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2024-10-12 - 18:50
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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 Oct 12, 2024 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244899301,1cyclictest17276-21cron08:50:002
244899300,29cyclictest22175-21sh10:10:002
244899300,29cyclictest17557-21munin-run10:00:002
2446993028,1cyclictest9046-21cron10:50:000
244699300,29cyclictest1-21systemd12:00:010
2448992927,1cyclictest30793-21munin-run08:10:012
244899290,28cyclictest3352-21munin-run08:20:022
244799290,28cyclictest3615-21apt-get08:20:111
244699290,28cyclictest8506-21apt-get09:40:110
244699290,28cyclictest0-21swapper/008:55:110
2449992827,1cyclictest13994-21apt-get11:00:123
2449992826,1cyclictest0-21swapper/310:45:013
244999280,0cyclictest12273-21apt-get07:30:133
244999280,0cyclictest0-21swapper/308:05:143
2448992828,0cyclictest0-21swapper/207:40:132
2448992827,1cyclictest7965-21cron08:30:002
2448992826,1cyclictest9667-21munin-run12:00:002
244899280,28cyclictest0-21swapper/209:50:132
244899280,0cyclictest24558-21apt-get09:05:112
2447992827,1cyclictest26353-21apt-get08:00:121
244799280,28cyclictest0-21swapper/112:20:131
244799280,28cyclictest0-21swapper/108:40:131
244799280,28cyclictest0-21swapper/107:50:131
244799280,27cyclictest0-21swapper/111:00:111
244799280,27cyclictest0-21swapper/109:05:121
244799280,0cyclictest11656-21apt-get10:55:131
244799280,0cyclictest0-21swapper/110:40:131
2446992828,0cyclictest0-21swapper/009:30:120
2446992828,0cyclictest0-21swapper/009:25:110
2446992828,0cyclictest0-21swapper/008:00:110
244699280,0cyclictest0-21swapper/007:30:120
2449992727,0cyclictest0-21swapper/312:30:123
2449992727,0cyclictest0-21swapper/310:45:133
244999270,27cyclictest0-21swapper/312:25:133
244999270,0cyclictest0-21swapper/311:20:123
2448992727,0cyclictest18669-21perf11:10:002
2448992727,0cyclictest0-21swapper/212:10:112
2448992727,0cyclictest0-21swapper/211:45:122
2448992727,0cyclictest0-21swapper/211:15:112
2448992727,0cyclictest0-21swapper/211:00:012
2448992727,0cyclictest0-21swapper/210:50:132
2448992727,0cyclictest0-21swapper/210:40:132
2448992727,0cyclictest0-21swapper/209:15:122
2447992727,0cyclictest0-21swapper/111:40:121
2447992727,0cyclictest0-21swapper/109:55:121
2447992727,0cyclictest0-21swapper/108:05:141
244799270,0cyclictest0-21swapper/109:40:121
2446992727,0cyclictest23886-21apt-get12:30:120
2446992727,0cyclictest20136-21apt-get10:05:110
2446992727,0cyclictest0-21swapper/012:25:120
2446992727,0cyclictest0-21swapper/010:55:140
2446992727,0cyclictest0-21swapper/010:00:120
2446992727,0cyclictest0-21swapper/008:05:120
244699270,27cyclictest0-21swapper/011:00:110
244699270,0cyclictest0-21swapper/011:50:140
2449992626,0cyclictest0-21swapper/310:55:143
2449992626,0cyclictest0-21swapper/309:00:123
2449992626,0cyclictest0-21swapper/307:10:113
2449992625,1cyclictest19242-21apt-get12:20:123
2449992624,1cyclictest24818-21apt-get10:15:003
2448992626,0cyclictest0-21swapper/211:30:132
2448992626,0cyclictest0-21swapper/209:00:112
2448992626,0cyclictest0-21swapper/207:45:112
2447992626,0cyclictest0-21swapper/110:10:001
2447992626,0cyclictest0-21swapper/107:25:131
2447992624,1cyclictest0-21swapper/108:15:111
2446992626,0cyclictest22238-21apt-get09:00:120
2449992525,0cyclictest21687-21apt-get07:50:123
2449992525,0cyclictest0-21swapper/309:40:123
2449992525,0cyclictest0-21swapper/308:20:123
2449992523,1cyclictest567-21apt-get11:40:123
2448992525,0cyclictest0-21swapper/209:40:122
2447992525,0cyclictest0-21swapper/110:15:121
2447992523,1cyclictest303-21systemd-journal11:55:001
2446992525,0cyclictest0-21swapper/007:55:130
2449992424,0cyclictest0-21swapper/309:05:113
2449992424,0cyclictest0-21swapper/308:40:133
2449992424,0cyclictest0-21swapper/308:00:113
2448992424,0cyclictest0-21swapper/207:50:122
2448992424,0cyclictest0-21swapper/207:25:142
2447992424,0cyclictest0-21swapper/107:40:011
2446992424,0cyclictest0-21swapper/009:05:120
2449992323,0cyclictest0-21swapper/309:55:133
2449992322,1cyclictest25381-21apt-get10:15:113
2448992323,0cyclictest4715-21apt-get07:15:022
2447992323,0cyclictest0-21swapper/109:05:001
2447992321,1cyclictest609-21dbus-daemon08:00:011
2446992323,0cyclictest0-21swapper/011:20:130
2446992323,0cyclictest0-21swapper/011:05:120
2449992222,0cyclictest0-21swapper/310:10:013
2449992222,0cyclictest0-21swapper/307:25:143
2449992221,0cyclictest1253-21apt-get08:15:123
2448992222,0cyclictest0-21swapper/208:20:112
2447992222,0cyclictest27783-21apt-get10:20:131
2447992222,0cyclictest0-21swapper/112:10:121
2447992222,0cyclictest0-21swapper/109:30:131
2447992220,2cyclictest609-21dbus-daemon07:50:021
2447992220,1cyclictest18651-21sh11:10:001
2447992220,1cyclictest0-21swapper/109:30:011
2446992222,0cyclictest0-21swapper/012:20:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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