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2026-09-02 - 19:49
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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 Sep 02, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
364600699321,29cyclictest3727203-21turbostat08:30:010
364601199300,3cyclictest3777322-21systemd-journal10:25:001
3646006993026,2cyclictest0-21swapper/008:50:000
3646011992917,10cyclictest3892170-21ps11:10:181
364601199290,20cyclictest3947233-21cron12:05:011
3646011992818,8cyclictest3774073-21cut09:15:151
3646011992714,2cyclictest3813326-21needreboot09:50:201
364601699262,20cyclictest3901379-21apt-get11:20:132
3646011992618,7cyclictest0-21swapper/109:04:591
3646011992617,8cyclictest3926544-21cut11:45:001
364601199260,1cyclictest0-21swapper/111:00:111
364602099251,22cyclictest3905260-21ntpq11:20:213
364602099251,20cyclictest3968287-21apt-get12:25:113
364602099251,20cyclictest0-21swapper/308:05:133
364602099250,23cyclictest3886152-21taskset11:05:103
364601699251,21cyclictest3656395-21apt-get07:20:132
364601199252,2cyclictest3727458-21apt-get08:30:111
364601199252,21cyclictest3927221-21apt-get11:45:101
364601199252,20cyclictest3911542-21apt-get11:30:111
3646011992519,3cyclictest3752812-21apt-get08:55:131
3646011992516,2cyclictest0-21swapper/107:15:111
3646011992513,2cyclictest0-21swapper/109:35:201
364601199250,24cyclictest0-21swapper/108:50:121
364600699253,2cyclictest0-21swapper/010:05:000
364600699252,3cyclictest3773569-21apt-get09:15:110
364600699252,2cyclictest3661510-21apt-get07:25:120
3646006992522,2cyclictest3656124-21idleruntime-cro07:20:000
364600699252,21cyclictest3691960-21apt-get07:55:130
3646006992520,3cyclictest3707129-21apt-get08:10:120
3646020992419,3cyclictest3963218-21apt-get12:20:123
364602099241,20cyclictest0-21swapper/308:10:123
364602099240,20cyclictest0-21swapper/307:40:123
3646016992419,4cyclictest514-21in:imuxsock12:15:002
364601699241,20cyclictest3778648-21apt-get09:20:122
364601699241,20cyclictest3757883-21apt-get09:00:112
364601699241,20cyclictest0-21swapper/208:15:112
364601699240,20cyclictest3978430-21apt-get12:35:122
3646011992417,5cyclictest3763382-21apt-get09:05:121
364601199241,20cyclictest3958122-21apt-get12:15:141
364601199241,20cyclictest3958122-21apt-get12:15:131
364601199240,1cyclictest0-21swapper/109:55:141
364601199240,18cyclictest0-21swapper/107:40:131
3646006992421,2cyclictest3712221-21apt-get08:15:110
3646006992420,2cyclictest3835342-21apt-get10:15:120
364600699241,21cyclictest3860820-21apt-get10:40:120
364600699241,21cyclictest3717317-21apt-get08:20:120
3646020992320,2cyclictest3804155-21cron09:45:003
3646020992320,2cyclictest3804155-21cron09:44:593
3646020992319,2cyclictest3942435-21apt-get12:00:113
3646020992319,2cyclictest3937365-21apt-get11:55:123
3646020992319,2cyclictest0-21swapper/310:30:123
3646020992319,2cyclictest0-21swapper/309:30:123
364602099231,2cyclictest3916635-21apt-get11:35:103
364602099231,2cyclictest3876013-21apt-get10:55:143
364602099231,2cyclictest3681842-21apt-get07:45:123
364602099230,20cyclictest0-21swapper/308:40:123
364602099230,20cyclictest0-21swapper/308:20:133
364602099230,20cyclictest0-21swapper/308:00:113
3646016992319,2cyclictest3886149-21apt-get11:05:102
3646016992319,2cyclictest3777322-21systemd-journal10:35:002
3646016992319,2cyclictest3697005-21apt-get08:00:102
3646016992316,5cyclictest3911545-21chrt11:30:112
364601699231,2cyclictest3747718-21apt-get08:50:122
364601699231,2cyclictest3686890-21apt-get07:50:132
364601699231,2cyclictest0-21swapper/212:25:002
364601699231,20cyclictest3927279-21wc11:45:102
364601699231,19cyclictest0-21swapper/210:45:112
364601699230,19cyclictest0-21swapper/208:45:112
3646011992318,3cyclictest3656887-21irqcore07:20:171
3646011992317,5cyclictest0-21swapper/108:10:121
3646011992314,3cyclictest3825662-21ps10:05:161
364601199231,2cyclictest3702076-21apt-get08:05:121
364601199230,21cyclictest3871463-21grep10:50:171
364601199230,20cyclictest0-21swapper/110:15:131
364601199230,20cyclictest0-21swapper/109:10:121
364601199230,20cyclictest0-21swapper/107:45:121
364600699232,20cyclictest0-21swapper/009:39:590
3646006992319,3cyclictest3973083-21cron12:30:000
3646006992319,2cyclictest0-21swapper/012:00:110
364600699231,2cyclictest3783742-21apt-get09:25:130
364600699230,21cyclictest0-21swapper/010:10:120
3646020992218,2cyclictest0-21swapper/310:10:113
364602099221,1cyclictest0-21swapper/309:15:103
364602099220,3cyclictest3911266-21cron11:30:003
364602099220,21cyclictest1-21systemd09:04:593
364602099220,20cyclictest0-21swapper/311:50:123
364602099220,19cyclictest0-21swapper/310:15:133
364602099220,19cyclictest0-21swapper/309:20:133
3646016992219,2cyclictest0-21swapper/212:05:122
3646016992219,2cyclictest0-21swapper/207:35:172
3646016992219,1cyclictest0-21swapper/208:25:232
364601699221,20cyclictest0-21swapper/208:14:532
364601699220,2cyclictest3766632-21tr09:05:182
364601699220,2cyclictest3651471-21/usr/sbin/munin07:15:122
364601699220,20cyclictest0-21swapper/211:40:122
364601699220,20cyclictest0-21swapper/208:55:132
364601699220,19cyclictest0-21swapper/211:35:112
3646011992219,2cyclictest3846023-21sort10:25:171
3646011992219,2cyclictest0-21swapper/110:30:121
3646011992219,1cyclictest0-21swapper/107:55:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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