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2026-02-07 - 12:05
[ 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 Sat Feb 07, 2026 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23274997433,28cyclictest28366irq/58-eth022:40:123
23254996333,23cyclictest32281-21ssh22:35:131
2324799574,41cyclictest25179-21ssh21:55:120
2325499562,38cyclictest7150-21ssh21:45:121
23263995229,16cyclictest0-21swapper/221:50:142
2324799521,17cyclictest18432-21ssh00:00:110
23247995014,30cyclictest15457-1kworker/0:2H23:35:120
23263994910,18cyclictest27-21ksoftirqd/222:30:122
2325499483,35cyclictest367-21ssh23:50:121
23254994734,10cyclictest25833-21apt-get20:20:151
23263994620,19cyclictest27-21ksoftirqd/223:46:592
23254994633,9cyclictest11186-21apt-get23:20:081
2324799462,39cyclictest30635-21ssh21:40:140
23254994534,7cyclictest5799-21apt-get23:35:111
23263994415,15cyclictest261rcuc/200:05:132
23254994333,5cyclictest3733-21apt-get21:25:111
23274994223,9cyclictest0-21swapper/319:20:103
23254994233,4cyclictest16191-21apt-get21:50:141
23254994228,10cyclictest9171-21apt-get21:10:121
23263994118,15cyclictest0-21swapper/223:05:122
23263994118,14cyclictest23237-21cyclictest22:25:142
2327499404,22cyclictest28366irq/58-eth000:35:123
23254994031,6cyclictest31849-21apt-get21:00:131
23263993923,7cyclictest131rcu_preempt23:35:112
23254993932,3cyclictest21961-21apt-get00:20:131
23254993915,9cyclictest28311-21cat23:45:281
2324799393,28cyclictest28721-21ssh22:15:120
23247993921,12cyclictest0-21swapper/023:25:130
2326399382,18cyclictest29090-21sh23:30:102
23254993823,11cyclictest0-21swapper/119:30:111
23254993812,7cyclictest0-21swapper/100:30:191
2324799382,18cyclictest12431-21ssh23:00:140
2326399372,20cyclictest924-21snmpd23:55:122
23263993711,18cyclictest27-21ksoftirqd/222:05:132
2325499377,19cyclictest21-21ksoftirqd/119:55:131
23254993731,3cyclictest29367-21apt-get19:50:111
23254993727,6cyclictest16383-21apt-get00:35:141
23254993714,8cyclictest13708-21rm22:24:421
23254993713,8cyclictest17401-21ssh23:59:141
23254993713,11cyclictest53181netstat22:00:231
23254993712,10cyclictest18820-21ssh00:00:161
2324799371,17cyclictest1120966ssh23:20:090
2327499363,18cyclictest28366irq/58-eth023:20:093
2327499362,18cyclictest28366irq/58-eth022:35:153
23254993631,2cyclictest21290-21apt-get23:05:121
23254993627,5cyclictest30834-21apt-get00:25:121
23254993627,5cyclictest21704-21apt-get21:35:141
23254993626,7cyclictest26966-21ntp_states22:30:251
23254993612,8cyclictest1590-21ssh21:22:541
23254993611,10cyclictest21900-21ssh22:28:471
23254993610,11cyclictest18107-21sshd21:15:091
2324799362,23cyclictest9174-21ssh21:10:120
2327499354,19cyclictest28366irq/58-eth022:20:123
2327499352,20cyclictest28366irq/58-eth022:50:133
2326399352,17cyclictest14469-21ssh00:33:102
2325499355,23cyclictest21-21ksoftirqd/120:45:131
23254993528,5cyclictest29138-21apt-get23:30:121
23254993520,10cyclictest0-21swapper/121:40:131
23254993512,9cyclictest2810-21ssh22:54:541
23254993512,10cyclictest8947-21ssh22:56:211
23254993511,10cyclictest7729-21sed20:35:021
2326399342,15cyclictest6313-21ssh00:29:112
2326399341,17cyclictest21715-21ssh21:35:122
23254993414,7cyclictest22666-21ssh22:45:321
23254993413,8cyclictest3083-21ssh00:09:241
2324799343,5cyclictest131rcu_preempt00:25:130
2326399332,21cyclictest27172-21ssh21:20:112
2326399332,14cyclictest17488-21ssh23:22:102
2325499339,11cyclictest12774-21interrupts23:00:191
2325499337,8cyclictest0-21swapper/121:59:391
23254993311,10cyclictest16947-21ssh22:07:111
23254993310,9cyclictest12020-21sh00:14:231
23254993310,10cyclictest24816-21idleruntime19:45:181
2324799332,28cyclictest19622-21ssh22:10:110
2324799332,27cyclictest10698-21ssh22:05:130
2324799331,27cyclictest21964-21ssh00:20:130
2325499329,8cyclictest0-21swapper/121:31:251
23254993224,4cyclictest11342-21apt-get20:05:121
23254993222,7cyclictest19613-21apt-get22:10:121
23254993211,7cyclictest8784-21diskmemload23:10:431
2324799324,19cyclictest14806-21ssh23:40:130
2324799322,19cyclictest9414-21ssh23:55:130
2327499312,16cyclictest28366irq/58-eth022:30:113
23254993118,9cyclictest0-21swapper/100:15:101
23254993115,13cyclictest0-21swapper/119:25:111
23254993115,13cyclictest0-21swapper/119:25:111
2327499303,16cyclictest28366irq/58-eth019:25:123
2327499303,16cyclictest28366irq/58-eth019:25:113
2326399308,11cyclictest0-21swapper/222:10:122
2325499307,9cyclictest19534-21munin-run19:40:021
23254993026,2cyclictest16215-21apt-get20:10:131
23254993021,6cyclictest0-21swapper/120:15:121
23254993020,8cyclictest26761-21sshd20:53:101
23254993017,9cyclictest16356-21sed20:40:291
23254993017,10cyclictest23481-21kthreadcore23:25:211
2324799303,23cyclictest3744-21ssh21:25:110
23247993023,4cyclictest0-21swapper/022:20:120
2327499292,19cyclictest28366irq/58-eth022:10:123
2327499292,17cyclictest28366irq/58-eth023:25:123
2327499292,14cyclictest28366irq/58-eth019:55:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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