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2026-06-27 - 06:46
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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 Jun 27, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9848932234171,19sleep30-21swapper/319:05:333
9851932230169,18sleep60-21swapper/619:09:556
9850312228168,49sleep10-21swapper/119:07:321
9849782228166,19sleep40-21swapper/419:06:474
9851962224168,45sleep00-21swapper/019:09:570
9851892217187,20sleep20-21swapper/219:09:512
9849162212183,19sleep70-21swapper/719:05:537
9849972204175,19sleep50-21swapper/519:07:045
985447993626,6cyclictest1-21systemd23:10:023
98545699340,33cyclictest0-21swapper/723:20:017
98545699340,33cyclictest0-21swapper/722:45:037
98545699340,28cyclictest1103797-21cron22:45:017
98545699340,1cyclictest1110068-21munin-run22:55:027
98545699330,32cyclictest0-21swapper/700:20:027
98545599330,31cyclictest1036957-21cron20:45:016
98545099330,1cyclictest0-21swapper/400:30:024
98544799330,28cyclictest0-21swapper/300:15:013
98544499330,32cyclictest279850-21systemd-journal19:45:012
985456993227,4cyclictest0-21swapper/700:30:037
98545699320,0cyclictest0-21swapper/700:30:017
98545599320,31cyclictest1129000-21awk23:30:016
985450993227,4cyclictest0-21swapper/422:55:024
98545099320,4cyclictest989562-21unix_chkpwd19:20:014
98545099320,32cyclictest0-21swapper/400:25:014
985444993228,3cyclictest1031379-21cron20:35:012
98544799310,30cyclictest1-21systemd00:02:183
98544799310,28cyclictest1157593-21apt-get00:20:023
985444993127,3cyclictest998025-21latency_hist19:35:022
98544499310,3cyclictest1154794-21cron00:15:012
98544499310,30cyclictest1034217-21920:40:012
985456993028,1cyclictest1034154-21cron20:40:017
985456993028,1cyclictest1001133-21apt-get19:40:027
985456993025,5cyclictest0-21swapper/722:40:017
98545699300,29cyclictest107-21kcompactd000:12:317
985455993029,0cyclictest0-21swapper/622:55:046
98545599300,2cyclictest81-21ksoftirqd/622:45:016
98545599300,29cyclictest1-21systemd22:20:016
98545599300,29cyclictest0-21swapper/600:30:036
98545299300,29cyclictest0-21swapper/500:04:595
985450993027,3cyclictest107-21kcompactd022:48:384
98545099300,30cyclictest0-21swapper/423:08:324
98545099300,30cyclictest0-21swapper/400:15:014
985447993028,2cyclictest856-21dbus-daemon19:35:023
985447993025,5cyclictest0-21swapper/300:30:013
98544799300,28cyclictest0-21swapper/323:00:283
98544799300,28cyclictest0-21swapper/321:30:023
98544799300,28cyclictest0-21swapper/321:30:023
985444993026,3cyclictest1131754-21awk23:35:012
985444993025,4cyclictest1109987-21unix_chkpwd22:55:012
98544399300,30cyclictest1115070-21/usr/sbin/munin23:05:021
98544099300,2cyclictest1129053-21sed23:30:010
98544099300,29cyclictest1126302-21cat23:25:010
98544099300,29cyclictest1087091-21munin-run22:15:010
985456992927,1cyclictest1003908-21apt-get19:45:027
985456992927,1cyclictest0-21swapper/720:25:027
98545699290,28cyclictest0-21swapper/723:55:027
98545699290,28cyclictest0-21swapper/720:50:017
98545699290,28cyclictest0-21swapper/700:05:037
98545699290,1cyclictest1084690-21apt-get22:10:037
985455992928,1cyclictest0-21swapper/600:10:026
985455992927,1cyclictest0-21swapper/621:10:026
98545599290,28cyclictest290-21plymouthd22:06:106
98545599290,28cyclictest1123345-21latency_hist23:20:016
98545599290,28cyclictest0-21swapper/622:20:026
98545599290,28cyclictest0-21swapper/621:40:036
98545599290,28cyclictest0-21swapper/619:50:026
98545599290,28cyclictest0-21swapper/619:45:026
98545599290,28cyclictest0-21swapper/600:35:026
98545599290,28cyclictest0-21swapper/600:06:366
98545599290,28cyclictest0-21swapper/600:00:016
985452992927,1cyclictest0-21swapper/522:10:035
985452992927,1cyclictest0-21swapper/519:25:045
98545299290,28cyclictest0-21swapper/523:25:035
98545299290,28cyclictest0-21swapper/523:00:035
98545299290,28cyclictest0-21swapper/522:24:275
98545299290,28cyclictest0-21swapper/521:10:025
98545299290,28cyclictest0-21swapper/520:55:035
98545299290,28cyclictest0-21swapper/520:05:045
98545299290,28cyclictest0-21swapper/500:40:015
98545299290,1cyclictest0-21swapper/500:07:085
985450992927,2cyclictest0-21swapper/400:10:014
985450992927,1cyclictest0-21swapper/422:35:014
985450992925,3cyclictest1-21systemd19:45:014
985450992923,1cyclictest0-21swapper/423:05:024
98545099290,29cyclictest0-21swapper/422:35:444
98545099290,28cyclictest1070781-21apt-get21:45:034
98545099290,28cyclictest0-21swapper/423:45:004
98545099290,28cyclictest0-21swapper/422:07:154
98545099290,28cyclictest0-21swapper/422:00:024
98545099290,28cyclictest0-21swapper/421:40:024
98545099290,28cyclictest0-21swapper/420:50:024
98545099290,28cyclictest0-21swapper/419:35:024
98545099290,28cyclictest0-21swapper/400:30:014
98545099290,1cyclictest0-21swapper/420:45:014
98545099290,0cyclictest0-21swapper/400:17:534
985447992927,2cyclictest0-21swapper/300:31:523
985447992927,1cyclictest0-21swapper/323:10:023
985447992927,1cyclictest0-21swapper/319:50:013
98544799290,28cyclictest0-21swapper/323:25:123
98544799290,28cyclictest0-21swapper/321:45:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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