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2026-08-11 - 17:18
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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 Tue Aug 11, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
369861299342,20cyclictest3841933-21apt-get09:30:130
369861999332,21cyclictest3980970-21apt-get11:45:132
369861299330,4cyclictest3800596-21cron08:49:590
3698612993015,14cyclictest3923231-21basename10:50:010
369861299291,2cyclictest3739536-21apt-get07:50:130
3698612992819,7cyclictest4022176-21apt-get12:20:120
3698612992818,9cyclictest0-21swapper/009:40:090
369861299281,21cyclictest3867245-21apt-get09:55:130
369861299280,27cyclictest0-21swapper/012:10:130
369861999271,24cyclictest4037182-21apt-get12:35:032
369861999271,21cyclictest3996808-21apt-get11:55:142
3698612992718,8cyclictest3832307-21irqcore09:20:170
3698612992715,11cyclictest1-21systemd10:25:010
369861299271,25cyclictest3877426-21apt-get10:05:100
369861999262,21cyclictest4001898-21apt-get12:00:142
369861999262,21cyclictest4001898-21apt-get12:00:142
369861999261,22cyclictest3724253-21apt-get07:35:122
369861999261,21cyclictest3887579-21apt-get10:15:132
369861999261,21cyclictest3857092-21apt-get09:45:142
369861999260,24cyclictest3944778-21ls11:10:002
369861699260,5cyclictest3992133-21sort11:50:161
369862199251,21cyclictest3950122-21apt-get11:15:133
369861999252,3cyclictest3923926-21apt-get10:50:132
3698619992521,2cyclictest3780544-21apt-get08:30:122
3698619992520,3cyclictest3709042-21apt-get07:20:112
3698619992519,4cyclictest3759786-21grep08:10:022
369861999251,3cyclictest3836886-21apt-get09:25:112
369861999251,3cyclictest3836886-21apt-get09:25:112
369861999251,21cyclictest3892672-21apt-get10:20:122
369861999251,21cyclictest0-21swapper/211:35:132
369861999251,21cyclictest0-21swapper/208:35:122
369861999251,20cyclictest0-21swapper/210:00:142
369861999250,21cyclictest0-21swapper/212:30:142
369861699251,21cyclictest3754769-21seq08:05:121
3698612992523,1cyclictest0-21swapper/011:45:260
3698612992521,2cyclictest3790705-21apt-get08:40:120
369861299250,23cyclictest3723995-21turbostat07:35:000
369861299250,19cyclictest64-21kcompactd008:11:240
369862199242,20cyclictest3918410-21apt-get10:45:133
3698621992419,4cyclictest3723976-21cron07:35:013
369862199241,21cyclictest3810792-21https09:00:003
369862199241,20cyclictest3845819-21ntpq09:30:223
369862199241,20cyclictest0-21swapper/308:30:123
3698619992420,2cyclictest3897744-21apt-get10:25:132
3698619992419,2cyclictest0-21swapper/207:40:092
369861999241,21cyclictest0-21swapper/209:50:132
369861999240,21cyclictest0-21swapper/212:10:132
369861999240,21cyclictest0-21swapper/210:30:132
369861999240,20cyclictest0-21swapper/207:55:142
3698616992419,2cyclictest3805989-21apt-get08:55:131
369861699241,3cyclictest3831817-21apt-get09:20:121
369861699241,21cyclictest3714090-21apt-get07:25:121
369861699241,20cyclictest3760283-21apt-get08:10:121
369861699240,23cyclictest3903759-21ps10:30:181
369861699240,22cyclictest3928783-21/usr/sbin/munin10:55:001
369861699240,20cyclictest0-21swapper/108:45:111
369861299241,21cyclictest3882509-21apt-get10:10:110
369861299240,1cyclictest4002393-21ps12:00:180
369861299240,1cyclictest4002393-21ps12:00:180
369861299240,18cyclictest0-21swapper/011:33:330
3698621992319,2cyclictest3754766-21apt-get08:05:123
369862199231,2cyclictest3820539-21ntpq09:05:233
369862199230,4cyclictest3917869-21apt-config10:45:003
3698619992319,2cyclictest3826722-21apt-get09:15:112
369861999231,2cyclictest3852042-21apt-get09:40:102
369861999231,2cyclictest0-21swapper/212:20:122
369861999231,2cyclictest0-21swapper/210:45:142
369861999231,20cyclictest0-21swapper/211:20:112
369861999230,21cyclictest3976383-21ps11:40:152
369861999230,21cyclictest3845857-21ntpq09:30:222
369861999230,21cyclictest3754497-21cron08:05:002
369861999230,20cyclictest0-21swapper/210:35:132
369861999230,20cyclictest0-21swapper/209:20:132
369861699231,20cyclictest3985615-21apt-get11:47:301
369861699231,19cyclictest0-21swapper/109:55:101
369861699230,3cyclictest3816278-21cron09:04:591
369861699230,21cyclictest4017611-21ps12:15:171
369861699230,21cyclictest3935413-21sed11:00:181
369861699230,20cyclictest0-21swapper/112:00:131
369861699230,20cyclictest0-21swapper/112:00:131
369861699230,20cyclictest0-21swapper/111:35:121
369861699230,20cyclictest0-21swapper/110:35:131
369861699230,20cyclictest0-21swapper/109:40:101
369861699230,20cyclictest0-21swapper/109:35:161
369861699230,20cyclictest0-21swapper/108:35:121
369861699230,19cyclictest0-21swapper/107:15:121
369861299232,20cyclictest3862162-21apt-get09:50:140
369861299232,20cyclictest3846983-21apt-get09:35:150
3698612992320,2cyclictest3975899-21apt-get11:40:130
3698612992320,2cyclictest3810795-21systemd-run09:00:000
3698612992314,7cyclictest0-21swapper/011:20:110
369861299231,2cyclictest3970848-21apt-get11:35:120
369861299231,2cyclictest3934913-21apt-get11:00:130
369861299231,21cyclictest3770401-21apt-get08:20:130
3698612992312,10cyclictest3924299-21gltestperf10:50:170
369861299231,20cyclictest3872339-21apt-get10:00:150
369861299230,5cyclictest3860694-21grep09:45:200
369861299230,17cyclictest3729854-21ps07:40:140
3698621992219,2cyclictest3744352-21turbostat07:55:003
3698621992218,3cyclictest3856814-21cron09:45:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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