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2026-01-24 - 12:27
[ 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 Sat Jan 24, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
694092221163,19sleep30-21swapper/319:05:503
696722211177,21sleep20-21swapper/219:09:362
695842210176,22sleep70-21swapper/719:08:197
695042210176,22sleep10-21swapper/119:07:101
696182208178,20sleep50-21swapper/519:08:495
695362206178,18sleep60-21swapper/619:07:386
695952205181,14sleep00-21swapper/019:08:280
672532203176,17sleep40-21swapper/419:05:034
6990699290,2cyclictest363-21systemd-journal21:40:011
6990999270,26cyclictest0-21swapper/200:20:122
69922992624,1cyclictest145399-21munin-run21:20:017
6991799250,21cyclictest240566-21awk00:05:005
69911992522,2cyclictest122280-21turbostat20:40:013
69915992424,0cyclictest0-21swapper/421:50:114
6991599240,1cyclictest0-21swapper/420:00:124
6990999240,23cyclictest206336-21apt-get23:05:102
6990699240,23cyclictest142557-21awk21:15:011
69922992321,1cyclictest165814-21apt-get21:55:127
6992299230,22cyclictest223322-21awk23:35:017
6992299230,22cyclictest148686-21apt-get21:25:117
6992299230,22cyclictest0-21swapper/721:25:007
69920992321,1cyclictest0-21swapper/600:20:116
6992099230,22cyclictest0-21swapper/622:10:126
69917992322,1cyclictest85299-21apt-get19:35:125
6991799230,23cyclictest102027-21munin-run20:05:015
6991799230,23cyclictest0-21swapper/522:30:115
6991799230,22cyclictest0-21swapper/523:00:115
6991799230,22cyclictest0-21swapper/522:40:125
6991799230,22cyclictest0-21swapper/520:10:105
69915992321,1cyclictest129651-21ntpq20:50:164
69915992321,1cyclictest0-21swapper/422:24:594
6991599230,22cyclictest125576-21apt-get20:45:124
6991599230,22cyclictest105295-21apt-get20:10:104
6991599230,22cyclictest0-21swapper/420:30:124
69911992322,1cyclictest491rcuc/320:25:003
69911992319,3cyclictest249361-21turbostat.cron00:20:013
6991199230,3cyclictest51-21ksoftirqd/322:25:133
6991199230,22cyclictest220385-21latency_hist23:30:003
69909992323,0cyclictest0-21swapper/220:00:112
6990999230,22cyclictest194511-21awk22:45:002
6990999230,22cyclictest0-21swapper/200:15:102
69906992321,1cyclictest0-21swapper/100:00:011
6990699230,22cyclictest0-21swapper/122:05:101
6990699230,22cyclictest0-21swapper/120:40:121
6990699230,22cyclictest0-21swapper/120:20:121
6990699230,22cyclictest0-21swapper/120:00:101
69904992321,2cyclictest81645-21apt-get19:25:280
6990499230,22cyclictest105295-21apt-get20:10:100
6990499230,22cyclictest0-21swapper/023:35:110
6990499230,22cyclictest0-21swapper/021:45:090
6990499230,22cyclictest0-21swapper/021:30:000
6990499230,22cyclictest0-21swapper/019:15:010
6990499230,1cyclictest246933-21apt-get00:15:100
69922992222,0cyclictest0-21swapper/721:05:117
69922992222,0cyclictest0-21swapper/700:00:137
69922992220,1cyclictest96723-21apt-get19:55:137
6992299220,21cyclictest0-21swapper/723:45:137
6992299220,21cyclictest0-21swapper/700:05:117
6992299220,1cyclictest114136-21apt-get20:25:127
6992299220,0cyclictest0-21swapper/722:55:117
6992299220,0cyclictest0-21swapper/721:30:117
6992299220,0cyclictest0-21swapper/721:00:117
6992299220,0cyclictest0-21swapper/720:15:017
69920992221,1cyclictest145837-21apt-get21:20:126
6992099220,22cyclictest0-21swapper/623:25:116
6992099220,22cyclictest0-21swapper/621:20:016
6992099220,22cyclictest0-21swapper/619:25:126
69917992220,2cyclictest0-21swapper/522:00:115
69917992220,2cyclictest0-21swapper/521:10:125
69917992219,3cyclictest0-21swapper/523:30:115
6991799220,22cyclictest231893-21awk23:50:005
6991799220,21cyclictest0-21swapper/522:35:105
6991799220,21cyclictest0-21swapper/522:15:115
6991799220,21cyclictest0-21swapper/500:30:125
6991799220,1cyclictest142962-21apt-get21:15:125
69915992220,1cyclictest0-21swapper/419:15:004
6991599220,22cyclictest0-21swapper/423:35:004
6991599220,21cyclictest229457-21apt-get23:45:144
6991599220,21cyclictest0-21swapper/419:50:114
6991599220,21cyclictest0-21swapper/419:50:114
69911992221,1cyclictest491rcuc/300:25:133
69911992221,1cyclictest180372-21apt-get22:20:113
69911992221,1cyclictest0-21swapper/319:45:133
69911992221,1cyclictest0-21swapper/319:45:123
69911992220,2cyclictest99171-21basename20:00:003
6991199221,0cyclictest0-21swapper/322:09:593
6991199220,1cyclictest72672-21perf19:15:003
6991199220,1cyclictest200191-21turbostat22:55:013
6991199220,0cyclictest0-21swapper/320:25:123
69909992221,1cyclictest203486-21apt-get23:00:112
69909992221,1cyclictest0-21swapper/221:50:122
69909992220,1cyclictest102445-21apt-get20:05:112
6990999220,22cyclictest0-21swapper/220:45:012
6990999220,21cyclictest220186-21apt-get23:30:012
6990999220,21cyclictest171108-21apt-get22:05:012
6990999220,21cyclictest0-21swapper/222:35:102
6990999220,21cyclictest0-21swapper/221:35:112
6990999220,21cyclictest0-21swapper/220:20:122
69906992221,1cyclictest0-21swapper/121:15:121
69906992221,0cyclictest0-21swapper/123:15:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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