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2025-12-02 - 18:59
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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 Tue Dec 02, 2025 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13849993028,2cyclictest23502-21cron12:05:021
1384799300,29cyclictest18436-21cron07:20:000
1385899290,28cyclictest23526-21apt-get10:55:143
1385899290,1cyclictest0-21swapper/309:20:003
1385299290,28cyclictest26427-21apt-get12:10:142
1385299290,28cyclictest0-21swapper/209:30:122
1384999290,1cyclictest16508-21cron11:50:001
1384999290,1cyclictest16508-21cron11:50:001
13847992927,1cyclictest609-21dbus-daemon10:25:010
13847992927,1cyclictest0-21swapper/010:10:000
1384799290,28cyclictest32019-21perf10:05:000
1384799290,28cyclictest0-21swapper/011:00:130
13858992828,0cyclictest0-21swapper/310:25:143
13858992827,1cyclictest28173-21apt-get07:40:123
13852992828,0cyclictest0-21swapper/210:55:142
1385299280,28cyclictest0-21swapper/211:45:132
1385299280,28cyclictest0-21swapper/211:45:132
1385299280,28cyclictest0-21swapper/209:50:122
13849992828,0cyclictest0-21swapper/108:20:121
13849992827,0cyclictest0-21swapper/110:20:001
1384999280,27cyclictest0-21swapper/111:30:131
1384999280,0cyclictest25290-21apt-get09:50:131
1384999280,0cyclictest0-21swapper/112:25:141
13847992828,0cyclictest0-21swapper/010:40:130
1384799280,27cyclictest995-21apt-get12:25:140
13858992727,0cyclictest13636-21apt-get09:25:133
13858992727,0cyclictest0-21swapper/312:05:153
13858992727,0cyclictest0-21swapper/311:50:143
13858992727,0cyclictest0-21swapper/309:55:113
13858992727,0cyclictest0-21swapper/309:45:003
13858992727,0cyclictest0-21swapper/308:35:133
13852992727,0cyclictest12095-21apt-get08:15:102
13852992727,0cyclictest0-21swapper/209:35:122
1385299270,27cyclictest32566-21perf11:15:002
1385299270,0cyclictest0-21swapper/210:35:132
1385299270,0cyclictest0-21swapper/210:35:002
13849992727,0cyclictest351-21apt-get07:50:101
13849992727,0cyclictest0-21swapper/112:05:151
13849992727,0cyclictest0-21swapper/111:00:131
13849992727,0cyclictest0-21swapper/109:40:121
13847992727,0cyclictest0-21swapper/011:25:110
13847992727,0cyclictest0-21swapper/009:10:140
13847992727,0cyclictest0-21swapper/008:40:010
13858992625,1cyclictest11313-21apt-get09:20:123
13858992624,1cyclictest0-21swapper/310:25:013
13852992626,0cyclictest9190-21apt-get10:25:132
13852992626,0cyclictest0-21swapper/211:00:142
13852992625,1cyclictest609-21dbus-daemon12:20:002
13849992626,0cyclictest0-21swapper/111:50:141
13849992626,0cyclictest0-21swapper/109:00:131
13847992626,0cyclictest0-21swapper/008:55:150
13847992623,2cyclictest303-21systemd-journal07:55:010
13858992525,0cyclictest21201-21apt-get10:50:123
13852992525,0cyclictest31358-21apt-get08:55:152
13852992525,0cyclictest29031-21apt-get08:50:132
13852992525,0cyclictest0-21swapper/208:30:022
13852992523,1cyclictest3059-21munin-run12:30:012
13852992523,1cyclictest0-21swapper/211:25:002
13849992525,0cyclictest0-21swapper/110:50:131
13847992525,0cyclictest0-21swapper/009:55:120
13858992424,0cyclictest0-21swapper/309:35:143
13852992424,0cyclictest9722-21apt-get08:10:132
13852992424,0cyclictest0-21swapper/212:20:142
13852992424,0cyclictest0-21swapper/210:20:132
13849992424,0cyclictest11313-21apt-get09:20:121
13847992424,0cyclictest0-21swapper/009:15:130
13847992424,0cyclictest0-21swapper/007:45:010
13858992323,0cyclictest0-21swapper/308:20:003
13858992322,1cyclictest19130-21apt-get11:55:133
13858992322,1cyclictest0-21swapper/307:50:103
13852992323,0cyclictest0-21swapper/210:10:132
13852992323,0cyclictest0-21swapper/207:50:112
13849992323,0cyclictest0-21swapper/108:35:131
13849992322,1cyclictest8571-21apt-helper09:15:011
13849992322,1cyclictest25611-21basename11:00:011
13858992222,0cyclictest0-21swapper/312:30:123
13858992222,0cyclictest0-21swapper/311:30:123
13858992221,1cyclictest7401-21apt-get08:05:163
13852992222,0cyclictest5091-21apt-get11:25:122
13852992222,0cyclictest14455-21apt-get08:20:112
13852992222,0cyclictest0-21swapper/210:40:122
13849992220,1cyclictest16231-21cron10:40:011
13849992220,1cyclictest0-21swapper/111:20:001
13847992222,0cyclictest20645-21apt-get09:40:130
13858992121,0cyclictest14205-21apt-get10:35:133
13858992121,0cyclictest0-21swapper/311:25:113
13852992121,0cyclictest27614-21apt-get09:55:122
13852992121,0cyclictest0-21swapper/207:40:132
13849992121,0cyclictest0-21swapper/112:30:131
13849992121,0cyclictest0-21swapper/109:25:121
13849992121,0cyclictest0-21swapper/108:00:111
13847992121,0cyclictest0-21swapper/012:40:010
13847992121,0cyclictest0-21swapper/009:50:130
13847992119,1cyclictest13375-21perf09:25:000
13847992119,1cyclictest0-21swapper/011:55:020
1385899202,18cyclictest0-21swapper/311:20:473
13858992020,0cyclictest16549-21apt-get10:40:123
13858992019,1cyclictest14479-21apt-get11:45:133
13858992019,1cyclictest14479-21apt-get11:45:133
13849992020,0cyclictest0-21swapper/110:40:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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