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2026-06-15 - 19:26
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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 Jun 15, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172929999301,26cyclictest1907583-21seq22:05:132
172929999301,26cyclictest1811026-21apt-get20:30:112
172929999291,3cyclictest2040480-21apt-get00:15:132
1729299992720,5cyclictest2015122-21apt-get23:50:122
172929999271,22cyclictest1851868-21apt-get21:10:122
172929999262,21cyclictest1902500-21apt-get22:00:112
1729299992618,6cyclictest1866780-21cron21:25:002
1729299992614,10cyclictest1994645-21cron23:30:002
1729299992610,6cyclictest3777322-21systemd-journal22:54:592
172930299251,20cyclictest2045584-21apt-get00:20:133
172930299250,22cyclictest1938830-21ps22:35:153
1729299992520,3cyclictest1805973-21apt-get20:25:122
172929999251,3cyclictest1917709-21apt-get22:15:122
172929999251,22cyclictest3777322-21systemd-journal21:35:002
172929999251,21cyclictest0-21swapper/223:00:112
172929999250,22cyclictest1754859-21taskset19:35:132
172929999250,10cyclictest1774905-21idleruntime-cro19:55:012
172929699252,21cyclictest1780301-21apt-get20:00:121
172929699250,23cyclictest1734304-21cron19:15:001
172930299241,20cyclictest0-21swapper/321:35:133
172930299240,5cyclictest1790895-21grep20:10:153
172930299240,20cyclictest1974290-21apt-get23:10:103
172929999249,4cyclictest1953307-21cron22:50:002
1729299992419,4cyclictest1826597-21apt-get20:45:102
1729299992419,2cyclictest0-21swapper/219:40:112
1729299992418,5cyclictest0-21swapper/222:30:142
1729299992418,3cyclictest2035393-21apt-get00:10:132
172929999241,3cyclictest1892396-21apt-get21:50:122
1729299992413,9cyclictest0-21swapper/220:10:212
172929999241,2cyclictest1877232-21apt-get21:35:132
172929999240,21cyclictest1938352-21runrttasks22:35:112
172929999240,21cyclictest1821260-21latency_hist20:40:002
172929999240,21cyclictest0-21swapper/200:25:122
172929999240,20cyclictest0-21swapper/222:10:122
172929999240,20cyclictest0-21swapper/220:00:122
172929699242,21cyclictest1856922-21apt-get21:15:131
172929699240,24cyclictest0-21swapper/100:31:461
172929499240,23cyclictest2010557-21sed23:45:170
1729302992319,2cyclictest1983246-21ntpq23:15:213
1729302992319,2cyclictest1912655-21apt-get22:10:123
1729302992319,2cyclictest0-21swapper/322:30:133
1729302992319,2cyclictest0-21swapper/321:50:123
1729302992318,3cyclictest1910593-21tr22:05:193
1729302992318,3cyclictest1816116-21apt-get20:35:133
172930299231,20cyclictest1785084-21cron20:05:003
172930299231,20cyclictest1775178-21apt-get19:55:123
172930299231,19cyclictest0-21swapper/322:25:113
172930299230,4cyclictest1918208-21sed22:15:173
172930299230,21cyclictest1774901-21cron19:55:013
172930299230,20cyclictest0-21swapper/322:00:113
172930299230,20cyclictest0-21swapper/319:10:113
1729299992319,2cyclictest1734579-21apt-get19:15:112
1729299992318,3cyclictest1969217-21apt-get23:05:132
1729299992318,3cyclictest1959085-21apt-get22:55:122
1729299992318,2cyclictest1841762-21taskset21:00:122
172929999231,2cyclictest1800941-21apt-get20:20:132
1729299992310,2cyclictest0-21swapper/219:55:252
172929999230,3cyclictest1922764-21apt-get22:20:122
172929999230,20cyclictest0-21swapper/223:15:122
172929999230,20cyclictest0-21swapper/220:50:122
1729296992320,2cyclictest1846813-21apt-get21:05:121
1729296992319,2cyclictest1989877-21apt-get23:25:121
1729296992319,2cyclictest1887320-21apt-get21:45:131
1729296992319,2cyclictest0-21swapper/123:05:131
172929699231,2cyclictest1759923-21apt-get19:40:111
172929699231,21cyclictest2060771-21apt-get00:35:121
172929699230,22cyclictest1959285-21cut22:55:141
172929699230,20cyclictest0-21swapper/122:20:121
172929499231,20cyclictest1790407-21apt-get20:10:110
1729302992219,2cyclictest2020153-21apt-get23:55:123
1729302992219,2cyclictest1832140-21irqcore20:50:173
1729302992219,1cyclictest1872157-21apt-get21:30:113
1729302992219,1cyclictest0-21swapper/323:30:113
1729302992218,2cyclictest0-21swapper/323:45:123
172930299220,21cyclictest1760870-21ps19:40:163
172930299220,19cyclictest0-21swapper/323:35:113
172930299220,19cyclictest0-21swapper/321:00:123
172930299220,19cyclictest0-21swapper/319:45:123
172929999229,2cyclictest0-21swapper/200:05:202
1729299992219,2cyclictest0-21swapper/223:37:142
1729299992218,3cyclictest0-21swapper/223:33:292
1729299992217,3cyclictest1745221-21ps19:25:142
1729299992217,3cyclictest1739653-21seq19:20:122
1729299992212,2cyclictest0-21swapper/220:45:002
172929999221,1cyclictest1764992-21apt-get19:45:122
1729299992211,2cyclictest0-21swapper/223:10:122
1729299992210,3cyclictest2059664-21grep00:30:222
172929999220,2cyclictest0-21swapper/222:25:112
172929999220,20cyclictest0-21swapper/221:15:122
172929999220,19cyclictest0-21swapper/200:35:112
172929999220,19cyclictest0-21swapper/200:00:132
172929999220,14cyclictest0-21swapper/221:44:552
1729296992219,2cyclictest301rcuc/119:55:011
1729296992218,2cyclictest2025215-21apt-get00:00:141
172929699221,2cyclictest1994908-21apt-get23:30:111
172929699221,20cyclictest3777322-21systemd-journal23:25:001
172929699221,20cyclictest0-21swapper/123:40:121
1729294992216,4cyclictest1932570-21cron22:30:000
172929499221,20cyclictest1892396-21apt-get21:50:130
172929499221,20cyclictest1821569-21apt-get20:40:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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