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2026-06-21 - 13:58
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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 Sun Jun 21, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36873282244187,46sleep20-21swapper/219:08:392
36873882243188,44sleep60-21swapper/619:09:326
36871782228166,51sleep30-21swapper/319:06:313
36872532225167,19sleep10-21swapper/119:07:341
36872662210182,18sleep50-21swapper/519:07:465
36872382208179,19sleep40-21swapper/419:07:204
36872032204174,19sleep70-21swapper/719:06:517
36871282203174,19sleep00-21swapper/019:05:470
368763799340,33cyclictest3785843-21cron22:05:014
368763799340,33cyclictest0-21swapper/421:50:054
368763799330,32cyclictest0-21swapper/423:30:014
368762999330,28cyclictest0-21swapper/121:45:041
368764299320,32cyclictest290-21plymouthd23:15:016
368764299320,31cyclictest3694281-21apt-get19:20:036
368763799320,4cyclictest0-21swapper/422:20:024
368763799320,31cyclictest0-21swapper/423:40:044
368763599320,31cyclictest279850-21systemd-journal19:30:013
368762999320,1cyclictest3772377-21apt-get21:40:051
3687628993227,4cyclictest3789094-21apt-get22:10:050
368762899320,28cyclictest0-21swapper/023:20:040
368762899320,1cyclictest3824874-21munin-run23:15:010
3687646993130,1cyclictest17850irq/4-ttyS023:10:017
3687642993127,3cyclictest3850368-21apt-get00:00:046
368763799310,31cyclictest0-21swapper/423:30:034
368763799310,30cyclictest0-21swapper/423:35:034
368763799310,30cyclictest0-21swapper/422:10:054
368763799310,22cyclictest0-21swapper/419:40:014
3687629993127,3cyclictest3825290-21apt-get23:15:061
3687629993126,4cyclictest0-21swapper/123:20:041
368762999310,30cyclictest0-21swapper/121:55:051
3687628993127,3cyclictest0-21swapper/022:15:040
3687646993027,3cyclictest3810941-21cron22:50:017
368764699300,29cyclictest0-21swapper/720:30:047
368764699300,29cyclictest0-21swapper/719:45:037
368764099300,29cyclictest3825290-21apt-get23:15:065
3687637993028,1cyclictest0-21swapper/400:30:044
3687637993028,1cyclictest0-21swapper/400:30:044
3687637993025,4cyclictest0-21swapper/422:10:024
368763799300,0cyclictest0-21swapper/423:25:014
368763799300,0cyclictest0-21swapper/422:25:034
3687632993025,4cyclictest1-21systemd23:25:012
368763299301,28cyclictest3794229-21cron22:20:012
368763299300,2cyclictest856-21dbus-daemon22:40:022
3687629993027,3cyclictest1-21systemd23:15:011
3687629993025,4cyclictest0-21swapper/122:10:051
368762999300,29cyclictest0-21swapper/121:15:011
3687646992928,1cyclictest3736104-21apt-get20:35:047
3687646992927,1cyclictest3722111-21apt-get20:10:047
368764699290,29cyclictest3853479-21munin-run00:05:007
368764699290,28cyclictest856-21dbus-daemon23:00:017
368764699290,28cyclictest3785869-21munin-run22:05:017
368764699290,28cyclictest3744459-21apt-get20:50:047
368764699290,28cyclictest3744459-21apt-get20:50:047
368764699290,28cyclictest0-21swapper/722:05:067
368764699290,28cyclictest0-21swapper/722:00:017
368764699290,28cyclictest0-21swapper/721:20:057
368764699290,28cyclictest0-21swapper/719:25:047
368764699290,28cyclictest0-21swapper/719:20:047
368764699290,1cyclictest3856321-21appstreamcli00:10:017
368764699290,1cyclictest0-21swapper/720:50:017
368764299290,28cyclictest3808584-21apt-get22:45:046
368764299290,28cyclictest0-21swapper/622:40:046
368764299290,28cyclictest0-21swapper/620:10:046
3687640992928,1cyclictest0-21swapper/522:25:035
368764099290,28cyclictest3856244-21apt-get00:10:045
368764099290,28cyclictest0-21swapper/523:40:045
368764099290,28cyclictest0-21swapper/521:05:035
368764099290,28cyclictest0-21swapper/520:50:045
368764099290,28cyclictest0-21swapper/520:50:045
368764099290,28cyclictest0-21swapper/520:50:015
3687637992927,1cyclictest290-21plymouthd23:20:014
3687637992925,4cyclictest0-21swapper/422:25:024
3687637992924,4cyclictest3819293-21cron23:05:014
368763799290,28cyclictest0-21swapper/423:10:024
368763799290,28cyclictest0-21swapper/420:05:034
368763799290,28cyclictest0-21swapper/420:00:034
368763799290,1cyclictest3716098-21cron20:00:014
368763799290,1cyclictest0-21swapper/421:10:054
3687635992928,1cyclictest0-21swapper/320:10:013
3687635992927,1cyclictest0-21swapper/323:10:023
368763599290,28cyclictest0-21swapper/323:45:033
368763599290,28cyclictest0-21swapper/322:55:053
368763599290,28cyclictest0-21swapper/322:05:043
368763599290,28cyclictest0-21swapper/322:00:053
368763599290,1cyclictest0-21swapper/322:40:023
3687632992928,1cyclictest0-21swapper/220:45:052
368763299290,28cyclictest0-21swapper/223:05:032
368763299290,28cyclictest0-21swapper/222:30:052
368763299290,28cyclictest0-21swapper/222:20:052
368763299290,28cyclictest0-21swapper/219:50:042
368763299290,1cyclictest3705428-21apt-get19:40:032
368763299290,1cyclictest0-21swapper/221:15:032
368763299290,1cyclictest0-21swapper/220:20:012
368762999290,28cyclictest0-21swapper/123:25:041
368762999290,28cyclictest0-21swapper/120:55:041
368762999290,28cyclictest0-21swapper/100:30:041
368762999290,28cyclictest0-21swapper/100:30:041
368762999290,1cyclictest3873057-21900:40:011
368762999290,1cyclictest0-21swapper/100:30:011
368762999290,1cyclictest0-21swapper/100:30:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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