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2026-03-02 - 09:56
[ 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 Mon Mar 02, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34962502223167,17sleep30-21swapper/319:06:573
34963272222185,24sleep60-21swapper/619:08:046
34963252220183,24sleep40-21swapper/419:08:034
34963212219186,21sleep00-21swapper/019:07:580
34964482216184,21sleep50-21swapper/519:09:485
34962312214181,21sleep20-21swapper/219:06:402
34963222210179,20sleep10-21swapper/119:08:001
34963842205176,18sleep70-21swapper/719:08:537
349671099260,24cyclictest3526823-21apt-get20:00:134
349669799263,22cyclictest0-21swapper/019:25:000
349671099250,24cyclictest0-21swapper/421:15:114
349670499250,24cyclictest0-21swapper/221:15:112
349671799240,2cyclictest3572342-21turbostat21:20:007
3496716992420,4cyclictest0-21swapper/621:20:006
349671699240,23cyclictest3598747-21apt-get22:05:116
349671299240,23cyclictest3580911-21dump-pmu-power21:35:005
349671099240,23cyclictest0-21swapper/419:15:004
349670699240,23cyclictest0-21swapper/322:55:123
349670699240,0cyclictest0-21swapper/322:05:123
349669799240,22cyclictest3642382-21apt-get23:20:100
3496717992321,1cyclictest3604712-21apt-get22:15:137
3496717992321,1cyclictest3503710-21apt-get19:20:107
349671799230,22cyclictest0-21swapper/721:59:597
349671799230,22cyclictest0-21swapper/721:35:117
349671799230,22cyclictest0-21swapper/721:25:007
349671799230,22cyclictest0-21swapper/721:00:127
349671799230,22cyclictest0-21swapper/719:30:147
349671799230,22cyclictest0-21swapper/719:30:147
349671799230,0cyclictest0-21swapper/720:30:117
3496716992321,1cyclictest0-21swapper/600:20:006
349671699230,22cyclictest0-21swapper/621:00:126
349671699230,22cyclictest0-21swapper/620:55:006
349671699230,22cyclictest0-21swapper/619:35:016
349671699230,22cyclictest0-21swapper/619:35:016
349671699230,22cyclictest0-21swapper/600:10:106
349671699230,22cyclictest0-21swapper/600:10:106
3496712992322,0cyclictest0-21swapper/522:05:115
3496712992321,1cyclictest3682393-21apt-get00:30:115
349671299230,1cyclictest3610028-21dpkg22:25:005
349671099230,22cyclictest0-21swapper/420:40:004
349671099230,22cyclictest0-21swapper/400:00:004
349671099230,21cyclictest0-21swapper/421:50:104
349670699230,23cyclictest491rcuc/323:35:003
349670699230,23cyclictest3604712-21apt-get22:15:123
349670699230,22cyclictest3595897-21apt-get22:00:113
349670699230,22cyclictest0-21swapper/300:05:133
3496704992321,1cyclictest3587321-21apt-get21:45:112
3496704992320,2cyclictest3514705-21perf19:40:002
349670499230,22cyclictest3650940-21apt-get23:35:132
349670499230,22cyclictest3549497-21sendmail20:40:012
349670499230,22cyclictest0-21swapper/219:20:022
3496701992322,1cyclictest3638821-21apt-get23:15:001
3496697992321,1cyclictest3619272-21apt-get22:40:120
349669799230,22cyclictest0-21swapper/023:05:180
349669799230,22cyclictest0-21swapper/000:20:120
349669799230,1cyclictest3656661-21apt-get23:45:110
3496717992222,0cyclictest0-21swapper/721:45:117
3496717992221,1cyclictest0-21swapper/700:15:127
349671799220,21cyclictest0-21swapper/719:50:117
349671799220,21cyclictest0-21swapper/700:30:107
349671799220,0cyclictest0-21swapper/723:15:117
3496716992220,1cyclictest3665257-21apt-get00:00:126
3496716992220,1cyclictest0-21swapper/623:34:596
349671699220,1cyclictest3685244-21apt-get00:35:116
3496712992221,1cyclictest0-21swapper/519:35:015
3496712992221,1cyclictest0-21swapper/519:35:015
349671299220,21cyclictest671rcuc/523:30:005
349671299220,21cyclictest3529673-21apt-get20:05:125
349671299220,21cyclictest0-21swapper/521:15:115
349671299220,21cyclictest0-21swapper/519:40:105
349671299220,1cyclictest3618863-21awk22:39:595
349671299220,1cyclictest0-21swapper/522:30:005
3496710992222,0cyclictest0-21swapper/423:10:124
3496710992220,1cyclictest3514689-21apt-get19:40:014
349671099220,21cyclictest3615984-21munin-run22:35:004
349671099220,21cyclictest0-21swapper/423:35:124
349671099220,0cyclictest0-21swapper/419:20:114
3496706992222,0cyclictest0-21swapper/319:15:103
3496706992222,0cyclictest0-21swapper/319:15:103
349670699220,22cyclictest0-21swapper/300:30:113
349670699220,21cyclictest3584208-21apt-get21:40:113
349670699220,21cyclictest0-21swapper/320:30:123
349670699220,21cyclictest0-21swapper/320:15:123
3496704992221,1cyclictest3598747-21apt-get22:05:132
3496704992221,1cyclictest0-21swapper/222:00:112
3496704992220,2cyclictest3656253-21awk23:45:002
3496704992220,1cyclictest3558487-21apt-get20:55:132
3496704992220,1cyclictest0-21swapper/219:30:132
3496704992220,1cyclictest0-21swapper/219:30:132
3496704992218,3cyclictest664-21in:imuxsock00:10:002
349670499220,21cyclictest3590172-21apt-get21:50:102
349670499220,21cyclictest0-21swapper/223:30:132
349670499220,1cyclictest0-21swapper/221:25:112
3496701992221,1cyclictest3610698-21apt-get22:25:121
349670199220,21cyclictest0-21swapper/123:50:121
349670199220,21cyclictest0-21swapper/123:25:101
349670199220,21cyclictest0-21swapper/121:40:101
349670199220,21cyclictest0-21swapper/120:25:111
349670199220,21cyclictest0-21swapper/120:15:131
349670199220,21cyclictest0-21swapper/120:00:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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