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2026-04-25 - 04:41
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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 100 highest latencies:
System rack8slot4.osadl.org (updated Sat Apr 25, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14531022235175,18sleep20-21swapper/219:06:142
14532612225165,49sleep30-21swapper/319:08:333
14532752220189,20sleep60-21swapper/619:08:436
14532162215186,19sleep40-21swapper/419:07:534
14533482213185,18sleep50-21swapper/519:09:475
14533612212180,21sleep70-21swapper/719:09:567
14530912206177,20sleep00-21swapper/019:06:030
14532882205174,20sleep10-21swapper/119:08:551
145358699330,28cyclictest0-21swapper/721:10:127
145357199330,4cyclictest1487573-21cron20:10:021
145358599320,31cyclictest1599095-21cron23:30:016
145358099320,4cyclictest381-21systemd-journal23:35:014
145358599312,1cyclictest1493127-21cron20:20:026
145358099310,30cyclictest1-21systemd20:10:024
1453576993128,2cyclictest381-21systemd-journal20:15:023
145357699310,3cyclictest1605127-21apt-get23:40:133
145357699310,31cyclictest1-21systemd21:50:013
1453574993129,1cyclictest0-21swapper/221:30:132
1453574993128,2cyclictest0-21swapper/221:10:012
1453586993028,2cyclictest0-21swapper/700:05:027
1453586993028,1cyclictest1613456-21apt-get23:55:127
1453586993027,3cyclictest0-21swapper/723:35:127
1453585993028,1cyclictest0-21swapper/622:35:006
1453585993027,2cyclictest1479221-21cron19:55:026
145358599300,2cyclictest381-21systemd-journal00:10:026
1453574993027,2cyclictest1515840-21tar21:00:012
145357499300,29cyclictest1576769-21apt-get22:50:012
1453571993028,1cyclictest290-21plymouthd20:25:021
1453571993027,2cyclictest1624152-21cron00:15:021
145357199300,2cyclictest381-21systemd-journal22:20:001
145357199300,29cyclictest1563297-21apt-get22:25:131
145357199300,29cyclictest1563297-21apt-get22:25:131
145357199300,29cyclictest0-21swapper/122:50:121
1453569993027,3cyclictest1-21systemd22:15:010
1453569993027,2cyclictest0-21swapper/023:15:130
145356999300,29cyclictest1621814-21apt-get00:10:130
145356999300,29cyclictest0-21swapper/021:20:110
1453586992928,1cyclictest1580022-21apt-get22:55:127
1453586992927,2cyclictest0-21swapper/721:15:137
1453586992927,1cyclictest0-21swapper/720:40:117
145358699290,28cyclictest0-21swapper/719:55:137
145358699290,28cyclictest0-21swapper/719:50:137
1453585992928,1cyclictest1549390-21apt-get22:00:136
145358599290,28cyclictest1501559-21apt-get20:35:036
145358599290,28cyclictest1-21systemd23:55:026
145358599290,28cyclictest0-21swapper/622:50:016
145358599290,28cyclictest0-21swapper/619:20:016
145358599290,28cyclictest0-21swapper/600:35:136
145358599290,1cyclictest1496411-21apt-get20:25:146
145358599290,1cyclictest1468526-21apt-get19:35:126
145358599290,1cyclictest1-21systemd21:10:016
1453582992927,1cyclictest0-21swapper/520:35:035
145358299290,28cyclictest1577245-21apt-get22:50:125
145358299290,28cyclictest1507603-21apt-get20:45:145
145358299290,28cyclictest0-21swapper/520:50:125
145358299290,28cyclictest0-21swapper/520:10:135
145358299290,28cyclictest0-21swapper/519:35:125
145358299290,1cyclictest1484839-21920:05:025
145358099290,29cyclictest1495929-21sh20:25:014
145358099290,28cyclictest0-21swapper/422:50:124
145358099290,28cyclictest0-21swapper/422:25:134
145358099290,28cyclictest0-21swapper/422:25:134
1453576992926,2cyclictest1548919-21cron22:00:013
145357699290,29cyclictest1582856-21apt-get23:00:133
145357699290,28cyclictest0-21swapper/323:05:123
145357699290,28cyclictest0-21swapper/322:50:123
145357699290,28cyclictest0-21swapper/322:40:133
145357699290,28cyclictest0-21swapper/321:25:133
145357699290,28cyclictest0-21swapper/319:20:133
145357699290,28cyclictest0-21swapper/300:20:123
145357699290,1cyclictest0-21swapper/320:30:003
145357699290,1cyclictest0-21swapper/300:05:023
145357499290,29cyclictest0-21swapper/220:50:012
145357499290,28cyclictest290-21plymouthd20:15:022
145357499290,28cyclictest1610677-21apt-get23:50:122
145357499290,28cyclictest1471324-21apt-get19:40:122
145357499290,28cyclictest0-21swapper/221:35:132
145357499290,28cyclictest0-21swapper/220:15:142
145357499290,28cyclictest0-21swapper/219:50:122
145357499290,28cyclictest0-21swapper/219:35:102
145357499290,1cyclictest1543374-21turbostat.cron21:50:012
145357199290,28cyclictest0-21swapper/122:30:131
145357199290,28cyclictest0-21swapper/119:30:121
145357199290,28cyclictest0-21swapper/100:20:131
145357199290,1cyclictest0-21swapper/123:30:111
145357199290,1cyclictest0-21swapper/100:20:011
1453569992926,3cyclictest0-21swapper/022:40:130
145356999290,28cyclictest0-21swapper/021:30:130
1453586992828,0cyclictest0-21swapper/722:50:037
1453586992827,1cyclictest1557720-21apt-get22:15:137
1453586992827,1cyclictest1552168-21apt-get22:05:137
1453586992827,1cyclictest0-21swapper/722:00:137
145358699280,28cyclictest1596378-21923:25:027
145358699280,28cyclictest0-21swapper/722:35:137
145358699280,28cyclictest0-21swapper/720:45:137
1453585992828,0cyclictest0-21swapper/620:05:126
1453585992827,1cyclictest381-21systemd-journal23:10:016
1453585992827,1cyclictest1474101-21apt-get19:45:136
1453585992827,1cyclictest0-21swapper/621:45:006
1453585992827,1cyclictest0-21swapper/620:00:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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