworker/u8:3+events_unbound12:01:012
872803991412,2cyclictest1002403-21kworker/u8:1+events_unbound09:16:271
872798991412,2cyclictest60350irq/132-enp0s29f1:rx-012:05:290
87281399139,3cyclictest1154432-21kworker/u8:0+events_unbound11:50:173
87281399139,3cyclictest1085441-21kworker/u8:0+flush-259:011:00:243
872813991310,2cyclictest981696-21kworker/u8:4+flush-259:008:55:163
87281399130,12cyclictest1196219-21irqcore12:20:143
872803991311,2cyclictest851940-21kworker/u8:2+events_unbound07:28:001
872803991310,2cyclictest1069940-21kworker/u8:2+events_unbound12:24:051
87281399129,2cyclictest893691-21kworker/u8:3+flush-259:007:45:263
87281399128,2cyclictest1069940-21kworker/u8:2+events_unbound11:35:283
87281399108,1cyclictest0-21swapper/309:15:153
87281399104,4cyclictest513-21gdbus09:45:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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