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2026-05-12 - 05:58
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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 Tue May 12, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
183195599319,2cyclictest0-21swapper/021:50:010
1831958993028,1cyclictest0-21swapper/122:15:001
183195899283,5cyclictest2138112-21cron00:10:001
183195899280,2cyclictest2102147-21apt-get23:35:001
183196599271,24cyclictest516-21rs:main3
183196299262,3cyclictest2046690-21apt-get22:40:122
1831955992623,2cyclictest2107247-21munin-plugin-st23:40:000
1831965992521,2cyclictest1934232-21apt-get20:50:143
183196599251,21cyclictest1954402-21apt-get21:10:133
183196599250,22cyclictest2133315-21apt-get00:05:133
1831958992520,3cyclictest2036559-21apt-get22:30:121
1831958992520,3cyclictest2026474-21apt-get22:20:111
1831958992520,3cyclictest1842278-21apt-get19:20:111
183195899251,3cyclictest1975043-21apt-get21:30:121
183195599251,3cyclictest2066998-21apt-get23:00:130
1831965992420,2cyclictest1867970-21apt-get19:45:123
1831965992420,2cyclictest1832169-21apt-get19:10:113
183196599241,3cyclictest2087236-21apt-get23:20:103
183196599241,20cyclictest2158678-21apt-get00:30:133
183196599240,21cyclictest64-21kcompactd020:15:173
183196599240,21cyclictest1929689-21tr20:45:163
1831962992420,2cyclictest1958326-21ntpq21:10:242
1831962992418,4cyclictest2011293-21taskset22:05:122
1831962992418,4cyclictest2011293-21taskset22:05:112
183196299240,3cyclictest2112329-21munin-plugin-st23:45:002
183196299240,20cyclictest0-21swapper/200:30:132
1831958992420,2cyclictest2107505-21apt-get23:40:121
1831958992420,2cyclictest1949368-21apt-get21:05:121
183195899241,22cyclictest2138364-21/usr/sbin/munin00:10:131
183195899241,21cyclictest2076826-21cron23:10:011
183195899241,21cyclictest2001205-21apt-get21:55:121
183195899241,21cyclictest1980097-21apt-get21:35:121
183195899241,21cyclictest0-21swapper/122:35:171
1831955992420,3cyclictest2164172-21apt-get00:35:120
1831955992420,3cyclictest2164172-21apt-get00:35:120
1831955992420,2cyclictest1985153-21apt-get21:40:140
183195599241,3cyclictest2128260-21apt-get00:00:110
183195599241,21cyclictest1-21systemd21:55:000
183195599240,21cyclictest1929174-21acpi20:45:120
1831965992319,2cyclictest2138891-21grep00:10:153
1831965992319,2cyclictest2006261-21apt-get22:00:143
1831965992318,2cyclictest0-21swapper/321:05:133
183196599231,20cyclictest2107232-21cron23:40:003
183196599230,22cyclictest2097099-21awk23:30:003
183196599230,21cyclictest1975991-21ps21:30:173
183196599230,20cyclictest0-21swapper/323:00:133
183196599230,20cyclictest0-21swapper/322:50:143
183196599230,19cyclictest0-21swapper/320:00:113
1831962992320,2cyclictest2117389-21cron23:50:002
1831962992319,3cyclictest2148273-21idleruntime-cro00:20:002
183196299230,20cyclictest0-21swapper/223:00:122
183196299230,20cyclictest0-21swapper/221:25:132
183196299230,20cyclictest0-21swapper/220:10:132
183196299230,20cyclictest0-21swapper/219:45:122
183196299230,20cyclictest0-21swapper/219:30:112
183196299230,20cyclictest0-21swapper/200:35:022
183196299230,20cyclictest0-21swapper/200:35:022
183196299230,19cyclictest0-21swapper/219:50:122
1831958992318,3cyclictest2066728-21sh23:00:001
183195899231,2cyclictest2021441-21apt-get22:15:101
183195899231,2cyclictest1878053-21apt-get19:55:131
183195899231,2cyclictest0-21swapper/100:35:121
183195899231,2cyclictest0-21swapper/100:35:121
183195899230,3cyclictest1959226-21apt-config21:15:001
183195899230,21cyclictest702-21runrttasks21:15:131
1831955992319,2cyclictest2097348-21apt-get23:30:120
1831955992319,2cyclictest1975043-21apt-get21:30:110
1831955992319,2cyclictest1837741-21grep19:15:150
183195599231,2cyclictest2041615-21apt-get22:35:120
183195599231,21cyclictest2153625-21apt-get00:25:130
183195599231,21cyclictest1852385-21apt-get19:30:100
1831965992219,2cyclictest2127539-21/usr/sbin/munin00:00:003
1831965992218,3cyclictest1853335-21kthreadcore19:30:153
1831965992218,2cyclictest2061966-21apt-get22:55:123
1831965992217,3cyclictest1903324-21apt-get20:20:133
183196599221,2cyclictest0-21swapper/320:14:453
183196599221,19cyclictest0-21swapper/320:05:123
183196599220,2cyclictest1995705-21taskset21:50:093
183196599220,2cyclictest1847062-21cron19:25:013
183196599220,20cyclictest2020311-21ntpq22:10:223
183196599220,20cyclictest1989928-21cron21:45:003
183196599220,19cyclictest0-21swapper/323:15:123
183196599220,19cyclictest0-21swapper/320:55:133
1831962992219,2cyclictest64-21kcompactd000:00:002
1831962992217,4cyclictest1852120-21sh19:30:012
1831962992216,5cyclictest1944065-21idleruntime-cro21:00:002
183196299221,20cyclictest64-21kcompactd020:25:312
183196299221,1cyclictest1837243-21apt-get19:15:112
183196299221,19cyclictest1939018-21munin-run20:54:592
183196299221,19cyclictest0-21swapper/223:20:102
183196299221,19cyclictest0-21swapper/222:35:122
183196299220,21cyclictest2021174-21sh22:15:002
183196299220,20cyclictest1923825-21cron20:40:002
183196299220,19cyclictest0-21swapper/223:30:122
183196299220,19cyclictest0-21swapper/221:45:132
1831958992219,2cyclictest0-21swapper/120:45:131
1831958992217,3cyclictest1970014-21apt-get21:25:131
1831958992216,4cyclictest2163476-21awk00:35:001
183195899221,2cyclictest0-21swapper/121:50:091
183195899221,2cyclictest0-21swapper/100:27:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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