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2026-08-14 - 07:45
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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 Aug 14, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
768473993210,2cyclictest0-21swapper/220:40:162
76847399260,24cyclictest963640-21cut22:20:172
768471992624,1cyclictest932367-21cron21:50:001
76846799260,24cyclictest3777322-21systemd-journal19:50:000
76847399251,3cyclictest0-21swapper/223:00:002
76847399251,22cyclictest892037-21apt-get21:10:132
768471992521,2cyclictest937739-21apt-get21:55:141
768471992519,4cyclictest794647-21cut19:35:161
768467992520,3cyclictest917433-21apt-get21:35:120
768467992520,3cyclictest778918-21apt-get19:20:120
76846799250,23cyclictest1031716-21sort23:25:170
76847799242,2cyclictest1060370-21apt-get23:55:093
768477992421,2cyclictest844724-21cron20:25:003
768477992420,2cyclictest1090829-21apt-get00:25:133
76847799241,20cyclictest789081-21apt-get19:30:123
76847799240,21cyclictest819577-21sshd20:00:133
76847399241,3cyclictest866670-21grep20:45:172
76847399241,2cyclictest824660-21apt-get20:05:092
76847399240,22cyclictest844763-21apt-key20:25:002
76847199241,20cyclictest973319-21apt-get22:30:121
768467992419,3cyclictest876778-21apt-get20:55:120
768467992419,3cyclictest870180-21ntpq20:45:240
768467992419,3cyclictest784011-21apt-get19:25:120
76846799241,3cyclictest1-21systemd22:55:010
76846799240,4cyclictest912085-21cron21:30:010
76846799240,22cyclictest847653-21sort20:25:170
768477992320,2cyclictest1085780-21apt-get00:20:133
768477992320,1cyclictest0-21swapper/320:05:083
768477992319,2cyclictest927551-21apt-get21:45:143
768477992315,2cyclictest191rcu_preempt22:10:173
76847799231,2cyclictest901901-21cron21:20:003
76847799231,2cyclictest1050211-21apt-get23:45:123
76847799230,20cyclictest0-21swapper/323:00:113
76847799230,20cyclictest0-21swapper/320:40:113
768473992318,3cyclictest855606-21taskset20:35:122
768473992318,3cyclictest516-21rs:main2
76847399231,2cyclictest0-21swapper/221:55:132
76847399231,20cyclictest968251-21apt-get22:25:122
76847399231,20cyclictest850511-21apt-get20:30:112
76847399231,20cyclictest3777245-21sshd20:00:132
76847399230,20cyclictest0-21swapper/221:20:122
76847199232,2cyclictest983462-21apt-get22:40:121
768471992319,2cyclictest922480-21apt-get21:40:131
76847199231,2cyclictest1019351-21apt-get23:15:121
76847199231,21cyclictest1105013-21ntpq00:35:231
76847199230,19cyclictest0-21swapper/122:45:131
768467992320,2cyclictest799219-21apt-get19:40:110
768467992320,2cyclictest1019351-21apt-get23:15:120
768467992319,2cyclictest951944-21wc22:05:250
768467992319,2cyclictest0-21swapper/021:00:100
768467992319,2cyclictest0-21swapper/020:10:170
768467992319,2cyclictest0-21swapper/020:10:160
768467992318,3cyclictest1034562-21apt-get23:30:120
76846799231,2cyclictest942806-21apt-get22:00:110
76846799231,2cyclictest875589-21ntpq20:50:190
76846799231,2cyclictest1-21systemd20:24:590
76846799231,2cyclictest0-21swapper/022:40:120
76846799231,21cyclictest902178-21apt-get21:20:110
76846799231,21cyclictest0-21swapper/019:55:110
76846799230,2cyclictest837052-21sort20:15:180
76846799230,21cyclictest1070549-21apt-get00:05:170
768477992219,1cyclictest0-21swapper/323:20:123
768477992218,3cyclictest804800-21irqcore19:45:173
76847799221,19cyclictest0-21swapper/321:50:153
76847799220,20cyclictest0-21swapper/323:25:113
76847799220,20cyclictest0-21swapper/322:35:123
76847799220,20cyclictest0-21swapper/322:05:133
76847799220,20cyclictest0-21swapper/321:55:133
76847799220,19cyclictest0-21swapper/322:25:113
76847799220,19cyclictest0-21swapper/322:00:123
76847799220,19cyclictest0-21swapper/319:20:113
768473992219,2cyclictest0-21swapper/222:45:132
76847399221,2cyclictest0-21swapper/223:30:122
76847399221,20cyclictest993607-21apt-get22:50:122
76847399221,20cyclictest0-21swapper/223:25:122
76847399221,1cyclictest0-21swapper/222:30:122
76847399220,21cyclictest1090832-21taskset00:25:132
76847399220,19cyclictest0-21swapper/220:15:122
768471992219,2cyclictest819572-21apt-get20:00:121
768471992219,2cyclictest0-21swapper/119:40:121
768471992219,1cyclictest1045146-21apt-get23:40:111
768471992218,2cyclictest958040-21apt-get22:15:111
768471992217,3cyclictest876503-21cron20:55:001
76847199220,19cyclictest0-21swapper/122:50:121
76847199220,18cyclictest0-21swapper/123:55:101
768467992220,1cyclictest0-21swapper/021:55:130
768467992219,2cyclictest0-21swapper/021:50:130
768467992219,2cyclictest0-21swapper/019:15:140
768467992218,3cyclictest855324-21cron20:35:000
768467992217,4cyclictest1009698-21irqcore23:05:160
76846799221,20cyclictest1055302-21apt-get23:50:130
76846799221,20cyclictest0-21swapper/019:10:120
76846799220,2cyclictest962886-21awk22:20:000
76846799220,2cyclictest809560-21/usr/sbin/munin19:50:140
76846799220,2cyclictest0-21swapper/022:25:120
768477992119,1cyclictest1009215-21apt-get23:05:113
768477992119,1cyclictest0-21swapper/323:30:123
768477992119,1cyclictest0-21swapper/322:20:123
768477992119,1cyclictest0-21swapper/320:10:123
768477992119,1cyclictest0-21swapper/320:10:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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