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2025-09-17 - 16:05
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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 Wed Sep 17, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1489199301,29cyclictest28-21ksoftirqd/210:30:152
1489299290,1cyclictest7633-21munin-run11:30:013
1489299290,1cyclictest28332-21cron11:05:013
14891992928,1cyclictest0-21swapper/209:30:142
14891992927,2cyclictest0-21swapper/212:00:142
1489199290,28cyclictest0-21swapper/209:35:112
1489199290,1cyclictest7604-21cron11:30:002
1489099290,28cyclictest0-21swapper/112:35:151
1489099290,28cyclictest0-21swapper/109:30:141
1489099290,28cyclictest0-21swapper/108:35:131
1488999290,1cyclictest609-21dbus-daemon07:50:010
1488999290,1cyclictest0-21swapper/011:15:000
14892992828,0cyclictest0-21swapper/307:20:133
14892992827,1cyclictest11441-21apt-get09:20:153
14892992826,1cyclictest19557-21munin-run07:20:003
14891992828,0cyclictest0-21swapper/207:10:142
14891992825,2cyclictest303-21systemd-journal08:35:002
1489199280,27cyclictest0-21swapper/210:35:152
1489199280,0cyclictest0-21swapper/211:35:142
1489199280,0cyclictest0-21swapper/207:25:142
1489099280,28cyclictest28333-21cron11:05:011
14889992828,0cyclictest3802-21apt-get12:30:130
14892992727,0cyclictest6765-21apt-get09:10:123
14892992727,0cyclictest0-21swapper/310:50:123
14892992726,1cyclictest0-21swapper/312:10:133
14891992726,1cyclictest0-21swapper/210:00:132
14891992725,1cyclictest0-21swapper/209:05:152
1489199270,0cyclictest0-21swapper/210:50:122
14890992725,1cyclictest0-21swapper/107:20:001
1489099270,27cyclictest0-21swapper/112:00:011
1489099270,27cyclictest0-21swapper/110:15:021
1489099270,0cyclictest6765-21apt-get09:10:121
1489099270,0cyclictest31569-21apt-get12:20:131
1489099270,0cyclictest0-21swapper/110:00:131
14889992727,0cyclictest0-21swapper/011:50:150
1488999270,27cyclictest26528-21perf07:35:020
1488999270,0cyclictest0-21swapper/009:50:120
14892992626,0cyclictest0-21swapper/311:05:143
14892992626,0cyclictest0-21swapper/310:35:143
14892992626,0cyclictest0-21swapper/307:10:133
14892992623,2cyclictest0-21swapper/309:30:133
14891992626,0cyclictest0-21swapper/209:00:012
14891992624,1cyclictest9925-21cron11:35:002
14891992624,1cyclictest13178-21apt-get08:15:142
14891992623,1cyclictest303-21systemd-journal09:50:012
14890992626,0cyclictest22145-21apt-get07:25:141
14890992626,0cyclictest0-21swapper/112:10:121
14890992626,0cyclictest0-21swapper/111:45:131
14890992624,1cyclictest609-21dbus-daemon11:30:001
14889992626,0cyclictest0-21swapper/012:15:120
14889992626,0cyclictest0-21swapper/009:15:120
14889992626,0cyclictest0-21swapper/008:15:140
14892992525,0cyclictest10227-21apt-get11:35:143
14892992525,0cyclictest0-21swapper/310:30:143
14892992525,0cyclictest0-21swapper/308:35:133
14892992524,1cyclictest18416-21apt-get09:35:103
14891992525,0cyclictest0-21swapper/208:10:142
14890992525,0cyclictest19819-21apt-get07:20:121
14890992525,0cyclictest0-21swapper/111:05:141
14890992525,0cyclictest0-21swapper/110:50:111
14890992525,0cyclictest0-21swapper/109:20:161
14889992525,0cyclictest8530-21apt-get08:05:130
14889992525,0cyclictest0-21swapper/012:05:140
14889992525,0cyclictest0-21swapper/010:25:130
14889992525,0cyclictest0-21swapper/009:20:150
14889992523,1cyclictest626-21gdbus11:20:000
14892992424,0cyclictest0-21swapper/307:25:153
14891992424,0cyclictest0-21swapper/212:20:132
14891992424,0cyclictest0-21swapper/208:40:162
14891992423,1cyclictest19290-21perf11:55:012
14891992423,1cyclictest0-21swapper/209:20:152
14890992424,0cyclictest0-21swapper/110:35:141
14890992424,0cyclictest0-21swapper/107:10:141
14889992424,0cyclictest0-21swapper/010:55:150
14889992424,0cyclictest0-21swapper/010:15:030
14889992423,1cyclictest15536-21apt-get08:20:150
1489299238,12cyclictest9099-21munin-node08:01:293
14892992323,0cyclictest0-21swapper/311:55:133
14892992323,0cyclictest0-21swapper/309:55:123
14892992323,0cyclictest0-21swapper/308:45:113
14891992323,0cyclictest0-21swapper/207:40:122
14891992321,1cyclictest5313-21munin-run11:25:012
14890992323,0cyclictest0-21swapper/111:35:141
14890992323,0cyclictest0-21swapper/110:30:141
14889992323,0cyclictest12297-21apt-get10:30:140
14889992323,0cyclictest0-21swapper/011:30:140
14892992222,0cyclictest0-21swapper/312:00:133
14892992221,0cyclictest0-21swapper/310:00:143
14892992220,1cyclictest609-21dbus-daemon08:35:003
14891992222,0cyclictest0-21swapper/211:55:132
14891992222,0cyclictest0-21swapper/211:40:142
14890992222,0cyclictest0-21swapper/109:35:101
14890992221,1cyclictest28037-21apt-get09:55:111
14890992221,0cyclictest19549-21apt-get11:55:131
14889992222,0cyclictest26844-21apt-get12:10:120
14889992220,1cyclictest26889-21awk08:45:000
14889992220,1cyclictest21887-21perf07:25:000
14892992121,0cyclictest0-21swapper/309:00:023
14892992120,1cyclictest0-21swapper/309:05:163
14892992120,1cyclictest0-21swapper/308:10:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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