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2024-12-09 - 17:18
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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
Characteristics of the 50 highest latencies:
System rackdslot0.osadl.org (updated Mon Dec 09, 2024 12:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1488999240,3cyclictest7807-21expr09:50:181
1488899242,3cyclictest0-21swapper/011:45:210
14888992415,3cyclictest0-21swapper/012:35:560
1488999232,20cyclictest967-21thermald07:25:211
1488999230,22cyclictest29904-21gpgv12:30:001
1488999230,22cyclictest28612-21date12:25:011
1488999230,22cyclictest19251-21cut07:15:191
1488999230,22cyclictest19251-21cut07:15:191
1488999230,22cyclictest17117-21cut12:05:011
1488899230,18cyclictest0-21swapper/007:35:150
1488899230,17cyclictest23520-21id07:25:020
1488999222,19cyclictest0-21swapper/110:50:251
14889992216,5cyclictest87532sleep111:50:131
14889992214,7cyclictest24221-21gpgv09:20:011
1488999220,3cyclictest18671-21expr10:10:141
1488999220,2cyclictest29541-21dpkg12:30:011
1488999220,2cyclictest26489-21awk07:30:121
1488999220,21cyclictest823-21systemd-network09:06:121
1488999220,21cyclictest30424-21grep10:30:161
1488999220,21cyclictest23437-21cat08:20:151
1488999220,21cyclictest21145-21grep08:15:191
1488999220,21cyclictest20672-21expr12:10:131
1488999220,21cyclictest1669-21cpuspeed_turbos09:40:141
1488999220,21cyclictest0-21swapper/108:27:221
1488999220,1cyclictest0-21swapper/109:45:351
1488999220,1cyclictest0-21swapper/108:35:131
1488999220,1cyclictest0-21swapper/108:10:231
1488999220,16cyclictest11229-21tr10:55:141
1488899220,21cyclictest823-21systemd-network12:03:060
1488899220,16cyclictest29353-21dpkg12:30:010
1488999212,18cyclictest21-21ksoftirqd/111:43:551
14889992114,6cyclictest28606-21apt-config11:30:001
1488999210,6cyclictest27226-21fschecks_time10:25:151
1488999210,6cyclictest0-21swapper/109:10:171
1488999210,2cyclictest7172-21systemctl07:50:221
1488999210,2cyclictest23058-21run-parts07:25:001
1488999210,2cyclictest1580-21sed07:40:221
1488999210,2cyclictest1450-21latency12:35:161
1488999210,20cyclictest5224-21sort07:50:011
1488999210,20cyclictest3441-21gsd-color09:20:141
1488999210,20cyclictest19934-21expr11:10:161
1488999210,20cyclictest11157-21awk08:55:191
1488999210,20cyclictest0-21swapper/112:07:061
1488999210,20cyclictest0-21swapper/108:45:191
1488999210,1cyclictest229802chrt12:15:101
1488999210,1cyclictest0-21swapper/111:55:211
1488999210,1cyclictest0-21swapper/111:15:151
1488999210,1cyclictest0-21swapper/110:40:201
1488999210,1cyclictest0-21swapper/110:15:201
1488999210,1cyclictest0-21swapper/109:30:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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