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2026-03-13 - 06:26
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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 Fri Mar 13, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
357051799296,2cyclictest0-21swapper/222:30:162
357051799272,22cyclictest3809417-21apt-get23:05:112
3570522992623,2cyclictest0-21swapper/321:00:013
3570517992615,2cyclictest191rcu_preempt21:55:202
357051799261,22cyclictest0-21swapper/200:10:122
357051499261,21cyclictest3631502-21apt-get20:10:111
357052299251,22cyclictest3591000-21seq19:30:113
357052299251,21cyclictest3717820-21apt-get21:35:113
357051799252,2cyclictest3606183-21apt-get19:45:112
357051799251,3cyclictest3599939-21ntpq19:35:192
357051799251,22cyclictest3743092-21apt-get22:00:122
357051499252,21cyclictest3738015-21apt-get21:55:121
3570514992520,3cyclictest3707714-21apt-get21:25:121
357051499250,5cyclictest3647139-21grep20:25:161
357051499250,23cyclictest3830134-21sort23:25:171
357051299252,22cyclictest61650irq/133-enp0s29f1:rx-019:10:100
357052299240,22cyclictest3732963-21chrt21:50:113
357052299240,20cyclictest3758255-21apt-get22:15:103
3570517992420,3cyclictest3865116-21apt-get00:00:112
3570517992420,2cyclictest3860011-21apt-get23:55:122
3570517992420,2cyclictest3824564-21apt-get23:20:122
357051799241,3cyclictest0-21swapper/220:30:372
357051799241,21cyclictest0-21swapper/223:50:112
357051799241,21cyclictest0-21swapper/222:05:192
357051799241,21cyclictest0-21swapper/219:25:132
357051799241,20cyclictest0-21swapper/221:05:112
357051799240,22cyclictest3656719-21taskset20:35:122
357051799240,20cyclictest191rcu_preempt21:35:112
3570514992420,2cyclictest3839774-21apt-get23:35:111
3570514992420,2cyclictest3596028-21apt-get19:35:101
357051499240,22cyclictest3880287-21latency_hist00:15:021
357051499240,20cyclictest3753201-21apt-get22:10:111
357051299242,20cyclictest3789104-21apt-get22:45:120
3570512992420,2cyclictest3692523-21apt-get21:10:120
357051299241,21cyclictest3880687-21apt-get00:15:110
3570522992319,2cyclictest0-21swapper/320:10:113
357052299231,2cyclictest3819526-21apt-get23:15:113
357052299231,2cyclictest3636559-21apt-get20:15:133
357052299231,20cyclictest3716667-21ntpq21:30:213
357052299230,20cyclictest0-21swapper/321:20:123
3570517992320,2cyclictest3702381-21cron21:20:012
3570517992320,1cyclictest3885745-21apt-get00:20:112
3570517992319,2cyclictest3768416-21apt-get22:25:112
3570517992319,2cyclictest3763337-21apt-get22:20:112
3570517992319,2cyclictest3692523-21apt-get21:10:132
3570517992318,2cyclictest3616318-21apt-get19:55:132
357051799231,2cyclictest3838649-21sshd23:30:212
357051799231,21cyclictest3601588-21cut19:40:172
357051799231,21cyclictest0-21swapper/222:13:032
357051799231,21cyclictest0-21swapper/221:40:112
357051799231,21cyclictest0-21swapper/221:00:472
357051799231,20cyclictest3844842-21apt-get23:40:112
357051799231,20cyclictest0-21swapper/220:45:092
357051799231,20cyclictest0-21swapper/220:05:122
3570514992319,2cyclictest3671877-21apt-get20:50:121
357051499231,3cyclictest261-21systemd-journal22:45:001
357051499230,22cyclictest3818165-21/usr/sbin/munin23:10:171
357051499230,20cyclictest3773983-21grep22:30:161
3570512992319,2cyclictest3651683-21apt-get20:30:130
357051299231,2cyclictest3824564-21apt-get23:20:120
357051299231,2cyclictest3656716-21apt-get20:35:140
357051299230,21cyclictest3606183-21apt-get19:45:110
3570522992219,2cyclictest3711622-21ntpq21:25:223
3570522992218,2cyclictest3788833-21sh22:45:003
357052299221,20cyclictest3889701-21ntpq00:20:213
357052299220,19cyclictest0-21swapper/321:10:133
3570517992219,2cyclictest3702657-21apt-get21:20:132
3570517992219,1cyclictest3900999-21apt-get00:35:132
3570517992219,1cyclictest3782960-21ntpq22:35:212
3570517992218,3cyclictest0-21swapper/223:15:122
3570517992216,2cyclictest3784046-21apt-get22:40:102
357051799221,2cyclictest0-21swapper/219:10:112
357051799221,20cyclictest0-21swapper/220:15:122
357051799220,21cyclictest3804087-21munin-run23:00:002
357051799220,21cyclictest0-21swapper/220:50:112
357051799220,20cyclictest3849901-21chrt23:45:102
3570514992218,2cyclictest3697574-21apt-get21:15:111
3570514992218,2cyclictest3671617-21munin-run20:50:011
357051499221,2cyclictest64-21kcompactd022:54:201
357051499221,2cyclictest64-21kcompactd022:54:201
357051499220,2cyclictest0-21swapper/120:40:101
357051499220,20cyclictest0-21swapper/122:25:121
357051499220,19cyclictest0-21swapper/121:50:121
3570512992219,2cyclictest3875228-21apt-get00:10:130
3570512992219,2cyclictest3722898-21apt-get21:40:110
3570512992218,2cyclictest3804338-21apt-get23:00:110
3570512992218,2cyclictest3682147-21dump-pmu-power21:00:000
357051299221,20cyclictest3809911-21sed23:05:160
357051299220,2cyclictest3874039-21ntp_00:05:210
3570522992119,1cyclictest0-21swapper/323:55:123
3570522992119,1cyclictest0-21swapper/322:25:133
3570522992119,1cyclictest0-21swapper/321:55:133
3570522992119,1cyclictest0-21swapper/320:50:113
3570522992119,1cyclictest0-21swapper/320:30:133
3570522992119,1cyclictest0-21swapper/319:45:153
3570522992118,2cyclictest0-21swapper/323:05:113
3570522992118,1cyclictest3641617-21apt-get20:20:123
3570522992118,1cyclictest3596511-21irqcore19:35:143
357052299210,20cyclictest64-21kcompactd022:31:433
357052299210,20cyclictest3798281-21/usr/sbin/munin22:50:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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