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2026-01-13 - 14:40
[ 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 792 highest latencies:
System rackeslot4s.osadl.org (updated Tue Jan 13, 2026 00:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2296618993225,5cyclictest252-21systemd-journal00:33:052
2296614992925,3cyclictest2504791-21kworker/u8:1+events_unbound22:50:221
2296609992824,3cyclictest2545875-21kworker/u8:1+flush-259:023:25:150
2296623992722,4cyclictest2556136-21latency_hist23:25:003
2296623992622,3cyclictest252-21systemd-journal00:30:013
2296614992622,3cyclictest2566655-21apt-get23:35:121
2296614992622,3cyclictest2306589-21kworker/u8:2+flush-259:019:30:211
2296614992621,3cyclictest2358820-21kworker/u8:0+events_unbound20:45:021
2296623992520,4cyclictest2447680-21kworker/u8:4+events_unbound21:50:033
2296623992519,4cyclictest252-21systemd-journal22:20:013
2296614992523,1cyclictest2525204-21kworker/u8:3+events_unbound00:20:131
2296614992521,3cyclictest2525204-21kworker/u8:3+flush-259:000:33:041
2296614992521,3cyclictest2447680-21kworker/u8:4+flush-259:021:55:211
2296618992419,3cyclictest2520311-21apt-get22:50:112
2296614992420,3cyclictest2545875-21kworker/u8:1+flush-259:023:20:151
2296614992420,3cyclictest2390893-21kworker/u8:1+events_unbound20:55:141
2296614992419,3cyclictest2353895-21/usr/sbin/munin20:05:151
2296618992320,2cyclictest2416847-21kworker/u8:0+flush-259:021:45:312
2296618992319,3cyclictest2473708-21kworker/u8:2+flush-259:022:50:002
2296618992310,3cyclictest2317628-21fschecks_count19:30:122
2296614992316,5cyclictest2504572-21latency_hist22:35:011
2296609992319,3cyclictest2333262-21kworker/u8:3+events_unbound19:50:190
2296609992317,4cyclictest2401130-21latency_hist20:55:000
2296623992218,3cyclictest252-21systemd-journal20:10:003
2296623992217,4cyclictest2546097-21apt-get23:15:123
2296623992217,4cyclictest2364592-21cp20:15:013
2296618992215,5cyclictest2300820-21ntpq19:10:242
2296614992219,2cyclictest2473708-21kworker/u8:2+events_unbound22:25:241
2296614992216,5cyclictest252-21systemd-journal23:19:591
2296614992215,5cyclictest2379895-21latency_hist20:30:021
2296609992219,2cyclictest2447680-21kworker/u8:4+events_unbound22:20:180
2296609992219,2cyclictest211rcuc/022:10:000
2296609992217,4cyclictest2596903-21ntpq00:00:230
2296609992217,4cyclictest2587049-21gpgv23:55:010
2296609992217,4cyclictest2530367-21apt-get23:00:000
2296618992115,4cyclictest2608430-21diskstats00:15:142
2296618992114,5cyclictest252-21systemd-journal22:45:012
2296614992118,2cyclictest3403406-21kworker/u8:3+flush-259:019:10:191
2296614992117,3cyclictest2525204-21kworker/u8:3+flush-259:000:35:181
2296614992117,3cyclictest2504791-21kworker/u8:1+events_unbound22:35:231
2296614992117,3cyclictest2333262-21kworker/u8:3+events_unbound20:15:131
2296614992115,4cyclictest2478829-21latency_hist22:10:001
2296609992119,1cyclictest0-21swapper/000:19:590
2296609992117,3cyclictest2400846-21kworker/u8:3+flush-259:021:15:200
2296609992114,5cyclictest2498547-21ntpq22:25:210
2296623992016,3cyclictest2370214-21kworker/u8:1+flush-259:020:20:193
2296614992017,2cyclictest2530972-21kworker/u8:0+flush-259:023:10:131
2296614992017,2cyclictest2447680-21kworker/u8:4+events_unbound21:55:001
2296614992017,2cyclictest0-21swapper/120:15:001
2296614992016,3cyclictest2530972-21kworker/u8:0+flush-259:023:05:221
2296614992016,3cyclictest2530972-21kworker/u8:0+events_unbound00:00:291
2296614992016,3cyclictest2400846-21kworker/u8:3+events_unbound21:38:291
2296614992016,3cyclictest2400846-21kworker/u8:3+events_unbound21:38:281
2296614992016,3cyclictest2390893-21kworker/u8:1+events_unbound21:25:221
2296614992016,3cyclictest2358820-21kworker/u8:0+events_unbound20:47:281
2296609992016,3cyclictest252-21systemd-journal21:42:360
2296623991914,4cyclictest2312273-21apt-get19:25:113
2296614991915,3cyclictest2587047-21kworker/u8:1+flush-259:023:55:261
2296614991915,3cyclictest2587047-21kworker/u8:1+flush-259:023:55:251
2296614991915,3cyclictest2473708-21kworker/u8:2+events_unbound22:57:291
2296614991915,3cyclictest2379586-21kworker/u8:2+events_unbound20:50:171
2296609991916,2cyclictest2504791-21kworker/u8:1+events_unbound22:55:020
2296623991816,1cyclictest2297226-21irqcore19:10:213
2296623991815,2cyclictest2473708-21kworker/u8:2+flush-259:022:35:143
2296623991814,3cyclictest2400846-21kworker/u8:3+flush-259:021:15:233
2296623991814,3cyclictest2390893-21kworker/u8:1+events_unbound21:10:133
2296623991812,5cyclictest252-21systemd-journal00:15:003
2296623991811,5cyclictest2415789-21ntpq21:05:223
2296618991814,3cyclictest2447680-21kworker/u8:4+flush-259:022:30:002
2296618991814,2cyclictest0-21swapper/223:05:002
2296614991815,2cyclictest2525204-21kworker/u8:3+events_unbound23:27:501
2296614991814,3cyclictest2306589-21kworker/u8:2+flush-259:019:25:311
2296614991813,4cyclictest2447714-21apt-get21:40:131
2296614991811,5cyclictest2322993-21/usr/sbin/munin19:35:131
2296609991816,1cyclictest2628420-21fwupd00:32:590
2296609991815,2cyclictest2525204-21kworker/u8:3+flush-259:023:14:590
2296609991814,3cyclictest2504791-21kworker/u8:1+flush-259:022:35:220
2296609991814,3cyclictest2306589-21kworker/u8:2+flush-259:019:45:210
229662399170,16cyclictest1-21systemd22:05:013
229661899177,8cyclictest252-21systemd-journal21:20:002
229661899172,9cyclictest2317203-21munin-run19:30:002
2296618991714,2cyclictest2473649-21cron22:05:012
2296618991714,2cyclictest2351075-21kthreadcore20:00:192
2296618991714,2cyclictest0-21swapper/220:00:002
2296618991713,3cyclictest2633896-21gpgv00:40:002
2296618991713,2cyclictest0-21swapper/222:15:002
2296618991712,3cyclictest2395998-21sh20:49:592
2296618991710,4cyclictest2525204-21kworker/u8:3+flush-259:000:14:592
2296614991714,2cyclictest2400846-21kworker/u8:3+events_unbound21:05:131
2296614991714,2cyclictest2370214-21kworker/u8:1+flush-259:020:20:211
2296614991714,2cyclictest2312031-21kworker/u8:1+events_unbound19:41:191
2296614991713,3cyclictest2473708-21kworker/u8:2+events_unbound22:15:221
2296614991713,3cyclictest2447680-21kworker/u8:4+flush-259:022:00:201
2296614991713,3cyclictest2306589-21kworker/u8:2+events_unbound19:20:131
2296614991713,3cyclictest2306589-21kworker/u8:2+events_unbound19:20:131
2296614991711,4cyclictest2452850-21/usr/sbin/munin21:45:151
2296609991714,2cyclictest60350irq/132-enp0s29f1:rx-022:30:210
2296609991714,2cyclictest60350irq/132-enp0s29f1:rx-022:15:150
2296609991714,2cyclictest60350irq/132-enp0s29f1:rx-019:11:030
2296609991714,2cyclictest60350irq/132-enp0s29f1:rx-000:25:570
2296609991713,3cyclictest60350irq/132-enp0s29f1:rx-023:39:120
2296609991713,3cyclictest2458317-21gpgv21:50:010
2296609991713,3cyclictest2333262-21kworker/u8:3+flush-259:020:00:210
229662399169,5cyclictest2545831-21latency_hist23:15:013
2296623991613,2cyclictest2545875-21kworker/u8:1+flush-259:023:25:223
2296623991613,1cyclictest0-21swapper/320:50:003
2296623991612,3cyclictest2597693-21kworker/u8:2+flush-259:000:20:233
2296623991612,3cyclictest2571820-21apt-get23:40:133
2296623991612,3cyclictest2306589-21kworker/u8:2+events_unbound19:55:153
2296623991611,4cyclictest2296513-21latency_hist19:10:003
229661899168,5cyclictest2581865-21latency_hist23:50:002
2296618991612,3cyclictest2525204-21kworker/u8:3+flush-259:023:55:052
2296618991612,3cyclictest2525204-21kworker/u8:3+flush-259:023:55:052
2296618991610,4cyclictest252-21systemd-journal21:05:002
2296614991613,3cyclictest2306589-21kworker/u8:2+events_unbound20:04:201
2296614991613,3cyclictest2306589-21kworker/u8:2+events_unbound19:55:231
2296614991612,3cyclictest2581479-21kworker/u8:2+events_unbound23:47:291
2296614991612,3cyclictest2525204-21kworker/u8:3+events_unbound00:15:241
2296614991610,4cyclictest2597967-21/usr/sbin/munin00:05:151
2296609991614,1cyclictest60350irq/132-enp0s29f1:rx-022:40:190
2296609991614,1cyclictest60350irq/132-enp0s29f1:rx-021:59:250
2296609991614,1cyclictest60350irq/132-enp0s29f1:rx-020:19:520
2296609991614,1cyclictest60350irq/132-enp0s29f1:rx-019:59:260
2296609991613,2cyclictest60350irq/132-enp0s29f1:rx-022:10:180
2296609991613,2cyclictest60350irq/132-enp0s29f1:rx-020:36:280
2296609991613,1cyclictest0-21swapper/023:25:000
2296609991611,4cyclictest252-21systemd-journal00:09:590
2296623991513,1cyclictest2442972-21irqcore21:35:163
2296623991513,1cyclictest2442972-21irqcore21:35:153
2296623991511,3cyclictest2306589-21kworker/u8:2+events_unbound19:40:223
229661899158,5cyclictest2312013-21latency_hist19:25:012
229661899158,5cyclictest2312013-21latency_hist19:25:012
2296618991512,2cyclictest61350irq/137-enp0s29f1:tx-221:25:112
2296618991511,3cyclictest2597236-21unixbench_multi00:00:272
2296618991511,3cyclictest2400846-21kworker/u8:3+flush-259:021:30:042
229661499159,4cyclictest2380135-21/usr/sbin/munin20:30:151
2296614991512,2cyclictest2587402-21apt-key23:55:011
2296614991512,2cyclictest2530972-21kworker/u8:0+flush-259:023:40:201
2296614991511,3cyclictest2545875-21kworker/u8:1+events_unbound23:30:111
2296614991511,3cyclictest2416847-21kworker/u8:0+events_unbound21:30:161
2296614991511,3cyclictest2400846-21kworker/u8:3+events_unbound21:04:301
2296614991511,3cyclictest2390893-21kworker/u8:1+flush-259:021:10:201
2296614991511,3cyclictest2390893-21kworker/u8:1+events_unbound21:22:301
229660999159,4cyclictest2457747-21latency_hist21:50:000
2296609991513,1cyclictest60350irq/132-enp0s29f1:rx-023:02:290
2296609991513,1cyclictest60350irq/132-enp0s29f1:rx-021:24:590
2296609991513,1cyclictest60350irq/132-enp0s29f1:rx-021:10:150
2296609991513,1cyclictest60350irq/132-enp0s29f1:rx-020:41:500
2296609991513,1cyclictest60350irq/132-enp0s29f1:rx-019:35:230
2296609991513,1cyclictest60350irq/132-enp0s29f1:rx-019:20:230
2296609991513,1cyclictest60350irq/132-enp0s29f1:rx-019:20:230
2296609991513,1cyclictest60350irq/132-enp0s29f1:rx-019:15:150
2296609991513,1cyclictest0-21swapper/021:04:590
2296609991512,2cyclictest61150irq/133-enp0s29f1:tx-021:35:240
2296609991512,2cyclictest61150irq/133-enp0s29f1:tx-021:35:240
2296609991512,2cyclictest60350irq/132-enp0s29f1:rx-023:30:200
2296609991512,2cyclictest60350irq/132-enp0s29f1:rx-021:33:260
2296609991512,2cyclictest60350irq/132-enp0s29f1:rx-020:55:150
2296609991512,2cyclictest60350irq/132-enp0s29f1:rx-019:25:120
2296609991512,2cyclictest60350irq/132-enp0s29f1:rx-000:20:180
2296609991511,3cyclictest2504791-21kworker/u8:1+events_unbound22:45:140
229662399148,5cyclictest2613167-21latency_hist00:20:013
2296623991412,1cyclictest0-21swapper/321:45:003
2296623991410,3cyclictest2504791-21kworker/u8:1+flush-259:022:55:253
2296623991410,3cyclictest2457988-21store21:50:003
229661899149,3cyclictest2396273-21apt-get20:50:112
2296618991411,2cyclictest2547114-21kthreadcore23:15:172
2296618991410,3cyclictest252-21systemd-journal20:19:182
229661899140,8cyclictest2421756-21munin-run21:15:012
2296614991412,1cyclictest2473708-21kworker/u8:2+events_unbound22:20:281
2296614991410,3cyclictest2327920-21kworker/u8:0+events_unbound19:47:201
2296614991410,3cyclictest2306589-21kworker/u8:2+events_unbound19:53:201
2296609991412,2cyclictest61150irq/133-enp0s29f1:tx-023:40:190
2296609991412,1cyclictest60350irq/132-enp0s29f1:rx-023:55:170
2296609991412,1cyclictest60350irq/132-enp0s29f1:rx-023:55:160
2296609991412,1cyclictest60350irq/132-enp0s29f1:rx-021:25:130
2296609991412,1cyclictest60350irq/132-enp0s29f1:rx-020:34:250
2296609991412,1cyclictest60350irq/132-enp0s29f1:rx-020:25:170
2296609991412,1cyclictest60350irq/132-enp0s29f1:rx-020:20:230
2296609991412,1cyclictest60350irq/132-enp0s29f1:rx-020:12:140
2296609991412,1cyclictest60350irq/132-enp0s29f1:rx-019:30:230
2296609991411,2cyclictest2571784-21kworker/u8:1+flush-259:023:45:160
229662399139,3cyclictest2525204-21kworker/u8:3+events_unbound23:05:193
229662399139,3cyclictest2333262-21kworker/u8:3+flush-259:020:25:193
2296623991311,1cyclictest0-21swapper/322:45:003
2296623991311,1cyclictest0-21swapper/319:35:003
229662399131,10cyclictest2363959-21apt20:15:003
2296623991310,2cyclictest2592917-21cpuspeed_turbos00:00:143
2296623991310,2cyclictest2561918-21irqcore23:30:143
2296623991310,2cyclictest2525204-21kworker/u8:3+events_unbound00:05:253
2296623991310,2cyclictest2390893-21kworker/u8:1+flush-259:021:20:163
229661899138,4cyclictest2447680-21kworker/u8:4+flush-259:022:34:012
229661899138,3cyclictest252-21systemd-journal22:20:012
2296618991310,2cyclictest2380576-21irqcore20:30:172
229661499139,3cyclictest2473708-21kworker/u8:2+events_unbound23:00:131
2296614991310,2cyclictest3403406-21kworker/u8:3+events_unbound19:15:201
2296614991310,2cyclictest2597693-21kworker/u8:2+flush-259:000:10:211
2296609991311,2cyclictest60350irq/132-enp0s29f1:rx-020:08:290
2296609991311,1cyclictest60350irq/132-enp0s29f1:rx-023:17:490
2296609991311,1cyclictest0-21swapper/020:49:590
2296609991310,2cyclictest2971-21cron22:05:000
2296609991310,2cyclictest2400846-21kworker/u8:3+flush-259:021:05:150
229662399129,2cyclictest0-21swapper/321:30:153
229662399129,1cyclictest2387990-21sshd20:35:183
229662399129,1cyclictest0-21swapper/323:55:273
229662399129,1cyclictest0-21swapper/323:55:263
229662399127,4cyclictest2370214-21kworker/u8:1+flush-259:020:30:353
2296623991210,1cyclictest0-21swapper/321:00:003
229662399120,2cyclictest2437141-21awk21:30:013
229661899129,2cyclictest2342870-21unixbench_multi19:50:252
229661899128,3cyclictest3403406-21kworker/u8:3+flush-259:019:15:162
229661899128,3cyclictest2379586-21kworker/u8:2+flush-259:020:30:002
229661899128,2cyclictest0-21swapper/222:20:202
229661899125,5cyclictest252-21systemd-journal21:00:002
2296618991210,1cyclictest0-21swapper/220:10:162
229661899120,6cyclictest2338203-21munin-run19:50:012
229661899120,4cyclictest2566394-21latency_hist23:35:002
229660999129,2cyclictest60350irq/132-enp0s29f1:rx-019:40:140
229660999129,2cyclictest60350irq/132-enp0s29f1:rx-000:10:200
229660999128,3cyclictest2525204-21kworker/u8:3+flush-259:000:35:170
229662399118,2cyclictest2530703-21cpuspeed_turbos23:00:143
229662399118,2cyclictest2479156-21cpuspeed_turbos22:10:113
229662399117,2cyclictest0-21swapper/320:50:173
229662399115,4cyclictest2463752-21df21:55:133
229662399110,9cyclictest2306839-21awk19:20:003
229661899118,2cyclictest0-21swapper/223:45:002
229661899118,1cyclictest0-21swapper/223:50:262
229661899115,4cyclictest490-21dbus-daemon20:45:012
229661499118,2cyclictest2447680-21kworker/u8:4+events_unbound22:10:121
229662399108,1cyclictest0-21swapper/319:20:163
229662399108,1cyclictest0-21swapper/319:20:163
229662399107,2cyclictest2306589-21kworker/u8:2+flush-259:020:00:173
229662399107,2cyclictest0-21swapper/319:50:183
229661899104,4cyclictest252-21systemd-journal23:25:002
229661499108,1cyclictest0-21swapper/122:40:141
22966239996,2cyclictest0-21swapper/322:30:213
22966239995,3cyclictest2390708-21sshd20:43:283
22966239994,3cyclictest2577322-21/usr/sbin/munin23:45:153
22966189996,2cyclictest0-21swapper/223:05:132
22966189991,4cyclictest2446626-21ntpq21:35:232
22966189991,4cyclictest2446626-21ntpq21:35:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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