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2026-07-06 - 10:57
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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 Mon Jul 06, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3413238993129,1cyclictest3546740-21cron21:20:002
341323199285,3cyclictest0-21swapper/019:45:000
341323899275,4cyclictest3639214-21cron22:50:012
341323899272,21cyclictest3536869-21apt-get21:10:122
341323499272,21cyclictest3480168-21apt-get20:15:111
341323199271,22cyclictest3644547-21apt-get22:55:120
341323499261,21cyclictest3443826-21apt-get19:40:131
341323199261,22cyclictest3490419-21apt-get20:25:120
341323199260,24cyclictest3415677-21ps19:10:160
341324199251,20cyclictest3649624-21apt-get23:00:113
3413238992520,3cyclictest3715925-21apt-get00:05:122
341323899251,20cyclictest3680047-21apt-get23:30:112
341323499251,21cyclictest3423606-21apt-get19:20:121
341323499251,20cyclictest3485320-21apt-get20:20:131
341323499251,20cyclictest3485320-21apt-get20:20:131
341323499251,20cyclictest0-21swapper/120:50:131
341323199252,3cyclictest3736617-21apt-get00:25:120
341323199252,2cyclictest3598067-21apt-get22:10:120
341323199252,21cyclictest3526318-21apt-get21:00:120
341323199252,21cyclictest3448895-21apt-get19:45:100
3413231992520,3cyclictest3639493-21apt-get22:50:130
3413231992520,3cyclictest3639493-21apt-get22:50:120
3413231992520,3cyclictest3521257-21apt-get20:55:110
3413231992520,3cyclictest3505604-21apt-get20:40:120
3413231992519,4cyclictest3607947-21cron22:20:000
3413231992517,6cyclictest3485808-21sed20:20:180
3413231992517,6cyclictest3485808-21sed20:20:180
341323199251,3cyclictest3700716-21grep23:50:120
3413241992421,2cyclictest3511079-21apt-get20:45:123
3413241992420,3cyclictest3490138-21cron20:25:003
3413241992420,3cyclictest3490138-21cron20:25:003
341324199241,20cyclictest3582408-21apt-get21:55:123
341324199241,20cyclictest3475114-21apt-get20:10:133
341324199241,20cyclictest3413449-21apt-get19:10:113
3413238992420,2cyclictest3557137-21apt-get21:30:122
3413238992420,2cyclictest3418525-21apt-get19:15:122
341323899241,20cyclictest3603165-21apt-get22:15:112
341323899241,20cyclictest3592995-21apt-get22:05:142
3413234992419,3cyclictest3777322-21systemd-journal00:20:001
3413234992418,4cyclictest3777322-21systemd-journal23:15:011
3413234992418,4cyclictest3566967-21cron21:40:011
341323499241,20cyclictest0-21swapper/121:50:141
3413231992420,2cyclictest3577355-21apt-get21:50:120
3413231992418,4cyclictest3736341-21taskset00:24:590
341323199241,21cyclictest3551810-21ls21:25:000
341323199240,22cyclictest3464707-21awk20:00:000
341323199240,22cyclictest3459393-21cat19:55:000
3413241992319,2cyclictest3639500-21sshd22:50:123
3413241992319,2cyclictest3639500-21sshd22:50:123
341324199230,22cyclictest3422546-21/usr/sbin/munin19:15:223
341324199230,20cyclictest3541925-21apt-get21:15:113
341324199230,20cyclictest0-21swapper/321:35:123
341323899232,2cyclictest3442644-21ntpq19:35:212
3413238992320,2cyclictest3567246-21apt-get21:40:122
3413238992320,2cyclictest3490135-21cron20:25:002
3413238992320,2cyclictest3490135-21cron20:25:002
3413238992319,2cyclictest3500506-21apt-get20:35:132
3413238992319,2cyclictest3459904-21apt-get19:55:122
341323899230,20cyclictest0-21swapper/220:40:122
341323899230,19cyclictest0-21swapper/223:40:132
3413234992319,2cyclictest3500229-21cron20:35:001
341323499231,2cyclictest3634140-21cat22:45:001
341323499231,2cyclictest3634140-21cat22:45:001
341323499231,20cyclictest3695223-21apt-get23:45:121
341323499231,20cyclictest3669897-21apt-get23:20:131
341323499231,20cyclictest3603654-21ps22:15:161
341323499230,20cyclictest3413225-21cyclictest00:05:121
341323499230,20cyclictest0-21swapper/121:15:121
341323499230,20cyclictest0-21swapper/120:55:111
341323499230,20cyclictest0-21swapper/119:25:111
3413231992320,2cyclictest0-21swapper/022:40:120
3413231992320,2cyclictest0-21swapper/022:40:110
3413231992319,3cyclictest0-21swapper/000:00:110
3413231992319,2cyclictest3623479-21apt-get22:35:100
3413231992319,2cyclictest0-21swapper/023:15:120
341323199231,2cyclictest3582408-21apt-get21:55:110
341323199231,2cyclictest0-21swapper/019:25:110
341323199231,21cyclictest0-21swapper/020:35:130
341323199231,20cyclictest0-21swapper/020:34:460
341323199230,21cyclictest0-21swapper/000:30:120
3413241992219,2cyclictest0-21swapper/322:55:133
3413241992219,2cyclictest0-21swapper/319:25:123
3413241992219,1cyclictest0-21swapper/300:35:013
3413241992218,2cyclictest3551814-21sh21:25:003
341324199220,20cyclictest3627852-21taskset22:35:233
3413238992217,4cyclictest3700048-21/usr/sbin/munin23:50:012
341323899220,2cyclictest3453697-21cron19:50:002
341323899220,20cyclictest0-21swapper/223:05:112
341323899220,19cyclictest0-21swapper/222:30:112
341323899220,19cyclictest0-21swapper/200:25:142
3413234992219,1cyclictest3490419-21apt-get20:25:121
3413234992218,3cyclictest3561919-21ls21:35:001
341323499221,20cyclictest3510578-21apt-config20:45:011
341323499220,2cyclictest3438488-21cron19:35:001
341323499220,19cyclictest0-21swapper/123:00:121
341323499220,19cyclictest0-21swapper/122:00:131
3413231992219,2cyclictest64-21kcompactd021:36:030
3413231992219,2cyclictest3531813-21apt-get21:05:120
3413231992219,2cyclictest0-21swapper/020:50:130
341323199221,2cyclictest3654702-21apt-get23:05:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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