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2026-05-22 - 12:23
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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 May 22, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3510970994139,1cyclictest3510627-21kworker/0:1+pm19:56:100
351097399272,23cyclictest3777322-21systemd-journal00:20:001
3510980992620,3cyclictest3822533-21apt-get00:15:123
351098099261,3cyclictest3817459-21apt-get00:10:123
351098099261,3cyclictest3684843-21apt-get22:00:113
351098099261,22cyclictest0-21swapper/319:25:133
351098099261,21cyclictest3572858-21apt-get20:10:113
351098099260,24cyclictest3715399-21chrt22:25:263
351097899260,5cyclictest3664671-21ps21:40:152
3510973992621,4cyclictest3623379-21cron21:00:001
351097399261,22cyclictest3721164-21apt-get22:35:121
3510980992517,5cyclictest3679872-21sed21:55:183
351098099251,21cyclictest0-21swapper/319:30:123
351098099251,20cyclictest0-21swapper/319:10:133
3510978992521,2cyclictest3577906-21apt-get20:15:122
3510978992520,3cyclictest3542056-21apt-get19:40:102
351097399251,21cyclictest3751531-21apt-get23:05:131
3510980992420,2cyclictest3643914-21apt-get21:20:123
351098099241,21cyclictest3608487-21apt-get20:45:103
351098099241,21cyclictest0-21swapper/321:10:133
351098099241,20cyclictest3726262-21apt-get22:40:113
351098099241,20cyclictest0-21swapper/321:00:133
351098099241,19cyclictest0-21swapper/322:35:123
351098099240,21cyclictest3731314-21apt-get22:45:103
351098099240,21cyclictest3562759-21cut20:00:153
351098099240,21cyclictest3552140-21taskset19:50:093
351098099240,20cyclictest0-21swapper/320:40:113
3510978992420,3cyclictest516-21rs:main2
3510978992419,3cyclictest3613555-21apt-get20:50:102
3510978992419,3cyclictest3567067-21idleruntime-cro20:05:002
351097899241,2cyclictest3827614-21apt-get00:20:122
351097899241,21cyclictest3741447-21apt-get22:55:122
351097899241,20cyclictest0-21swapper/200:30:132
351097899240,23cyclictest3536707-21awk19:35:002
351097899240,22cyclictest3623406-21idleruntime-cro21:00:002
351097899240,21cyclictest3511190-21apt-get19:10:122
351097899240,20cyclictest0-21swapper/223:30:122
351097899240,20cyclictest0-21swapper/221:30:112
3510973992420,3cyclictest3531452-21apt-get19:30:121
351097399241,20cyclictest3674302-21apt-get21:50:111
351097399241,20cyclictest3511190-21apt-get19:10:121
3510970992422,1cyclictest0-21swapper/021:30:110
3510970992420,2cyclictest3797172-21apt-get23:50:130
3510980992318,3cyclictest0-21swapper/323:00:123
3510980992318,3cyclictest0-21swapper/323:00:123
351098099231,2cyclictest0-21swapper/321:50:123
351098099230,3cyclictest3582750-21basename20:20:003
351098099230,21cyclictest3771810-21chrt23:25:123
351098099230,21cyclictest3690403-21ps22:05:153
351098099230,20cyclictest3802714-21grep23:55:163
351098099230,20cyclictest0-21swapper/323:45:123
351098099230,20cyclictest0-21swapper/323:05:123
351098099230,20cyclictest0-21swapper/321:45:113
351098099230,20cyclictest0-21swapper/320:30:043
3510978992319,2cyclictest3633822-21apt-get21:10:132
351097899231,2cyclictest3807350-21apt-get00:00:112
351097899231,2cyclictest3552137-21apt-get19:50:092
351097899231,2cyclictest0-21swapper/223:45:112
351097899230,3cyclictest3776563-21basename23:30:002
351097899230,21cyclictest3572579-21cron20:10:002
351097899230,21cyclictest0-21swapper/222:50:112
3510973992319,2cyclictest3838195-21apt-get00:30:131
3510973992319,2cyclictest3750385-21ntpq23:00:211
3510973992319,2cyclictest3750385-21ntpq23:00:211
351097399231,1cyclictest0-21swapper/120:45:111
351097399231,19cyclictest3654028-21apt-get21:30:111
351097399230,21cyclictest3537454-21sed19:35:161
351097399230,20cyclictest0-21swapper/122:20:111
351097399230,20cyclictest0-21swapper/120:10:101
3510970992320,2cyclictest3583000-21apt-get20:20:110
3510970992319,2cyclictest3659099-21apt-get21:35:130
3510970992319,2cyclictest3649468-21grep21:25:160
3510970992319,2cyclictest3562257-21apt-get20:00:110
3510970992319,2cyclictest3536956-21apt-get19:35:120
3510970992318,3cyclictest3777322-21systemd-journal19:50:000
3510980992219,1cyclictest0-21swapper/323:40:123
3510980992219,1cyclictest0-21swapper/322:10:113
3510980992219,1cyclictest0-21swapper/320:35:103
351098099221,2cyclictest3657924-21ntpq21:30:203
351098099221,1cyclictest0-21swapper/320:20:103
351098099220,2cyclictest0-21swapper/321:15:143
351098099220,20cyclictest3720882-21cron22:35:003
351098099220,20cyclictest3617420-21ntpq20:50:203
3510978992219,2cyclictest0-21swapper/222:15:122
3510978992219,1cyclictest0-21swapper/200:10:122
3510978992218,3cyclictest3848052-21apt-get00:39:592
3510978992218,2cyclictest3802226-21apt-get23:55:122
351097899221,20cyclictest0-21swapper/223:15:112
351097899220,2cyclictest3684148-21apt-get22:00:002
351097899220,2cyclictest3551858-21cron19:50:002
351097899220,20cyclictest3694714-21awk22:09:592
351097899220,20cyclictest0-21swapper/223:00:122
351097899220,20cyclictest0-21swapper/223:00:122
351097899220,20cyclictest0-21swapper/222:24:592
3510973992218,2cyclictest3802709-21ps23:55:161
3510973992218,2cyclictest3720881-21cron22:35:001
351097399220,20cyclictest0-21swapper/122:10:041
351097399220,19cyclictest0-21swapper/120:15:121
351097399220,19cyclictest0-21swapper/100:00:121
3510970992218,2cyclictest3812893-21tr00:05:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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