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2026-03-31 - 17:42
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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 Tue Mar 31, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
410342992823,4cyclictest420418-21sh07:20:002
410342992723,3cyclictest509-21systemd-logind11:55:002
41034299262,3cyclictest623754-21awk10:40:002
41034299261,23cyclictest516970-21cron08:55:002
410346992518,5cyclictest502530-21ps08:40:173
41034699251,3cyclictest599187-21irqcore10:15:183
41034099251,22cyclictest506000-21ntpq08:40:221
41033799252,21cyclictest629043-21apt-get10:45:120
410337992521,2cyclictest726027-21apt-get12:20:120
410337992517,6cyclictest557994-21sleep09:35:010
410346992419,3cyclictest261-21systemd-journal08:40:003
41034699241,21cyclictest0-21swapper/310:05:123
41034699241,21cyclictest0-21swapper/309:55:123
41034699240,22cyclictest659824-21ps11:15:163
41034699240,20cyclictest0-21swapper/308:45:123
410342992420,2cyclictest471223-21apt-get08:10:122
410342992420,2cyclictest456040-21apt-get07:55:122
41034299241,20cyclictest664398-21apt-get11:20:122
41034299241,20cyclictest588590-21apt-get10:05:122
41034299241,20cyclictest532478-21apt-get09:10:112
41034299241,19cyclictest491178-21apt-get08:30:022
41034299240,20cyclictest0-21swapper/209:15:122
41034099241,21cyclictest568398-21apt-get09:45:121
41034099241,20cyclictest0-21swapper/111:25:121
41034099240,20cyclictest476283-21apt-get08:15:131
41034099240,20cyclictest476283-21apt-get08:15:131
410337992417,5cyclictest547363-21cron09:25:000
41033799241,21cyclictest674951-21apt-get11:30:110
41033799241,21cyclictest568113-21cron09:45:000
41033799241,21cyclictest420689-21apt-get07:20:100
41033799241,20cyclictest507123-21apt-get08:45:130
410346992319,2cyclictest649258-21apt-get11:05:123
410346992318,3cyclictest0-21swapper/312:15:013
41034699231,21cyclictest669476-21apt-get11:25:123
41034699230,20cyclictest0-21swapper/310:10:123
410342992319,2cyclictest0-21swapper/212:10:142
410342992318,3cyclictest654311-21apt-get11:10:112
410342992318,3cyclictest261-21systemd-journal10:15:002
410342992315,6cyclictest0-21swapper/210:00:002
41034299230,20cyclictest0-21swapper/211:40:112
41034299230,20cyclictest0-21swapper/211:15:122
410337992320,2cyclictest634098-21apt-get10:50:110
410337992319,2cyclictest496969-21apt-get08:35:110
410337992319,2cyclictest451011-21apt-get07:50:130
410337992318,3cyclictest491174-21sh08:30:000
41033799231,2cyclictest639175-21apt-get10:55:120
41033799231,2cyclictest598698-21apt-get10:15:140
41033799231,2cyclictest0-21swapper/007:45:120
41033799231,20cyclictest558246-21apt-get09:35:130
41033799230,3cyclictest715913-21irqcore12:10:170
41033799230,21cyclictest674466-21latency_hist11:30:010
410346992220,1cyclictest0-21swapper/311:55:123
410346992219,1cyclictest0-21swapper/309:35:123
410346992219,1cyclictest0-21swapper/307:20:093
41034699221,2cyclictest0-21swapper/309:45:123
41034699221,20cyclictest0-21swapper/307:25:123
41034699221,1cyclictest0-21swapper/307:30:133
41034699220,2cyclictest612687-21ntpq10:25:193
41034699220,2cyclictest0-21swapper/309:50:113
41034699220,21cyclictest0-21swapper/312:05:123
41034699220,20cyclictest690135-21apt-get11:45:113
41034699220,20cyclictest0-21swapper/310:57:473
41034699220,20cyclictest0-21swapper/308:25:243
410342992218,2cyclictest522297-21apt-get09:00:102
410342992218,2cyclictest0-21swapper/210:55:132
410342992218,2cyclictest0-21swapper/209:20:112
41034299221,20cyclictest0-21swapper/208:40:132
41034299220,19cyclictest0-21swapper/207:25:122
410340992218,2cyclictest648985-21basename11:05:001
410340992218,2cyclictest628770-21apt10:45:001
410340992218,2cyclictest578482-21apt-get09:55:121
41034099221,20cyclictest410332-21cyclictest07:30:171
41034099220,2cyclictest710348-21apt-get12:05:111
41034099220,2cyclictest599181-21ps10:15:181
41034099220,21cyclictest429745-21taskset07:25:221
41034099220,21cyclictest395314-21kworker/1:1+events07:20:181
41034099220,20cyclictest0-21swapper/107:45:121
410337992219,2cyclictest64-21kcompactd010:27:080
410337992219,2cyclictest0-21swapper/009:10:100
410337992219,2cyclictest0-21swapper/008:50:080
410337992218,2cyclictest689876-21munin-run11:45:000
410337992218,2cyclictest654038-21sh11:10:000
410337992218,2cyclictest0-21swapper/011:50:120
41033799221,2cyclictest0-21swapper/008:20:120
41033799221,20cyclictest64-21kcompactd010:08:520
41033799221,20cyclictest0-21swapper/011:10:110
41033799221,20cyclictest0-21swapper/010:35:100
41033799220,2cyclictest0-21swapper/009:00:100
41033799220,20cyclictest584046-21grep10:00:170
410346992119,1cyclictest64-21kcompactd008:54:083
410346992119,1cyclictest64-21kcompactd007:17:533
410346992119,1cyclictest0-21swapper/307:57:413
410346992118,2cyclictest705297-21apt-get12:00:123
410346992118,2cyclictest0-21swapper/312:15:123
410346992117,2cyclictest481338-21apt-get08:20:133
41034699210,2cyclictest0-21swapper/312:35:053
41034699210,2cyclictest0-21swapper/312:30:103
41034699210,20cyclictest64-21kcompactd007:12:323
41034699210,20cyclictest0-21swapper/312:25:123
41034699210,20cyclictest0-21swapper/309:15:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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