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2026-05-21 - 22:56
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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 May 21, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
406768999331,3cyclictest175475-21grep12:05:143
4067689993016,6cyclictest4124542-21munin-plugin-st08:05:003
406768999301,3cyclictest4185859-21apt-get09:05:123
406768999301,2cyclictest0-21swapper/307:40:003
406768999301,2cyclictest0-21swapper/307:39:593
406768999300,2cyclictest4072876-21sed07:15:003
4067680993015,13cyclictest4175081-21cron08:55:010
406768099301,26cyclictest0-21swapper/009:05:130
406768099301,1cyclictest103162-21apt-get10:55:110
4067689992916,5cyclictest48056-21tr10:00:183
406768999290,22cyclictest153905-21cron11:45:003
406768999290,20cyclictest21956-21systemd-run09:35:003
406768099291,2cyclictest4139976-21apt-get08:20:110
406768099290,3cyclictest46577-21/usr/sbin/munin09:55:220
406768099290,28cyclictest0-21swapper/010:40:100
406768099290,20cyclictest175473-21grep12:05:150
406768099290,1cyclictest4072864-21apt-config07:15:000
406768999281,20cyclictest87970-21apt-get10:40:093
406768999280,3cyclictest82892-21/usr/sbin/munin10:35:133
406768099281,20cyclictest149109-21apt-get11:40:110
406768099280,1cyclictest0-21swapper/011:20:220
4067689992718,2cyclictest0-21swapper/307:50:153
406768999271,4cyclictest4150066-21apt-get08:30:123
406768999271,3cyclictest4129865-21apt-get08:10:113
406768999271,1cyclictest0-21swapper/308:20:113
406768999270,23cyclictest0-21swapper/311:10:113
4067684992722,3cyclictest4073027-21cat07:15:001
4067680992716,10cyclictest77586-21idleruntime-cro10:30:000
4067680992716,10cyclictest77586-21idleruntime-cro10:30:000
406768099271,20cyclictest4114723-21apt-get07:55:120
4067689992618,6cyclictest0-21swapper/307:55:123
406768999261,4cyclictest4139690-21cron08:20:003
406768999261,2cyclictest0-21swapper/307:30:113
406768999261,23cyclictest195746-21cron12:25:003
406768999261,22cyclictest2022-21apt-get09:15:133
406768499264,2cyclictest21921-21cron09:34:591
4067684992622,3cyclictest153916-21cron11:45:001
406768499262,21cyclictest4145011-21apt-get08:25:111
406768499261,4cyclictest0-21swapper/107:40:001
406768499261,4cyclictest0-21swapper/107:40:001
4067680992618,7cyclictest0-21swapper/011:45:230
4067680992617,6cyclictest500-21dbus-daemon07:40:000
4067680992617,6cyclictest500-21dbus-daemon07:40:000
406768999251,2cyclictest179763-21apt-get12:10:013
406768999251,23cyclictest0-21swapper/311:39:433
406768999251,21cyclictest185491-21apt-get12:15:133
406768999251,21cyclictest160175-21ps11:50:133
406768999251,21cyclictest0-21swapper/312:30:123
406768999251,1cyclictest0-21swapper/312:28:383
406768999250,2cyclictest64-21kcompactd011:49:253
406768999250,21cyclictest37395-21apt-get09:50:133
406768499253,21cyclictest0-21swapper/108:40:161
406768499252,3cyclictest4114726-21chrt07:55:131
406768499250,2cyclictest143747-21cron11:35:011
4067680992517,7cyclictest64-21kcompactd011:39:440
4067680992512,3cyclictest4110154-21grep07:50:150
4067680992512,2cyclictest0-21swapper/010:00:160
4067680992510,3cyclictest4124534-21turbostat08:05:000
406768099250,1cyclictest0-21swapper/010:20:140
4067689992420,3cyclictest0-21swapper/308:25:123
4067689992420,2cyclictest0-21swapper/309:10:123
4067689992418,4cyclictest0-21swapper/309:35:003
4067689992418,1cyclictest0-21swapper/311:24:403
406768999241,3cyclictest4170812-21sed08:50:163
406768999241,3cyclictest4155123-21apt-get08:35:123
406768999241,3cyclictest0-21swapper/311:15:123
406768999241,21cyclictest0-21swapper/312:00:123
406768999241,21cyclictest0-21swapper/311:05:023
406768999241,21cyclictest0-21swapper/307:15:023
4067687992421,2cyclictest118472-21idleruntime-cro11:10:002
4067687992417,2cyclictest191rcu_preempt09:00:192
406768799241,3cyclictest194849-21ntpq12:20:212
406768799240,5cyclictest198269-21sed12:25:162
4067684992420,2cyclictest159689-21apt-get11:50:101
4067684992419,4cyclictest4104333-21cron07:45:001
406768499241,3cyclictest5913-21ntpq09:15:211
406768499241,3cyclictest4119753-21apt-get08:00:121
4067680992417,6cyclictest0-21swapper/011:10:110
4067680992413,3cyclictest61650irq/133-enp0s29f1:rx-009:30:200
4067680992411,2cyclictest0-21swapper/007:25:000
4067689992319,2cyclictest0-21swapper/308:10:003
406768999231,2cyclictest62669-21apt-get10:15:133
406768999231,19cyclictest0-21swapper/309:00:013
406768999230,3cyclictest27759-21cut09:40:143
406768999230,3cyclictest0-21swapper/310:25:113
406768999230,3cyclictest0-21swapper/310:25:113
4067687992319,2cyclictest7059-21apt-get09:20:122
406768799231,2cyclictest4134921-21apt-get08:15:132
406768799231,2cyclictest27255-21apt-get09:40:102
406768799230,22cyclictest139482-21ps11:30:162
406768799230,20cyclictest0-21swapper/208:25:122
4067684992320,1cyclictest0-21swapper/107:30:121
4067684992319,3cyclictest29486-21ps09:40:151
4067684992319,3cyclictest0-21swapper/110:10:011
4067684992318,4cyclictest88471-21grep10:40:141
4067684992318,3cyclictest3777322-21systemd-journal08:25:001
406768499231,3cyclictest4159914-21cron08:40:001
406768099239,4cyclictest185491-21apt-get12:15:130
4067680992319,2cyclictest195747-21cron12:25:000
4067680992318,4cyclictest0-21swapper/007:30:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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