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2025-12-01 - 21:20
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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 Dec 01, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3153499310,30cyclictest11011-21sh07:35:013
31527993028,1cyclictest18099-21cron07:50:001
3153499290,28cyclictest27425-21apt-get11:35:113
3153499290,28cyclictest2355-21apt-get08:25:123
3153499290,1cyclictest9353-21apt-get08:40:103
3153499290,1cyclictest8785-21cron12:05:013
3153099290,28cyclictest18407-21apt-get09:00:012
3152799290,28cyclictest0-21swapper/110:50:131
3152799290,28cyclictest0-21swapper/109:15:121
3152499290,28cyclictest10517-21apt-get09:50:120
31534992828,0cyclictest0-21swapper/311:05:123
31534992828,0cyclictest0-21swapper/310:40:023
3153499280,28cyclictest0-21swapper/311:30:133
31530992827,1cyclictest609-21dbus-daemon10:35:002
31527992828,0cyclictest0-21swapper/110:45:141
3152799280,28cyclictest0-21swapper/107:10:131
3152799280,0cyclictest1826-21apt-get10:40:181
3152799280,0cyclictest0-21swapper/109:45:131
31524992828,0cyclictest0-21swapper/010:40:020
31524992828,0cyclictest0-21swapper/008:20:140
31524992827,1cyclictest0-21swapper/010:50:120
31524992826,1cyclictest6379-21perf07:25:010
31524992826,1cyclictest19570-21munin-run10:10:000
3152499280,28cyclictest25119-21perf08:05:020
3152499280,28cyclictest0-21swapper/011:40:150
3152499280,0cyclictest2081-21apt-get11:50:160
31534992727,0cyclictest0-21swapper/312:35:133
31534992727,0cyclictest0-21swapper/308:05:173
31534992725,1cyclictest609-21dbus-daemon11:05:003
31530992727,0cyclictest884-21apt-get09:30:112
31530992727,0cyclictest0-21swapper/210:55:142
31530992727,0cyclictest0-21swapper/208:20:142
31530992727,0cyclictest0-21swapper/207:55:142
31527992727,0cyclictest7011-21apt-get08:35:141
31527992727,0cyclictest0-21swapper/112:10:121
31527992727,0cyclictest0-21swapper/111:35:011
31527992727,0cyclictest0-21swapper/108:40:101
3152799270,27cyclictest0-21swapper/111:15:001
31524992727,0cyclictest4682-21apt-get08:30:120
31524992727,0cyclictest15185-21apt-get10:00:120
31524992727,0cyclictest0-21swapper/012:25:130
31524992726,1cyclictest4394-21apt-get11:55:110
31524992725,1cyclictest0-21swapper/012:15:010
3152499270,0cyclictest0-21swapper/009:35:130
3152499270,0cyclictest0-21swapper/008:35:160
3152499270,0cyclictest0-21swapper/007:45:130
31534992626,0cyclictest13714-21apt-get12:15:153
31534992626,0cyclictest11391-21apt-get12:10:133
31534992626,0cyclictest0-21swapper/310:20:123
31534992626,0cyclictest0-21swapper/307:15:123
31534992622,3cyclictest828-21lldpd08:00:143
31530992626,0cyclictest0-21swapper/210:10:122
31530992626,0cyclictest0-21swapper/209:50:022
31530992626,0cyclictest0-21swapper/208:35:152
31527992626,0cyclictest0-21swapper/112:15:141
31527992626,0cyclictest0-21swapper/111:45:151
31534992525,0cyclictest9957-21perf09:50:003
31534992524,1cyclictest20724-21apt-get07:55:143
31530992525,0cyclictest0-21swapper/211:40:142
31530992525,0cyclictest0-21swapper/210:15:122
31530992525,0cyclictest0-21swapper/208:55:112
31530992524,1cyclictest6647-21apt-get07:25:152
31530992523,1cyclictest3885-21munin-run10:45:012
31527992524,1cyclictest2355-21apt-get08:25:111
31524992525,0cyclictest0-21swapper/012:20:120
31524992525,0cyclictest0-21swapper/010:55:130
31524992525,0cyclictest0-21swapper/008:10:120
31524992524,0cyclictest0-21swapper/008:25:110
31534992424,0cyclictest0-21swapper/310:10:133
31530992424,0cyclictest0-21swapper/211:50:162
31530992424,0cyclictest0-21swapper/211:10:132
31530992423,1cyclictest1403-21munin-run07:15:002
31530992422,1cyclictest15814-21munin-run07:45:002
31527992424,0cyclictest0-21swapper/108:05:181
31524992424,0cyclictest0-21swapper/008:15:130
31524992424,0cyclictest0-21swapper/007:40:120
31534992323,0cyclictest5566-21apt-get09:40:123
31530992323,0cyclictest0-21swapper/211:55:112
31530992321,1cyclictest0-21swapper/209:40:002
31527992323,0cyclictest0-21swapper/110:15:111
31527992321,1cyclictest8811-21munin-run12:05:011
31524992323,0cyclictest0-21swapper/009:20:120
31524992321,1cyclictest15527-21munin-run11:10:000
31534992222,0cyclictest26828-21apt-get10:25:133
31534992222,0cyclictest20456-21sshd11:20:123
31534992222,0cyclictest0-21swapper/309:10:113
31530992222,0cyclictest0-21swapper/209:55:112
31530992222,0cyclictest0-21swapper/209:25:022
31530992222,0cyclictest0-21swapper/207:35:122
31530992220,1cyclictest11106-21cron12:10:022
31524992222,0cyclictest0-21swapper/010:35:140
31524992222,0cyclictest0-21swapper/007:35:110
31534992121,0cyclictest0-21swapper/311:45:133
31530992121,0cyclictest0-21swapper/211:20:112
31530992121,0cyclictest0-21swapper/208:30:122
31527992121,0cyclictest19833-21apt-get10:10:121
31527992121,0cyclictest13461-21apt-get11:05:121
31527992121,0cyclictest11142-21apt-get11:00:131
31527992121,0cyclictest0-21swapper/109:10:111
31527992119,1cyclictest0-21swapper/112:25:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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