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2026-09-04 - 12:20
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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 Fri Sep 04, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194319499300,4cyclictest1979959-21ps19:45:171
194319299280,27cyclictest0-21swapper/023:35:130
194319899271,6cyclictest2281598-21idleruntime-cro00:40:002
194319899270,25cyclictest2241716-21sed00:00:162
194320199261,21cyclictest2261556-21apt-get00:20:123
194320199261,21cyclictest1990509-21apt-get19:55:133
194319899262,3cyclictest2214953-21apt-get23:35:142
194319899261,21cyclictest0-21swapper/220:15:122
1943194992623,2cyclictest2030786-21awk20:34:591
194319499260,23cyclictest2199402-21ls23:20:001
1943201992522,2cyclictest2219865-21latency_hist23:40:003
194320199251,20cyclictest0-21swapper/321:25:143
194319899252,3cyclictest2081773-21apt-get21:25:132
194319899252,20cyclictest2159083-21apt-get22:40:132
1943198992521,2cyclictest2091911-21apt-get21:35:122
1943198992519,3cyclictest2158806-21cron22:40:012
194319899251,3cyclictest3777322-21systemd-journal20:10:002
194319899251,3cyclictest2174330-21apt-get22:55:112
194319899251,23cyclictest1991458-21sed19:55:182
194319499251,21cyclictest2056423-21apt-get21:00:131
194319499251,21cyclictest2005733-21apt-get20:10:111
194319499251,1cyclictest0-21swapper/100:30:411
194319299252,3cyclictest2241229-21apt-get00:00:120
1943192992520,3cyclictest1984993-21apt-get19:50:140
194320199241,20cyclictest0-21swapper/323:00:133
194320199240,21cyclictest1954125-21ps19:20:173
194319899242,21cyclictest2148545-21apt-get22:30:152
1943198992419,3cyclictest2048471-21ps20:50:172
1943198992418,4cyclictest2025738-21idleruntime-cro20:29:592
194319899241,3cyclictest2240522-21munin-run00:00:002
194319899241,3cyclictest1996037-21/usr/sbin/munin20:00:152
194319899241,2cyclictest1911697-21munin-node21:30:162
194319899241,21cyclictest3777322-21systemd-journal22:25:012
194319899241,21cyclictest1984297-21apt-get19:50:032
194319499241,20cyclictest2225497-21apt-get23:45:111
194319499240,20cyclictest2036124-21apt-get20:40:111
194319299242,20cyclictest2199678-21apt-get23:20:120
1943192992420,3cyclictest2169247-21apt-get22:50:170
1943192992420,2cyclictest2271721-21apt-get00:30:160
1943192992420,2cyclictest2046239-21apt-get20:50:110
1943192992419,2cyclictest2117676-21apt-get22:00:110
194320199230,20cyclictest0-21swapper/319:30:133
1943198992321,1cyclictest1948250-21idleruntime-cro19:15:002
1943198992319,3cyclictest2051332-21apt-get20:55:122
1943198992319,2cyclictest2251439-21apt-get00:10:112
1943198992318,3cyclictest2041171-21apt-get20:45:122
194319899231,21cyclictest0-21swapper/219:25:122
194319899230,20cyclictest0-21swapper/223:05:112
194319899230,20cyclictest0-21swapper/221:20:132
1943194992320,2cyclictest2010802-21apt-get20:15:111
1943194992319,2cyclictest3777322-21systemd-journal22:05:001
194319499231,2cyclictest2041659-21sed20:45:161
194319499231,2cyclictest1974360-21apt-get19:40:121
194319499231,2cyclictest1958710-21apt-get19:25:131
194319499231,21cyclictest2224347-21ntpq23:40:221
194319499230,21cyclictest1-21systemd21:45:001
194319499230,20cyclictest1963780-21apt-get19:30:121
1943192992320,2cyclictest2086868-21apt-get21:30:170
1943192992320,2cyclictest0-21swapper/020:35:170
1943192992319,3cyclictest2164638-21tr22:45:160
1943192992319,2cyclictest2107520-21apt-get21:50:150
1943192992319,2cyclictest1995574-21apt-get20:00:110
1943192992318,3cyclictest2189563-21apt-get23:10:150
194319299231,2cyclictest2204790-21apt-get23:25:120
194319299231,2cyclictest1968868-21apt-get19:35:110
194319299231,2cyclictest0-21swapper/020:55:130
194319299231,21cyclictest2179424-21apt-get23:00:130
194319299231,20cyclictest1962598-21ntpq19:25:200
194319299231,20cyclictest1943403-21apt-get19:10:110
194319299230,3cyclictest2133434-21irqcore22:15:160
194319299230,21cyclictest2189288-21cron23:10:000
1943201992219,2cyclictest0-21swapper/300:00:123
1943201992218,3cyclictest2000343-21cron20:05:013
1943201992218,2cyclictest2225500-21taskset23:45:113
1943201992218,2cyclictest2096722-21munin-run21:40:003
194320199221,20cyclictest2100876-21ntpq21:40:233
194320199220,2cyclictest2205278-21grep23:25:163
194320199220,20cyclictest0-21swapper/322:30:153
194320199220,19cyclictest0-21swapper/323:05:113
194320199220,19cyclictest0-21swapper/322:50:173
194320199220,19cyclictest0-21swapper/321:00:143
194320199220,19cyclictest0-21swapper/319:35:103
194320199220,19cyclictest0-21swapper/300:25:133
1943198992219,2cyclictest514-21in:imuxsock21:20:002
1943198992219,2cyclictest514-21in:imuxsock21:19:592
1943198992219,2cyclictest1-21systemd23:45:002
1943198992219,2cyclictest0-21swapper/222:50:172
1943198992218,3cyclictest2031059-21apt-get20:35:142
1943198992218,3cyclictest2007955-21sed20:10:162
1943198992218,3cyclictest1958462-21idleruntime-cro19:25:012
1943198992217,3cyclictest2272222-21tr00:30:192
194319899221,2cyclictest1984336-21gpgv19:50:002
194319899221,2cyclictest0-21swapper/219:30:122
194319899221,20cyclictest64-21kcompactd000:22:502
194319899220,2cyclictest2266602-21apt-get00:25:122
194319899220,21cyclictest0-21swapper/223:02:112
194319899220,20cyclictest0-21swapper/223:45:122
194319899220,1cyclictest0-21swapper/223:25:122
1943194992219,1cyclictest2256486-21apt-get00:15:131
1943194992218,3cyclictest2168971-21cron22:50:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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