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2024-09-01 - 00:49
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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 Aug 31, 2024 12:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22270993230,1cyclictest17772-21sshd08:05:190
22277993028,1cyclictest609-21dbus-daemon07:45:013
2227299300,29cyclictest14159-21munin-run09:09:591
22270993027,2cyclictest16465-21cron12:40:000
22277992926,2cyclictest11527-21cron07:55:013
2227799290,28cyclictest0-21swapper/312:05:113
2227799290,28cyclictest0-21swapper/311:50:133
2227799290,28cyclictest0-21swapper/311:10:123
2227799290,28cyclictest0-21swapper/309:30:093
2227799290,1cyclictest7135-21cron08:55:003
2227799290,1cyclictest14148-21awk12:35:003
22276992927,1cyclictest19073-21cron09:19:592
2227699290,28cyclictest30198-21apt-get12:00:132
2227699290,28cyclictest2482-21apt-get12:10:122
22272992928,1cyclictest5380-21cron10:00:001
22272992927,1cyclictest22606-21cron11:45:011
2227299290,28cyclictest5093-21apt-get08:50:111
2227299290,28cyclictest14169-21apt-get08:00:141
2227299290,28cyclictest0-21swapper/109:05:011
22270992927,1cyclictest2664-21grep07:35:130
2227099290,28cyclictest0-21swapper/010:25:100
2227099290,28cyclictest0-21swapper/008:55:110
22277992828,0cyclictest0-21swapper/311:35:113
22277992828,0cyclictest0-21swapper/309:20:123
22277992826,1cyclictest15334-21munin-run11:30:023
22277992826,1cyclictest0-21swapper/312:15:023
22277992825,2cyclictest14124-21cron09:10:003
2227799280,28cyclictest331rcuc/309:00:003
2227799280,28cyclictest0-21swapper/310:55:133
2227799280,28cyclictest0-21swapper/309:15:133
2227699280,27cyclictest0-21swapper/210:20:122
22272992828,0cyclictest0-21swapper/110:00:121
22272992827,1cyclictest9207-21apt-get12:25:021
22272992827,1cyclictest32571-21apt-get12:05:101
2227299280,0cyclictest0-21swapper/107:45:141
22270992828,0cyclictest0-21swapper/007:55:120
22270992826,1cyclictest609-21dbus-daemon10:45:000
2227099280,28cyclictest0-21swapper/008:40:120
2227099280,0cyclictest0-21swapper/011:05:100
22277992727,0cyclictest0-21swapper/311:45:103
2227799270,27cyclictest0-21swapper/308:35:123
22276992727,0cyclictest16473-21apt-get09:14:592
22276992727,0cyclictest12643-21apt-get10:15:122
22276992727,0cyclictest0-21swapper/209:05:132
22276992727,0cyclictest0-21swapper/208:00:122
22276992726,1cyclictest990-21apt-get09:50:122
22276992726,1cyclictest24047-21perf10:40:002
2227699270,0cyclictest3698-21perf11:05:012
2227699270,0cyclictest0-21swapper/212:30:122
22272992727,0cyclictest2091-21apt-get07:35:121
22272992727,0cyclictest0-21swapper/112:15:141
22272992727,0cyclictest0-21swapper/111:35:121
22272992727,0cyclictest0-21swapper/110:30:121
22272992727,0cyclictest0-21swapper/110:15:121
22272992727,0cyclictest0-21swapper/109:40:131
22272992727,0cyclictest0-21swapper/107:25:121
22272992726,1cyclictest9498-21apt-get07:50:111
2227299270,27cyclictest0-21swapper/110:40:111
2227299270,0cyclictest0-21swapper/111:05:111
22270992727,0cyclictest0-21swapper/009:20:120
22270992727,0cyclictest0-21swapper/008:10:140
22270992727,0cyclictest0-21swapper/007:30:120
22270992726,1cyclictest0-21swapper/008:35:130
2227099270,0cyclictest21963-21apt-get10:35:120
2227099270,0cyclictest0-21swapper/009:15:130
2227099270,0cyclictest0-21swapper/008:20:120
22277992626,0cyclictest0-21swapper/310:05:103
22277992626,0cyclictest0-21swapper/308:45:103
22276992626,0cyclictest10953-21apt-get11:20:172
22276992626,0cyclictest0-21swapper/209:40:132
22276992626,0cyclictest0-21swapper/207:45:152
22272992626,0cyclictest4543-21apt-get07:40:111
22272992626,0cyclictest0-21swapper/112:30:121
22272992626,0cyclictest0-21swapper/111:20:171
22272992626,0cyclictest0-21swapper/110:10:131
22272992626,0cyclictest0-21swapper/107:55:121
22272992626,0cyclictest0-21swapper/107:30:121
22270992626,0cyclictest0-21swapper/009:30:100
22270992625,1cyclictest2767-21apt-get08:45:110
22270992619,2cyclictest16996-21wc11:30:190
22277992525,0cyclictest0-21swapper/310:10:123
22277992525,0cyclictest0-21swapper/308:10:133
22277992524,1cyclictest0-21swapper/310:35:013
22276992525,0cyclictest0-21swapper/210:55:142
22276992525,0cyclictest0-21swapper/210:40:112
22276992523,1cyclictest609-21dbus-daemon09:00:012
22272992525,0cyclictest0-21swapper/111:25:111
22272992525,0cyclictest0-21swapper/108:25:101
22270992524,1cyclictest13-21ksoftirqd/009:40:000
2227799246,18cyclictest0-21swapper/308:27:243
22276992424,0cyclictest31879-21apt-get07:30:122
22276992424,0cyclictest27179-21apt-get07:20:112
22276992424,0cyclictest0-21swapper/211:45:112
22276992424,0cyclictest0-21swapper/209:30:012
22272992424,0cyclictest0-21swapper/112:00:121
22272992424,0cyclictest0-21swapper/111:50:131
22272992424,0cyclictest0-21swapper/108:40:131
22272992424,0cyclictest0-21swapper/108:30:111
22270992424,0cyclictest0-21swapper/011:00:120
22270992424,0cyclictest0-21swapper/010:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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