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2025-12-25 - 10:09
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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 Thu Dec 25, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3311182993429,4cyclictest3418078-21fwupd20:53:010
331118299320,28cyclictest0-21swapper/020:45:120
331118299310,30cyclictest3612627-21cron00:05:000
331118299301,27cyclictest3397560-21sh20:35:000
3311182992919,8cyclictest702-21runrttasks19:50:110
331118299291,25cyclictest3628535-21apt-get00:20:090
331118299291,24cyclictest3526743-21apt-get22:40:130
3311182992912,15cyclictest3429335-21awk21:04:590
331118299290,25cyclictest0-21swapper/022:10:110
331119299280,24cyclictest3311880-21irqcore19:10:153
331118799282,22cyclictest3618420-21apt-get00:10:132
331118299281,24cyclictest3326584-21apt-get19:25:100
331118299281,24cyclictest0-21swapper/023:15:120
331118299280,9cyclictest3516327-21cron22:30:010
331119299271,21cyclictest3496351-21apt-get22:10:103
331118299272,22cyclictest3455336-21apt-get21:30:120
331118299271,6cyclictest3439680-21apt-get21:15:120
331118299271,13cyclictest3542414-21cat22:55:170
331118299271,13cyclictest0-21swapper/023:35:160
331118299270,26cyclictest3367205-21munin-run20:05:000
331118299270,26cyclictest0-21swapper/021:20:190
331118299270,26cyclictest0-21swapper/019:40:000
331118299270,24cyclictest0-21swapper/023:50:120
331118299270,10cyclictest3603218-21ps23:55:170
331119299262,21cyclictest3480724-21apt-get21:55:123
331119299262,21cyclictest3480724-21apt-get21:55:113
331118799261,21cyclictest3557250-21apt-get23:10:132
331118799261,21cyclictest3429585-21apt-get21:05:122
331118299265,11cyclictest3537235-21gltestperf22:50:150
3311182992622,2cyclictest0-21swapper/000:10:170
3311182992618,7cyclictest3532317-21ps22:45:160
331118299261,24cyclictest0-21swapper/022:20:200
331118299261,21cyclictest0-21swapper/022:05:110
331118299261,13cyclictest3576139-21missed_timers23:25:220
331118299261,13cyclictest3469370-21ntpq21:40:220
331118299260,12cyclictest3555858-21tr23:05:180
331119299251,22cyclictest3567312-21apt-get23:20:123
331119299251,22cyclictest3387456-21idleruntime-cro20:25:013
331119299251,21cyclictest0-21swapper/300:25:123
331119299251,20cyclictest3491306-21apt-get22:05:123
331119299251,20cyclictest3407958-21apt-get20:45:133
331119299251,20cyclictest0-21swapper/321:30:123
331119299250,21cyclictest0-21swapper/322:55:133
3311187992520,3cyclictest3623480-21apt-get00:15:112
3311187992520,3cyclictest3577445-21apt-get23:30:132
331118799250,21cyclictest0-21swapper/200:00:152
331118299252,21cyclictest3418979-21apt-get20:55:130
331118299250,24cyclictest0-21swapper/023:34:590
331118299250,13cyclictest3617362-21awk00:05:220
331118299250,13cyclictest3551226-21sed23:00:240
331118299250,13cyclictest3485977-21latency_hist22:00:000
331118299250,13cyclictest3477402-21kthreadcore21:50:170
331118299250,13cyclictest3350515-21cut19:45:180
331118299250,12cyclictest3648421-21cat00:35:220
331118299250,12cyclictest3430511-21grep21:05:170
331118299250,12cyclictest3402645-21/usr/sbin/munin20:40:000
3311192992419,3cyclictest3589685-21cat23:40:183
331119299241,3cyclictest3356214-21ntpq19:50:203
331119299241,20cyclictest3531833-21apt-get22:45:123
331119299241,19cyclictest3402881-21apt-get20:40:103
331119299240,4cyclictest3537382-21irqcore22:50:183
331119299240,20cyclictest0-21swapper/319:40:133
331118799245,10cyclictest3556992-21munin-run23:10:012
3311187992419,3cyclictest3587596-21apt-get23:40:132
331118799241,20cyclictest3597682-21apt-get23:50:122
331118799241,20cyclictest3377569-21apt-get20:15:122
331118799241,20cyclictest3372515-21apt-get20:10:122
331118799240,20cyclictest0-21swapper/222:05:122
331118499242,20cyclictest3541953-21apt-get22:55:131
331118499242,20cyclictest3387727-21apt-get20:25:131
331118499241,2cyclictest3638639-21apt-get00:30:131
331118499241,21cyclictest3413438-21apt-get20:50:131
331118299242,11cyclictest3624426-21kthreadcore00:15:170
3311182992418,4cyclictest3382648-21apt-get20:20:120
331118299241,2cyclictest3321533-21apt-get19:20:120
331118299241,20cyclictest3521697-21apt-get22:35:120
331118299241,20cyclictest0-21swapper/020:05:140
331118299241,19cyclictest0-21swapper/020:25:130
331118299241,11cyclictest3557733-21ps23:10:170
331118299240,15cyclictest1-21systemd21:40:000
331118299240,13cyclictest3643133-21modprobe00:31:180
331118299240,13cyclictest3567569-21perl23:20:130
331118299240,13cyclictest3376257-21grep20:10:190
331118299240,12cyclictest3521537-21sed22:35:000
331118299240,12cyclictest3434719-21expr21:10:140
331118299240,11cyclictest3589376-21cut23:40:180
331118299240,11cyclictest3403349-21if_err_enp0s30f20:40:140
3311192992319,2cyclictest3357357-21apt-get19:55:133
331119299231,2cyclictest3552150-21apt-get23:05:123
331119299231,2cyclictest0-21swapper/322:35:133
331119299231,2cyclictest0-21swapper/320:55:113
331119299231,20cyclictest3617319-21ntpq00:05:233
331119299231,20cyclictest0-21swapper/321:00:123
331119299231,20cyclictest0-21swapper/319:15:123
331119299230,20cyclictest3506469-21apt-get22:20:133
331119299230,20cyclictest0-21swapper/323:00:123
331119299230,20cyclictest0-21swapper/320:15:123
3311187992319,2cyclictest3644135-21apt-get00:35:092
3311187992319,2cyclictest3582521-21apt-get23:35:132
3311187992318,3cyclictest3603230-21ps23:55:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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