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2026-03-25 - 07:10
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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 Mar 25, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3298644995351,1cyclictest3528123-21fwupd22:51:232
3298648994440,2cyclictest3528123-21fwupd22:51:243
3298638992823,3cyclictest3604612-21cron00:09:590
329863899271,23cyclictest3425911-21cron21:15:000
329863899271,23cyclictest261-21systemd-journal19:30:000
329864899262,21cyclictest3554176-21apt-get23:20:123
329864299262,3cyclictest3374777-21apt-get20:25:121
329864299261,22cyclictest3497485-21apt-get22:25:131
329864299261,21cyclictest3594706-21apt-get00:00:091
329863899261,24cyclictest3416569-21sort21:05:180
329864899252,3cyclictest3477244-21apt-get22:05:133
329864899252,19cyclictest3364687-21apt-get20:15:093
329864899250,22cyclictest3334303-21seq19:45:113
329864499251,20cyclictest0-21swapper/220:40:112
329864499250,24cyclictest3512833-21cron22:40:012
3298642992518,5cyclictest3477743-21sed22:05:181
329864299251,21cyclictest3569082-21cron23:34:591
329864299251,21cyclictest0-21swapper/122:30:121
329864299251,20cyclictest3308987-21apt-get19:20:111
329864299251,20cyclictest3308987-21apt-get19:20:101
329863899251,3cyclictest3349531-21apt-get20:00:130
329863899251,22cyclictest3384631-21sleep20:35:000
329863899251,21cyclictest3615078-21apt-get00:20:110
329863899251,21cyclictest0-21swapper/021:40:120
329863899250,23cyclictest3375268-21cut20:25:160
329864899242,2cyclictest3620124-21apt-get00:25:143
3298648992420,2cyclictest3492428-21apt-get22:20:113
3298648992420,2cyclictest3456582-21apt-get21:45:123
329864899241,20cyclictest3574450-21apt-get23:40:123
329864899241,20cyclictest3314017-21apt-get19:25:113
329864899240,22cyclictest0-21swapper/320:55:103
329864899240,22cyclictest0-21swapper/320:40:113
329864499241,2cyclictest3441374-21apt-get21:30:122
329864499241,2cyclictest0-21swapper/222:40:162
329864499241,20cyclictest3528736-21apt-get22:55:102
329864499241,20cyclictest3411022-21apt-get21:00:122
329864499241,20cyclictest3334300-21apt-get19:45:112
329864499241,20cyclictest3324127-21apt-get19:35:142
329864499241,20cyclictest0-21swapper/222:46:432
329864499241,20cyclictest0-21swapper/200:25:142
329864299241,20cyclictest3543966-21apt-get23:10:111
329864299240,20cyclictest0-21swapper/123:35:141
329864299240,20cyclictest0-21swapper/122:55:111
329864299240,20cyclictest0-21swapper/100:30:101
329863899242,20cyclictest3569361-21apt-get23:35:130
3298638992420,3cyclictest3405944-21apt-get20:55:100
3298638992420,2cyclictest3518588-21apt-get22:45:110
3298638992419,3cyclictest3609985-21apt-get00:15:130
3298638992419,3cyclictest0-21swapper/021:25:120
3298638992419,2cyclictest3461634-21apt-get21:50:120
3298638992418,4cyclictest0-21swapper/021:05:000
329863899241,22cyclictest3589634-21apt-get23:55:140
329863899241,21cyclictest3514025-21tr22:40:160
329863899241,21cyclictest3482298-21apt-get22:10:140
329863899241,20cyclictest3344452-21apt-get19:55:110
329863899240,22cyclictest0-21swapper/023:00:110
3298648992320,2cyclictest3537741-21ntpq23:00:213
3298648992320,1cyclictest3625168-21apt-get00:30:103
329864899230,20cyclictest3395416-21apt-get20:45:123
329864899230,20cyclictest0-21swapper/322:44:343
329864499233,2cyclictest3313759-21munin-plugin-st19:25:002
329864499233,2cyclictest3313759-21munin-plugin-st19:25:002
3298644992319,2cyclictest3604893-21apt-get00:10:142
3298644992319,2cyclictest3339377-21apt-get19:50:122
3298644992318,4cyclictest3395605-21grep20:45:132
329864499231,1cyclictest3416079-21apt-get21:05:142
329864499231,19cyclictest0-21swapper/221:50:112
329864499230,20cyclictest0-21swapper/223:25:192
329864499230,20cyclictest0-21swapper/221:45:122
329864499230,20cyclictest0-21swapper/220:55:102
3298642992319,2cyclictest0-21swapper/120:40:121
3298642992318,2cyclictest3319071-21apt-get19:30:101
329864299231,2cyclictest3537760-21ntpq23:00:211
329864299231,2cyclictest0-21swapper/120:05:121
329864299230,21cyclictest3436814-21ps21:25:161
329864299230,20cyclictest0-21swapper/122:20:121
329864299230,20cyclictest0-21swapper/121:20:121
329864299230,20cyclictest0-21swapper/120:30:141
329864299230,20cyclictest0-21swapper/120:20:111
329864299230,20cyclictest0-21swapper/119:40:121
3298638992319,2cyclictest3508057-21apt-get22:35:130
3298638992319,2cyclictest0-21swapper/021:55:170
3298638992317,4cyclictest261-21systemd-journal20:50:000
329863899231,2cyclictest0-21swapper/020:10:150
329863899231,2cyclictest0-21swapper/000:25:130
329863899231,20cyclictest3385310-21apt-get20:35:120
329863899231,20cyclictest0-21swapper/021:35:130
329863899230,3cyclictest0-21swapper/021:48:390
329863899230,21cyclictest3599550-21grep00:04:590
329863899230,21cyclictest0-21swapper/020:15:090
3298648992219,2cyclictest516-21rs:main3
3298648992219,2cyclictest3359385-21latency_hist20:10:003
3298648992219,1cyclictest3451505-21apt-get21:40:123
3298648992218,2cyclictest3492150-21cron22:20:003
329864899220,20cyclictest3613829-21sshd00:15:203
329864899220,20cyclictest3298860-21seq19:10:133
329864899220,1cyclictest0-21swapper/321:55:063
329864899220,1cyclictest0-21swapper/319:20:113
329864899220,1cyclictest0-21swapper/319:20:113
329864899220,19cyclictest3370207-21ps20:20:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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