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2026-03-05 - 03:45
[ 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 Mar 05, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19740342230192,25sleep30-21swapper/319:08:323
19738672228167,49sleep40-21swapper/419:06:084
19740672226165,21sleep00-21swapper/019:09:020
19741132220181,24sleep70-21swapper/719:09:417
19740822220187,21sleep60-21swapper/619:09:166
19741082214181,21sleep20-21swapper/219:09:352
19740452209162,14sleep50-21swapper/519:08:435
19739022207174,21sleep10-21swapper/119:06:381
197435599300,25cyclictest2099649-21idleruntime-cro22:45:010
197435599300,25cyclictest2099649-21idleruntime-cro22:45:010
1974380992920,8cyclictest2084867-21sendmail22:20:007
197437599281,22cyclictest2067720-21awk21:50:015
197436999280,1cyclictest1997839-21turbostat19:50:003
197438099270,21cyclictest0-21swapper/720:25:017
1974363992722,4cyclictest2099654-21turbostat.cron22:45:011
1974363992722,4cyclictest2099654-21turbostat.cron22:45:011
1974369992620,5cyclictest0-21swapper/322:45:003
1974369992620,5cyclictest0-21swapper/322:45:003
197437399250,24cyclictest2061989-21munin-run21:39:594
197436999250,1cyclictest0-21swapper/300:39:593
197436399250,24cyclictest2050736-21apt-get21:20:121
197436399250,21cyclictest0-21swapper/123:25:101
1974380992417,7cyclictest1997832-21munin-run19:49:597
197438099240,24cyclictest2079119-21sh22:10:017
197438099240,1cyclictest2162795-21perf00:35:017
197437899240,23cyclictest0-21swapper/623:10:126
197437899240,23cyclictest0-21swapper/619:40:126
197437399240,3cyclictest2073401-21idleruntime-cro22:00:014
197437399240,23cyclictest1997825-21dump-pmu-power19:50:004
1974369992422,1cyclictest2030037-21turbostat20:45:003
1974369992420,3cyclictest0-21swapper/321:20:113
197436399240,21cyclictest0-21swapper/122:50:091
197436399240,21cyclictest0-21swapper/100:30:021
1974380992319,3cyclictest2085533-21apt-get22:20:107
197438099230,22cyclictest2142491-21munin-run00:00:017
1974378992321,1cyclictest2108213-21munin-run23:00:006
1974378992321,1cyclictest0-21swapper/620:30:106
197437899230,23cyclictest0-21swapper/619:49:596
197437899230,22cyclictest2105360-21munin-run22:55:016
1974375992322,0cyclictest0-21swapper/520:15:005
197437599230,22cyclictest2007087-21apt-get20:05:125
197437599230,22cyclictest1982362-21ntpq19:20:135
197437599230,22cyclictest0-21swapper/522:50:105
197437599230,22cyclictest0-21swapper/520:55:135
197437399230,22cyclictest0-21swapper/422:55:124
197437399230,1cyclictest0-21swapper/420:54:594
1974369992321,1cyclictest2117201-21apt-get23:15:123
197436999230,22cyclictest2009937-21apt-get20:10:123
197436999230,22cyclictest0-21swapper/323:25:013
1974367992322,1cyclictest0-21swapper/219:30:122
197436799230,23cyclictest0-21swapper/220:35:092
197436799230,22cyclictest0-21swapper/221:25:122
197436799230,22cyclictest0-21swapper/221:00:122
197436799230,1cyclictest2081987-21awk22:15:002
197436799230,1cyclictest0-21swapper/221:20:002
197436399230,23cyclictest2030048-21perf20:45:001
197436399230,22cyclictest0-21swapper/121:55:111
197436399230,22cyclictest0-21swapper/100:00:131
197435599230,2cyclictest646-21dbus-daemon20:00:000
197435599230,22cyclictest2079546-21apt-get22:10:110
197435599230,22cyclictest2058863-21apt-get21:35:010
197435599230,22cyclictest0-21swapper/000:05:010
197435599230,1cyclictest1989678-21apt-get19:35:110
1974380992220,2cyclictest1983973-21apt-get19:25:127
197438099220,22cyclictest0-21swapper/721:25:007
197438099220,21cyclictest2105777-21apt-get22:55:117
197438099220,21cyclictest0-21swapper/700:10:117
197438099220,21cyclictest0-21swapper/700:00:137
197438099220,1cyclictest2039034-21apt-get21:00:117
1974378992221,1cyclictest0-21swapper/621:05:116
1974378992221,1cyclictest0-21swapper/619:55:106
1974378992220,1cyclictest2067709-21munin-run21:50:016
197437899220,22cyclictest2070573-21basename21:55:006
197437899220,21cyclictest2059555-21apt-get21:35:136
197437899220,21cyclictest0-21swapper/622:25:126
197437899220,21cyclictest0-21swapper/619:10:126
1974375992222,0cyclictest0-21swapper/522:20:105
1974375992222,0cyclictest0-21swapper/500:25:115
1974375992221,1cyclictest0-21swapper/520:24:595
197437599220,21cyclictest2145810-21apt-get00:05:105
197437599220,21cyclictest0-21swapper/521:15:115
1974373992221,1cyclictest0-21swapper/420:40:114
1974373992218,4cyclictest0-21swapper/419:35:004
197437399220,21cyclictest0-21swapper/423:30:114
197437399220,21cyclictest0-21swapper/420:25:104
197437399220,1cyclictest1977375-21cat19:15:014
1974369992219,3cyclictest0-21swapper/300:30:013
1974369992219,2cyclictest2114352-21apt-get23:10:113
1974369992216,1cyclictest0-21swapper/319:55:113
197436999220,21cyclictest0-21swapper/322:35:003
197436999220,21cyclictest0-21swapper/322:35:003
197436999220,21cyclictest0-21swapper/322:25:113
197436999220,1cyclictest2153953-21sendmail00:20:013
1974367992222,0cyclictest2059555-21apt-get21:35:142
1974367992221,1cyclictest2091237-21apt-get22:30:102
1974367992221,1cyclictest2091237-21apt-get22:30:102
1974367992221,1cyclictest0-21swapper/223:25:102
1974367992221,1cyclictest0-21swapper/220:09:592
1974367992221,1cyclictest0-21swapper/219:15:002
1974367992220,1cyclictest2142953-21apt-get00:00:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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