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2026-01-22 - 13:13
[ 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 #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.
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 rack7slot4s.osadl.org (updated Thu Jan 22, 2026 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3777998015,9cyclictest131rcu_preempt00:10:120
3811996946,16cyclictest28366irq/58-eth000:15:133
377799566,11cyclictest131rcu_preempt00:00:110
379799521,34cyclictest26709-21ssh00:15:122
377799492,7cyclictest131rcu_preempt19:10:130
381199482,26cyclictest28366irq/58-eth021:55:133
379799472,22cyclictest27-21ksoftirqd/222:20:102
3786994522,13cyclictest20099-21apt-get22:40:101
377799452,9cyclictest131rcu_preempt19:20:140
377799451,5cyclictest131rcu_preempt00:35:120
377799444,30cyclictest25397-21ssh21:30:120
3777994415,20cyclictest12-21ksoftirqd/022:50:120
381199433,23cyclictest28366irq/58-eth022:35:123
379799427,27cyclictest2687-21ssh23:25:152
381199392,22cyclictest28366irq/58-eth021:35:123
381199384,20cyclictest28366irq/58-eth000:35:133
381199383,20cyclictest28366irq/58-eth021:30:123
3797993820,12cyclictest0-21swapper/200:35:142
381199375,18cyclictest28366irq/58-eth021:45:143
381199363,19cyclictest28366irq/58-eth022:40:113
378699362,26cyclictest0-21swapper/120:00:131
379799353,18cyclictest31022-21ssh21:15:132
378699351,20cyclictest26190-21ssh23:20:121
3777993523,5cyclictest131rcu_preempt22:20:110
381199343,16cyclictest28366irq/58-eth023:10:123
377799342,23cyclictest21113-21ssh00:30:110
3811993317,9cyclictest28366irq/58-eth023:20:133
3786993325,3cyclictest7557-21apt-get20:55:121
377799331,24cyclictest21747-21diskmemload21:25:120
378699322,17cyclictest28510-21ssh21:50:121
377799323,22cyclictest8079-21ssh22:15:110
3777993214,11cyclictest27094-21irqcore00:15:160
381199313,16cyclictest28366irq/58-eth020:55:123
378699318,15cyclictest21-21ksoftirqd/123:00:121
3786993122,5cyclictest19559-21apt-get21:45:141
3786993122,4cyclictest16926-21apt-get22:20:131
378699312,23cyclictest5107-21ssh00:38:401
3786993113,11cyclictest14264-21apt-get22:55:131
379799302,21cyclictest0-21swapper/220:35:132
379799301,13cyclictest28996-21rm22:45:112
378699304,17cyclictest12106-21ssh00:25:101
378699302,20cyclictest22701-21ssh22:05:131
381199293,17cyclictest28366irq/58-eth000:30:113
379799293,15cyclictest22346irq/40-dwc2_hso00:20:142
379799293,15cyclictest22346irq/40-dwc2_hso00:20:132
379799293,14cyclictest22346irq/40-dwc2_hso19:45:122
377799296,16cyclictest12-21ksoftirqd/000:05:130
377799294,12cyclictest131rcu_preempt22:40:120
377799292,20cyclictest32067-21ssh23:05:140
381199284,13cyclictest28366irq/58-eth023:25:143
381199281,19cyclictest28366irq/58-eth019:40:123
379799289,12cyclictest0-21swapper/221:48:402
379799283,15cyclictest22346irq/40-dwc2_hso19:30:142
379799282,19cyclictest0-21swapper/220:45:122
379799282,19cyclictest0-21swapper/219:10:142
379799282,14cyclictest22346irq/40-dwc2_hso19:25:132
3797992818,5cyclictest0-21swapper/221:10:102
378699286,16cyclictest0-21swapper/120:25:131
377799282,19cyclictest14530-21ssh23:50:120
377799282,19cyclictest14530-21ssh23:50:120
377799281,22cyclictest73-21kswapd023:35:140
377799281,17cyclictest5656-21ssh23:45:120
381199271,16cyclictest28366irq/58-eth019:25:123
379799273,16cyclictest22346irq/40-dwc2_hso19:40:112
379799273,10cyclictest0-21swapper/223:33:382
378699277,6cyclictest21-21ksoftirqd/122:30:191
378699274,4cyclictest21-21ksoftirqd/122:50:131
3786992720,2cyclictest17785-21apt-get00:10:141
377799272,19cyclictest27003-21ssh21:48:390
381199263,15cyclictest28366irq/58-eth022:15:113
381199262,15cyclictest28366irq/58-eth022:20:123
381199261,16cyclictest28366irq/58-eth023:15:133
381199261,14cyclictest28366irq/58-eth023:05:123
379799265,12cyclictest0-21swapper/220:10:132
379799261,5cyclictest20678-21munin-run00:30:012
379799261,15cyclictest5454-21ssh22:50:132
378699267,11cyclictest0-21swapper/121:10:111
378699264,15cyclictest0-21swapper/123:05:141
377799267,8cyclictest12-21ksoftirqd/022:55:130
377799263,18cyclictest31018-21ssh21:15:120
377799262,18cyclictest2342-21ssh22:30:130
3777992613,5cyclictest0-21swapper/019:15:130
377799260,21cyclictest29210-21ssh23:40:130
381199254,11cyclictest28366irq/58-eth022:10:123
3811992510,10cyclictest28366irq/58-eth022:00:133
3811992510,10cyclictest28366irq/58-eth022:00:123
379799253,14cyclictest22346irq/40-dwc2_hso19:20:132
379799251,14cyclictest13806-21ssh22:00:132
379799251,14cyclictest13806-21ssh22:00:132
379799250,19cyclictest16017-21ls20:30:142
378699257,12cyclictest0-21swapper/123:40:111
378699255,4cyclictest21-21ksoftirqd/122:00:021
378699253,5cyclictest21-21ksoftirqd/123:50:271
378699253,5cyclictest21-21ksoftirqd/123:50:261
3786992517,3cyclictest8063-21apt-get22:15:131
3786992516,6cyclictest0-21swapper/121:15:151
378699251,18cyclictest20380-21ssh23:35:141
377799252,18cyclictest1827-21ssh21:35:120
379799244,12cyclictest14993-21irqstats22:55:172
379799243,18cyclictest22346irq/40-dwc2_hso23:20:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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