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2026-09-17 - 13:04
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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 Thu Sep 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
407840599340,4cyclictest86132-21tr22:25:180
407840599330,2cyclictest4189965-21seq20:55:220
407840599301,20cyclictest68458-21unin-run22:10:000
407840599300,2cyclictest0-21swapper/020:30:010
4078405992920,7cyclictest4083696-21apt-get19:15:120
407840599291,2cyclictest0-21swapper/021:11:070
407840599290,21cyclictest58301-21cron22:00:000
4078414992825,2cyclictest0-21swapper/323:00:003
407840599281,3cyclictest4109161-21apt-get19:40:110
407840599281,2cyclictest0-21swapper/000:15:110
407840599281,26cyclictest0-21swapper/021:30:180
407841499271,22cyclictest206639-21apt-get00:25:123
4078409992719,5cyclictest4165098-21idleruntime-cro20:35:001
4078405992720,5cyclictest119924-21apt-get23:00:110
407841499261,21cyclictest63648-21apt-get22:05:123
407841499261,21cyclictest180748-21apt-get00:00:123
407841499261,21cyclictest145249-21apt-get23:25:133
4078412992624,1cyclictest0-21swapper/221:55:122
4078412992619,1cyclictest191rcu_preempt00:25:162
407840999267,12cyclictest99342-21munin-run22:40:001
407840599262,20cyclictest150346-21apt-get23:30:110
407840599262,20cyclictest145249-21apt-get23:25:120
4078405992616,9cyclictest97440-21kthreadcore22:35:180
4078405992616,8cyclictest73775-21apt-get22:15:160
407840599261,23cyclictest180478-21cron00:00:000
407840599261,21cyclictest0-21swapper/022:10:120
407840599261,14cyclictest144995-21apt23:25:000
407840599260,2cyclictest0-21swapper/021:45:100
407840599260,25cyclictest0-21swapper/000:25:120
407841499251,20cyclictest191342-21apt-get00:10:123
407841499250,22cyclictest4191628-21grep21:00:153
407840999252,20cyclictest4098955-21apt-get19:30:121
4078409992520,3cyclictest22651-21apt-get21:25:121
407840999250,5cyclictest176161-21sort23:55:151
4078405992518,6cyclictest0-21swapper/023:10:140
407840599251,3cyclictest0-21swapper/021:05:000
407840599250,5cyclictest185590-21/usr/sbin/munin00:05:010
407840599250,23cyclictest4129133-21ls20:00:010
407840599250,20cyclictest0-21swapper/019:53:420
407840599250,20cyclictest0-21swapper/019:53:410
4078414992420,2cyclictest170600-21apt-get23:50:113
4078414992419,3cyclictest99598-21apt-get22:40:113
407841499241,20cyclictest4145069-21apt-get20:15:143
407841499240,4cyclictest4084197-21grep19:15:173
4078412992420,2cyclictest4124358-21apt-get19:55:112
4078412992419,3cyclictest514-21in:imuxsock23:30:002
407841299241,21cyclictest32766-21apt-get21:35:132
407841299241,21cyclictest212235-21grep00:30:182
407840999241,3cyclictest4093858-21apt-get19:25:101
407840999241,3cyclictest38285-21apt-get21:40:141
407840999241,20cyclictest0-21swapper/122:20:111
407840999241,20cyclictest0-21swapper/121:05:141
407840999240,22cyclictest3777322-21systemd-journal21:00:011
407840999240,21cyclictest0-21swapper/123:05:121
4078405992420,3cyclictest78865-21apt-get22:20:110
4078405992420,2cyclictest4114243-21apt-get19:45:130
4078405992419,3cyclictest37576-21sh21:40:000
4078405992418,4cyclictest170337-21cron23:50:000
407840599241,22cyclictest4103797-21idleruntime-cro19:35:000
407840599240,22cyclictest4135365-21irqcore20:05:160
4078414992319,2cyclictest7371-21apt-get21:10:123
4078414992319,2cyclictest4118101-21ntpq19:45:203
407841499231,2cyclictest27412-21cron21:30:003
407841499231,2cyclictest109740-21apt-get22:50:123
407841499231,20cyclictest4181013-21apt-get20:50:133
407841499230,20cyclictest0-21swapper/321:40:143
407841499230,20cyclictest0-21swapper/300:30:143
407841499230,19cyclictest0-21swapper/323:15:123
407841499230,19cyclictest0-21swapper/322:35:123
407841299232,2cyclictest4104069-21apt-get19:35:112
4078412992319,3cyclictest4150665-21irqcore20:20:172
407841299231,2cyclictest104648-21apt-get22:45:122
4078409992319,2cyclictest48438-21apt-get21:50:111
4078409992318,2cyclictest0-21swapper/100:15:111
407840999231,19cyclictest0-21swapper/123:35:121
407840999231,19cyclictest0-21swapper/123:10:141
407840999231,19cyclictest0-21swapper/122:50:121
407840999231,19cyclictest0-21swapper/122:25:131
407840999230,3cyclictest74281-21tr22:15:191
407840999230,21cyclictest105132-21ps22:45:171
407840999230,20cyclictest0-21swapper/123:50:111
407840999230,20cyclictest0-21swapper/100:20:121
4078405992319,2cyclictest221689-21wc00:40:010
4078405992319,2cyclictest201525-21apt-get00:20:130
4078405992318,3cyclictest4145554-21ps20:15:180
407840599231,2cyclictest0-21swapper/020:45:120
407840599231,21cyclictest4078622-21apt-get19:10:110
407840599231,21cyclictest0-21swapper/023:40:120
407840599231,20cyclictest2252-21apt-get21:05:140
407840599231,20cyclictest0-21swapper/019:20:120
4078405992311,10cyclictest114601-21turbostat22:55:000
407840599230,21cyclictest64-21kcompactd022:45:110
407840599230,20cyclictest0-21swapper/021:15:130
4078414992218,2cyclictest4134875-21apt-get20:05:123
4078414992218,2cyclictest12487-21apt-get21:15:123
4078414992215,5cyclictest28178-21irqcore21:30:143
407841499221,20cyclictest4159118-21ntpq20:25:193
407841499221,20cyclictest0-21swapper/319:13:233
407841499221,1cyclictest73775-21apt-get22:15:153
407841499221,1cyclictest196412-21apt-get00:15:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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