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2026-01-18 - 19:35
[ 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 #c, 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 100 highest latencies:
System rackcslot7s.osadl.org (updated Sun Jan 18, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20285722050,9sleep0202829-21munin-run07:10:000
20588721080,5sleep3411rcuc/307:15:183
2171632800,13chrt341ksoftirqd/207:50:182
2453622780,4sleep00-21swapper/009:15:240
20276927640,14sleep30-21swapper/307:09:323
197399740,59rtkit-daemon0-21swapper/207:08:332
197399730,6rtkit-daemon4497-21PK-Backend09:09:562
197399730,6rtkit-daemon4497-21PK-Backend09:09:562
197399730,6rtkit-daemon4497-21PK-Backend08:47:472
2711712720,7sleep34497-21PK-Backend10:30:083
197399710,5rtkit-daemon4497-21PK-Backend08:38:452
197399700,6rtkit-daemon4497-21PK-Backend09:22:332
2303662680,8chrt34-21ksoftirqd/208:30:232
20278226444,14sleep10-21swapper/107:09:421
202948996019,36cyclictest923-21dbus-daemon09:40:012
2330682580,6sleep3411rcuc/308:40:023
197399580,9rtkit-daemon1972-21rtkit-daemon12:13:171
197399580,9rtkit-daemon1972-21rtkit-daemon11:42:351
197399580,8rtkit-daemon1972-21rtkit-daemon12:37:240
197399580,10rtkit-daemon1972-21rtkit-daemon10:04:051
202948995718,34cyclictest302684-21date12:00:022
197399570,9rtkit-daemon1972-21rtkit-daemon11:55:501
197399570,9rtkit-daemon1972-21rtkit-daemon09:36:001
197399560,9rtkit-daemon1972-21rtkit-daemon12:05:021
202948995514,35cyclictest254651-21cat09:40:302
2957702540,5sleep20-21swapper/211:40:142
20294899549,40cyclictest265768-20journal-offline10:15:022
202948995418,31cyclictest234200-21sort08:40:282
202948995413,37cyclictest257658-21expr09:50:132
202948995413,36cyclictest238015-21expr08:55:102
202948995412,36cyclictest290403-21sort11:25:132
197399540,8rtkit-daemon1972-21rtkit-daemon12:01:321
197399540,8rtkit-daemon1972-21rtkit-daemon10:35:160
3125882530,5sleep00-21swapper/012:25:280
202948995320,29cyclictest210341-21latency_hist07:30:022
202948995317,31cyclictest287141-21ls11:15:122
20294899522,8cyclictest225549-40lsb_release08:17:062
202948995218,29cyclictest280028-21grep10:55:132
20294899518,26cyclictest974-21in:imuxsock07:50:002
202948995116,30cyclictest203693-21latency07:10:212
202948995115,31cyclictest242895-21awk09:10:082
20294899511,45cyclictest221300-21ntpq08:05:242
202948995113,32cyclictest268946-21sshd10:21:572
202948995112,34cyclictest215183-21timerwakeupswit07:40:292
202948995110,10cyclictest255670-21expr09:45:142
202948995017,29cyclictest4497-21PK-Backend11:36:042
202948995017,29cyclictest4497-21PK-Backend07:17:392
202948995017,28cyclictest1137-21runrttasks07:20:422
202948995015,31cyclictest1137-21runrttasks11:24:592
202948995014,32cyclictest251071-21timerandwakeup09:30:302
2959272490,7chrt0-21swapper/311:40:193
2847962490,9sleep234-21ksoftirqd/211:09:552
202948994916,29cyclictest237491-21latency_hist08:55:012
202948994915,30cyclictest269581-21cpuspeed_turbos10:25:142
202948994915,30cyclictest1137-21runrttasks07:27:022
20294899488,11cyclictest240436-21cat09:00:312
20294899485,39cyclictest1137-21runrttasks10:46:522
202948994817,28cyclictest4497-21PK-Backend11:01:432
202948994816,27cyclictest273143-21cstates10:35:152
202948994814,30cyclictest226531-21cstates08:20:132
202948994814,30cyclictest1137-21runrttasks09:58:102
202948994813,31cyclictest308761-21processes12:15:272
20294899472,14cyclictest285961-21python311:10:292
202948994714,29cyclictest261221-21idleruntime10:00:182
202948994714,28cyclictest313503-21cpuspeed12:30:112
202948994711,11cyclictest311987-21expr12:25:132
20294899462,16cyclictest278522-21runrttasks10:50:182
202948994612,29cyclictest2069-21gnome-shell08:04:092
20294899461,14cyclictest438-20systemd-journal09:30:012
202948994611,32cyclictest0-21swapper/208:15:012
202948994516,25cyclictest924-21NetworkManager11:53:432
202948994512,29cyclictest4497-21PK-Backend10:31:452
20294899451,16cyclictest307796-21cat12:15:022
202943994520,8cyclictest26-21ksoftirqd/110:30:021
2359612440,7sleep3235967-21needreboot08:45:213
202950994427,13cyclictest223776-21apt-get08:15:003
20294899449,7cyclictest1137-21runrttasks12:39:282
20294899447,7cyclictest956-21systemd-logind09:20:012
20294899445,10cyclictest0-21swapper/208:25:192
202943994420,20cyclictest26-21ksoftirqd/107:25:111
197399440,30rtkit-daemon0-21swapper/309:30:163
2419502430,8sleep00-21swapper/009:05:260
2419502430,8sleep00-21swapper/009:05:260
202948994315,24cyclictest1137-21runrttasks12:01:572
20294899431,15cyclictest305988-21systemd12:10:022
20294899431,12cyclictest266298-21expr10:15:152
20294899431,11cyclictest297386-21tr11:45:132
197399430,34rtkit-daemon202934-21cyclictest10:10:281
2525992420,5sleep3411rcuc/309:35:233
2138972420,7sleep30-21swapper/307:40:013
202950994223,14cyclictest42-21ksoftirqd/310:59:593
20294899421,13cyclictest293429-21taskset11:34:352
20294899421,11cyclictest276334-21latency_hist10:45:022
20294899421,11cyclictest263204-21grep10:05:232
20294899421,11cyclictest212958-21wc07:35:212
20294399427,19cyclictest26-21ksoftirqd/108:45:021
202943994231,7cyclictest297181-21/usr/sbin/munin11:45:181
202943994229,9cyclictest26-21ksoftirqd/107:12:171
202940994232,7cyclictest13-21ksoftirqd/009:10:140
202940994227,10cyclictest13-21ksoftirqd/007:12:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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