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2026-02-05 - 02:33
[ 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 #8, 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 rack8slot4s.osadl.org (updated Thu Feb 05, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23328542236173,49sleep70-21swapper/719:09:327
23328772221164,44sleep10-21swapper/119:09:511
23326262216161,17sleep20-21swapper/219:06:152
23328332212177,22sleep50-21swapper/519:09:145
23326712211179,20sleep00-21swapper/019:06:520
23326092211177,22sleep30-21swapper/319:05:583
23326772210177,21sleep60-21swapper/619:06:586
23326462207174,21sleep40-21swapper/419:06:324
24762702540,0sleep50-21swapper/523:15:115
24065772510,0sleep10-21swapper/121:15:121
2333122992721,1cyclictest0-21swapper/521:45:005
233312499260,25cyclictest0-21swapper/622:55:006
233312499260,25cyclictest0-21swapper/600:25:136
233312499260,25cyclictest0-21swapper/600:25:136
233312499260,22cyclictest0-21swapper/623:25:126
233312499260,1cyclictest0-21swapper/621:20:016
233312299260,23cyclictest0-21swapper/522:10:135
2333108992625,1cyclictest72350irq/124-eno120:30:121
233312499250,4cyclictest2454824-21sendmail-msp22:40:016
233312499250,22cyclictest2524673-21munin-run00:40:006
2333122992522,2cyclictest2446504-21latency_hist22:25:005
2333122992521,4cyclictest0-21swapper/519:45:115
233312299250,24cyclictest2470281-21apt-get23:05:125
233312299250,22cyclictest2351108-21apt-get19:40:015
233311399253,1cyclictest0-21swapper/220:20:012
2333127992422,2cyclictest2385748-21sendmail-msp20:40:007
233312499240,23cyclictest0-21swapper/600:15:146
233312499240,23cyclictest0-21swapper/600:15:146
2333122992421,0cyclictest0-21swapper/500:05:115
2333122992420,0cyclictest0-21swapper/500:15:005
2333122992419,1cyclictest0-21swapper/500:15:155
2333122992419,1cyclictest0-21swapper/500:15:145
2333122992418,2cyclictest2487238-21cron23:35:015
2333114992424,0cyclictest0-21swapper/323:20:003
2333114992423,1cyclictest0-21swapper/300:30:143
233311499240,23cyclictest2374276-21dump-pmu-power20:20:013
233310499240,23cyclictest0-21swapper/019:40:120
233312799230,2cyclictest1060-21cron21:49:597
233312799230,22cyclictest1-21systemd19:40:007
233312799230,1cyclictest2431673-21awk21:59:597
2333124992321,2cyclictest0-21swapper/619:35:136
233312499230,22cyclictest2473133-21apt-get23:10:116
233312499230,22cyclictest0-21swapper/622:45:016
233312499230,22cyclictest0-21swapper/600:25:006
233312499230,22cyclictest0-21swapper/600:25:006
233312499230,1cyclictest2479119-21apt-get23:20:116
233312499230,18cyclictest0-21swapper/619:20:116
2333122992318,0cyclictest0-21swapper/519:25:125
233312299230,22cyclictest2454792-21perf22:40:005
233312299230,22cyclictest2340132-21apt-get19:20:125
233312299230,0cyclictest0-21swapper/521:15:135
233311899230,22cyclictest0-21swapper/422:25:124
2333114992323,0cyclictest0-21swapper/319:25:003
2333113992321,2cyclictest2466993-21munin-run23:00:012
233311399230,22cyclictest2507957-21apt-get00:10:122
233311399230,22cyclictest2408995-21apt-get21:20:112
2333108992323,0cyclictest0-21swapper/122:15:111
2333108992321,1cyclictest2467429-21apt-get23:00:111
233310899230,22cyclictest1060-21cron19:40:011
233310899230,22cyclictest0-21swapper/123:25:001
233310899230,22cyclictest0-21swapper/122:55:021
233310899230,22cyclictest0-21swapper/121:25:121
233310899230,22cyclictest0-21swapper/100:15:011
2333104992323,0cyclictest0-21swapper/022:20:110
2333104992321,1cyclictest0-21swapper/022:25:020
233310499230,23cyclictest0-21swapper/022:55:020
233310499230,22cyclictest2461442-21apt-get22:50:090
233310499230,22cyclictest2380001-21turbostat20:30:010
233310499230,22cyclictest2368578-21munin-run20:10:000
233310499230,22cyclictest0-21swapper/021:50:150
233310499230,22cyclictest0-21swapper/019:30:000
2333127992220,1cyclictest2519388-21apt-get00:30:137
2333127992220,1cyclictest2414699-21apt-get21:30:117
233312799220,21cyclictest0-21swapper/723:55:117
233312799220,21cyclictest0-21swapper/723:35:117
233312799220,21cyclictest0-21swapper/700:05:007
233312799220,1cyclictest2467026-21basename23:00:017
233312799220,1cyclictest2432107-21apt-get22:00:127
233312799220,0cyclictest0-21swapper/719:30:137
233312799220,0cyclictest0-21swapper/719:30:137
2333124992222,0cyclictest0-21swapper/622:30:136
2333124992222,0cyclictest0-21swapper/620:05:106
2333124992220,2cyclictest0-21swapper/621:45:016
2333124992220,1cyclictest2357107-21awk19:50:006
2333124992220,1cyclictest0-21swapper/621:20:116
2333124992219,3cyclictest0-21swapper/621:55:126
233312499220,21cyclictest2419997-21awk21:39:596
233312499220,21cyclictest2374722-21apt-get20:20:126
233312499220,21cyclictest0-21swapper/622:14:596
233312499220,21cyclictest0-21swapper/621:15:006
233312499220,21cyclictest0-21swapper/619:55:206
233312499220,21cyclictest0-21swapper/600:00:116
233312499220,1cyclictest0-21swapper/622:04:596
233312499220,1cyclictest0-21swapper/619:40:126
233312299220,22cyclictest2464556-21apt-get22:55:115
233312299220,21cyclictest0-21swapper/523:10:115
233312299220,21cyclictest0-21swapper/521:55:125
233312299220,21cyclictest0-21swapper/521:45:135
233312299220,21cyclictest0-21swapper/519:15:135
233312299220,21cyclictest0-21swapper/500:00:115
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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