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2026-03-03 - 10:32
[ 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 Tue Mar 03, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1948732235169,21sleep30-21swapper/319:09:513
1948472214173,26sleep40-21swapper/419:09:284
1947712214158,18sleep50-21swapper/519:08:255
1946262213174,24sleep20-21swapper/219:06:222
1946422212158,18sleep70-21swapper/719:06:357
1947212210177,21sleep00-21swapper/019:07:400
1946682210181,18sleep60-21swapper/619:06:586
1946252210174,23sleep10-21swapper/119:06:211
195126992721,6cyclictest322507-21idleruntime-cro22:50:014
19512699270,26cyclictest383339-21awk00:35:004
19513299250,24cyclictest0-21swapper/620:45:016
195126992523,1cyclictest0-21swapper/423:45:114
19512699250,21cyclictest242267-21awk20:30:004
19513499240,23cyclictest0-21swapper/720:55:007
19513499240,23cyclictest0-21swapper/700:25:117
19513499240,1cyclictest250826-21perf20:44:597
19512899240,23cyclictest0-21swapper/522:10:105
195126992419,5cyclictest250838-21awk20:45:004
19512699240,0cyclictest0-21swapper/421:25:114
19512699240,0cyclictest0-21swapper/420:45:154
19512399240,23cyclictest198029-21date19:15:003
195121992424,0cyclictest0-21swapper/221:50:102
195121992423,1cyclictest0-21swapper/200:20:002
195121992423,1cyclictest0-21swapper/200:05:122
19511799240,3cyclictest276798-21idleruntime-cro21:30:001
19511599240,0cyclictest0-21swapper/019:50:110
195134992321,1cyclictest276786-21munin-run21:30:007
19513499230,22cyclictest271088-21sendmail21:20:007
195132992321,1cyclictest268627-21apt-get21:15:116
19513299230,22cyclictest0-21swapper/621:00:146
195128992322,1cyclictest271500-21apt-get21:20:115
19512899230,22cyclictest0-21swapper/522:00:125
19512899230,22cyclictest0-21swapper/520:15:145
19512899230,22cyclictest0-21swapper/520:10:005
195126992321,1cyclictest198038-21ls19:15:004
19512699230,22cyclictest282929-21apt-get21:40:114
195123992321,1cyclictest377350-21updatedb.plocat00:22:083
195123992321,1cyclictest216404-21apt-get19:45:113
195123992321,1cyclictest0-21swapper/320:25:123
19512399230,23cyclictest0-21swapper/320:34:593
19512399230,22cyclictest346024-21apt-get23:30:123
19512399230,22cyclictest0-21swapper/323:45:113
19512399230,22cyclictest0-21swapper/321:25:103
19512199232,21cyclictest224803-21munin-run20:00:012
19512199230,23cyclictest359882-21munin-run23:55:002
19512199230,22cyclictest0-21swapper/200:30:132
19512199230,1cyclictest293952-21sendmail-msp21:59:592
195117992319,3cyclictest363-21systemd-journal20:35:001
19511799230,22cyclictest383337-21munin-run00:35:011
19511799230,22cyclictest247941-21idleruntime-cro20:40:001
19511799230,22cyclictest201865-21apt-get19:20:121
195115992321,1cyclictest0-21swapper/023:55:100
19511599230,2cyclictest242259-21sleep20:29:590
19511599230,22cyclictest273933-21munin-run21:25:000
19513499220,22cyclictest0-21swapper/721:25:007
19513499220,21cyclictest323171-21apt-get22:50:117
19513499220,21cyclictest0-21swapper/719:55:007
19513499220,21cyclictest0-21swapper/719:35:127
19513499220,21cyclictest0-21swapper/719:15:127
19513499220,1cyclictest262926-21apt-get21:05:117
19513499220,0cyclictest0-21swapper/700:10:027
195132992221,1cyclictest320058-21apt-get22:45:126
195132992220,1cyclictest0-21swapper/623:20:006
195132992220,1cyclictest0-21swapper/623:20:006
195132992220,1cyclictest0-21swapper/620:29:596
195132992220,1cyclictest0-21swapper/619:50:126
19513299220,21cyclictest274350-21apt-get21:25:106
19513299220,21cyclictest0-21swapper/623:30:126
19513299220,21cyclictest0-21swapper/623:25:016
19513299220,21cyclictest0-21swapper/623:25:016
19513299220,1cyclictest245519-21apt-get20:35:126
195128992221,1cyclictest250821-21munin-run20:45:005
195128992221,1cyclictest0-21swapper/519:20:135
195128992220,1cyclictest348461-21basename23:35:015
19512899220,22cyclictest265775-21apt-get21:10:125
19512899220,21cyclictest0-21swapper/523:10:125
19512899220,21cyclictest0-21swapper/519:30:135
19512899220,21cyclictest0-21swapper/500:30:115
19512899220,1cyclictest0-21swapper/523:40:005
19512899220,1cyclictest0-21swapper/522:09:595
19512899220,0cyclictest195415-21apt-get19:10:105
195126992222,0cyclictest0-21swapper/422:20:114
19512699220,22cyclictest339907-21awk23:20:014
19512699220,22cyclictest339907-21awk23:20:004
19512699220,22cyclictest0-21swapper/419:55:114
19512699220,21cyclictest653-21mta-sts-daemon23:00:104
19512699220,21cyclictest0-21swapper/423:50:124
19512699220,21cyclictest0-21swapper/421:05:124
19512699220,21cyclictest0-21swapper/419:45:124
19512699220,21cyclictest0-21swapper/419:25:134
19512699220,21cyclictest0-21swapper/419:15:134
195123992222,0cyclictest0-21swapper/321:15:123
195123992221,1cyclictest0-21swapper/323:05:103
195123992221,1cyclictest0-21swapper/319:25:133
19512399220,3cyclictest221698-21awk19:55:013
19512399220,21cyclictest0-21swapper/322:05:113
19512399220,21cyclictest0-21swapper/322:00:123
19512399220,0cyclictest0-21swapper/322:35:123
19512399220,0cyclictest0-21swapper/322:30:113
19512399220,0cyclictest0-21swapper/300:25:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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