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2026-06-25 - 20:18
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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 Thu Jun 25, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6279242225171,17sleep50-21swapper/507:09:105
6278072224171,17sleep00-21swapper/007:07:280
6277362213183,20sleep30-21swapper/307:06:263
6276442213184,19sleep60-21swapper/607:05:166
6278182210182,18sleep20-21swapper/207:07:382
6277762206177,19sleep70-21swapper/707:07:027
6276992205176,19sleep40-21swapper/407:05:544
6277902204176,19sleep10-21swapper/107:07:121
628185993433,1cyclictest1-21systemd08:50:010
62819899330,32cyclictest0-21swapper/512:35:035
628195993227,4cyclictest807340-21latency_hist12:30:014
628195993227,4cyclictest734711-21sqv10:20:024
628191993228,3cyclictest810195-21apt-get12:35:032
62818999320,31cyclictest668130-21latency_hist08:20:011
62818599320,31cyclictest723505-21cron10:00:010
628203993128,2cyclictest734742-21appstreamcli10:20:037
628203993127,3cyclictest768112-21cron11:20:017
628198993127,4cyclictest662649-21apt-get08:10:035
628195993127,4cyclictest0-21swapper/412:25:014
628195993127,3cyclictest695719-21sd-close09:10:014
62819599310,3cyclictest1-21systemd09:05:014
62819599310,0cyclictest0-21swapper/408:20:014
628194993128,2cyclictest709650-21/usr/sbin/munin09:35:013
628194993127,3cyclictest751471-21true10:50:013
62819499312,1cyclictest521rcuc/308:20:023
62819499311,29cyclictest0-21swapper/307:10:043
62819499310,30cyclictest690191-21909:00:013
62818599310,30cyclictest770912-21cron11:25:010
62818599310,30cyclictest754207-21cron10:55:010
628203993029,1cyclictest17850irq/4-ttyS011:25:017
62820399300,30cyclictest723954-21apt-get10:00:037
62820399300,28cyclictest0-21swapper/709:50:027
62820399300,28cyclictest0-21swapper/709:05:017
62819899300,29cyclictest774118-21apt-get11:30:035
62819899300,29cyclictest773674-21cron11:30:015
628195993028,1cyclictest0-21swapper/410:05:024
628194993029,1cyclictest521rcuc/308:30:013
62819499300,29cyclictest659444-21cron08:05:013
62819499300,29cyclictest0-21swapper/311:55:033
62819199300,30cyclictest698495-21awk09:15:012
62819199300,29cyclictest665463-21/usr/sbin/munin08:15:032
628189993028,2cyclictest634357-21cron07:20:011
62818999300,29cyclictest756981-21cron11:00:011
628185993027,2cyclictest734733-21munin-run10:20:020
628203992928,1cyclictest0-21swapper/712:15:047
62820399290,28cyclictest0-21swapper/712:35:037
62820399290,28cyclictest0-21swapper/711:30:037
62820399290,28cyclictest0-21swapper/710:30:037
62820399290,28cyclictest0-21swapper/709:15:017
62820399290,28cyclictest0-21swapper/708:50:017
62820399290,1cyclictest762983-21apt-get11:10:027
62820399290,1cyclictest0-21swapper/707:30:027
628201992927,1cyclictest785258-21apt-get11:50:036
628201992927,1cyclictest0-21swapper/609:15:026
628201992927,1cyclictest0-21swapper/608:45:016
628201992927,1cyclictest0-21swapper/608:45:016
62820199290,28cyclictest668102-21apt-get08:20:026
62820199290,28cyclictest0-21swapper/612:20:036
62820199290,28cyclictest0-21swapper/611:30:036
62820199290,28cyclictest0-21swapper/611:10:026
62820199290,1cyclictest804743-21apt-get12:25:026
62820199290,1cyclictest0-21swapper/610:20:056
628198992926,3cyclictest0-21swapper/508:05:025
628198992926,2cyclictest665464-21apt-get08:15:035
62819899290,29cyclictest0-21swapper/508:25:045
62819899290,29cyclictest0-21swapper/507:15:015
62819899290,28cyclictest0-21swapper/511:35:035
62819899290,28cyclictest0-21swapper/510:20:045
62819899290,28cyclictest0-21swapper/508:50:025
62819899290,1cyclictest0-21swapper/508:55:035
628195992925,4cyclictest1-21systemd08:15:014
62819599290,28cyclictest684960-21apt-get08:50:034
62819599290,28cyclictest0-21swapper/410:25:034
628194992929,0cyclictest0-21swapper/312:30:023
628194992927,1cyclictest729085-21latency_hist10:10:013
628194992924,4cyclictest765323-21unix_chkpwd11:15:013
62819499290,28cyclictest634416-21systemd-run07:20:013
62819499290,28cyclictest0-21swapper/311:35:023
62819499290,28cyclictest0-21swapper/310:35:023
62819499290,28cyclictest0-21swapper/310:20:053
62819499290,28cyclictest0-21swapper/309:20:033
62819499290,1cyclictest0-21swapper/310:40:023
628191992928,1cyclictest0-21swapper/207:45:012
628191992927,2cyclictest0-21swapper/208:25:042
628191992926,3cyclictest0-21swapper/208:05:032
628191992926,2cyclictest0-21swapper/208:15:012
62819199290,28cyclictest707245-21apt-get09:30:032
62819199290,28cyclictest704468-21apt-get09:25:032
62819199290,28cyclictest0-21swapper/211:30:032
62819199290,1cyclictest668102-21apt-get08:20:022
62818999290,29cyclictest890-21systemd-logind12:30:011
62818999290,29cyclictest796045-21munin-run12:10:011
62818999290,28cyclictest801965-21apt-get12:20:031
62818999290,28cyclictest0-21swapper/112:00:021
62818999290,28cyclictest0-21swapper/107:40:041
62818999290,1cyclictest765401-21ls11:15:011
628185992927,1cyclictest654293-21apt-get07:55:030
62818599290,28cyclictest695833-21apt-get09:10:020
62818599290,28cyclictest0-21swapper/011:55:030
62818599290,28cyclictest0-21swapper/008:35:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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