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2026-01-20 - 01:06
[ 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 the 376 highest latencies:
System rackeslot4s.osadl.org (updated Mon Jan 19, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106384995852,4cyclictest237550-40mandb09:10:472
106387993932,4cyclictest409830-21latency_hist12:00:013
106387993733,3cyclictest200287-21kworker/u8:1+flush-259:010:54:593
106387993529,4cyclictest137670-21latency_hist07:40:013
106384993327,4cyclictest389212-21latency_hist11:40:002
106376993327,4cyclictest252-21systemd-journal09:10:360
106376993228,3cyclictest122345-21base6407:25:010
106387993126,4cyclictest189695-21latency_hist08:30:003
106387993026,3cyclictest195476-21/usr/sbin/munin08:35:153
106384993024,4cyclictest269665-21/usr/sbin/munin09:45:162
106387992925,3cyclictest205608-21kworker/u8:3+flush-259:008:50:253
106384992924,3cyclictest509-21rs:main2
106384992923,4cyclictest238200-21/usr/sbin/munin09:15:162
106381992926,2cyclictest253735-21gpgv09:30:001
106376992924,4cyclictest295618-21kworker/u8:3+flush-259:010:25:260
106387992824,3cyclictest357131-21kworker/u8:3+flush-259:012:10:163
106387992822,4cyclictest252-21systemd-journal10:50:013
106376992823,4cyclictest394633-21apt-get11:45:130
106381992723,3cyclictest357131-21kworker/u8:3+flush-259:011:15:001
106376992720,5cyclictest325628-21ntpq10:35:220
106387992622,3cyclictest127395-21kworker/u8:2+flush-259:007:49:583
106387992622,2cyclictest347180-21kworker/u8:0+events_unbound11:00:153
106381992618,6cyclictest289518-21ntpq10:00:211
106376992620,4cyclictest435589-21latency_hist12:25:000
10637699260,24cyclictest1-21systemd12:10:010
106387992521,3cyclictest85675-21kworker/u8:0+flush-259:007:25:273
106387992519,4cyclictest143214-21latency_hist07:45:023
106384992519,4cyclictest378740-21cp11:30:012
106384992519,4cyclictest378740-21cp11:30:012
106376992519,4cyclictest127613-21/usr/sbin/munin07:30:140
106387992421,2cyclictest174236-21kworker/u8:1+events_unbound08:30:173
106384992420,3cyclictest121837-21apt-get07:25:002
106384992419,4cyclictest357673-21/usr/sbin/munin11:10:152
106384992419,3cyclictest326497-21kworker/u8:2+flush-259:011:20:162
106384992419,3cyclictest200287-21kworker/u8:1+flush-259:009:35:162
106384992418,4cyclictest169025-21latency_hist08:10:022
106381992418,4cyclictest252-21systemd-journal08:00:001
106376992417,5cyclictest424377-21ntpq12:10:210
106376992416,5cyclictest215890-21latency_hist08:55:000
106381992319,3cyclictest305846-21latency_hist10:20:011
106381992319,3cyclictest205608-21kworker/u8:3+flush-259:008:55:001
106381992319,3cyclictest127395-21kworker/u8:2+flush-259:007:50:271
106376992317,5cyclictest444959-21ntpq12:30:210
106376992317,4cyclictest356563-21ntpq11:05:230
106376992315,6cyclictest247429-21ntpq09:20:210
106376992315,6cyclictest247429-21ntpq09:20:210
106387992219,2cyclictest210710-21cron08:49:593
106387992218,3cyclictest377749-21journal-offline11:25:493
106387992218,3cyclictest377749-21journal-offline11:25:493
106387992218,3cyclictest279741-21kworker/u8:2+events_unbound10:01:283
106387992216,4cyclictest216408-21base6408:55:003
106387992215,5cyclictest258254-21ntpq09:30:213
106384992218,3cyclictest85675-21kworker/u8:0+flush-259:007:30:162
106384992218,3cyclictest357131-21kworker/u8:3+flush-259:012:10:202
106381992219,2cyclictest336409-21kworker/u8:4+flush-259:011:25:001
106387992118,2cyclictest357131-21kworker/u8:3+events_unbound11:15:183
106387992118,2cyclictest222109-21kworker/u8:0+flush-259:009:25:253
106387992117,3cyclictest357131-21kworker/u8:3+flush-259:012:20:163
106387992117,3cyclictest200287-21kworker/u8:1+events_unbound09:50:163
106387992117,2cyclictest0-21swapper/308:25:013
106387992116,3cyclictest383649-21apt-get11:35:023
106387992115,4cyclictest336409-21kworker/u8:4+events_unbound11:10:143
106387992114,5cyclictest320488-21ntpq10:30:213
106387992114,5cyclictest227020-21latency_hist09:05:013
106384992118,2cyclictest95302-21kworker/u8:1+flush-259:007:10:162
106384992117,3cyclictest215891-21apt-get08:55:022
106381992118,2cyclictest394395-21kworker/u8:1+flush-259:012:25:011
106381992117,3cyclictest347420-21apt-get11:00:111
106381992116,3cyclictest174236-21kworker/u8:1+flush-259:008:25:151
106376992116,3cyclictest321327-21awk10:35:000
106387992016,3cyclictest357131-21kworker/u8:3+flush-259:012:30:243
106387992016,3cyclictest357131-21kworker/u8:3+flush-259:011:45:253
106387992014,5cyclictest436019-21diskstats12:25:163
106384992017,2cyclictest394395-21kworker/u8:1+flush-259:012:00:012
106384992016,3cyclictest200287-21kworker/u8:1+flush-259:010:05:002
106384992015,3cyclictest252-21systemd-journal11:09:592
106381992016,3cyclictest383760-21gpgv11:35:011
106381992016,3cyclictest383760-21gpgv11:35:011
106381992016,3cyclictest254130-21base6409:30:011
106381992016,3cyclictest111764-21apt-get07:15:111
106376992015,4cyclictest222109-21kworker/u8:0+flush-259:009:56:090
106376992014,4cyclictest190382-21apt-get08:30:110
106387991915,3cyclictest425310-21kworker/u8:0+events_unbound12:36:293
106387991915,3cyclictest326497-21kworker/u8:2+flush-259:010:55:213
106387991915,3cyclictest279741-21kworker/u8:2+events_unbound10:05:213
106387991915,3cyclictest222109-21kworker/u8:0+flush-259:009:35:223
106387991915,3cyclictest200287-21kworker/u8:1+flush-259:009:10:373
106387991915,3cyclictest200287-21kworker/u8:1+events_unbound09:08:273
106387991911,6cyclictest304990-21ntpq10:15:213
106384991915,3cyclictest200287-21kworker/u8:1+flush-259:011:05:002
106384991913,4cyclictest252-21systemd-journal11:00:002
106384991913,4cyclictest252-21systemd-journal10:31:282
106381991916,2cyclictest200287-21kworker/u8:1+flush-259:010:11:061
106381991915,2cyclictest1-21systemd09:10:381
106381991913,4cyclictest252-21systemd-journal12:01:271
106387991814,3cyclictest174236-21kworker/u8:1+events_unbound08:15:123
106384991814,3cyclictest326497-21kworker/u8:2+flush-259:010:50:252
106384991814,3cyclictest200287-21kworker/u8:1+flush-259:010:15:262
106384991813,3cyclictest284848-21latency_hist10:00:002
106381991812,5cyclictest399535-21latency_hist11:50:001
106376991814,3cyclictest357131-21kworker/u8:3+flush-259:012:20:010
106376991813,4cyclictest373208-21apt-get11:25:110
106376991813,4cyclictest373208-21apt-get11:25:110
106376991811,5cyclictest153495-21kworker/u8:3+flush-259:007:55:170
106376991811,5cyclictest110633-21ntpq07:10:210
106387991713,3cyclictest357131-21kworker/u8:3+events_unbound12:05:283
106387991713,3cyclictest295618-21kworker/u8:3+flush-259:010:35:273
106387991713,3cyclictest200287-21kworker/u8:1+events_unbound09:40:213
106384991713,3cyclictest295618-21kworker/u8:3+flush-259:010:40:482
106381991713,3cyclictest357131-21kworker/u8:3+flush-259:011:50:211
106381991712,4cyclictest252-21systemd-journal12:25:581
106376991714,2cyclictest60350irq/132-enp0s29f1:rx-010:49:350
106376991714,2cyclictest60350irq/132-enp0s29f1:rx-008:25:220
106376991714,2cyclictest200287-21kworker/u8:1-ext4-rsv-conversion11:04:590
106376991714,2cyclictest1-21systemd07:36:270
106376991714,2cyclictest0-21swapper/008:25:000
106376991713,2cyclictest60350irq/132-enp0s29f1:rx-011:20:180
106376991712,3cyclictest200287-21kworker/u8:1+flush-259:010:45:010
106376991711,4cyclictest383862-21cat11:35:010
106376991711,4cyclictest383862-21cat11:35:000
106376991710,5cyclictest106316-21latency_hist07:10:010
106387991613,2cyclictest295618-21kworker/u8:3+flush-259:010:20:193
106387991613,2cyclictest106347-21kworker/u8:3+flush-259:007:20:233
106387991612,3cyclictest326497-21kworker/u8:2+flush-259:011:20:233
106387991612,3cyclictest127395-21kworker/u8:2+flush-259:007:50:163
106387991612,2cyclictest85675-21kworker/u8:0+flush-259:007:10:203
10638499165,5cyclictest394378-21basename11:45:002
10638499165,5cyclictest394378-21basename11:45:002
106384991614,1cyclictest0-21swapper/209:35:002
106384991613,2cyclictest399523-21idleruntime-cro11:49:592
106384991613,2cyclictest295618-21kworker/u8:3+flush-259:010:25:002
106384991612,3cyclictest168980-21kworker/u8:2+flush-259:008:25:002
106384991611,4cyclictest215924-21gpgv08:55:002
10638499160,15cyclictest189741-21unin-run08:30:002
106381991613,2cyclictest200287-21kworker/u8:1+flush-259:009:40:181
106381991613,2cyclictest137700-21gpgv07:40:011
106376991614,1cyclictest60350irq/132-enp0s29f1:rx-010:06:000
106376991614,1cyclictest60350irq/132-enp0s29f1:rx-008:40:230
106376991614,1cyclictest60350irq/132-enp0s29f1:rx-008:01:200
106376991613,2cyclictest60350irq/132-enp0s29f1:rx-011:59:590
106376991612,3cyclictest60350irq/132-enp0s29f1:rx-008:50:000
106376991612,3cyclictest60350irq/132-enp0s29f1:rx-008:10:240
106376991612,3cyclictest513-21gdbus12:30:010
106376991612,3cyclictest200287-21kworker/u8:1+flush-259:009:40:230
10638799159,3cyclictest394395-21kworker/u8:1+flush-259:012:15:153
106387991512,2cyclictest394369-21cron11:45:003
106387991512,2cyclictest394369-21cron11:44:593
106387991511,3cyclictest222109-21kworker/u8:0+events_unbound09:55:213
106387991511,3cyclictest200287-21kworker/u8:1+events_unbound09:46:293
106384991512,2cyclictest173234-21needreboot08:10:182
106384991510,4cyclictest200287-21kworker/u8:1+flush-259:010:10:242
10638199159,4cyclictest252-21systemd-journal09:03:261
106381991513,1cyclictest327736-21kthreadcore10:40:171
106381991511,3cyclictest306115-21apt-get10:20:101
106381991510,4cyclictest252-21systemd-journal10:29:271
106376991513,1cyclictest60350irq/132-enp0s29f1:rx-012:03:100
106376991513,1cyclictest60350irq/132-enp0s29f1:rx-011:38:250
106376991513,1cyclictest60350irq/132-enp0s29f1:rx-011:16:560
106376991513,1cyclictest60350irq/132-enp0s29f1:rx-010:50:160
106376991513,1cyclictest60350irq/132-enp0s29f1:rx-007:50:250
106376991512,2cyclictest60350irq/132-enp0s29f1:rx-011:50:200
106376991512,2cyclictest60350irq/132-enp0s29f1:rx-010:10:220
106376991512,2cyclictest60350irq/132-enp0s29f1:rx-009:45:140
106376991512,2cyclictest60350irq/132-enp0s29f1:rx-009:31:590
106376991512,2cyclictest60350irq/132-enp0s29f1:rx-007:21:160
10638799149,4cyclictest279741-21kworker/u8:2+flush-259:010:11:233
10638799149,4cyclictest153495-21kworker/u8:3+flush-259:008:08:583
106387991411,2cyclictest357131-21kworker/u8:3+flush-259:011:50:233
106387991411,2cyclictest347180-21kworker/u8:0+events_unbound11:05:003
106387991410,3cyclictest153495-21kworker/u8:3+flush-259:008:10:233
106387991410,2cyclictest295618-21kworker/u8:3+flush-259:010:28:023
10638499148,5cyclictest0-21swapper/207:55:002
106384991411,2cyclictest2971-21cron12:35:012
106384991411,2cyclictest227009-21idleruntime-cro09:05:002
106384991410,3cyclictest85675-21kworker/u8:0+flush-259:007:43:582
106384991410,3cyclictest0-21swapper/208:50:002
106381991411,2cyclictest199565-21ntp_offset08:35:211
10637699149,3cyclictest252-21systemd-journal10:00:030
10637699147,5cyclictest311018-21latency_hist10:25:010
106376991412,1cyclictest60350irq/132-enp0s29f1:rx-010:55:160
106376991412,1cyclictest60350irq/132-enp0s29f1:rx-009:52:270
106376991412,1cyclictest60350irq/132-enp0s29f1:rx-009:25:230
106376991412,1cyclictest60350irq/132-enp0s29f1:rx-008:19:000
106376991411,2cyclictest60350irq/132-enp0s29f1:rx-009:00:120
106376991411,2cyclictest60350irq/132-enp0s29f1:rx-009:00:010
106376991411,2cyclictest60350irq/132-enp0s29f1:rx-008:35:130
10638799139,3cyclictest85675-21kworker/u8:0+flush-259:007:30:233
10638799139,3cyclictest158749-21kworker/u8:0+flush-259:008:40:153
10638799138,4cyclictest295618-21kworker/u8:3+flush-259:010:43:373
106387991310,2cyclictest153495-21kworker/u8:3+events_unbound08:00:053
10638499139,2cyclictest0-21swapper/212:04:592
106384991311,1cyclictest112175-21irqcore07:15:162
106384991310,2cyclictest450140-21ntp_kernel_pll_12:35:212
106384991310,2cyclictest163415-21unixbench_multi08:00:242
10638499130,7cyclictest336802-21grep10:50:012
10638199138,4cyclictest122467-21cp07:25:011
106381991311,1cyclictest106577-21/usr/sbin/munin07:10:241
106381991310,2cyclictest321300-21cron10:35:011
106381991310,2cyclictest264229-21idleruntime-cro09:40:011
10637699139,3cyclictest95302-21kworker/u8:1+flush-259:007:20:000
10637699139,3cyclictest127395-21kworker/u8:2+flush-259:007:50:000
106376991311,1cyclictest60350irq/132-enp0s29f1:rx-011:10:250
106376991311,1cyclictest60350irq/132-enp0s29f1:rx-009:15:170
106376991310,2cyclictest60350irq/132-enp0s29f1:rx-011:40:120
106376991310,2cyclictest60350irq/132-enp0s29f1:rx-011:40:110
10638799129,2cyclictest245109-21kthreadcore09:20:183
10638799129,2cyclictest245109-21kthreadcore09:20:183
10638799129,2cyclictest142322-21kworker/u8:1+events_unbound07:56:273
10638799128,3cyclictest222109-21kworker/u8:0+events_unbound09:15:013
10638499126,4cyclictest137861-21cp07:40:012
10638199129,2cyclictest500-21systemd-logind12:10:011
10638199129,2cyclictest363328-21sed11:15:171
10638199129,2cyclictest346728-21unixbench_singl10:55:251
10638199129,2cyclictest336409-21kworker/u8:4+flush-259:011:35:101
10638199129,2cyclictest279741-21kworker/u8:2+flush-259:010:05:161
10638199128,3cyclictest336409-21kworker/u8:4+flush-259:011:26:591
10638199128,3cyclictest336409-21kworker/u8:4+flush-259:011:26:581
10638199126,4cyclictest132562-21latency_hist07:35:011
10638199125,5cyclictest209841-21ntpq08:45:201
106381991210,1cyclictest0-21swapper/108:30:031
10637699129,2cyclictest60350irq/132-enp0s29f1:rx-010:15:170
10637699128,2cyclictest0-21swapper/012:35:110
106376991211,1cyclictest60350irq/132-enp0s29f1:rx-009:37:200
106376991210,1cyclictest60350irq/132-enp0s29f1:rx-008:05:100
106376991210,1cyclictest60350irq/132-enp0s29f1:rx-007:40:330
10638799117,3cyclictest394395-21kworker/u8:1+flush-259:012:00:203
10638499118,2cyclictest373338-21cpuspeed_turbos11:25:132
10638499118,2cyclictest373338-21cpuspeed_turbos11:25:122
10638499118,2cyclictest0-21swapper/207:55:152
10638499118,2cyclictest0-21swapper/207:25:172
10638499118,1cyclictest0-21swapper/209:25:182
10638199119,1cyclictest121843-21cut07:25:001
10638199118,2cyclictest0-21swapper/108:15:161
10638199111,9cyclictest445876-21awk12:35:011
10638499108,1cyclictest0-21swapper/209:20:182
10638499108,1cyclictest0-21swapper/209:20:172
10638499107,2cyclictest415274-21cpuspeed_turbos12:05:142
10638199108,1cyclictest180044-21sed08:20:151
10638199107,2cyclictest420458-21cpuspeed_turbos12:10:131
10638199107,2cyclictest389691-21fschecks_time11:40:141
10638199107,2cyclictest389691-21fschecks_time11:40:131
10638199106,2cyclictest356523-21ntpq11:05:211
10638199102,1cyclictest139911-21grep07:40:161
10638199101,1cyclictest409830-21latency_hist12:00:001
1063819986,1cyclictest0-21swapper/108:05:241
1063819984,3cyclictest338659-21cut10:50:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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