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2026-05-10 - 17:39
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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 May 10, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3429148993431,2cyclictest3597293-21fwupd09:51:561
342914699301,16cyclictest3551533-21turbostat09:10:000
3429146992826,1cyclictest0-21swapper/012:20:100
3429151992724,1cyclictest0-21swapper/209:55:122
342915199271,24cyclictest3699142-21cron11:35:002
3429148992721,3cyclictest3546685-21apt-get09:05:131
342915199260,4cyclictest3592098-21apt-config09:50:002
3429148992621,3cyclictest3633400-21apt-get10:30:131
342915199252,21cyclictest3653698-21apt-get10:50:112
342915199252,21cyclictest3520493-21apt-get08:40:122
342915199251,22cyclictest3623190-21apt-get10:20:122
342914899252,2cyclictest3525547-21apt-get08:45:111
3429148992522,2cyclictest3489913-21cron08:10:011
3429148992518,2cyclictest0-21swapper/110:50:101
3429146992520,3cyclictest3613049-21apt-get10:10:120
342915699241,2cyclictest3582189-21apt-get09:40:123
342915699241,2cyclictest3582189-21apt-get09:40:123
342915699240,23cyclictest3597293-21fwupd09:51:573
342915199242,2cyclictest3709584-21apt-get11:45:122
342915199242,21cyclictest3648607-21apt-get10:45:122
3429151992420,2cyclictest3750613-21apt-get12:25:112
3429151992420,2cyclictest3602910-21apt-get10:00:122
342915199241,3cyclictest3745262-21cron12:20:012
342915199241,21cyclictest3592743-21apt-get09:50:112
342915199241,20cyclictest3500277-21apt-get08:20:132
342914899241,20cyclictest3674025-21apt-get11:10:111
342914899241,20cyclictest0-21swapper/110:15:061
342914899241,19cyclictest0-21swapper/112:10:091
342914899240,4cyclictest3709587-21taskset11:45:121
342914699242,20cyclictest3464869-21apt-get07:45:120
3429146992420,2cyclictest3582189-21apt-get09:40:120
3429146992420,2cyclictest3582189-21apt-get09:40:110
342914699241,3cyclictest3689261-21apt-get11:25:120
342914699241,21cyclictest3567002-21apt-get09:25:120
3429156992319,2cyclictest0-21swapper/311:00:013
342915699231,21cyclictest3683011-21ntpq11:15:203
342915699231,20cyclictest261-21systemd-journal11:35:003
342915699231,19cyclictest0-21swapper/310:00:133
342915699230,20cyclictest3474978-21apt-get07:55:113
3429151992319,2cyclictest3434462-21apt-get07:15:122
342915199231,2cyclictest0-21swapper/211:38:262
342915199231,2cyclictest0-21swapper/211:10:122
342915199231,2cyclictest0-21swapper/209:40:122
342915199231,2cyclictest0-21swapper/209:40:112
342915199231,20cyclictest3740182-21idleruntime-cro12:15:002
342915199231,20cyclictest3628353-21apt-get10:25:122
342915199231,20cyclictest0-21swapper/211:50:122
342915199231,20cyclictest0-21swapper/208:15:142
342915199230,21cyclictest0-21swapper/208:48:492
342915199230,20cyclictest0-21swapper/211:25:122
3429148992320,1cyclictest3699421-21apt-get11:35:121
3429148992319,2cyclictest3505331-21apt-get08:25:121
342914899231,20cyclictest3536105-21apt-get08:55:141
342914899231,20cyclictest0-21swapper/110:37:091
342914899230,20cyclictest0-21swapper/111:30:131
342914899230,20cyclictest0-21swapper/111:20:101
342914899230,20cyclictest0-21swapper/111:15:121
342914899230,20cyclictest0-21swapper/110:20:111
342914699232,20cyclictest3474978-21apt-get07:55:110
3429146992320,2cyclictest3740456-21apt-get12:15:120
3429146992319,3cyclictest3628353-21apt-get10:25:130
3429146992319,2cyclictest3643539-21apt-get10:40:120
3429146992319,2cyclictest3454716-21apt-get07:35:130
342914699231,2cyclictest3526036-21sed08:45:150
342914699231,21cyclictest3561947-21apt-get09:20:130
342914699231,21cyclictest3480032-21apt-get08:00:110
342914699231,20cyclictest3551785-21apt-get09:10:100
342914699231,20cyclictest3495243-21apt-get08:15:120
342914699231,20cyclictest3444604-21apt-get07:25:110
342914699230,22cyclictest702-21runrttasks10:55:140
342914699230,21cyclictest261-21systemd-journal12:10:000
3429156992218,3cyclictest261-21systemd-journal10:55:003
342915699221,20cyclictest3714675-21apt-get11:50:123
342915699220,21cyclictest3720664-21ps11:55:163
342915699220,19cyclictest3623193-21chrt10:20:113
342915699220,19cyclictest0-21swapper/311:25:123
3429151992219,2cyclictest0-21swapper/207:35:192
3429151992219,1cyclictest3490188-21apt-get08:10:122
3429151992218,2cyclictest0-21swapper/210:40:122
342915199221,2cyclictest0-21swapper/212:21:262
342915199221,20cyclictest3638980-21grep10:35:172
342915199221,20cyclictest0-21swapper/211:40:122
342915199221,20cyclictest0-21swapper/211:15:202
342915199221,20cyclictest0-21swapper/207:55:112
342915199221,1cyclictest0-21swapper/208:25:122
342915199221,1cyclictest0-21swapper/208:00:122
342915199220,2cyclictest0-21swapper/211:00:112
342915199220,21cyclictest64-21kcompactd010:07:022
342915199220,21cyclictest3535420-21apt-get08:55:022
342915199220,21cyclictest0-21swapper/207:25:282
342915199220,21cyclictest0-21swapper/207:20:122
342915199220,20cyclictest3658795-21apt-get10:55:142
342914899221,2cyclictest3480032-21apt-get08:00:121
342914899220,2cyclictest3459544-21sleep07:40:011
342914899220,20cyclictest3454447-21cron07:35:011
342914899220,20cyclictest0-21swapper/107:55:111
342914899220,19cyclictest0-21swapper/111:50:121
342914899220,19cyclictest0-21swapper/111:40:121
342914899220,19cyclictest0-21swapper/107:50:151
3429146992218,2cyclictest3719482-21munin-run11:55:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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