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2026-05-17 - 13:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Sun May 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62790299301,21cyclictest776164-21apt-get21:35:122
62790299291,21cyclictest0-21swapper/223:15:132
62790299290,25cyclictest0-21swapper/219:20:112
62790299281,2cyclictest827336-21apt-get22:25:142
62790299281,2cyclictest0-21swapper/223:31:192
62790299280,19cyclictest0-21swapper/222:50:132
62790299280,19cyclictest0-21swapper/200:35:122
62790299271,2cyclictest674057-21apt-get19:55:112
62790299271,22cyclictest919254-21apt-get23:55:132
62790299270,7cyclictest699340-21seq20:20:122
62790299262,21cyclictest949599-21apt-get00:25:142
627902992621,3cyclictest653362-21apt-get19:35:122
627902992620,3cyclictest899078-21apt-get23:35:122
62789499261,22cyclictest924290-21apt-get00:00:100
62790299252,3cyclictest669002-21apt-get19:50:132
627902992520,3cyclictest663887-21apt-get19:45:032
62790299251,4cyclictest878095-21latency_hist23:15:012
627902992514,3cyclictest0-21swapper/223:40:132
62790299251,3cyclictest643278-21apt-get19:25:132
62790299251,21cyclictest817196-21apt-get22:15:122
62790299251,20cyclictest745780-21apt-get21:05:132
62790299250,21cyclictest0-21swapper/221:55:122
62790299250,20cyclictest64-21kcompactd022:14:252
62789499252,2cyclictest734774-21apt-get20:55:140
62789499251,22cyclictest760951-21apt-get21:20:120
62789499250,23cyclictest934173-21cron00:10:000
627904992422,1cyclictest837228-21cron22:35:003
62790499241,21cyclictest719556-21apt-get20:40:123
62790499240,23cyclictest688058-21chrt20:05:213
62790499240,22cyclictest0-21swapper/300:00:103
627902992419,4cyclictest0-21swapper/220:46:162
627902992419,3cyclictest807085-21apt-get22:05:132
62790299241,3cyclictest658419-21apt-get19:40:122
62790299241,2cyclictest648347-21apt-get19:30:252
62790299241,22cyclictest891188-21sed23:25:172
62790299241,20cyclictest857762-21apt-get22:55:132
62790299240,21cyclictest0-21swapper/223:45:122
62790299240,20cyclictest0-21swapper/221:40:132
62790299240,1cyclictest64-21kcompactd020:32:492
62789899241,21cyclictest771107-21apt-get21:30:111
627894992418,3cyclictest261-21systemd-journal20:35:000
627904992320,1cyclictest909165-21apt-get23:45:123
62790499231,2cyclictest791375-21apt-get21:50:103
62790499231,2cyclictest791375-21apt-get21:50:103
62790499231,2cyclictest0-21swapper/321:25:133
62790499230,20cyclictest945065-21grep00:20:163
62790499230,20cyclictest0-21swapper/323:27:013
62790499230,20cyclictest0-21swapper/321:00:133
627902992316,2cyclictest929370-21apt-get00:05:122
62790299231,3cyclictest0-21swapper/221:20:122
62790299231,2cyclictest729668-21apt-get20:50:112
62790299231,2cyclictest0-21swapper/223:20:202
62790299231,2cyclictest0-21swapper/223:00:132
627902992312,2cyclictest3871586-21snmpd22:00:152
62790299231,20cyclictest0-21swapper/221:50:152
62790299231,20cyclictest0-21swapper/221:50:152
62790299231,20cyclictest0-21swapper/220:00:122
62790299230,20cyclictest0-21swapper/222:20:122
62790299230,20cyclictest0-21swapper/219:10:132
62790299230,20cyclictest0-21swapper/219:10:132
627898992320,2cyclictest0-21swapper/121:10:001
627898992317,4cyclictest908889-21cron23:45:001
62789899231,2cyclictest781220-21apt-get21:40:131
62789899231,20cyclictest0-21swapper/122:20:121
62789899230,19cyclictest0-21swapper/100:10:111
627894992320,2cyclictest766031-21apt-get21:25:130
62789499231,21cyclictest944563-21apt-get00:20:110
62789499230,21cyclictest775885-21cron21:34:590
62789499230,20cyclictest0-21swapper/019:50:130
62789499230,1cyclictest740299-21apt-get21:00:120
62790499222,1cyclictest811892-21turbostat22:10:003
62790499222,19cyclictest837489-21apt-get22:35:123
627904992218,3cyclictest960277-21irqcore00:35:163
62790499220,21cyclictest725093-21tr20:45:173
62790499220,20cyclictest852419-21cron22:50:003
62790499220,20cyclictest0-21swapper/321:20:123
62790499220,19cyclictest0-21swapper/321:40:133
627902992218,2cyclictest0-21swapper/222:40:122
627902992217,4cyclictest0-21swapper/200:10:332
627902992216,3cyclictest0-21swapper/221:25:132
62790299220,2cyclictest929113-21munin-run00:05:002
62790299220,2cyclictest64-21kcompactd020:43:022
62790299220,20cyclictest745117-21systemd-run21:04:592
62789899222,19cyclictest684191-21apt-get20:05:131
62789899221,20cyclictest837217-21idleruntime-cro22:35:001
62789899220,19cyclictest0-21swapper/123:05:111
62789899220,19cyclictest0-21swapper/122:25:151
62789899220,19cyclictest0-21swapper/122:10:111
62789899220,19cyclictest0-21swapper/100:20:111
627894992219,2cyclictest903851-21grep23:40:000
627894992219,2cyclictest796480-21apt-get21:55:120
627894992219,1cyclictest652190-21ntpq19:30:320
627894992219,1cyclictest0-21swapper/019:15:120
62789499221,2cyclictest0-21swapper/023:27:010
62789499221,2cyclictest0-21swapper/021:50:110
62789499221,2cyclictest0-21swapper/021:50:110
62789499220,2cyclictest663573-21store19:45:000
62789499220,2cyclictest211rcuc/020:10:010
62789499220,2cyclictest0-21swapper/021:45:120
627904992119,1cyclictest0-21swapper/321:31:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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