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2026-04-05 - 16:21
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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 Sun Apr 05, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3283216994845,2cyclictest3287325-21fwupd07:10:221
3283213994138,2cyclictest3251642-21kworker/0:2+pm07:10:230
3283220993228,3cyclictest401ktimers/209:25:022
328322299281,20cyclictest0-21swapper/309:20:103
328322099287,20cyclictest3548560-21awk11:30:002
328321699261,5cyclictest3436930-21idleruntime-cro09:40:001
3283222992519,3cyclictest3457489-21apt-get10:00:123
328322299251,22cyclictest261-21systemd-journal11:20:003
328322299250,5cyclictest3339419-21cron08:05:003
328321699251,5cyclictest3498576-21taskset10:40:151
328321399252,3cyclictest3548828-21apt-get11:30:110
3283213992519,4cyclictest3579435-21grep12:00:000
328321399250,23cyclictest3508105-21awk10:50:000
3283222992420,2cyclictest3452413-21apt-get09:55:123
328322299241,20cyclictest3609970-21apt-get12:30:113
328322299241,20cyclictest3564462-21apt-get11:45:123
328322299241,20cyclictest0-21swapper/311:35:013
328322299240,5cyclictest3472370-21https10:15:003
328322099241,20cyclictest3488235-21apt-get10:30:132
3283216992420,3cyclictest3492205-21ntpq10:30:231
328321699241,3cyclictest3513431-21apt-get10:55:111
328321699241,3cyclictest3360873-21ps08:25:161
328321699240,3cyclictest3483659-21grep10:25:181
328321399244,1cyclictest0-21swapper/012:30:210
3283213992421,2cyclictest3584465-21cron12:05:000
3283213992420,2cyclictest3329582-21apt-get07:55:130
3283213992419,3cyclictest3390571-21munin-run08:55:000
328321399241,3cyclictest3370528-21apt-get08:35:110
328321399241,2cyclictest3559407-21apt-get11:40:110
328321399241,21cyclictest3324198-21latency_hist07:50:010
3283222992320,2cyclictest0-21swapper/308:20:123
3283222992319,3cyclictest3389845-21/usr/sbin/munin08:50:223
3283222992319,2cyclictest3483172-21apt-get10:25:143
3283222992319,2cyclictest3308842-21apt-get07:35:133
3283222992318,3cyclictest3615024-21chrt12:35:103
3283222992318,3cyclictest3287413-21ntpq07:10:223
328322299231,2cyclictest3493284-21apt-get10:35:103
328322299231,2cyclictest3427098-21apt-get09:30:123
328322299231,20cyclictest3421639-21apt-get09:25:123
328322299230,3cyclictest3452135-21cron09:54:593
328322299230,20cyclictest0-21swapper/311:55:113
328322299230,20cyclictest0-21swapper/308:30:103
328322299230,19cyclictest0-21swapper/311:10:123
328322099231,21cyclictest3574637-21apt-get11:55:122
328322099231,19cyclictest3303728-21apt-get07:30:122
328322099230,19cyclictest0-21swapper/212:15:102
3283216992320,2cyclictest3404933-21ntpq09:05:211
3283216992320,2cyclictest3390826-21apt-get08:55:121
3283216992319,2cyclictest3313958-21apt-get07:40:141
328321699231,2cyclictest3462541-21apt-get10:05:121
328321699231,20cyclictest3543751-21apt-get11:25:101
328321699231,20cyclictest3375313-21munin-run08:40:001
328321699230,22cyclictest3447062-21idleruntime-cro09:50:001
328321699230,20cyclictest3385756-21apt-get08:50:111
328321699230,20cyclictest0-21swapper/108:10:131
328321399231,2cyclictest3375574-21apt-get08:40:120
328321399231,20cyclictest0-21swapper/011:05:120
328321399230,4cyclictest3344496-21awk08:10:000
328321399230,20cyclictest0-21swapper/007:15:110
3283222992220,1cyclictest3554333-21apt-get11:35:143
3283222992219,2cyclictest3604640-21sh12:25:003
3283222992219,2cyclictest3502208-21ntpq10:40:223
3283222992218,2cyclictest0-21swapper/308:40:123
328322299221,20cyclictest0-21swapper/312:08:133
328322299220,21cyclictest3527416-21nfs_client11:05:193
328322299220,19cyclictest0-21swapper/312:10:113
3283220992219,2cyclictest3584747-21apt-get12:05:132
3283220992219,2cyclictest3584466-21cron12:05:002
3283220992219,2cyclictest0-21swapper/210:55:112
328322099220,2cyclictest3508875-21sed10:50:152
328322099220,20cyclictest3548831-21taskset11:30:102
328322099220,20cyclictest3385489-21basename08:50:012
328322099220,19cyclictest0-21swapper/210:40:132
328322099220,19cyclictest0-21swapper/208:40:112
328322099220,19cyclictest0-21swapper/207:25:122
3283216992219,2cyclictest3319023-21apt-get07:45:101
3283216992218,2cyclictest3535870-21kthreadcore11:15:171
328321699221,20cyclictest0-21swapper/109:40:141
328321699220,3cyclictest3524047-21sed11:05:151
328321699220,21cyclictest3411597-21irqcore09:15:141
328321699220,20cyclictest3548803-21/usr/sbin/munin11:30:191
328321699220,20cyclictest3313699-21munin-run07:40:001
3283213992219,2cyclictest0-21swapper/007:35:110
3283213992217,4cyclictest3391310-21ps08:55:170
328321399221,2cyclictest3344765-21apt-get08:10:140
328321399221,20cyclictest0-21swapper/011:10:120
328321399221,20cyclictest0-21swapper/010:05:120
328321399221,20cyclictest0-21swapper/009:15:100
328321399221,20cyclictest0-21swapper/009:05:120
328321399220,2cyclictest0-21swapper/010:25:130
328321399220,21cyclictest3518236-21idleruntime-cro11:00:000
328321399220,21cyclictest3354597-21cron08:20:010
328321399220,21cyclictest3308564-21cron07:35:000
328321399220,21cyclictest0-21swapper/010:20:120
3283222992119,1cyclictest0-21swapper/308:10:143
3283222992118,2cyclictest3548558-21idleruntime-cro11:30:003
3283222992118,2cyclictest0-21swapper/307:40:133
3283222992118,1cyclictest0-21swapper/307:30:113
328322299211,19cyclictest0-21swapper/310:18:333
328322299210,20cyclictest0-21swapper/307:17:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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