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2026-03-12 - 20:40
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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 Thu Mar 12, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1884199300,2cyclictest6792-21cron10:10:002
18839993028,1cyclictest25476-21awk10:50:010
1884399290,1cyclictest20284-21sh09:30:013
1884399290,1cyclictest20284-21sh09:30:013
1884199290,28cyclictest32744-21apt-get11:05:122
18840992927,1cyclictest3982-21apt-get07:45:121
1884099290,28cyclictest11480-21munin-run10:20:011
1883999290,28cyclictest0-21swapper/012:05:020
1883999290,28cyclictest0-21swapper/010:00:110
1883999290,28cyclictest0-21swapper/009:25:110
1883999290,28cyclictest0-21swapper/009:25:110
1883999290,1cyclictest0-21swapper/009:05:000
18843992828,0cyclictest0-21swapper/307:25:123
18843992827,0cyclictest24057-21apt-get07:20:123
1884399280,27cyclictest16990-21apt-get11:40:113
1884399280,1cyclictest1202-21munin-run12:15:013
1884399280,0cyclictest0-21swapper/309:45:123
18841992828,0cyclictest0-21swapper/207:45:122
18841992827,1cyclictest11742-21apt-get10:20:122
18841992826,1cyclictest23437-21apt-get10:45:122
1884199280,0cyclictest0-21swapper/211:50:122
1884199280,0cyclictest0-21swapper/210:15:112
18840992828,0cyclictest13345-21apt-get08:05:131
18840992827,1cyclictest30421-21apt-get11:00:111
1884099280,28cyclictest0-21swapper/108:10:121
1884099280,28cyclictest0-21swapper/107:35:121
1884099280,0cyclictest0-21swapper/111:25:111
1884099280,0cyclictest0-21swapper/110:25:111
18839992828,0cyclictest0-21swapper/012:20:130
18839992826,1cyclictest14361-21cron11:35:010
1883999280,27cyclictest0-21swapper/007:35:120
1883999280,0cyclictest0-21swapper/012:35:110
1883999280,0cyclictest0-21swapper/012:15:120
1883999280,0cyclictest0-21swapper/008:50:110
18843992727,0cyclictest31974-21apt-get08:45:133
18843992727,0cyclictest29000-21apt-get07:30:103
18843992727,0cyclictest0-21swapper/310:55:113
1884399270,0cyclictest0-21swapper/312:25:123
1884399270,0cyclictest0-21swapper/311:00:093
1884399270,0cyclictest0-21swapper/309:50:113
1884399270,0cyclictest0-21swapper/307:40:003
1884399270,0cyclictest0-21swapper/307:15:123
18841992727,0cyclictest20565-21apt-get09:30:112
18841992727,0cyclictest0-21swapper/212:05:122
18841992727,0cyclictest0-21swapper/209:15:112
18841992727,0cyclictest0-21swapper/209:10:122
1884199270,0cyclictest0-21swapper/210:30:112
18840992727,0cyclictest26677-21apt-get07:25:121
18840992727,0cyclictest0-21swapper/112:15:111
18840992727,0cyclictest0-21swapper/111:30:011
18840992727,0cyclictest0-21swapper/109:45:111
18839992727,0cyclictest0-21swapper/007:25:130
18839992725,1cyclictest15375-21cron08:10:020
1883999270,0cyclictest0-21swapper/010:05:120
18843992626,0cyclictest0-21swapper/312:00:113
18843992626,0cyclictest0-21swapper/311:20:133
18843992626,0cyclictest0-21swapper/310:05:113
18841992626,0cyclictest0-21swapper/211:45:032
18841992626,0cyclictest0-21swapper/209:40:012
18841992626,0cyclictest0-21swapper/208:50:112
18841992626,0cyclictest0-21swapper/207:35:022
18841992626,0cyclictest0-21swapper/207:10:122
18840992626,0cyclictest0-21swapper/108:45:121
18840992626,0cyclictest0-21swapper/108:20:121
18840992625,1cyclictest0-21swapper/112:05:011
18840992624,2cyclictest3909-21cron08:55:001
18839992626,0cyclictest0-21swapper/012:30:180
18839992626,0cyclictest0-21swapper/010:55:110
18839992626,0cyclictest0-21swapper/008:35:100
18839992625,1cyclictest621-21dbus-daemon08:35:000
18839992624,1cyclictest17693-21cron08:15:010
18843992525,0cyclictest0-21swapper/311:30:113
18843992525,0cyclictest0-21swapper/310:50:113
18843992525,0cyclictest0-21swapper/308:00:123
18843992524,1cyclictest3517-21sendmail-msp12:20:003
18841992525,0cyclictest28080-21apt-get10:55:122
18841992525,0cyclictest1658-21apt-get07:40:112
18841992525,0cyclictest14646-21apt-get11:35:112
18841992525,0cyclictest0-21swapper/210:10:122
18841992525,0cyclictest0-21swapper/209:55:112
18841992524,1cyclictest8192-21perf12:30:002
18840992525,0cyclictest29236-21apt-get12:05:121
18840992525,0cyclictest0-21swapper/112:25:131
18839992525,0cyclictest0-21swapper/011:00:090
18839992525,0cyclictest0-21swapper/007:30:120
18839992523,1cyclictest19027-21cron11:45:010
18841992424,0cyclictest0-21swapper/210:25:112
18841992424,0cyclictest0-21swapper/207:55:112
18839992424,0cyclictest0-21swapper/011:15:110
18839992424,0cyclictest0-21swapper/008:15:120
18843992323,0cyclictest0-21swapper/310:25:123
18840992323,0cyclictest0-21swapper/111:10:101
18839992323,0cyclictest0-21swapper/011:20:120
18843992220,1cyclictest20026-21cron08:20:003
18841992222,0cyclictest0-21swapper/208:05:122
18841992221,0cyclictest15916-21apt-get09:20:122
18841992220,1cyclictest6271-21munin-run08:59:592
18840992222,0cyclictest0-21swapper/109:40:101
18840992222,0cyclictest0-21swapper/109:00:111
18840992221,1cyclictest23475-21apt-get07:20:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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