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2024-04-19 - 14:04
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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 all highest latencies:
System rack3slot6.osadl.org (updated Fri Apr 19, 2024 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2050121180,4chrt20065-21apt-get23:05:100
31468991008,48cyclictest24143-21apt-get23:15:130
286772960,4chrt28680-21sendmail22:00:010
3146899946,76cyclictest26650-21apt-get20:25:090
303662900,4chrt30367-21aten2.4_r3power20:35:170
132472880,4sleep013246-21grep19:45:350
75692860,4chrt7572-21if_err_enp2s021:00:230
170312860,4chrt17034-21interrupts22:55:220
3146899827,63cyclictest21636-21apt-get21:40:100
3146899817,63cyclictest21503-21apt-get00:35:110
3146899816,64cyclictest10086-21apt-get00:05:140
3146899807,63cyclictest28824-21apt-get22:00:140
3146899807,62cyclictest29841-21apt-get23:30:200
3146899807,62cyclictest27745-21apt-get23:25:120
3146899806,63cyclictest11923-21apt-get00:10:110
3146899796,62cyclictest19775-21apt-get21:35:130
3146899793,69cyclictest320482sleep022:08:190
213962790,4chrt21395-21aten2.4_r3power20:10:160
3146899787,61cyclictest14804-21apt-get22:50:130
3146899786,61cyclictest4656-21apt-get23:50:130
3146899786,60cyclictest23048-21apt-get20:15:120
3146899777,60cyclictest22346-21apt-get23:10:130
3146899777,59cyclictest8951-21apt-get21:05:150
3146899776,60cyclictest24863-21apt-get20:20:130
3146899767,59cyclictest9006-21apt-get22:35:130
3146899767,58cyclictest3627-21apt-get22:20:100
3146899767,58cyclictest2868-21apt-get23:45:140
3146899767,58cyclictest23424-21apt-get21:45:110
3146899766,60cyclictest3204-21apt-get19:20:130
3146899766,59cyclictest18403-21apt-get23:00:120
3146899758,57cyclictest5343-21apt-get20:55:120
3146899757,60cyclictest1809-21apt-get22:15:100
3146899757,58cyclictest17625-21apt-get20:00:140
3146899757,57cyclictest5414-21apt-get22:25:100
3146899757,57cyclictest15829-21apt-get00:20:100
7242740,4chrt723-21ntpq22:10:280
3146899747,58cyclictest19414-21apt-get20:05:130
3146899747,56cyclictest19713-21apt-get00:30:090
3146899746,58cyclictest10794-21apt-get21:10:150
3146899746,57cyclictest10869-21apt-get22:40:140
3146899746,56cyclictest10440-21apt-get19:40:130
3146899742,34cyclictest14095-21cut00:15:170
3146899737,56cyclictest1073-21apt-get23:40:120
3146899736,56cyclictest6791-21apt-get19:30:170
3146899736,56cyclictest12583-21apt-get21:15:110
3146899726,56cyclictest25953-21apt-get23:20:120
3146899724,62cyclictest1830-21irqstats19:15:220
3146899722,11cyclictest31638-21apt-get23:35:110
3146899718,51cyclictest1769-21apt-get20:45:130
3146899707,53cyclictest32107-21apt-get20:40:120
3146899707,53cyclictest17976-21apt-get21:30:110
3146899707,52cyclictest31543-21apt-get19:10:120
3146899706,53cyclictest3552-21apt-get20:50:100
3146899706,12cyclictest8174-21date00:00:030
3146899704,13cyclictest15210-21python321:20:310
3146899703,61cyclictest7910-21ntp_states22:30:290
3146899702,16cyclictest16454-21/usr/sbin/munin19:55:240
3146899697,52cyclictest16187-21apt-get21:25:140
3146899697,52cyclictest12655-21apt-get22:45:110
3146899683,58cyclictest15724-21latency_hist19:55:000
31468996813,48cyclictest405-21dbus-daemon19:29:590
3088326817,18sleep00-21swapper/019:06:310
3146899678,47cyclictest25214-21apt-get21:50:100
3146899677,51cyclictest17930-21apt-get00:25:140
31468996727,34cyclictest29135-21ntp_states20:30:270
3146899648,47cyclictest8293-21apt-get00:00:120
3146899646,48cyclictest8575-21apt-get19:35:100
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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