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2026-02-07 - 22:35
[ 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 all highest latencies:
System rackeslot4s.osadl.org (updated Sat Feb 07, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2364916994839,6cyclictest2395842-21latency_hist07:40:012
2364911994739,5cyclictest2542408-21latency_hist10:00:010
2364921994339,3cyclictest2375293-21kworker/u8:0+flush-259:008:45:203
2364921994239,2cyclictest2375293-21kworker/u8:0+events_unbound08:00:243
2364911994236,4cyclictest2656727-21gpgv11:50:010
2364921993931,3cyclictest2657182-21kworker/u8:3+flush-259:012:15:163
2364911993935,3cyclictest2657181-21kworker/u8:2+flush-259:012:25:210
2364921993734,2cyclictest2657181-21kworker/u8:2+flush-259:012:15:003
2364921993633,2cyclictest2704220-21kworker/u8:1+flush-259:012:35:013
2364921993633,2cyclictest2349184-21kworker/u8:1+events_unbound07:40:143
2364921993632,3cyclictest2657182-21kworker/u8:3+flush-259:012:05:213
2364921993632,3cyclictest2615127-21apt-get11:10:123
2364921993532,2cyclictest2694116-21kworker/u8:4+flush-259:012:30:013
2364921993531,3cyclictest2375293-21kworker/u8:0+events_unbound07:25:223
2364913993529,4cyclictest2537262-21latency_hist09:55:001
2364911993532,2cyclictest2619639-21kworker/u8:4+flush-259:011:35:160
2364911993530,3cyclictest2630388-21kworker/u8:1+flush-259:011:55:210
2364921993430,3cyclictest2453220-21kworker/u8:1+flush-259:009:10:213
2364911993431,2cyclictest2704220-21kworker/u8:1+events_unbound12:35:220
2364921993327,4cyclictest2583484-21latency_hist10:39:593
2364916993327,4cyclictest252-21systemd-journal08:27:122
2364913993326,5cyclictest2598944-21latency_hist10:55:001
2364921993229,2cyclictest2568093-21kworker/u8:0+events_unbound10:40:223
2364913993226,5cyclictest2474515-21apt-get08:55:121
2364911993227,3cyclictest2657182-21kworker/u8:3+flush-259:012:05:000
2364916993126,3cyclictest2511120-21kworker/u8:2+events_unbound10:05:152
2364913993126,3cyclictest2583755-21apt-get10:40:121
2364913993125,4cyclictest2688281-21latency_hist12:20:011
2364911993128,2cyclictest2411709-21kworker/u8:2+flush-259:008:25:220
2364911993127,3cyclictest2521655-21apt-get09:40:130
2364911993127,3cyclictest2474472-21kworker/u8:3+flush-259:009:50:230
2364911993127,3cyclictest2401018-21kworker/u8:3+events_unbound07:50:270
2364911993125,4cyclictest2448512-21diskstats08:30:140
2364921993027,2cyclictest2474472-21kworker/u8:3+flush-259:010:15:163
2364921993027,2cyclictest2474472-21kworker/u8:3+events_unbound09:05:233
2364921993027,2cyclictest2411709-21kworker/u8:2+flush-259:008:00:003
2364916993026,3cyclictest2474472-21kworker/u8:3+flush-259:010:25:172
2364916993026,2cyclictest2349184-21kworker/u8:1+flush-259:007:20:232
2364921992926,2cyclictest2619639-21kworker/u8:4+flush-259:011:40:223
2364921992925,3cyclictest2511120-21kworker/u8:2+events_unbound10:50:233
2364916992923,4cyclictest2688944-21/usr/sbin/munin12:20:152
2364916992923,4cyclictest252-21systemd-journal11:00:002
2364916992922,5cyclictest509-21rs:main2
2364911992925,3cyclictest2442544-21kworker/u8:3+flush-259:008:35:150
2364911992924,4cyclictest2527236-21apt-get09:45:120
2364921992825,2cyclictest2364894-21kworker/u8:3+flush-259:007:15:163
2364911992824,3cyclictest2619639-21kworker/u8:4+flush-259:011:15:240
2364911992824,3cyclictest2511120-21kworker/u8:2+events_unbound10:30:230
2364911992823,4cyclictest2573208-21latency_hist10:30:000
2364921992724,2cyclictest2511120-21kworker/u8:2+flush-259:009:35:203
2364921992724,2cyclictest2375293-21kworker/u8:0+flush-259:008:50:253
2364921992723,3cyclictest2494861-21kworker/u8:0+flush-259:009:30:003
2364921992723,3cyclictest2468699-21kworker/u8:2+events_unbound08:57:133
2364921992720,5cyclictest2557811-21latency_hist10:15:003
2364916992721,4cyclictest2542649-21/usr/sbin/munin10:00:162
236491199275,3cyclictest252-21systemd-journal09:39:590
2364911992724,2cyclictest2511120-21kworker/u8:2+flush-259:011:25:210
2364911992724,2cyclictest2411709-21kworker/u8:2+events_unbound08:15:250
2364911992721,4cyclictest2511109-21latency_hist09:30:010
2364921992622,3cyclictest2657182-21kworker/u8:3+events_unbound11:50:193
2364921992622,3cyclictest2375293-21kworker/u8:0+flush-259:008:20:003
2364921992620,2cyclictest2375293-21kworker/u8:0+events_unbound07:30:203
2364916992622,3cyclictest2630388-21kworker/u8:1+flush-259:012:00:012
2364916992619,5cyclictest2406157-21apt-get07:50:002
2364911992622,3cyclictest2474472-21kworker/u8:3+events_unbound09:05:240
2364911992622,3cyclictest2375293-21kworker/u8:0+flush-259:008:44:590
2364921992519,4cyclictest2463547-21latency_hist08:45:013
2364916992518,5cyclictest2515381-21ntpq09:30:202
2364916992518,5cyclictest2453196-21latency_hist08:35:002
2364911992521,3cyclictest2375293-21kworker/u8:0+flush-259:007:25:180
2364921992421,2cyclictest2609354-21kworker/u8:0+flush-259:011:20:183
2364916992419,4cyclictest2495509-21/usr/sbin/munin09:15:152
2364916992418,4cyclictest252-21systemd-journal11:20:132
2364916992417,5cyclictest2527138-21cat09:45:012
2364911992421,2cyclictest2657181-21kworker/u8:2+events_unbound12:30:180
2364911992420,3cyclictest2511120-21kworker/u8:2+events_unbound11:10:180
2364911992420,3cyclictest2375293-21kworker/u8:0+events_unbound08:52:120
2364911992417,5cyclictest252-21systemd-journal09:35:010
2364911992417,5cyclictest2431388-21ntpq08:10:200
2364921992320,2cyclictest2511120-21kworker/u8:2+events_unbound09:45:143
2364921992320,2cyclictest2474472-21kworker/u8:3+events_unbound10:25:293
2364921992320,2cyclictest2401018-21kworker/u8:3+events_unbound07:46:133
2364921992319,3cyclictest2598574-21kworker/u8:1+events_unbound11:04:113
2364921992319,3cyclictest2474472-21kworker/u8:3+events_unbound09:55:113
2364921992318,3cyclictest252-21systemd-journal10:05:013
2364916992316,4cyclictest2536395-21ntpq09:50:212
2364913992318,3cyclictest2667681-21cron12:00:001
236491399231,19cyclictest1-21systemd09:25:011
2364911992319,3cyclictest2657182-21kworker/u8:3+events_unbound12:20:230
2364921992219,2cyclictest2657182-21kworker/u8:3+events_unbound12:00:223
2364921992219,2cyclictest2598574-21kworker/u8:1+flush-259:011:05:213
2364921992219,2cyclictest2588852-21kworker/u8:4+flush-259:010:45:253
2364921992219,2cyclictest2453220-21kworker/u8:1+events_unbound09:40:143
2364921992219,2cyclictest2453220-21kworker/u8:1+events_unbound09:30:193
2364921992218,3cyclictest2375293-21kworker/u8:0+events_unbound08:30:213
2364921992216,2cyclictest2411709-21kworker/u8:2+events_unbound08:20:193
236492199220,20cyclictest1-21systemd11:30:003
236491399226,4cyclictest2624370-21collect211:15:211
2364911992219,2cyclictest2598574-21kworker/u8:1+events_unbound11:05:240
2364921992118,2cyclictest2511120-21kworker/u8:2+flush-259:010:55:203
2364921992117,3cyclictest2411709-21kworker/u8:2+events_unbound08:26:123
2364916992114,5cyclictest2640637-21latency_hist11:35:012
2364913992116,4cyclictest2657182-21kworker/u8:3+flush-259:012:00:171
2364913992115,4cyclictest2495539-21apt-get09:15:121
2364911992117,3cyclictest2494861-21kworker/u8:0+events_unbound09:15:210
2364911992117,3cyclictest2474472-21kworker/u8:3+events_unbound10:22:130
2364911992117,3cyclictest2375293-21kworker/u8:0+events_unbound08:05:200
236491199210,20cyclictest1-21systemd08:24:120
2364921992018,1cyclictest2479610-21kworker/u8:4+events_unbound09:00:233
2364921992017,2cyclictest2619639-21kworker/u8:4+events_unbound11:35:223
2364921992017,2cyclictest2511120-21kworker/u8:2+events_unbound11:15:263
2364921992017,2cyclictest2494861-21kworker/u8:0+events_unbound09:15:263
2364921992017,2cyclictest2442544-21kworker/u8:3+flush-259:008:40:003
2364916992015,4cyclictest2375293-21kworker/u8:0+flush-259:008:40:182
2364916992012,5cyclictest2457521-21ntpq08:35:232
2364913992014,4cyclictest2532127-21latency_hist09:50:011
2364911992017,2cyclictest2657182-21kworker/u8:3+flush-259:011:50:260
2364911992017,2cyclictest2511120-21kworker/u8:2+flush-259:010:00:260
2364911992017,2cyclictest2453220-21kworker/u8:1+events_unbound09:10:130
2364911992017,2cyclictest2375293-21kworker/u8:0+flush-259:007:45:150
2364911992017,2cyclictest2342850-21kworker/u8:2+events_unbound07:10:220
2364911992016,3cyclictest2646462-21/usr/sbin/munin11:40:130
2364921991916,2cyclictest2474472-21kworker/u8:3+events_unbound09:50:043
2364916991912,5cyclictest2662309-21cat11:55:012
2364913991914,4cyclictest2479646-21apt-get09:00:101
2364913991913,4cyclictest2656529-21apt-get11:50:001
2364913991913,4cyclictest252-21systemd-journal08:03:111
2364913991913,4cyclictest2411699-21latency_hist07:55:011
2364921991814,3cyclictest2427127-21turbostat08:09:593
236491699185,6cyclictest2442519-21munin-run08:25:002
2364916991815,2cyclictest2598948-21latency_hist10:55:002
2364916991815,2cyclictest2511120-21kworker/u8:2+events_unbound11:20:012
2364916991814,3cyclictest2511120-21kworker/u8:2+flush-259:009:40:252
2364916991811,5cyclictest2651368-21latency_hist11:45:012
236491699180,6cyclictest2479386-21awk09:00:002
236491399186,2cyclictest2452285-21ntpq08:30:201
236491399185,8cyclictest2693519-21chrt12:20:341
236491399185,4cyclictest2650724-21taskset11:40:231
2364913991814,3cyclictest2662593-21latency_hist11:55:011
2364913991814,3cyclictest2568093-21kworker/u8:0+flush-259:010:35:171
2364911991815,2cyclictest2588646-21systemd-run10:45:000
2364911991815,2cyclictest2511120-21kworker/u8:2+events_unbound11:00:210
2364911991813,4cyclictest2594079-21apt-get10:50:120
2364921991714,2cyclictest0-21swapper/308:15:003
2364916991712,3cyclictest2657182-21kworker/u8:3+flush-259:012:05:172
2364913991715,1cyclictest0-21swapper/108:29:591
2364913991711,4cyclictest2630631-21apt-get11:25:121
2364913991711,4cyclictest2488846-21ntpq09:05:241
2364913991710,5cyclictest2542416-21cut10:00:011
2364911991714,2cyclictest2677687-21kworker/u8:0+flush-259:012:10:240
2364911991713,3cyclictest2657182-21kworker/u8:3+flush-259:012:05:220
2364911991713,3cyclictest2479610-21kworker/u8:4+flush-259:009:00:160
2364911991713,3cyclictest2474472-21kworker/u8:3+flush-259:008:55:210
2364921991613,2cyclictest2511120-21kworker/u8:2+events_unbound10:00:133
2364921991612,3cyclictest2401018-21kworker/u8:3+flush-259:007:54:583
236491699169,5cyclictest2468868-21cp08:50:012
2364916991612,2cyclictest0-21swapper/211:05:242
2364916991611,4cyclictest2657182-21kworker/u8:3+events_unbound12:00:162
2364916991610,4cyclictest2619639-21kworker/u8:4+flush-259:011:35:172
236491399169,5cyclictest2699067-21cron12:30:001
236491399169,5cyclictest2578306-21cron10:34:591
236491399168,6cyclictest2644472-21cut11:35:191
236491399165,8cyclictest2557811-21latency_hist10:15:001
236491399164,4cyclictest2489907-21chrt09:10:011
236491399164,3cyclictest2442437-21seq08:24:131
2364913991612,3cyclictest1-21systemd08:50:001
2364913991612,2cyclictest0-21swapper/111:05:241
2364913991610,4cyclictest2395836-21dump-pmu-power07:40:011
236491399160,4cyclictest2608454-21ntpq11:00:211
2364911991613,2cyclictest60350irq/132-enp0s29f1:rx-008:00:120
2364911991613,2cyclictest2474472-21kworker/u8:3+events_unbound10:15:130
2364911991613,2cyclictest2411709-21kworker/u8:2+events_unbound07:55:260
2364911991613,2cyclictest2349184-21kworker/u8:1+events_unbound07:15:200
2364911991612,3cyclictest2494861-21kworker/u8:0+events_unbound09:20:250
2364921991513,2cyclictest2349184-21kworker/u8:1+events_unbound07:35:133
2364921991512,2cyclictest2474472-21kworker/u8:3+flush-259:010:20:183
236491699159,4cyclictest252-21systemd-journal09:05:092
236491699159,4cyclictest2406160-21latency_hist07:50:002
236491699158,5cyclictest252-21systemd-journal09:13:112
2364916991511,2cyclictest252-21systemd-journal09:56:112
2364916991510,4cyclictest2479610-21kworker/u8:4+flush-259:009:05:002
236491399159,5cyclictest2620025-21munin-plugin-st11:15:001
236491399159,4cyclictest252-21systemd-journal10:49:101
236491399158,5cyclictest2703741-21grep12:30:251
236491399158,5cyclictest2510637-21tail09:25:241
236491399158,5cyclictest2458749-21tr08:40:131
236491399158,5cyclictest2427486-21cpuspeed_turbos08:10:131
236491399158,5cyclictest2384718-21smartctl07:25:251
236491399157,7cyclictest2423125-21cut08:05:171
236491399157,6cyclictest2599832-21cut10:55:151
236491399157,6cyclictest2469569-21tune2fs08:50:151
236491399157,5cyclictest2370557-21fschecks_count07:15:141
2364913991510,3cyclictest2678007-21grep12:10:001
2364913991510,3cyclictest252-21systemd-journal11:35:001
2364913991510,3cyclictest252-21systemd-journal09:45:011
2364911991513,1cyclictest60350irq/132-enp0s29f1:rx-011:21:470
2364911991513,1cyclictest60350irq/132-enp0s29f1:rx-008:45:230
2364911991513,1cyclictest60350irq/132-enp0s29f1:rx-007:37:240
2364911991512,1cyclictest0-21swapper/011:00:000
2364911991511,3cyclictest2619639-21kworker/u8:4+events_unbound11:30:260
2364911991511,3cyclictest2390656-21cron07:35:000
2364921991412,1cyclictest2689130-21diskstats12:20:143
236491699149,3cyclictest2375293-21kworker/u8:0+flush-259:008:05:152
2364916991411,2cyclictest2656513-21idleruntime-cro11:50:002
2364916991410,3cyclictest2505998-21sh09:25:002
2364916991410,3cyclictest2453220-21kworker/u8:1+flush-259:009:25:352
2364916991410,3cyclictest2349184-21kworker/u8:1+flush-259:007:30:252
236491399149,4cyclictest2364914-21cat07:10:001
236491399149,3cyclictest2551744-21grep10:05:171
236491399149,3cyclictest2390655-21cron07:35:001
236491399148,4cyclictest2563342-21tr10:20:141
236491399148,4cyclictest2558205-21grep10:15:141
236491399148,4cyclictest2511504-21tr09:30:131
236491399148,3cyclictest2365550-21sort07:10:161
236491399147,5cyclictest2416024-21ntpq07:55:231
236491399146,6cyclictest2626019-21irqcore11:20:151
236491399146,6cyclictest2453518-21/usr/sbin/munin08:35:151
236491399146,5cyclictest2678267-21sshd12:10:111
236491399146,5cyclictest2400975-21latency_hist07:45:011
2364913991410,2cyclictest2406146-21idleruntime-cro07:49:591
2364911991412,1cyclictest60350irq/132-enp0s29f1:rx-010:35:250
2364911991411,2cyclictest60350irq/132-enp0s29f1:rx-010:05:120
2364911991411,2cyclictest60350irq/132-enp0s29f1:rx-007:20:120
2364911991410,3cyclictest2688298-21http12:20:000
2364921991311,2cyclictest2349184-21kworker/u8:1+events_unbound07:21:103
2364921991311,1cyclictest0-21swapper/311:30:193
2364921991310,2cyclictest2704220-21kworker/u8:1+events_unbound12:35:163
236491699139,3cyclictest2677687-21kworker/u8:0+flush-259:012:15:242
236491699138,4cyclictest2588852-21kworker/u8:4+flush-259:010:45:172
236491699138,3cyclictest2678236-21/usr/sbin/munin12:10:202
236491699137,4cyclictest2511120-21kworker/u8:2+flush-259:011:10:172
236491699135,6cyclictest2374333-21ntpq07:15:212
2364916991310,2cyclictest2696461-21kthreadcore12:25:182
2364916991310,2cyclictest2436520-21ntp_offset08:15:222
236491399138,3cyclictest2542782-21cut10:00:151
236491399138,3cyclictest2516967-21irqcore09:35:171
236491399137,4cyclictest2375611-21tr07:20:121
236491399134,7cyclictest2708434-21ntpq12:35:211
236492199126,4cyclictest252-21systemd-journal11:46:113
236491699129,2cyclictest2699404-21cpuspeed_turbos12:30:132
236491699129,2cyclictest2396256-21cut07:40:132
236491699128,3cyclictest2578346-21kworker/u8:1+flush-259:010:35:252
236491699128,3cyclictest2375293-21kworker/u8:0+flush-259:008:10:222
236491699128,2cyclictest2384643-21ntpq07:25:232
236491699126,4cyclictest252-21systemd-journal08:55:002
236491699125,5cyclictest2568093-21kworker/u8:0+flush-259:010:40:162
236491699125,5cyclictest2521379-21latency_hist09:40:012
2364916991210,1cyclictest0-21swapper/208:00:002
236492199117,3cyclictest2630388-21kworker/u8:1+events_unbound11:57:183
236491699119,1cyclictest0-21swapper/210:10:132
236491699107,2cyclictest2573543-21cpuspeed_turbos10:30:122
236491699107,1cyclictest0-21swapper/210:20:002
236491699100,4cyclictest26336481kthreadcore11:25:182
23649169991,5cyclictest2365551-21cut07:10:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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