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2026-05-13 - 09:00
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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 Wed May 13, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75261499291,21cyclictest870225-21apt-get21:05:110
752614992817,10cyclictest0-21swapper/022:05:000
752614992813,2cyclictest0-21swapper/019:55:010
75261499281,20cyclictest1083886-21apt-get00:35:120
752622992721,3cyclictest860092-21apt-get20:55:113
75261499270,20cyclictest64-21kcompactd020:19:570
75261499270,1cyclictest0-21swapper/023:45:110
75262299262,3cyclictest804389-21apt-get20:00:113
75262299262,21cyclictest762996-21apt-get19:20:133
752622992619,4cyclictest931573-21apt-get22:05:123
75261999261,23cyclictest1047650-21cron00:00:012
75261699262,22cyclictest910984-21apt-get21:45:121
75261699261,21cyclictest752837-21apt-get19:10:111
752614992618,7cyclictest0-21swapper/021:45:220
75261499260,1cyclictest0-21swapper/022:25:120
75262299252,3cyclictest977130-21apt-get22:50:123
75262299252,3cyclictest1047930-21apt-get00:00:123
752622992520,3cyclictest768489-21apt-get19:25:133
75262299251,4cyclictest1068091-21taskset00:17:023
75262299251,21cyclictest1084376-21sort00:35:163
75262299251,21cyclictest1073671-21apt-get00:25:143
75262299251,20cyclictest0-21swapper/321:20:103
75261699252,20cyclictest1078747-21apt-get00:30:141
75261699251,21cyclictest0-21swapper/121:35:011
75261699251,20cyclictest0-21swapper/100:05:121
752614992514,10cyclictest844615-21cron20:40:000
752614992513,11cyclictest61650irq/133-enp0s29f1:rx-020:55:110
752614992510,4cyclictest261-21systemd-journal20:00:010
75261499250,20cyclictest0-21swapper/022:50:120
75262299242,2cyclictest1037837-21apt-get23:50:123
75262299242,2cyclictest1037837-21apt-get23:50:123
752622992417,5cyclictest0-21swapper/320:20:003
75262299241,3cyclictest905952-21apt-get21:40:103
75262299241,3cyclictest814241-21sh20:10:003
75262299241,20cyclictest992358-21apt-get23:05:113
75262299240,20cyclictest0-21swapper/322:30:103
75261999242,2cyclictest941680-21apt-get22:15:112
752619992420,2cyclictest996260-21ntpq23:05:202
752619992420,2cyclictest961967-21apt-get22:35:132
75261999241,20cyclictest0-21swapper/222:40:132
75261999241,20cyclictest0-21swapper/220:05:122
75261699242,2cyclictest1027735-21apt-get23:40:121
75261699241,4cyclictest930893-21munin-run22:05:001
75261699241,3cyclictest916013-21apt-get21:50:121
75261699241,20cyclictest0-21swapper/122:20:121
75261699241,20cyclictest0-21swapper/122:05:111
75261699240,22cyclictest1064060-21grep00:15:171
75261699240,20cyclictest0-21swapper/121:55:121
752614992418,5cyclictest0-21swapper/020:00:160
752614992417,6cyclictest64-21kcompactd023:05:000
752614992417,5cyclictest809438-21apt-get20:05:110
75261499241,21cyclictest997414-21apt-get23:10:140
75261499241,21cyclictest849962-21apt-get20:45:110
75261499241,21cyclictest1017651-21apt-get23:30:120
75261499240,23cyclictest0-21swapper/019:40:100
752622992319,2cyclictest794232-21apt-get19:50:133
752622992319,2cyclictest0-21swapper/319:45:113
752622992318,3cyclictest900542-21grep21:35:013
752622992318,3cyclictest865175-21apt-get21:00:123
75262299231,2cyclictest844888-21apt-get20:40:143
75262299230,20cyclictest0-21swapper/321:50:123
752619992319,2cyclictest890424-21apt-get21:25:122
752619992319,2cyclictest1002165-21cron23:15:002
752619992318,4cyclictest987040-21apt23:00:002
75261999231,2cyclictest819569-21apt-get20:15:112
75261999230,22cyclictest1042020-21/usr/sbin/munin23:50:242
75261999230,22cyclictest1042020-21/usr/sbin/munin23:50:242
75261999230,19cyclictest0-21swapper/221:30:132
752616992320,2cyclictest972053-21apt-get22:45:121
752616992320,2cyclictest779002-21apt-get19:35:121
752616992319,2cyclictest845390-21cut20:40:181
75261699231,2cyclictest784067-21apt-get19:40:101
75261699231,20cyclictest0-21swapper/119:30:121
75261699231,19cyclictest0-21swapper/100:10:151
75261699230,20cyclictest0-21swapper/120:30:101
75261699230,19cyclictest0-21swapper/121:40:111
75261699230,19cyclictest0-21swapper/119:55:111
75261499238,5cyclictest261-21systemd-journal21:55:000
75261499232,1cyclictest875264-21apt-get21:10:150
752614992320,2cyclictest885367-21apt-get21:20:100
752614992319,2cyclictest0-21swapper/022:40:000
752614992318,4cyclictest0-21swapper/000:24:010
752614992317,4cyclictest839554-21cron20:34:590
75261499231,2cyclictest936628-21apt-get22:10:120
75261499231,2cyclictest855017-21apt-get20:50:130
75261499231,2cyclictest824649-21apt-get20:20:120
752614992312,3cyclictest61650irq/133-enp0s29f1:rx-023:55:190
752614992312,2cyclictest61650irq/133-enp0s29f1:rx-022:00:000
75261499230,22cyclictest869948-21cron21:05:000
752622992218,2cyclictest946737-21apt-get22:20:123
752622992218,2cyclictest0-21swapper/323:35:123
752622992218,2cyclictest0-21swapper/321:05:113
752622992217,2cyclictest0-21swapper/323:45:133
75262299221,2cyclictest0-21swapper/323:41:333
75262299221,2cyclictest0-21swapper/319:10:113
75262299221,1cyclictest0-21swapper/323:15:133
75262299221,19cyclictest0-21swapper/300:10:163
75262299220,3cyclictest0-21swapper/321:55:113
75262299220,2cyclictest840317-21grep20:35:153
75262299220,2cyclictest0-21swapper/323:30:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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