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2026-06-13 - 08:52
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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 13, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39988592231170,19sleep60-21swapper/619:09:486
39988592231170,19sleep60-21swapper/619:09:486
39987912230168,49sleep30-21swapper/319:08:493
39987912230168,49sleep30-21swapper/319:08:493
39987482229168,19sleep70-21swapper/719:08:127
39987482229168,19sleep70-21swapper/719:08:127
39988192212182,20sleep40-21swapper/419:09:144
39988192212182,20sleep40-21swapper/419:09:144
39985622211182,19sleep00-21swapper/019:05:320
39985622211182,19sleep00-21swapper/019:05:310
39987342209179,19sleep20-21swapper/219:07:592
39987342209179,19sleep20-21swapper/219:07:592
39985672209180,19sleep50-21swapper/519:05:375
39985672209180,19sleep50-21swapper/519:05:375
39986212205173,23sleep10-21swapper/119:06:211
39986212205173,23sleep10-21swapper/119:06:201
399910099330,32cyclictest4161340-21unix_chkpwd00:00:017
399909399330,32cyclictest0-21swapper/421:55:024
3999100993231,1cyclictest17850irq/4-ttyS022:30:017
399909499320,4cyclictest4078193-21apt-get21:30:065
399909399320,31cyclictest4127875-21cron23:00:014
399909399320,28cyclictest0-21swapper/423:05:024
399909099320,31cyclictest4105630-21cron22:20:013
3999100993130,1cyclictest17850irq/4-ttyS020:30:027
399909699311,1cyclictest966-21rs:main6
399909399310,30cyclictest4010815-21cron19:30:014
399909399310,28cyclictest0-21swapper/421:35:054
3999088993128,3cyclictest0-21swapper/221:55:072
399908899310,0cyclictest0-21swapper/223:10:042
3999082993125,5cyclictest4074988-21idleruntime-cro21:25:010
399908299310,30cyclictest4044295-21awk20:30:010
399908299310,30cyclictest4039087-21apt-get20:20:040
399910099300,29cyclictest4130947-21latency_hist23:05:027
3999096993030,0cyclictest0-21swapper/619:54:206
3999094993025,4cyclictest4002904-21apt-get19:15:055
399909499300,3cyclictest4047472-21apt-get20:35:055
3999093993026,3cyclictest4089326-21apt-get21:50:064
3999093993024,5cyclictest4080532-21cron21:35:014
399909399300,29cyclictest290-21plymouthd19:35:004
399909399300,29cyclictest0-21swapper/422:45:004
399909399300,29cyclictest0-21swapper/422:45:004
399909399300,0cyclictest0-21swapper/423:05:034
399909099300,29cyclictest0-21swapper/323:35:063
399909099300,1cyclictest4178498-21apt-get00:30:063
399908899300,29cyclictest290-21plymouthd22:55:012
399908499300,29cyclictest4130731-21http23:05:011
399908499300,29cyclictest4027529-21munin-run20:00:011
3999082993028,1cyclictest4080974-21apt-get21:35:050
3999082993025,4cyclictest4024729-21unix_chkpwd19:55:010
3999100992929,0cyclictest0-21swapper/720:50:017
3999100992928,1cyclictest0-21swapper/720:10:067
399910099290,28cyclictest4164586-21apt-get00:05:107
399910099290,28cyclictest107-21kcompactd022:38:357
399910099290,28cyclictest0-21swapper/722:50:067
399910099290,28cyclictest0-21swapper/721:45:057
399910099290,28cyclictest0-21swapper/719:40:047
399909699290,28cyclictest0-21swapper/623:35:066
399909699290,28cyclictest0-21swapper/623:20:016
399909699290,28cyclictest0-21swapper/622:20:516
399909699290,28cyclictest0-21swapper/622:05:056
399909699290,28cyclictest0-21swapper/619:35:066
399909699290,1cyclictest4069503-21latency_hist21:15:016
399909499290,28cyclictest0-21swapper/523:20:055
399909499290,28cyclictest0-21swapper/522:10:055
399909499290,28cyclictest0-21swapper/520:25:025
3999093992928,1cyclictest4041899-21apt-get20:25:054
3999093992927,1cyclictest0-21swapper/423:10:054
399909399290,29cyclictest0-21swapper/423:20:014
399909399290,28cyclictest4014040-21apt-get19:35:064
399909399290,28cyclictest0-21swapper/423:50:014
399909399290,28cyclictest0-21swapper/420:20:044
399909399290,28cyclictest0-21swapper/419:40:054
399909099290,28cyclictest0-21swapper/323:45:053
399909099290,28cyclictest0-21swapper/323:30:053
399909099290,28cyclictest0-21swapper/323:25:063
399909099290,28cyclictest0-21swapper/320:25:043
399909099290,28cyclictest0-21swapper/320:16:553
399909099290,1cyclictest4175722-21apt-get00:25:053
3999088992928,1cyclictest290-21plymouthd19:20:012
3999088992928,1cyclictest0-21swapper/219:45:062
3999088992926,3cyclictest0-21swapper/221:30:062
399908899290,29cyclictest0-21swapper/220:50:022
399908899290,28cyclictest4125542-21apt-get22:55:062
399908899290,28cyclictest0-21swapper/220:40:062
399908899290,28cyclictest0-21swapper/219:25:062
399908499290,28cyclictest0-21swapper/123:25:061
399908499290,28cyclictest0-21swapper/121:15:061
399908499290,28cyclictest0-21swapper/120:01:201
3999082992927,1cyclictest290-21plymouthd22:30:030
399908299290,29cyclictest0-21swapper/020:20:020
399908299290,28cyclictest4122765-21apt-get22:50:060
399908299290,28cyclictest0-21swapper/022:45:070
399908299290,28cyclictest0-21swapper/022:45:070
399908299290,28cyclictest0-21swapper/022:42:210
399908299290,28cyclictest0-21swapper/022:42:210
399908299290,28cyclictest0-21swapper/022:20:060
399908299290,28cyclictest0-21swapper/019:48:250
399908299290,28cyclictest0-21swapper/019:20:050
399908299290,28cyclictest0-21swapper/000:25:060
3999100992828,0cyclictest0-21swapper/721:20:057
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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