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2025-11-24 - 21:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackeslot5.osadl.org (updated Mon Nov 24, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
608899320,32cyclictest0-21swapper/212:30:122
608899320,32cyclictest0-21swapper/207:25:132
6084993128,2cyclictest27083-21latency_hist11:20:011
609499300,29cyclictest13677-21cron08:35:013
6088993026,4cyclictest0-21swapper/207:10:132
608499300,29cyclictest27670-21awk09:05:001
6094992927,1cyclictest7249-21apt-get09:30:123
6088992928,0cyclictest20961-21apt-get08:50:092
608899290,28cyclictest27958-21apt-get09:05:142
608899290,28cyclictest0-21swapper/209:55:122
608499290,28cyclictest0-21swapper/109:55:131
608499290,1cyclictest18964-21cron12:10:001
6081992927,1cyclictest609-21dbus-daemon08:45:000
6081992927,1cyclictest22735-21chrt07:45:120
608199290,28cyclictest0-21swapper/012:00:110
608199290,28cyclictest0-21swapper/009:40:140
6094992827,1cyclictest9639-21apt-get11:50:133
609499280,28cyclictest0-21swapper/308:50:093
609499280,0cyclictest0-21swapper/307:15:133
6088992828,0cyclictest10461-21apt-get10:45:122
6088992828,0cyclictest0-21swapper/210:25:122
6088992827,1cyclictest28259-21perf10:15:012
6084992828,0cyclictest19559-21apt-get12:10:141
6084992827,1cyclictest615-21rs:main1
6084992826,1cyclictest11373-21perf08:30:001
608499280,0cyclictest16319-21apt-get08:40:141
608499280,0cyclictest0-21swapper/110:20:111
6081992827,1cyclictest6755-21perf11:45:000
6081992826,1cyclictest0-21swapper/010:25:000
608199280,1cyclictest0-21swapper/007:55:130
608199280,0cyclictest0-21swapper/012:30:130
6094992727,0cyclictest0-21swapper/307:35:123
6094992726,1cyclictest5200-21perf10:35:003
609499270,27cyclictest0-21swapper/307:50:033
609499270,0cyclictest0-21swapper/309:25:143
6088992727,0cyclictest9316-21apt-get08:25:132
6088992727,0cyclictest0-21swapper/209:25:142
6088992727,0cyclictest0-21swapper/208:45:132
6088992727,0cyclictest0-21swapper/208:35:132
6088992727,0cyclictest0-21swapper/207:30:122
6088992727,0cyclictest0-21swapper/207:15:122
608899270,0cyclictest26552-21apt-get12:25:132
6084992727,0cyclictest0-21swapper/111:05:131
6084992727,0cyclictest0-21swapper/110:55:121
6084992727,0cyclictest0-21swapper/107:15:121
6084992725,1cyclictest22-21ksoftirqd/109:40:001
608499270,27cyclictest0-21swapper/112:15:111
6081992727,0cyclictest9316-21apt-get08:25:120
6081992727,0cyclictest0-21swapper/011:55:130
608199270,0cyclictest0-21swapper/011:25:140
608199270,0cyclictest0-21swapper/011:10:140
6094992624,1cyclictest21813-21awk11:10:023
6088992626,0cyclictest0-21swapper/211:25:132
6088992626,0cyclictest0-21swapper/211:20:122
6088992626,0cyclictest0-21swapper/210:40:012
6088992621,4cyclictest22731-21apt-get07:45:122
6084992626,0cyclictest0-21swapper/108:15:011
6081992626,0cyclictest19201-21apt-get09:55:130
6081992626,0cyclictest0-21swapper/011:00:120
6094992525,0cyclictest2594-21apt-get09:20:133
6094992525,0cyclictest0-21swapper/309:35:143
6094992525,0cyclictest0-21swapper/309:05:133
6094992524,1cyclictest1984-21apt-get11:35:123
6088992525,0cyclictest0-21swapper/210:15:102
6084992525,0cyclictest0-21swapper/109:10:121
6084992525,0cyclictest0-21swapper/107:40:121
6081992525,0cyclictest0-21swapper/010:05:130
6081992525,0cyclictest0-21swapper/009:25:130
6081992523,1cyclictest0-21swapper/012:30:020
6094992424,0cyclictest0-21swapper/312:05:133
6094992423,1cyclictest6993-21apt-get08:20:143
6094992423,1cyclictest32019-21apt-get11:30:113
6088992424,0cyclictest0-21swapper/212:05:022
6088992424,0cyclictest0-21swapper/211:10:142
6084992424,0cyclictest0-21swapper/112:25:121
6084992424,0cyclictest0-21swapper/107:30:131
6084992422,1cyclictest0-21swapper/111:50:021
6081992424,0cyclictest0-21swapper/012:10:160
6094992323,0cyclictest16304-21perf09:50:003
6094992323,0cyclictest0-21swapper/310:10:153
6088992323,0cyclictest27683-21apt-get07:55:122
6084992323,0cyclictest0-21swapper/112:20:121
6084992323,0cyclictest0-21swapper/110:10:011
6084992323,0cyclictest0-21swapper/109:05:141
6084992322,1cyclictest30906-21cron12:35:021
6081992323,0cyclictest0-21swapper/009:50:130
6081992323,0cyclictest0-21swapper/007:20:120
6094992222,0cyclictest0-21swapper/312:15:113
6094992222,0cyclictest0-21swapper/311:40:023
6094992220,1cyclictest25366-21munin-run08:59:593
6088992222,0cyclictest0-21swapper/207:20:112
608899220,21cyclictest18619-21latency_hist09:55:002
6081992222,0cyclictest0-21swapper/011:15:130
6081992222,0cyclictest0-21swapper/010:40:020
6081992222,0cyclictest0-21swapper/007:35:120
6081992221,0cyclictest16932-21apt-get12:05:120
6081992220,1cyclictest27372-21apt-get11:20:130
6094992121,0cyclictest0-21swapper/308:25:123
6094992119,1cyclictest2319-21perf09:20:013
6088992121,0cyclictest0-21swapper/209:40:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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