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2026-01-17 - 19:21
[ 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 Sat Jan 17, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
382130522270,21sleep013-21ksoftirqd/007:05:150
197399960,7rtkit-daemon1972-21rtkit-daemon07:40:090
38895202950,7sleep33822508-21cyclictest10:15:293
197399760,61rtkit-daemon0-21swapper/307:09:213
38855052730,5sleep34497-21PK-Backend10:05:183
382235326445,13sleep20-21swapper/207:09:492
382089926241,15sleep10-21swapper/107:05:091
197399600,9rtkit-daemon1972-21rtkit-daemon08:15:401
3822517995723,30cyclictest923-21dbus-daemon09:49:411
382251599575,38cyclictest0-21swapper/007:52:540
3822517995620,12cyclictest3856862-21ls08:45:191
3822517995518,10cyclictest3865302-21ls09:10:001
382251799542,32cyclictest3901118-21hddtemp_smartct10:50:181
3822517995417,11cyclictest3911511-21hddtemp_smartct11:20:181
3822517995416,15cyclictest3925636-21df_inode12:00:141
382251599545,27cyclictest0-21swapper/008:44:560
3822517995324,25cyclictest3888755-21tr10:15:141
3822517995317,14cyclictest3880395-21ntp_states09:50:251
382251599539,18cyclictest3869274-21/usr/sbin/munin09:20:150
197399530,9rtkit-daemon1972-21rtkit-daemon10:06:131
3822517995216,12cyclictest3849506-21find08:25:111
3822517995215,11cyclictest3855120-21which08:40:191
3822517995215,11cyclictest3834234-21missed_timers07:40:211
382251599529,27cyclictest3920097-21cstates11:45:150
382251599528,19cyclictest3846128-21cat08:15:140
3822525995119,27cyclictest3931248-21ntp_states12:15:252
3822517995115,9cyclictest3874557-21tr09:35:141
3822517995115,11cyclictest3869122-21cstates09:20:151
382251599519,17cyclictest3887497-21sed10:10:220
3822515995111,17cyclictest3919483-21cron11:44:590
382251599510,46cyclictest1972-21rtkit-daemon09:31:440
3822525995020,26cyclictest3900866-21grep10:50:142
382252599501,27cyclictest3838869-21dump-pmu-power07:55:002
3822517995018,7cyclictest3839887-21sh07:55:251
3822517995015,8cyclictest3916902-21missed_timers11:35:201
3822517995014,10cyclictest3908014-21seq11:10:151
3822517995014,10cyclictest3827728-21cat07:20:291
3822517995013,11cyclictest3859122-21cat08:50:301
382251599509,20cyclictest3876511-21df09:40:150
382251599509,17cyclictest3862484-21sed09:00:220
3822515995012,15cyclictest3928913-21cpuspeed_turbos12:10:150
3822515995011,11cyclictest1137-21runrttasks09:30:020
3822515995011,11cyclictest1137-21runrttasks09:30:020
3822515995010,14cyclictest3898226-21sed10:40:290
3822515995010,14cyclictest3898226-21sed10:40:290
38446592490,7chrt0-21swapper/108:10:151
38446592490,7chrt0-21swapper/108:10:151
382251799492,7cyclictest3922977-21munin-run11:55:011
3822517994919,6cyclictest3919862-21taskset11:45:141
3822517994917,10cyclictest3903966-21sed11:00:021
3822517994916,8cyclictest3831102-21timerandwakeup07:30:281
3822517994916,7cyclictest3897444-21tr10:40:141
3822517994916,7cyclictest3897444-21tr10:40:141
3822517994916,7cyclictest3892729-21tail10:25:221
3822517994915,12cyclictest3824863-21grep07:15:071
3822517994913,11cyclictest3847989-21cat08:20:141
3822515994911,16cyclictest3925609-21expr12:00:140
3822515994911,15cyclictest3889181-21memory10:15:220
38304142480,7chrt0-21swapper/007:30:140
3822525994820,23cyclictest3851528-21seq08:30:132
3822525994816,28cyclictest3916027-21cron11:35:002
3822525994816,28cyclictest3916027-21cron11:34:592
3822517994817,7cyclictest3899845-21rt-features10:45:301
3822517994812,13cyclictest3906277-21df_inode11:05:151
3822517994812,13cyclictest3906277-21df_inode11:05:151
3822517994811,12cyclictest3838667-40lsb_release07:53:001
382251599488,17cyclictest3907928-21expr11:10:140
382251599482,25cyclictest0-21swapper/011:15:190
3822515994819,23cyclictest3883247-21cut10:00:140
3822515994819,23cyclictest3883247-21cut10:00:140
3822515994817,26cyclictest3893049-21cat10:25:300
3822515994817,26cyclictest3840012-21/usr/sbin/munin07:55:270
3822515994816,28cyclictest3914039-21seq11:26:490
3822515994812,33cyclictest0-21swapper/009:14:410
3822515994811,11cyclictest3891203-21python310:20:280
382251599480,44cyclictest1972-21rtkit-daemon10:08:440
382252599478,33cyclictest3893857-21cat10:30:122
3822525994719,23cyclictest3927761-21ntp_kernel_pll_12:05:232
3822525994715,27cyclictest3841000-21expr08:00:122
3822525994715,27cyclictest3839528-21entropy07:55:182
3822517994715,8cyclictest3870852-21cstates09:25:151
3822517994715,8cyclictest3870852-21cstates09:25:151
3822517994714,8cyclictest3918695-21needreboot11:40:211
3822517994712,11cyclictest3876988-21awk09:40:271
3822517994712,10cyclictest3867902-21awk09:15:251
3822517994711,11cyclictest3938503-21open_files12:35:261
3822515994717,25cyclictest3879557-21latency_hist09:50:020
197399470,32rtkit-daemon4497-21PK-Backend12:35:282
382252599466,35cyclictest3860618-21needreboot08:55:212
382252599463,38cyclictest1137-21runrttasks07:18:192
3822525994623,7cyclictest3910846-21munin-run11:20:002
3822525994619,22cyclictest3888896-21expr10:15:142
3822525994619,22cyclictest3836269-21awk07:45:302
3822517994612,9cyclictest3830022-21sort07:30:021
3822517994611,11cyclictest3929809-21timerwakeupswit12:10:311
3822517994611,11cyclictest3896942-21seq10:39:371
3822517994610,11cyclictest3891184-21awk10:20:261
3822515994615,26cyclictest3905842-21ls11:05:010
3822515994613,28cyclictest3937953-21cstates12:35:140
3822525994519,22cyclictest4497-21PK-Backend10:41:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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