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2025-11-08 - 04:11
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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 Sat Nov 08, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2266399300,29cyclictest609-21dbus-daemon00:00:013
2266399300,29cyclictest609-21dbus-daemon00:00:013
2265799301,1cyclictest625-21cron20:40:001
2266399290,28cyclictest0-21swapper/323:25:133
2266399290,28cyclictest0-21swapper/322:20:133
2266399290,28cyclictest0-21swapper/321:55:143
2266399290,1cyclictest0-21swapper/322:15:003
22658992927,1cyclictest3036-21munin-run20:45:012
2265899290,28cyclictest7384-21apt-get19:45:122
2265899290,28cyclictest5363-21munin-run20:50:012
2265899290,28cyclictest25210-21apt-get19:15:132
2265899290,1cyclictest6196-21apt-get22:00:122
2265899290,1cyclictest21448-21perf20:15:012
22657992927,1cyclictest0-21swapper/120:34:591
2265799290,28cyclictest0-21swapper/120:40:111
2265399290,1cyclictest609-21dbus-daemon19:35:010
2265399290,1cyclictest5615-21apt-get20:50:110
2266399280,27cyclictest0-21swapper/322:35:103
2266399280,0cyclictest0-21swapper/319:55:033
22658992828,0cyclictest22889-21apt-get19:10:142
2265899280,28cyclictest0-21swapper/223:55:142
2265899280,28cyclictest0-21swapper/223:55:142
2265899280,0cyclictest20797-21apt-get23:40:112
2265899280,0cyclictest0-21swapper/223:25:142
2265899280,0cyclictest0-21swapper/221:45:092
22657992828,0cyclictest0-21swapper/123:50:131
2265799280,0cyclictest18449-21apt-get23:35:111
2265799280,0cyclictest0-21swapper/122:00:131
22653992828,0cyclictest27227-21apt-get22:45:170
2265399280,0cyclictest0-21swapper/021:50:130
2265399280,0cyclictest0-21swapper/020:20:120
22663992727,0cyclictest31617-21perf22:55:003
22663992727,0cyclictest0-21swapper/300:20:133
22663992727,0cyclictest0-21swapper/300:00:123
22663992723,3cyclictest26665-21cron21:35:003
2266399270,0cyclictest0-21swapper/319:45:133
22658992727,0cyclictest0-21swapper/223:00:112
22658992727,0cyclictest0-21swapper/222:40:132
22658992727,0cyclictest0-21swapper/219:50:132
22658992727,0cyclictest0-21swapper/219:30:122
2265899270,27cyclictest0-21swapper/221:30:132
2265899270,0cyclictest0-21swapper/223:10:132
22657992727,0cyclictest0-21swapper/122:35:091
22657992727,0cyclictest0-21swapper/122:30:141
22657992727,0cyclictest0-21swapper/122:05:141
22657992727,0cyclictest0-21swapper/121:55:141
22657992727,0cyclictest0-21swapper/121:35:141
22657992727,0cyclictest0-21swapper/121:05:091
22657992727,0cyclictest0-21swapper/119:25:121
22657992727,0cyclictest0-21swapper/100:20:131
2265799270,0cyclictest0-21swapper/123:30:021
22653992727,0cyclictest0-21swapper/022:20:120
22653992727,0cyclictest0-21swapper/019:20:140
22653992725,1cyclictest29000-21sendmail-msp21:40:000
2265399270,27cyclictest0-21swapper/000:05:110
2265399270,27cyclictest0-21swapper/000:05:020
2265399270,0cyclictest0-21swapper/021:30:110
22663992626,0cyclictest3291-21apt-get20:45:133
22663992626,0cyclictest11120-21apt-get23:20:133
22663992626,0cyclictest0-21swapper/321:50:133
22663992625,1cyclictest21711-21apt-get20:15:133
22658992626,0cyclictest0-21swapper/223:45:102
22658992626,0cyclictest0-21swapper/223:15:142
22658992626,0cyclictest0-21swapper/222:25:132
22658992626,0cyclictest0-21swapper/221:15:122
22657992626,0cyclictest12162-21apt-get00:30:131
22657992626,0cyclictest0-21swapper/100:09:421
22657992625,1cyclictest0-21swapper/122:30:001
22653992626,0cyclictest0-21swapper/019:55:130
22653992624,1cyclictest21732-21munin-run21:25:010
22663992525,0cyclictest0-21swapper/300:40:023
22658992525,0cyclictest0-21swapper/222:35:092
22658992525,0cyclictest0-21swapper/221:00:112
22658992525,0cyclictest0-21swapper/200:15:142
22658992523,1cyclictest0-21swapper/219:45:012
22657992525,0cyclictest1511-21perf23:00:011
22657992525,0cyclictest0-21swapper/123:40:111
22653992523,1cyclictest12867-21cron22:15:000
22663992424,0cyclictest13164-21apt-get22:15:113
22663992424,0cyclictest0-21swapper/321:35:153
22663992424,0cyclictest0-21swapper/321:20:123
22663992424,0cyclictest0-21swapper/319:35:013
22657992424,0cyclictest30214-21apt-get00:00:131
22657992424,0cyclictest27781-21apt-get23:55:151
22657992424,0cyclictest27781-21apt-get23:55:151
22653992424,0cyclictest0-21swapper/022:15:110
22653992424,0cyclictest0-21swapper/021:25:110
22653992424,0cyclictest0-21swapper/019:40:150
22653992423,1cyclictest22874-21perf23:45:010
22663992323,0cyclictest0-21swapper/322:30:153
22663992323,0cyclictest0-21swapper/320:55:113
22658992323,0cyclictest25454-21apt-get23:50:132
22658992323,0cyclictest0-21swapper/222:45:162
22658992323,0cyclictest0-21swapper/221:10:142
22658992323,0cyclictest0-21swapper/200:10:142
22657992323,0cyclictest4125-21apt-get23:05:141
22653992323,0cyclictest0-21swapper/019:10:140
22663992222,0cyclictest0-21swapper/320:40:133
22663992222,0cyclictest0-21swapper/320:25:113
22663992222,0cyclictest0-21swapper/300:30:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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