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2024-12-10 - 19:14
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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 50 highest latencies:
System rackeslot5.osadl.org (updated Tue Dec 10, 2024 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1435799300,29cyclictest13649-21apt-get10:45:133
1435799300,29cyclictest0-21swapper/309:19:593
14356993027,2cyclictest27628-21cron11:15:012
14355993028,1cyclictest609-21dbus-daemon12:35:011
14355993028,1cyclictest0-21swapper/107:20:201
1435599300,29cyclictest14490-21apt-get11:55:151
14352993028,1cyclictest303-21systemd-journal12:10:000
1435299300,29cyclictest4230-21cron09:10:010
1435299300,29cyclictest21330-21perf07:25:010
14357992927,1cyclictest17651-21munin-run08:30:003
1435799290,28cyclictest11327-21apt-get10:40:133
1435799290,28cyclictest0-21swapper/311:30:123
1435799290,1cyclictest32292-21apt-get09:00:113
1435799290,1cyclictest18613-21apt-get10:55:143
14356992928,1cyclictest15699-21apt-get10:50:022
14356992927,1cyclictest0-21swapper/207:35:022
1435699290,28cyclictest9192-21apt-get09:20:112
1435699290,28cyclictest19268-21apt-get07:20:142
14355992927,1cyclictest0-21swapper/108:15:011
1435599290,28cyclictest0-21swapper/111:40:181
1435599290,28cyclictest0-21swapper/110:45:131
1435299290,1cyclictest20676-21perf11:00:010
14357992828,0cyclictest0-21swapper/311:25:133
14356992828,0cyclictest0-21swapper/208:40:122
14356992827,1cyclictest27576-21apt-get08:50:132
14356992826,1cyclictest15334-21munin-run08:25:002
1435699280,27cyclictest15590-21apt-get08:25:102
1435699280,0cyclictest22728-21apt-get09:55:122
1435699280,0cyclictest0-21swapper/210:30:172
1435599280,1cyclictest1943-21munin-run09:05:001
14352992826,2cyclictest615-21rs:main0
1435299280,28cyclictest16565-21perf12:00:000
1435299280,0cyclictest958-21apt-get07:50:170
1435299280,0cyclictest0-21swapper/008:45:120
1435799270,27cyclictest0-21swapper/311:50:123
1435799270,0cyclictest0-21swapper/308:50:133
14356992727,0cyclictest0-21swapper/209:35:022
14356992727,0cyclictest0-21swapper/208:30:162
14356992727,0cyclictest0-21swapper/208:15:152
14355992727,0cyclictest29764-21apt-get10:10:121
14355992727,0cyclictest0-21swapper/111:20:151
14355992727,0cyclictest0-21swapper/108:00:091
1435599270,0cyclictest0-21swapper/112:20:141
1435599270,0cyclictest0-21swapper/110:30:161
1435599270,0cyclictest0-21swapper/107:30:121
14352992727,0cyclictest0-21swapper/010:40:130
14352992727,0cyclictest0-21swapper/008:50:020
1435299270,0cyclictest29951-21apt-get08:55:120
14357992626,0cyclictest0-21swapper/310:30:173
14357992626,0cyclictest0-21swapper/309:55:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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