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2026-04-30 - 18:58
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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 Thu Apr 30, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1572623994338,3cyclictest1762772-21lspci10:15:213
157261399270,7cyclictest0-21swapper/008:10:100
157262399261,21cyclictest1886693-21apt-get12:20:103
157262399261,21cyclictest0-21swapper/308:15:113
157262399261,20cyclictest0-21swapper/310:05:283
157262399260,24cyclictest1851052-21cron11:45:003
157262399260,24cyclictest1851052-21cron11:44:593
157261999262,20cyclictest1805270-21apt-get11:00:122
157261999261,21cyclictest1619230-21apt-get07:55:112
157261999260,24cyclictest1861404-21seq11:55:112
157261999260,24cyclictest1764917-21tr10:20:142
157262399252,3cyclictest1665614-21apt-get08:40:103
157262399252,2cyclictest1697143-21apt-get09:15:123
1572623992519,4cyclictest1820498-21apt-get11:15:103
157262399251,22cyclictest1676183-21sh08:55:003
157262399251,21cyclictest0-21swapper/307:55:113
157262399250,4cyclictest1712526-21sh09:30:003
157262399250,22cyclictest1841694-21ps11:35:173
157261699254,20cyclictest1748751-21irqcore10:05:321
1572616992517,6cyclictest0-21swapper/112:35:011
1572613992523,1cyclictest1717603-21cron09:35:000
1572613992520,3cyclictest1722931-21apt-get09:40:120
1572623992419,3cyclictest1896547-21cron12:30:003
1572623992419,3cyclictest1780235-21irqcore10:35:153
1572623992419,2cyclictest1851317-21apt-get11:45:123
1572623992418,4cyclictest1902264-21grep12:35:153
157262399241,3cyclictest1660535-21apt-get08:35:123
157262399241,21cyclictest1597848-21cron07:35:003
157262399241,20cyclictest1861401-21apt-get11:55:113
157262399241,20cyclictest0-21swapper/312:00:123
157262399240,21cyclictest1794719-21basename10:50:003
157262399240,21cyclictest1753274-21apt-get10:10:123
157261999241,21cyclictest1618956-21cron07:54:592
157261999241,20cyclictest1743189-21apt-get10:00:112
1572616992420,2cyclictest1687032-21apt-get09:05:121
1572616992420,2cyclictest1644479-21apt-get08:20:121
1572616992420,2cyclictest1614179-21apt-get07:50:111
157261399242,2cyclictest1572824-21apt-get07:10:080
157261399241,21cyclictest1846262-21apt-get11:40:110
157261399241,21cyclictest1846262-21apt-get11:40:100
157261399241,21cyclictest1826043-21irqcore11:20:150
1572623992319,3cyclictest0-21swapper/310:00:003
157262399231,2cyclictest1871554-21apt-get12:05:123
157262399231,2cyclictest1670738-21apt-get08:45:143
157262399231,2cyclictest0-21swapper/308:20:123
157262399231,2cyclictest0-21swapper/307:45:113
157262399231,20cyclictest1659833-21sh08:35:013
157262399230,20cyclictest0-21swapper/310:30:113
157262399230,20cyclictest0-21swapper/307:50:113
157262399230,19cyclictest0-21swapper/309:35:103
157261999232,20cyclictest1851317-21apt-get11:45:122
1572619992318,4cyclictest1789643-21basename10:44:592
157261999231,2cyclictest1692087-21apt-get09:10:102
157261999231,20cyclictest1670738-21apt-get08:45:132
157261999231,20cyclictest1655034-21apt-get08:30:122
157261999230,21cyclictest1845995-21sh11:40:002
1572616992319,3cyclictest1836085-21apt-get11:30:111
1572616992319,2cyclictest1639399-21apt-get08:15:131
157261699231,20cyclictest1866478-21apt-get12:00:121
157261699231,20cyclictest1707724-21apt-get09:25:121
157261699230,21cyclictest1764911-21ps10:20:141
157261399232,2cyclictest1861401-21apt-get11:55:110
157261399231,20cyclictest1876609-21apt-get12:10:120
157261399230,4cyclictest1649427-21latency_hist08:25:000
157261399230,3cyclictest1624028-21sshd08:00:000
157261399230,20cyclictest0-21swapper/012:05:120
1572623992219,2cyclictest64-21kcompactd011:50:583
1572623992219,2cyclictest64-21kcompactd007:25:233
1572623992217,2cyclictest1794988-21apt-get10:50:103
157262399221,2cyclictest0-21swapper/311:30:113
157262399221,20cyclictest64-21kcompactd009:30:403
157262399220,2cyclictest1608676-21base6407:45:003
157262399220,21cyclictest1681306-21apt-config09:00:003
157262399220,20cyclictest1723418-21grep09:40:163
157262399220,19cyclictest0-21swapper/307:10:083
1572619992219,2cyclictest1810371-21apt-get11:05:122
1572619992219,2cyclictest0-21swapper/212:25:112
1572619992218,3cyclictest0-21swapper/209:25:122
157261999221,20cyclictest0-21swapper/211:40:102
157261999221,20cyclictest0-21swapper/211:40:092
157261999221,20cyclictest0-21swapper/210:25:112
157261999221,20cyclictest0-21swapper/209:30:192
157261999221,20cyclictest0-21swapper/207:15:102
157261999220,20cyclictest1649273-21sh08:25:002
1572616992219,2cyclictest1901928-21apt-get12:35:121
1572616992219,2cyclictest1770078-21grep10:25:161
1572616992218,2cyclictest1855195-21ntpq11:45:211
157261699221,20cyclictest1815469-21apt-get11:10:121
157261699221,20cyclictest1800130-21apt-get10:55:131
157261699221,20cyclictest1712799-21apt-get09:30:101
157261699221,20cyclictest0-21swapper/111:00:121
157261699220,21cyclictest0-21swapper/107:55:111
157261699220,1cyclictest0-21swapper/109:10:101
1572613992219,2cyclictest1577906-21apt-get07:15:120
1572613992219,1cyclictest1624263-21apt-get08:00:120
1572613992218,3cyclictest1707084-21apt-config09:25:010
157261399220,2cyclictest1762776-21ntpq10:15:200
157261399220,21cyclictest1770527-21sed10:25:160
157261399220,20cyclictest1902259-21/usr/sbin/munin12:35:150
1572623992119,1cyclictest0-21swapper/310:55:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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