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2026-02-23 - 00:36
[ 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 Sun Feb 22, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
206086994542,2cyclictest402901-21kworker/u8:1+flush-259:010:20:261
206092994340,2cyclictest434690-21kworker/u8:4+events_unbound10:50:203
206086994239,2cyclictest408365-21kworker/u8:0+flush-259:010:40:171
206092993935,3cyclictest491453-21kworker/u8:2+flush-259:012:00:233
206086993936,2cyclictest216381-21kworker/u8:2+flush-259:007:25:261
206092993835,2cyclictest387712-21kworker/u8:3+events_unbound10:20:193
206082993733,2cyclictest460013-21kworker/u8:0+flush-259:011:25:180
206082993631,3cyclictest257795-21apt-get08:00:120
206092993532,2cyclictest402901-21kworker/u8:1+events_unbound10:25:143
206092993532,2cyclictest252394-21kworker/u8:0+flush-259:008:50:233
206092993529,4cyclictest450041-21kworker/u8:1+flush-259:011:20:183
206086993532,2cyclictest434690-21kworker/u8:4+events_unbound11:05:231
206082993531,3cyclictest330686-21kworker/u8:1+flush-259:010:00:230
206082993531,3cyclictest216381-21kworker/u8:2+flush-259:007:25:190
206092993431,2cyclictest330686-21kworker/u8:1+flush-259:009:30:173
206092993431,2cyclictest319945-21kworker/u8:2+flush-259:009:00:253
206092993430,3cyclictest434690-21kworker/u8:4+flush-259:011:10:193
206086993431,2cyclictest522536-21kworker/u8:0+events_unbound12:20:191
206086993430,3cyclictest252394-21kworker/u8:0+flush-259:008:35:211
206082993430,3cyclictest252394-21kworker/u8:0+flush-259:008:35:230
206082993428,4cyclictest308729-21ntpq08:45:220
206092993330,2cyclictest491453-21kworker/u8:2+flush-259:012:05:243
206086993329,3cyclictest408365-21kworker/u8:0+events_unbound10:35:131
206086993328,4cyclictest357120-21apt-get09:35:131
206086993328,3cyclictest491453-21kworker/u8:2+flush-259:012:15:151
206086993328,3cyclictest491453-21kworker/u8:2+flush-259:012:15:141
206092993229,2cyclictest522536-21kworker/u8:0+events_unbound12:20:243
206092993229,2cyclictest283809-21kworker/u8:1+flush-259:008:30:153
206092993229,2cyclictest242323-21kworker/u8:4+flush-259:007:50:163
206092993229,2cyclictest242323-21kworker/u8:4+events_unbound07:55:173
206086993229,2cyclictest434690-21kworker/u8:4+flush-259:011:40:251
206086993227,3cyclictest320609-21apt-get09:00:121
206092993128,2cyclictest252394-21kworker/u8:0+flush-259:008:10:223
206092993127,3cyclictest195886-21kworker/u8:3+flush-259:007:15:163
206090993126,3cyclictest242335-21/usr/sbin/munin07:45:162
206082993127,3cyclictest418589-21kworker/u8:2+events_unbound11:00:250
206082993126,3cyclictest252394-21kworker/u8:0+flush-259:010:10:170
206092993027,2cyclictest262695-21kworker/u8:2+events_unbound08:25:153
206092993027,2cyclictest252394-21kworker/u8:0+flush-259:008:55:153
206092993025,4cyclictest304464-21latency_hist08:45:013
206082993027,2cyclictest231769-21kworker/u8:1+flush-259:007:35:170
206082993023,5cyclictest257534-21latency_hist08:00:000
206092992926,2cyclictest460013-21kworker/u8:0+events_unbound11:25:233
206092992926,2cyclictest450041-21kworker/u8:1+events_unbound11:45:263
206092992926,2cyclictest216381-21kworker/u8:2+flush-259:007:20:223
206092992925,3cyclictest450041-21kworker/u8:1+flush-259:012:10:213
206092992925,3cyclictest252394-21kworker/u8:0+flush-259:009:50:193
206092992925,2cyclictest190385-21kworker/u8:2+flush-259:007:10:173
206090992923,4cyclictest543378-21/usr/sbin/munin12:35:142
206086992926,2cyclictest491453-21kworker/u8:2+flush-259:011:50:001
206086992926,2cyclictest242323-21kworker/u8:4+flush-259:008:30:211
206086992925,3cyclictest278230-21apt-get08:20:001
206086992825,2cyclictest491453-21kworker/u8:2+flush-259:012:35:181
206086992825,2cyclictest361987-21kworker/u8:2+flush-259:010:05:211
206086992824,3cyclictest387712-21kworker/u8:3+events_unbound10:30:171
206086992824,3cyclictest336014-21kworker/u8:2+events_unbound09:15:231
206086992824,3cyclictest330686-21kworker/u8:1+flush-259:009:20:141
206082992825,2cyclictest252394-21kworker/u8:0+flush-259:008:10:170
206092992724,2cyclictest522536-21kworker/u8:0+flush-259:012:15:243
206092992724,2cyclictest522536-21kworker/u8:0+flush-259:012:15:243
206092992724,2cyclictest491453-21kworker/u8:2+events_unbound11:55:193
206092992724,2cyclictest402901-21kworker/u8:1+events_unbound10:30:233
206090992723,3cyclictest538267-21apt-get12:30:132
206090992722,3cyclictest434690-21kworker/u8:4+flush-259:011:30:162
206090992722,3cyclictest195886-21kworker/u8:3+flush-259:007:30:242
206086992723,3cyclictest450041-21kworker/u8:1+events_unbound12:10:161
206086992723,3cyclictest252394-21kworker/u8:0+flush-259:008:10:231
206082992722,4cyclictest231769-21kworker/u8:1+flush-259:007:40:140
206082992722,4cyclictest231769-21kworker/u8:1+flush-259:007:40:130
206092992624,2cyclictest491453-21kworker/u8:2+flush-259:012:25:153
206092992623,2cyclictest387712-21kworker/u8:3+flush-259:010:15:223
206092992622,3cyclictest408365-21kworker/u8:0+events_unbound10:40:193
206092992622,3cyclictest299320-21kworker/u8:2+events_unbound08:45:293
206092992622,3cyclictest242323-21kworker/u8:4+events_unbound08:20:233
206086992623,2cyclictest491453-21kworker/u8:2+flush-259:011:55:201
206086992622,3cyclictest450041-21kworker/u8:1+events_unbound11:20:141
206086992620,4cyclictest320108-21cat09:00:011
206092992522,3cyclictest252394-21kworker/u8:0+events_unbound09:40:193
206092992522,2cyclictest330686-21kworker/u8:1+flush-259:009:15:183
206092992522,2cyclictest252394-21kworker/u8:0+flush-259:008:35:163
206092992521,3cyclictest476412-21kworker/u8:2+events_unbound11:30:243
206090992519,4cyclictest252-21systemd-journal08:15:012
206086992522,3cyclictest299320-21kworker/u8:2+flush-259:008:45:161
206086992522,2cyclictest522536-21kworker/u8:0+flush-259:012:30:231
206086992522,2cyclictest262438-21kworker/u8:1+flush-259:008:05:151
206086992522,2cyclictest252394-21kworker/u8:0+flush-259:009:10:161
206086992522,2cyclictest242323-21kworker/u8:4+events_unbound07:50:211
206086992522,2cyclictest190385-21kworker/u8:2+events_unbound07:10:141
206086992520,2cyclictest330686-21kworker/u8:1+events_unbound09:25:181
206082992521,3cyclictest434690-21kworker/u8:4+flush-259:011:10:250
206092992420,3cyclictest486484-21latency_hist11:40:003
206090992420,3cyclictest330686-21kworker/u8:1+flush-259:009:20:252
206090992420,3cyclictest330686-21kworker/u8:1+events_unbound09:55:182
206086992421,2cyclictest340693-21kworker/u8:3+flush-259:009:30:271
206086992421,2cyclictest330686-21kworker/u8:1+events_unbound09:55:221
206086992421,2cyclictest252394-21kworker/u8:0+flush-259:009:50:151
206086992421,2cyclictest231769-21kworker/u8:1+flush-259:007:35:241
206082992421,2cyclictest242323-21kworker/u8:4+flush-259:009:05:150
206082992420,3cyclictest491453-21kworker/u8:2+events_unbound11:55:150
206082992420,3cyclictest418589-21kworker/u8:2+flush-259:010:45:240
206082992419,4cyclictest418860-21apt-get10:35:110
206092992320,2cyclictest450041-21kworker/u8:1+flush-259:011:15:253
206092992320,2cyclictest434690-21kworker/u8:4+events_unbound11:50:233
206092992320,2cyclictest434690-21kworker/u8:4+events_unbound11:05:193
206092992319,3cyclictest450014-21latency_hist11:05:023
206090992318,4cyclictest351272-21apt-get09:30:002
206086992320,2cyclictest413469-21cron10:30:001
206086992320,2cyclictest146465-21kworker/u8:0+flush-259:007:35:001
206086992319,3cyclictest330686-21kworker/u8:1+events_unbound10:00:181
206086992317,4cyclictest398277-21/usr/sbin/munin10:15:141
206082992319,3cyclictest434690-21kworker/u8:4+events_unbound11:40:220
206092992219,2cyclictest252394-21kworker/u8:0+flush-259:009:59:203
206092992219,2cyclictest242323-21kworker/u8:4+events_unbound08:00:203
206092992216,4cyclictest252-21systemd-journal07:45:003
206092992216,4cyclictest252-21systemd-journal07:45:003
206090992218,3cyclictest262438-21kworker/u8:1+events_unbound08:05:182
206086992219,2cyclictest450041-21kworker/u8:1+events_unbound11:15:261
206086992219,2cyclictest434690-21kworker/u8:4+flush-259:011:10:151
206086992218,3cyclictest434725-21apt-get10:50:131
206086992218,3cyclictest252394-21kworker/u8:0+flush-259:009:05:211
206086992218,3cyclictest252394-21kworker/u8:0+flush-259:008:50:261
206082992219,2cyclictest434690-21kworker/u8:4+events_unbound11:50:190
206082992219,2cyclictest242323-21kworker/u8:4+flush-259:007:45:230
206082992218,3cyclictest450041-21kworker/u8:1+flush-259:011:45:250
206082992218,3cyclictest330686-21kworker/u8:1+events_unbound09:25:240
206082992216,4cyclictest324658-21ntpq09:00:220
20608299220,20cyclictest509-21rs:main0
206092992118,2cyclictest418589-21kworker/u8:2+flush-259:010:55:253
206092992118,2cyclictest252394-21kworker/u8:0+flush-259:009:45:263
206090992117,3cyclictest330686-21kworker/u8:1+flush-259:009:50:232
206090992116,4cyclictest439931-21apt-get10:55:122
206090992116,3cyclictest242323-21kworker/u8:4+events_unbound09:10:212
206086992118,2cyclictest491453-21kworker/u8:2+flush-259:011:55:001
206086992116,3cyclictest434690-21kworker/u8:4+events_unbound11:30:131
206082992118,2cyclictest434690-21kworker/u8:4+flush-259:010:55:000
206082992117,3cyclictest522536-21kworker/u8:0+flush-259:012:15:200
206082992117,3cyclictest522536-21kworker/u8:0+flush-259:012:15:200
206082992117,3cyclictest491453-21kworker/u8:2+events_unbound12:00:210
206082992117,3cyclictest283809-21kworker/u8:1+flush-259:008:30:190
206092992016,3cyclictest252394-21kworker/u8:0+events_unbound09:10:153
206090992018,1cyclictest0-21swapper/210:30:002
206090992017,2cyclictest450041-21kworker/u8:1+flush-259:011:20:162
206090992017,2cyclictest252394-21kworker/u8:0+flush-259:009:40:232
206090992016,3cyclictest491453-21kworker/u8:2+flush-259:012:25:202
206090992016,3cyclictest242323-21kworker/u8:4+flush-259:007:50:172
206086992017,2cyclictest491453-21kworker/u8:2+flush-259:012:05:211
206082992017,2cyclictest283809-21kworker/u8:1+events_unbound08:55:220
206082992015,4cyclictest403160-21latency_hist10:20:010
206082992015,3cyclictest211617-21diskstats07:15:140
206092991916,2cyclictest491453-21kworker/u8:2+flush-259:012:35:253
206092991916,2cyclictest408365-21kworker/u8:0+events_unbound10:35:153
206092991916,2cyclictest146465-21kworker/u8:0+events_unbound07:31:203
206092991914,4cyclictest231769-21kworker/u8:1+flush-259:007:35:263
206090991916,2cyclictest252394-21kworker/u8:0+events_unbound08:50:152
206090991916,2cyclictest0-21swapper/207:20:002
206090991915,3cyclictest231769-21kworker/u8:1+flush-259:007:40:232
206090991915,3cyclictest231769-21kworker/u8:1+flush-259:007:40:232
206086991916,2cyclictest491453-21kworker/u8:2+flush-259:012:25:201
206086991916,2cyclictest216381-21kworker/u8:2+events_unbound07:20:171
206086991915,3cyclictest284054-21apt-get08:25:111
206082991915,3cyclictest491453-21kworker/u8:2+flush-259:012:10:190
206082991915,3cyclictest460013-21kworker/u8:0+flush-259:011:20:010
206082991914,4cyclictest418589-21kworker/u8:2+flush-259:010:40:220
206092991815,2cyclictest242323-21kworker/u8:4+flush-259:008:15:133
206090991814,3cyclictest361987-21kworker/u8:2+flush-259:010:05:162
206086991815,2cyclictest283809-21kworker/u8:1+flush-259:008:45:011
206082991814,3cyclictest387712-21kworker/u8:3+events_unbound10:30:250
206082991814,3cyclictest242323-21kworker/u8:4+events_unbound08:20:150
206082991814,3cyclictest195886-21kworker/u8:3+flush-259:007:30:200
206082991812,4cyclictest377406-21latency_hist09:55:000
206092991713,3cyclictest450041-21kworker/u8:1+flush-259:011:44:433
206090991714,2cyclictest330686-21kworker/u8:1+flush-259:009:45:152
206090991713,3cyclictest330686-21kworker/u8:1+flush-259:009:30:232
206090991711,5cyclictest319919-21apt-get09:00:012
206086991715,1cyclictest252394-21kworker/u8:0+flush-259:010:10:181
206086991714,2cyclictest418589-21kworker/u8:2+events_unbound10:49:301
206082991714,2cyclictest491453-21kworker/u8:2+flush-259:012:35:230
206082991714,2cyclictest252394-21kworker/u8:0+events_unbound09:45:190
206082991713,3cyclictest527969-21apt-get12:20:130
206082991713,3cyclictest418589-21kworker/u8:2+flush-259:010:55:220
206082991712,4cyclictest330686-21kworker/u8:1+flush-259:009:30:150
206092991613,2cyclictest491453-21kworker/u8:2+events_unbound12:34:193
206092991613,2cyclictest361987-21kworker/u8:2+flush-259:010:05:183
206092991613,2cyclictest0-21swapper/307:49:593
206090991612,3cyclictest491453-21kworker/u8:2+events_unbound12:00:192
206090991612,3cyclictest460013-21kworker/u8:0+flush-259:011:25:262
206090991612,3cyclictest434690-21kworker/u8:4+flush-259:010:50:232
206090991612,3cyclictest319949-21gpgv09:00:002
206090991612,3cyclictest231769-21kworker/u8:1+flush-259:007:35:202
206090991610,4cyclictest429295-21latency_hist10:45:012
206086991614,2cyclictest418589-21kworker/u8:2+flush-259:010:55:231
206086991613,3cyclictest195886-21kworker/u8:3+events_unbound07:45:181
206086991613,2cyclictest242323-21kworker/u8:4+flush-259:008:20:271
206086991612,3cyclictest252394-21kworker/u8:0+flush-259:009:45:181
206086991612,3cyclictest231769-21kworker/u8:1+events_unbound07:40:221
206086991612,3cyclictest231769-21kworker/u8:1+events_unbound07:40:221
206082991614,2cyclictest60350irq/132-enp0s29f1:rx-008:40:470
206082991614,1cyclictest60350irq/132-enp0s29f1:rx-010:23:150
206082991614,1cyclictest60350irq/132-enp0s29f1:rx-007:11:500
206082991613,2cyclictest60350irq/132-enp0s29f1:rx-008:52:540
206082991613,2cyclictest60350irq/132-enp0s29f1:rx-007:50:150
206082991613,2cyclictest330686-21kworker/u8:1+events_unbound09:20:190
206082991612,3cyclictest60350irq/132-enp0s29f1:rx-011:30:240
206082991612,3cyclictest60350irq/132-enp0s29f1:rx-010:05:230
206082991612,3cyclictest330686-21kworker/u8:1+flush-259:009:55:210
206082991612,3cyclictest216381-21kworker/u8:2+flush-259:007:20:230
206082991611,4cyclictest60350irq/132-enp0s29f1:rx-012:30:140
206082991611,3cyclictest252394-21kworker/u8:0+flush-259:009:40:240
206092991512,2cyclictest330686-21kworker/u8:1+flush-259:009:20:203
206092991512,2cyclictest262695-21kworker/u8:2+flush-259:008:05:273
206092991512,2cyclictest242323-21kworker/u8:4+events_unbound09:05:203
206090991511,3cyclictest216381-21kworker/u8:2+flush-259:007:20:172
206090991510,3cyclictest252-21systemd-journal12:24:182
20608699159,4cyclictest252-21systemd-journal11:30:001
206082991513,1cyclictest60350irq/132-enp0s29f1:rx-008:15:160
206082991513,1cyclictest60350irq/132-enp0s29f1:rx-008:05:140
206082991512,2cyclictest60350irq/132-enp0s29f1:rx-012:25:190
206082991512,2cyclictest60350irq/132-enp0s29f1:rx-011:20:200
206082991512,2cyclictest60350irq/132-enp0s29f1:rx-010:25:200
206082991512,2cyclictest60350irq/132-enp0s29f1:rx-009:10:230
206092991411,3cyclictest252394-21kworker/u8:0+events_unbound09:35:183
206092991411,2cyclictest252394-21kworker/u8:0+events_unbound10:14:193
20609099149,3cyclictest418589-21kworker/u8:2+events_unbound10:45:192
20609099148,5cyclictest252394-21kworker/u8:0+flush-259:008:25:232
206090991411,2cyclictest206078-21cyclictest08:45:002
206090991410,3cyclictest336014-21kworker/u8:2+events_unbound09:15:252
206090991410,3cyclictest278791-21gpgv08:20:012
206086991412,2cyclictest501989-21kworker/u8:0+events_unbound12:04:471
206086991411,2cyclictest418589-21kworker/u8:2+flush-259:011:00:261
206082991411,2cyclictest60350irq/132-enp0s29f1:rx-012:05:160
206082991410,3cyclictest330686-21kworker/u8:1+events_unbound09:15:190
206092991310,2cyclictest382886-21cpuspeed_turbos10:00:133
20609099139,3cyclictest450453-21fschecks_count11:05:132
20609099139,3cyclictest434690-21kworker/u8:4+flush-259:011:00:202
20609099139,3cyclictest190385-21kworker/u8:2+flush-259:007:10:222
20609099138,4cyclictest242323-21kworker/u8:4+flush-259:008:15:172
206090991311,1cyclictest0-21swapper/212:15:012
206090991311,1cyclictest0-21swapper/209:35:192
206090991310,2cyclictest482017-21tr11:35:152
206090991310,2cyclictest464968-21unixbench_multi11:15:242
206090991310,2cyclictest283809-21kworker/u8:1+events_unbound08:30:182
206086991310,2cyclictest434690-21kworker/u8:4+events_unbound11:35:111
206086991310,2cyclictest362300-21cpuspeed_turbos09:40:131
206086991310,2cyclictest242323-21kworker/u8:4+flush-259:008:00:211
206086991310,2cyclictest242323-21kworker/u8:4+flush-259:007:55:191
206082991310,2cyclictest60350irq/132-enp0s29f1:rx-011:05:200
20609299129,2cyclictest252394-21kworker/u8:0+flush-259:009:27:383
20609099129,2cyclictest257521-21idleruntime-cro08:00:002
206082991210,1cyclictest60350irq/132-enp0s29f1:rx-011:35:130
20609099119,1cyclictest0-21swapper/210:00:162
20609099118,2cyclictest500-21systemd-logind10:35:002
20609099118,2cyclictest497144-21cpuspeed_turbos11:50:142
20609099108,1cyclictest0-21swapper/211:10:162
20609099107,2cyclictest0-21swapper/211:40:212
20609099106,3cyclictest242323-21kworker/u8:4+flush-259:008:04:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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