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2026-05-05 - 07:28
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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 50 highest latencies:
System rack8slot4.osadl.org (updated Tue May 05, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15313002240179,19sleep50-21swapper/519:08:595
15311622218190,19sleep00-21swapper/019:07:020
15312832215186,19sleep60-21swapper/619:08:456
15312012213185,18sleep70-21swapper/719:07:337
15313052211183,19sleep10-21swapper/119:09:041
15312342211180,20sleep40-21swapper/419:08:024
15312802207179,19sleep30-21swapper/319:08:423
15311282203172,20sleep20-21swapper/219:06:312
1531594993427,6cyclictest1551724-21919:45:017
153159499340,32cyclictest374-21systemd-journal23:25:017
153159299330,29cyclictest1599023-21munin-run21:10:016
153159299330,29cyclictest1599023-21munin-run21:10:006
153158699330,32cyclictest1540981-21apt-get19:25:153
153159199320,31cyclictest1629763-21unin-run22:05:015
1531594993127,4cyclictest0-21swapper/719:40:007
1531594993126,1cyclictest1560043-21cron20:00:017
153159499310,30cyclictest0-21swapper/719:50:177
153159499310,28cyclictest0-21swapper/719:20:167
1531592993127,3cyclictest1557707-21apt-get19:55:156
153159299310,0cyclictest0-21swapper/619:40:146
1531591993129,1cyclictest0-21swapper/521:05:015
153159199310,30cyclictest1615700-21cron21:40:015
153158699310,2cyclictest1618512-21cron21:45:013
153159499300,29cyclictest1588322-21apt-get20:50:167
1531592993028,2cyclictest0-21swapper/619:35:166
1531592993027,2cyclictest374-21systemd-journal00:35:016
1531592993025,4cyclictest0-21swapper/621:15:156
153159299300,29cyclictest0-21swapper/621:10:156
153159299300,29cyclictest0-21swapper/621:10:156
153158899301,1cyclictest0-21swapper/422:20:024
153158899300,2cyclictest1683057-21apt-get23:40:154
153158899300,29cyclictest1624101-21cron21:55:014
153158699300,29cyclictest1626976-21appstreamcli22:00:043
153158299300,29cyclictest966-21rs:main2
153158099300,29cyclictest0-21swapper/121:15:161
1531577993026,3cyclictest1615711-21cron21:40:000
1531594992928,1cyclictest1711049-21apt-get00:30:167
1531594992927,2cyclictest0-21swapper/719:45:037
1531594992927,2cyclictest0-21swapper/719:30:167
153159499290,28cyclictest0-21swapper/721:50:037
153159499290,28cyclictest0-21swapper/721:05:187
153159499290,28cyclictest0-21swapper/721:05:177
153159499290,28cyclictest0-21swapper/700:35:147
153159499290,1cyclictest1593895-21apt-get21:00:157
153159499290,1cyclictest1577192-21apt-get20:30:157
1531592992927,1cyclictest1618951-21apt-get21:45:156
153159299290,29cyclictest0-21swapper/620:40:156
153159299290,28cyclictest0-21swapper/621:25:166
153159299290,1cyclictest1638385-21tar22:20:026
153159299290,1cyclictest0-21swapper/622:25:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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