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2026-07-27 - 15:37
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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 Mon Jul 27, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
247046992927,1cyclictest0-21swapper/111:10:171
24704699271,24cyclictest527948-21sshd11:45:161
24704899263,3cyclictest379407-21apt-get09:20:122
24704699261,23cyclictest318228-21apt-get08:20:121
24704699260,6cyclictest415384-21irqcore09:55:161
24704699260,24cyclictest3777322-21systemd-journal09:35:001
24705299251,20cyclictest257406-21apt-get07:20:113
247048992521,2cyclictest425039-21apt-get10:05:122
24704899251,21cyclictest578231-21apt-get12:35:142
24704899251,21cyclictest512173-21apt-get11:30:132
24704899251,21cyclictest501985-21apt-get11:20:142
24704899251,21cyclictest344005-21apt-get08:45:142
24704699252,21cyclictest292883-21apt-get07:55:121
24704699252,21cyclictest292883-21apt-get07:55:121
247046992521,2cyclictest547715-21apt-get12:05:131
247046992520,3cyclictest384460-21apt-get09:25:121
24704699251,22cyclictest343355-21apt-key08:45:011
24704699251,21cyclictest323297-21apt-get08:25:131
247042992521,3cyclictest303021-21apt-get08:05:120
247042992519,4cyclictest557575-21sh12:15:000
24705299241,20cyclictest522328-21apt-get11:40:133
24705299241,20cyclictest0-21swapper/309:15:113
24705299240,22cyclictest455765-21taskset10:35:173
24704899242,2cyclictest252329-21apt-get07:15:142
24704899241,20cyclictest507086-21apt-get11:25:142
24704899240,4cyclictest532976-21tr11:50:192
24704899240,23cyclictest3777322-21systemd-journal09:05:002
24704699241,3cyclictest282773-21apt-get07:45:151
24704699241,3cyclictest0-21swapper/112:15:141
24704699241,3cyclictest0-21swapper/107:25:121
24704699241,2cyclictest450429-21apt-get10:30:121
24704699241,21cyclictest542646-21apt-get12:00:121
24704699241,21cyclictest537560-21apt-get11:55:151
24704699241,21cyclictest272568-21apt-get07:35:131
24704699241,21cyclictest0-21swapper/111:00:121
247042992421,2cyclictest471082-21apt-get10:50:130
247042992420,2cyclictest496896-21apt-get11:15:140
24704299241,21cyclictest455476-21apt-get10:35:130
24704299241,21cyclictest252480-21df07:15:150
247052992319,2cyclictest562947-21apt-get12:20:133
247052992319,2cyclictest491396-21apt-get11:10:123
24705299231,19cyclictest0-21swapper/311:00:123
24705299231,19cyclictest0-21swapper/310:00:133
247048992319,2cyclictest517241-21apt-get11:35:132
24704899231,2cyclictest435221-21apt-get10:15:122
24704899231,21cyclictest465304-21cron10:45:002
24704899231,20cyclictest374337-21apt-get09:15:122
24704899231,19cyclictest0-21swapper/211:55:142
24704899230,20cyclictest0-21swapper/211:10:132
247046992319,2cyclictest0-21swapper/112:20:131
247046992319,2cyclictest0-21swapper/110:05:121
247046992318,3cyclictest440290-21apt-get10:20:121
247046992318,3cyclictest297930-21apt-get08:00:121
24704699231,2cyclictest303021-21apt-get08:05:121
24704699231,21cyclictest0-21swapper/108:15:101
24704699231,20cyclictest0-21swapper/111:35:141
24704699230,21cyclictest257130-21cron07:20:001
24704299232,2cyclictest557855-21apt-get12:15:140
247042992320,2cyclictest404781-21apt-get09:45:140
247042992318,4cyclictest1-21systemd11:35:130
24704299231,20cyclictest0-21swapper/007:25:120
247042992311,11cyclictest3777322-21systemd-journal08:15:000
24704299230,3cyclictest414894-21apt-get09:55:120
24704299230,22cyclictest320594-21tr08:20:170
24704299230,21cyclictest476150-21apt-get10:55:130
247052992219,2cyclictest0-21swapper/309:50:103
24705299220,2cyclictest702-21runrttasks10:40:203
24705299220,2cyclictest466077-21tr10:45:163
24705299220,2cyclictest405265-21ps09:45:183
24705299220,20cyclictest577952-21cron12:34:593
24705299220,19cyclictest0-21swapper/312:35:143
24705299220,19cyclictest0-21swapper/311:15:143
24705299220,19cyclictest0-21swapper/307:35:133
24704899222,1cyclictest573137-21apt-get12:30:122
247048992218,2cyclictest262450-21apt-get07:25:122
24704899221,2cyclictest349043-21apt-get08:50:122
24704899221,19cyclictest0-21swapper/210:35:132
24704899220,2cyclictest0-21swapper/210:55:132
24704899220,19cyclictest369270-21apt-get09:10:132
24704899220,19cyclictest0-21swapper/211:00:112
24704899220,19cyclictest0-21swapper/209:35:122
24704899220,19cyclictest0-21swapper/207:55:122
24704899220,19cyclictest0-21swapper/207:55:122
24704899220,19cyclictest0-21swapper/207:35:122
247046992219,2cyclictest0-21swapper/111:15:141
247046992219,2cyclictest0-21swapper/109:10:141
247046992219,2cyclictest0-21swapper/108:30:121
247046992219,2cyclictest0-21swapper/107:40:131
247046992219,1cyclictest0-21swapper/111:51:021
247046992218,3cyclictest308113-21apt-get08:10:141
247046992218,2cyclictest552784-21apt-get12:10:131
247046992218,2cyclictest470409-21gpgv10:50:001
247046992218,2cyclictest409845-21apt-get09:50:101
24704699221,20cyclictest0-21swapper/109:40:181
24704699221,20cyclictest0-21swapper/109:15:121
24704699220,20cyclictest364221-21apt-get09:05:141
247042992219,1cyclictest0-21swapper/012:00:110
24704299221,2cyclictest551612-21ntpq12:05:210
24704299221,2cyclictest287813-21apt-get07:50:110
24704299221,2cyclictest0-21swapper/011:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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