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2026-02-22 - 22:13
[ 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 #7, slot #7

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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot7s.osadl.org (updated Sun Feb 22, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19439210188,9sleep00-21swapper/007:07:250
1947229773,19sleep10-21swapper/107:07:511
1950328568,13sleep20-21swapper/207:08:172
1947928469,10sleep30-21swapper/307:07:573
219162520,0sleep10-21swapper/110:31:371
1972499260,26cyclictest0-21swapper/210:16:322
1972999250,2cyclictest0-21swapper/312:25:523
1972499230,21cyclictest0-21swapper/212:00:482
1972499230,21cyclictest0-21swapper/210:59:372
19718992321,1cyclictest12538-21diskmemload09:10:171
1971899230,1cyclictest0-21swapper/112:13:381
1971899230,1cyclictest0-21swapper/109:38:251
1972999220,4cyclictest0-21swapper/309:14:253
1971899210,2cyclictest0-21swapper/108:05:151
1972999204,12cyclictest5876-21/usr/sbin/munin11:20:183
19724992018,2cyclictest32-21ksoftirqd/210:27:062
1971699200,0cyclictest0-21swapper/011:19:410
1972499190,1cyclictest141rcu_preempt12:35:082
1972499190,18cyclictest0-21swapper/209:50:252
19718991917,2cyclictest0-21swapper/111:31:501
1971899190,1cyclictest0-21swapper/111:51:381
1971899190,18cyclictest0-21swapper/110:07:321
1972999184,8cyclictest12538-21diskmemload09:20:013
19729991815,2cyclictest39-21ksoftirqd/312:35:243
1972499180,2cyclictest0-21swapper/210:40:052
1972499180,1cyclictest0-21swapper/211:01:402
1971899180,2cyclictest0-21swapper/111:56:511
1971899180,1cyclictest0-21swapper/111:26:421
1971899180,1cyclictest0-21swapper/109:33:231
1972499170,16cyclictest0-21swapper/210:24:252
1972499170,15cyclictest0-21swapper/210:00:522
1972499170,0cyclictest141rcu_preempt10:37:062
1971899170,8cyclictest0-21swapper/110:10:511
1971899170,17cyclictest0-21swapper/110:03:161
1971699175,6cyclictest906-21munin-run12:34:590
1971699175,6cyclictest0-21swapper/012:25:210
1972499166,3cyclictest0-21swapper/211:20:222
19724991613,2cyclictest32-21ksoftirqd/207:45:012
19724991611,4cyclictest9170-21kworker/u8:111:32:242
1972499160,16cyclictest0-21swapper/212:06:222
1972499160,0cyclictest141rcu_preempt10:34:032
19718991615,1cyclictest0-21swapper/111:38:101
1971899160,16cyclictest0-21swapper/112:03:411
1971699162,13cyclictest8827-21apache_processe12:20:140
19716991615,1cyclictest0-21swapper/010:00:140
1971699160,5cyclictest225-21systemd-journal10:35:000
19729991511,3cyclictest550-21lldpd12:12:203
19729991511,3cyclictest23786-21apt-config12:10:003
1972499155,3cyclictest32-21ksoftirqd/212:13:262
1972499153,5cyclictest141rcu_preempt10:09:542
19724991513,1cyclictest32-21ksoftirqd/209:44:242
19724991512,3cyclictest32-21ksoftirqd/209:25:012
19724991512,3cyclictest32-21ksoftirqd/209:25:002
1972499150,14cyclictest0-21swapper/209:29:362
1971899150,2cyclictest13161-21ssh12:22:171
1971899150,2cyclictest0-21swapper/111:04:261
1971699156,5cyclictest225-21systemd-journal10:30:010
1972999148,3cyclictest12538-21diskmemload11:15:563
19729991413,1cyclictest0-21swapper/310:59:433
19729991410,3cyclictest9724-21grep09:00:283
19729991410,3cyclictest6963-21cut07:50:143
19724991412,2cyclictest32-21ksoftirqd/212:21:272
1972499141,12cyclictest26374-21tail12:30:182
19724991410,3cyclictest32-21ksoftirqd/212:25:122
1972499140,14cyclictest0-21swapper/209:58:012
1971899148,6cyclictest22197-21sh11:49:581
1971899143,5cyclictest0-21swapper/109:20:141
1971899143,5cyclictest0-21swapper/109:20:131
1971899142,2cyclictest0-21swapper/110:45:001
1971899142,1cyclictest12538-21diskmemload11:07:591
19718991413,1cyclictest0-21swapper/109:56:111
19718991412,1cyclictest0-21swapper/109:51:591
1971899140,14cyclictest0-21swapper/112:26:311
1971899140,14cyclictest0-21swapper/109:41:151
1971699141,6cyclictest8981-21munin-run07:55:000
19716991411,2cyclictest31214-21/usr/sbin/munin11:55:190
19716991410,3cyclictest25492-21chrt12:10:190
1971699140,13cyclictest8988-21uname09:00:190
1972999139,3cyclictest21707-21wc11:10:203
1972999139,3cyclictest21255-21wc10:50:283
1972999139,2cyclictest18679-21wc10:10:263
19729991310,2cyclictest8875-21grep10:05:163
19729991310,2cyclictest8042-21cron10:04:593
19729991310,2cyclictest7353-21tr09:25:203
19729991310,2cyclictest686-21wc09:40:253
19729991310,2cyclictest25279-21wc09:55:193
1972999130,1cyclictest0-21swapper/311:46:223
1972999130,12cyclictest0-21swapper/310:26:383
1972499139,3cyclictest31967-21grep11:35:252
19724991311,1cyclictest11722sleep208:45:162
19724991310,2cyclictest7773-21turbostat08:59:592
19724991310,2cyclictest706-21grep11:55:252
19724991310,2cyclictest6098-21grep07:45:282
19724991310,2cyclictest19847-21tr10:50:172
19724991310,2cyclictest15033-21grep09:10:262
19724991310,2cyclictest11958-21sed10:45:172
1972499130,13cyclictest0-21swapper/211:41:192
1972499130,12cyclictest15128-21head11:45:162
1972499130,12cyclictest0-21swapper/210:12:522
1971899137,3cyclictest38150irq/131-snd_hda11:15:031
19718991311,2cyclictest0-21swapper/110:21:001
19718991311,1cyclictest20204-21cut10:50:191
1971899130,2cyclictest0-21swapper/112:18:391
1971899130,12cyclictest11663-21cut08:00:131
1971699139,3cyclictest4618-21grep10:40:260
1971699139,3cyclictest1426-21basename10:20:150
1971699134,8cyclictest29659-21perf09:20:010
1971699134,4cyclictest22375-21df_abs11:30:160
1971699132,3cyclictest0-21swapper/007:20:140
1971699131,7cyclictest0-21swapper/011:14:590
19716991312,1cyclictest20789-21apache210:13:360
19716991310,2cyclictest8441-21ssh10:05:070
19716991310,2cyclictest7701-21ssh09:25:250
19716991310,2cyclictest30995-21sed09:20:180
19716991310,2cyclictest30995-21sed09:20:170
19716991310,2cyclictest17026-21cut12:05:190
19716991310,2cyclictest17008-21awk09:50:210
1972999129,2cyclictest9538-21cut12:20:183
1972999129,2cyclictest7673-21tr12:00:133
1972999129,2cyclictest30950-21grep11:35:163
1972999129,2cyclictest30398-21cut07:30:183
1972999129,2cyclictest22907-21sed08:20:283
1972999129,2cyclictest14889-21tr09:30:153
1972999129,2cyclictest14276-21cut11:25:203
1972999128,3cyclictest30468-21tr09:20:153
1972999128,3cyclictest30468-21tr09:20:143
1972999127,4cyclictest39-21ksoftirqd/311:55:023
1972999125,4cyclictest15725-21apache_processe09:50:123
1972999120,1cyclictest0-21swapper/309:47:343
1972499129,2cyclictest32-21ksoftirqd/208:19:592
1972499129,2cyclictest30392-21tr11:15:202
1972499129,2cyclictest28406-21apt11:14:592
1972499129,2cyclictest14930-21tr09:30:152
1972499129,2cyclictest10842-21grep07:55:272
1972499129,2cyclictest0-21swapper/211:50:232
19724991210,1cyclictest32-21ksoftirqd/209:36:002
1971899129,2cyclictest6816-21grep11:40:181
1971899129,2cyclictest28109-21grep10:35:221
1971899129,2cyclictest27588-21sed08:30:261
1971899129,2cyclictest21709-21cat07:10:251
1971899129,2cyclictest1598-21tr12:35:151
1971899128,3cyclictest11796-21grep10:25:271
19718991210,1cyclictest23845-21grep08:25:141
19718991210,1cyclictest12538-21diskmemload10:46:051
19718991210,1cyclictest10887-21grep07:55:271
1971899120,12cyclictest0-21swapper/109:28:261
1971899120,11cyclictest26962-21ssh11:13:511
1971699129,2cyclictest8083-21grep09:45:160
1971699129,2cyclictest6264-21cat11:20:210
1971699129,2cyclictest5920-21grep08:55:150
1971699129,2cyclictest4660-21grep11:00:170
1971699129,2cyclictest3079-21sed08:50:010
1971699129,2cyclictest29867-21tr07:30:150
1971699129,2cyclictest28600-21ls07:25:230
1971699129,2cyclictest26891-21grep10:35:140
1971699129,2cyclictest22343-21munin-plugin-st07:15:000
1971699129,2cyclictest20937-21latency_hist08:19:590
1971699129,2cyclictest15195-21sed11:45:170
1971699129,2cyclictest111142sleep010:45:110
1971699129,2cyclictest1050-21grep12:15:160
1971699127,4cyclictest22988-21/usr/sbin/munin09:35:210
1971699120,9cyclictest29740-21python08:35:250
1971699120,11cyclictest24218-21grep07:15:260
1971699120,11cyclictest11906-21tr08:00:150
1972999118,2cyclictest7652-21ssh11:01:523
1972999118,2cyclictest6648-21chrt11:40:173
1972999118,2cyclictest5051-21ssh10:21:463
1972999118,2cyclictest4442-21taskset08:50:223
1972999118,2cyclictest31948-21cut08:40:223
1972999118,2cyclictest29063-21grep08:35:163
1972999118,2cyclictest25874-21ssh10:34:453
1972999118,2cyclictest25406-21ssh11:50:573
1972999118,2cyclictest25322-21basename10:15:093
1972999118,2cyclictest24922-21which08:25:213
1972999118,2cyclictest24116-21uname09:35:203
1972999118,2cyclictest2246-21cut07:40:143
1972999118,2cyclictest2080-21sort12:15:273
1972999118,2cyclictest18370-21ssh11:08:413
1972999118,2cyclictest17135-21cut08:10:153
1972999118,2cyclictest13847-21wc08:04:593
1972999118,2cyclictest12342-21needreboot10:45:203
1972999117,3cyclictest27386-21wc08:30:263
1972999117,3cyclictest26602-21wc12:30:203
1972999117,2cyclictest28487-21ssh10:35:263
1972999116,3cyclictest12527-21cron09:09:593
1972499118,2cyclictest8174-21ssh09:45:172
1972499118,2cyclictest8009-21chrt09:00:032
1972499118,2cyclictest29095-21tail08:35:162
1972499118,2cyclictest24265-21tail07:15:272
1972499118,2cyclictest15020-21ssh11:25:262
1972499118,2cyclictest1108-21cut12:15:162
1972499111,7cyclictest21367-21gpgconf09:15:012
1972499111,6cyclictest12063-21grep09:05:262
1972499110,10cyclictest13337-21grep11:05:192
1971899119,1cyclictest26201-21uniq12:30:171
1971899119,1cyclictest22109-21ls09:15:161
1971899118,3cyclictest27095-21taskset07:24:531
1971899118,2cyclictest8957-21cron07:55:001
1971899118,2cyclictest6018-21expr08:55:141
1971899118,2cyclictest27674-21tr07:25:161
1971899118,2cyclictest23488-21cat08:25:001
1971899118,2cyclictest18858-21grep08:15:131
1971899118,2cyclictest10152-21ssh11:22:511
1971899117,1cyclictest9397-21basename09:00:241
1971899110,10cyclictest9338-21ssh09:45:271
1971899110,10cyclictest17277-21grep12:05:221
1971699118,2cyclictest3466-21ssh12:35:290
1971699118,2cyclictest30897-21grep11:35:150
1971699118,2cyclictest30822-21sh10:56:080
1971699118,2cyclictest26402-21expr08:30:150
1971699118,2cyclictest24443-21grep09:55:140
1971699118,2cyclictest24094-21awk11:50:220
1971699118,2cyclictest2310-21ssh09:41:300
1971699118,2cyclictest16924-21df08:10:150
1971699118,2cyclictest16008-21sh11:25:550
1971699118,2cyclictest14920-21cut09:30:140
1971699118,2cyclictest13287-21wc11:05:180
1971699118,2cyclictest10299-21cat07:55:200
1971699117,3cyclictest6921-21wc11:40:190
1971699115,2cyclictest225-21systemd-journal07:40:000
1971699110,10cyclictest26610-21uname10:15:190
1971699110,10cyclictest22372-21ssh10:51:050
1972999108,1cyclictest826-21grep07:35:203
1972999108,1cyclictest269322sleep307:22:463
1972999108,1cyclictest2497-21chrt08:46:133
1972999108,1cyclictest22118-21taskset07:12:203
1972999108,1cyclictest193432sleep308:15:163
1972999107,2cyclictest5688-21cut08:55:133
1972999107,2cyclictest3211-21cat10:40:143
1972999107,2cyclictest27965-21taskset07:25:193
1972999107,2cyclictest24266-21sed07:15:273
1972999107,2cyclictest21749-21apache_accesses11:30:123
1972999100,7cyclictest9482-21cpuspeed_turbos07:55:153
1972499108,1cyclictest6815-21taskset07:50:012
1972499108,1cyclictest4313-21wc08:50:212
1972499108,1cyclictest315622sleep207:31:122
1972499108,1cyclictest24569-21cat08:25:182
1972499108,1cyclictest23309-21cat08:24:552
1972499108,1cyclictest18167-21taskset08:11:002
1972499107,2cyclictest397-21grep07:35:162
1972499107,2cyclictest30978-21expr08:40:152
1972499107,2cyclictest27120-21ls07:25:002
1972499107,2cyclictest26824-21cat08:30:182
1972499107,2cyclictest14778-21grep08:05:172
1972499107,2cyclictest12850-21tr08:00:212
1971899108,2cyclictest3903-21taskset07:41:041
1971899108,2cyclictest16672-21cat08:10:141
1971899108,2cyclictest12417-21chrt09:08:401
1971899108,1cyclictest719-21wget08:45:141
1971899108,1cyclictest30886-21ntp_kernel_pll_07:30:221
1971899108,1cyclictest27961-21ssh10:15:531
1971899107,2cyclictest453-21grep07:35:171
1971899107,2cyclictest22849-21grep07:15:151
1971899102,2cyclictest225-21systemd-journal08:40:001
1971899100,9cyclictest27736-21ssh10:55:051
1971899100,2cyclictest225-21systemd-journal08:55:001
1971699108,1cyclictest7482-21cut12:00:130
1971699108,1cyclictest30701-21taskset08:40:060
1971699108,1cyclictest15011-21cat08:05:190
1971699107,2cyclictest6586-21cron07:50:010
1971699107,2cyclictest24813-21grep08:25:220
1971699107,2cyclictest22526-21rt-features08:20:240
1971699107,2cyclictest14341-21ntpq09:10:190
197299997,1cyclictest4545-21grep07:45:153
197299996,2cyclictest14511-21sed08:05:163
197249997,1cyclictest27507-21cut07:25:172
197249997,1cyclictest20891-21cut07:10:162
197189998,1cyclictest32539-21taskset08:41:101
197189997,1cyclictest5173-21cut07:45:191
197169997,1cyclictest3112-21mktemp08:50:010
197169997,1cyclictest11256-21cat09:05:180
197169991,4cyclictest0-21swapper/007:41:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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