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2026-05-18 - 09:20
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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 May 18, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
376392099275,21cyclictest3994659-21cron22:55:002
376392099270,20cyclictest0-21swapper/220:55:112
376392099270,20cyclictest0-21swapper/220:55:102
3763915992724,2cyclictest3779118-21systemd-run19:25:010
376392399261,21cyclictest3917339-21apt-get21:40:133
376392399261,21cyclictest0-21swapper/319:30:123
376392099260,23cyclictest0-21swapper/219:50:132
3763923992523,1cyclictest4000967-21irqcore23:00:183
376392399251,3cyclictest0-21swapper/319:10:113
376392399251,22cyclictest0-21swapper/321:15:163
376392399251,21cyclictest3845639-21apt-get20:30:133
376392399250,22cyclictest0-21swapper/321:30:123
376392399250,22cyclictest0-21swapper/320:55:113
376392399250,22cyclictest0-21swapper/320:55:113
376392399250,21cyclictest3805086-21apt-get19:50:133
376392099251,21cyclictest3876373-21apt-get21:00:132
376391799251,21cyclictest3870890-21apt-get20:55:121
376391799251,21cyclictest3870890-21apt-get20:55:111
376391799251,20cyclictest4031240-21apt-get23:30:111
3763915992520,3cyclictest3820300-21apt-get20:05:140
3763923992419,3cyclictest0-21swapper/321:05:133
3763923992419,3cyclictest0-21swapper/321:05:133
3763923992419,2cyclictest0-21swapper/322:25:123
376392399241,21cyclictest0-21swapper/320:01:523
376392399241,20cyclictest0-21swapper/323:35:113
376392399241,20cyclictest0-21swapper/323:35:113
376392399241,20cyclictest0-21swapper/322:05:123
376392399241,1cyclictest0-21swapper/323:20:463
376392399241,1cyclictest0-21swapper/320:10:113
376392399240,22cyclictest261-21systemd-journal20:55:003
376392399240,22cyclictest0-21swapper/319:55:123
376392399240,21cyclictest0-21swapper/319:19:233
376392399240,1cyclictest0-21swapper/320:25:113
3763920992419,3cyclictest3947673-21apt-get22:10:122
376392099241,21cyclictest3937538-21apt-get22:00:122
376392099241,20cyclictest3942593-21apt-get22:05:122
376392099241,20cyclictest3860804-21apt-get20:45:122
376392099241,20cyclictest3850717-21apt-get20:35:132
376392099241,20cyclictest0-21swapper/220:52:562
376392099240,21cyclictest0-21swapper/222:40:122
376392099240,20cyclictest0-21swapper/200:30:152
376391799241,20cyclictest4051936-21apt-get23:50:131
376391799240,22cyclictest3931320-21taskset21:50:221
376391599242,2cyclictest3891569-21apt-get21:15:160
376391599240,22cyclictest3820029-21sh20:04:590
3763923992319,2cyclictest4077311-21apt-get00:15:143
3763923992319,2cyclictest3968944-21df22:30:143
3763923992319,2cyclictest261-21systemd-journal21:05:003
3763923992319,2cyclictest0-21swapper/322:10:123
376392399231,2cyclictest0-21swapper/322:00:123
376392399231,21cyclictest0-21swapper/322:40:123
376392399231,20cyclictest0-21swapper/300:30:153
376392399230,21cyclictest4062075-21apt-get00:00:133
3763920992319,2cyclictest3881451-21apt-get21:05:132
3763920992319,2cyclictest3881451-21apt-get21:05:122
3763920992319,2cyclictest0-21swapper/219:10:112
376392099231,20cyclictest0-21swapper/200:00:192
376392099230,2cyclictest0-21swapper/220:05:142
376392099230,21cyclictest0-21swapper/221:40:132
376392099230,20cyclictest0-21swapper/223:50:122
376392099230,20cyclictest0-21swapper/219:40:122
376392099230,19cyclictest0-21swapper/221:30:122
3763917992319,2cyclictest3830400-21apt-get20:15:121
3763917992319,2cyclictest261-21systemd-journal19:40:011
376391799231,20cyclictest4092917-21apt-get00:30:131
376391799231,19cyclictest3865837-21apt-get20:50:121
376391799230,3cyclictest4056992-21seq23:55:111
376391799230,3cyclictest3865557-21cron20:49:591
376391599231,2cyclictest3979374-21apt-get22:40:120
3763923992219,2cyclictest0-21swapper/323:45:153
3763923992219,2cyclictest0-21swapper/323:45:143
3763923992219,2cyclictest0-21swapper/323:15:123
3763923992219,1cyclictest0-21swapper/321:35:123
3763923992219,1cyclictest0-21swapper/321:20:143
3763923992218,2cyclictest0-21swapper/319:20:133
376392399221,2cyclictest4072236-21taskset00:10:123
376392399221,2cyclictest0-21swapper/320:45:133
376392399221,2cyclictest0-21swapper/320:05:143
376392399221,20cyclictest4026168-21apt-get23:25:113
376392399221,1cyclictest0-21swapper/300:05:113
376392399220,21cyclictest481rcuc/320:20:183
376392399220,21cyclictest0-21swapper/323:05:133
376392399220,20cyclictest0-21swapper/323:50:123
376392399220,20cyclictest0-21swapper/319:40:123
3763920992220,1cyclictest3989414-21latency_hist22:50:002
3763920992218,2cyclictest3774029-21idleruntime-cro19:20:012
3763920992218,2cyclictest0-21swapper/200:29:022
3763920992217,3cyclictest0-21swapper/221:20:132
376392099221,20cyclictest4067153-21apt-get00:05:122
376392099220,1cyclictest0-21swapper/223:00:142
376392099220,1cyclictest0-21swapper/200:10:122
376392099220,19cyclictest3994679-21apt-get22:55:022
376392099220,19cyclictest0-21swapper/219:55:122
3763917992219,2cyclictest0-21swapper/123:25:131
3763917992219,1cyclictest4036296-21apt-get23:35:121
3763917992219,1cyclictest4036296-21apt-get23:35:111
3763917992219,1cyclictest0-21swapper/119:20:131
3763917992217,4cyclictest261-21systemd-journal00:20:001
376391799221,1cyclictest4087871-21apt-get00:25:111
376391799220,20cyclictest0-21swapper/123:05:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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