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2026-05-06 - 20:52
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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 Wed May 06, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
346391799331,20cyclictest3605795-21ntpq09:25:211
346391799321,3cyclictest3785073-21grep12:25:151
3463917993018,10cyclictest3678041-21awk10:40:001
346391799301,20cyclictest3505262-21apt-get07:50:121
3463913993026,3cyclictest3779121-21fwupd12:18:470
3463917992916,11cyclictest261-21systemd-journal10:20:001
346391799291,26cyclictest0-21swapper/109:30:111
3463917992818,8cyclictest3698274-21cron11:00:001
3463917992818,8cyclictest3597335-21irqcore09:20:151
3463917992816,10cyclictest3469227-21latency_hist07:15:001
346391799281,2cyclictest0-21swapper/108:41:211
346391799280,27cyclictest3596350-21readlink09:20:011
3463917992617,1cyclictest0-21swapper/111:50:111
346391799261,21cyclictest3571089-21apt-get08:55:121
346391799261,1cyclictest3586264-21apt-get09:10:121
346391799260,25cyclictest0-21swapper/107:49:451
346392399252,3cyclictest3744081-21apt-get11:45:122
3463917992517,1cyclictest0-21swapper/110:25:181
3463917992512,3cyclictest3774181-21sh12:15:001
346391799251,21cyclictest3789656-21apt-get12:30:101
346391799251,21cyclictest3632264-21apt-get09:55:111
346391799250,21cyclictest0-21swapper/109:35:121
346391399252,21cyclictest3647447-21apt-get10:10:110
346391399252,21cyclictest3622134-21apt-get09:45:110
3463925992422,1cyclictest0-21swapper/309:20:003
346392599242,20cyclictest3535702-21apt-get08:20:123
3463925992420,3cyclictest2875-21cron09:40:003
3463925992419,3cyclictest3500232-21apt-get07:45:123
346392399241,3cyclictest0-21swapper/207:30:162
346392399240,22cyclictest3592289-21sed09:15:162
3463917992420,2cyclictest3698548-21apt-get11:00:111
3463917992420,2cyclictest3479993-21apt-get07:25:101
3463917992419,4cyclictest0-21swapper/110:10:111
3463917992419,3cyclictest3637822-21ps10:00:141
3463917992418,4cyclictest3525255-21cron08:10:001
3463917992417,5cyclictest0-21swapper/110:50:111
346391799241,21cyclictest3545573-21basename08:29:591
346391799241,20cyclictest3510315-21apt-get07:55:111
346391399241,3cyclictest3627208-21apt-get09:50:100
346391399241,3cyclictest3490101-21apt-get07:35:110
346391399241,21cyclictest3683086-21cron10:45:000
346391399241,21cyclictest3566035-21apt-get08:50:120
346391399241,21cyclictest3474941-21apt-get07:20:120
346391399241,21cyclictest0-21swapper/010:15:120
3463925992320,2cyclictest3713757-21apt-get11:15:123
346392599231,2cyclictest3779521-21apt-get12:20:113
346392399232,20cyclictest3673212-21apt-get10:35:122
346392399232,20cyclictest3637338-21apt-get10:00:112
3463923992320,2cyclictest3759242-21apt-get12:00:122
3463923992320,2cyclictest3581206-21apt-get09:05:122
3463923992319,2cyclictest3561003-21apt-get08:45:112
346392399231,2cyclictest3718836-21apt-get11:20:112
346392399231,2cyclictest3469909-21apt-get07:15:142
346392399231,20cyclictest3596841-21apt-get09:20:112
346392399230,4cyclictest3764777-21irqcore12:05:152
346392399230,22cyclictest3531117-21ps08:15:162
3463917992319,3cyclictest64-21kcompactd008:31:081
3463917992318,4cyclictest0-21swapper/108:10:151
3463917992316,1cyclictest0-21swapper/110:30:121
3463917992315,5cyclictest3764269-21/usr/sbin/munin12:05:151
346391799231,2cyclictest64-21kcompactd007:35:141
346391799231,2cyclictest3795158-21apt-get12:35:121
346391799231,2cyclictest0-21swapper/112:15:121
346391799230,20cyclictest3683366-21apt-get10:45:121
346391799230,20cyclictest0-21swapper/111:45:121
346391799230,20cyclictest0-21swapper/107:40:111
3463913992320,2cyclictest3793640-21ntpq12:30:200
3463913992320,2cyclictest3525518-21apt-get08:10:100
3463913992319,3cyclictest3739026-21apt-get11:40:120
3463913992319,3cyclictest3662434-21munin-run10:25:000
346391399231,21cyclictest3723888-21apt-get11:25:110
346391399230,22cyclictest3667531-21apt-config10:30:000
346391399230,22cyclictest3551363-21grep08:35:160
346391399230,21cyclictest3601873-21apt-get09:25:120
3463925992219,2cyclictest3626968-21true09:50:013
3463925992219,2cyclictest3541261-21ps08:25:153
3463925992219,2cyclictest3510315-21apt-get07:55:113
3463925992218,2cyclictest3708658-21apt-get11:10:123
346392599220,2cyclictest3658068-21sed10:20:163
346392599220,21cyclictest3693219-21cron10:55:003
346392599220,19cyclictest0-21swapper/310:00:113
3463923992219,2cyclictest391rcuc/212:15:002
3463923992219,2cyclictest0-21swapper/211:15:112
3463923992217,3cyclictest0-21swapper/210:30:002
346392399221,2cyclictest0-21swapper/211:25:112
346392399221,20cyclictest3554813-21ntpq08:35:222
346392399221,20cyclictest3520420-21apt-get08:05:112
346392399220,2cyclictest3795648-21sort12:35:172
346392399220,21cyclictest391rcuc/207:15:002
346392399220,21cyclictest3790158-21irqcore12:30:152
346392399220,21cyclictest3749643-21sed11:50:152
346392399220,21cyclictest0-21swapper/212:25:112
346392399220,20cyclictest3647174-21cron10:10:012
346392399220,20cyclictest3616805-21awk09:40:002
3463917992219,2cyclictest3662362-21apt-get10:24:461
3463917992219,2cyclictest0-21swapper/111:25:111
3463917992218,3cyclictest3576130-21apt-get09:00:121
3463917992218,2cyclictest3535702-21apt-get08:20:121
3463917992217,4cyclictest0-21swapper/111:10:121
3463917992217,3cyclictest0-21swapper/111:30:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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