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2024-07-16 - 08:17
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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 Tue Jul 16, 2024 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1472621270,4chrt14727-21/usr/sbin/munin21:55:190
2268221180,4chrt22681-21timerandwakeup22:15:400
284142860,4sleep028416-21latency_hist00:00:030
1859999848,19cyclictest28484-21apt-get00:00:110
1859999848,16cyclictest6866-21apt-get00:30:110
1825528416,28sleep00-21swapper/019:08:270
1859999817,16cyclictest22761-21apt-get19:20:120
1859999817,16cyclictest16266-21apt-get22:00:130
1859999808,15cyclictest6495-21apt-get23:00:100
1859999806,15cyclictest5057-21apt-get20:00:140
1859999796,20cyclictest3308-21apt-get21:25:140
1859999791,27cyclictest21317-21apt-get20:45:150
1859999788,19cyclictest8294-21apt-get23:05:130
1859999787,16cyclictest31449-21apt-get22:40:130
1859999778,17cyclictest19775-21apt-get22:09:510
1859999777,18cyclictest28134-21apt-get19:35:100
1859999777,14cyclictest1506-21apt-get21:20:120
1859999768,19cyclictest12283-21apt-get20:20:130
1859999768,18cyclictest12662-21apt-get21:50:100
1859999767,16cyclictest15862-21apt-get20:30:120
1859999767,15cyclictest24554-21apt-get19:25:140
1859999767,14cyclictest26346-21apt-get19:30:140
1859999766,16cyclictest30305-21apt-get19:40:150
1859999766,16cyclictest1101-21apt-get22:45:230
308562750,4chrt30855-21ls21:10:360
291172750,4sleep029113-21tail21:05:300
1859999757,16cyclictest24850-21apt-get23:50:140
1859999757,15cyclictest6917-21apt-get21:35:110
1859999757,14cyclictest10131-21apt-get23:10:120
1859999756,15cyclictest3283-21apt-get00:20:110
186802740,5sleep018678-21sed20:35:440
1859999747,18cyclictest23889-21apt-get22:20:140
1859999747,17cyclictest6841-21apt-get20:05:120
1859999739,15cyclictest4685-21apt-get22:55:120
1859999737,16cyclictest29583-21apt-get22:35:100
1859999733,36cyclictest1444-21apt-get19:50:120
18599997315,14cyclictest8659-21apt-get00:35:140
1859999728,18cyclictest30282-21apt-get00:05:130
1859999728,14cyclictest9083-21apt-get21:40:210
1859999727,17cyclictest5129-21apt-get21:30:120
1859999727,15cyclictest5073-21apt-get00:25:100
1859999727,14cyclictest8680-21apt-get20:10:120
18599997233,33cyclictest32099-21apt-get19:45:160
1859999717,15cyclictest32135-21apt-get21:15:140
1859999717,15cyclictest23066-21apt-get23:45:150
1859999717,15cyclictest10472-21apt-get20:15:120
1859999716,16cyclictest25996-21apt-get22:25:210
1859999716,16cyclictest11920-21apt-get23:15:120
1859999713,17cyclictest14078-21forks23:20:240
1859999708,15cyclictest26702-21apt-get21:00:120
1859999708,14cyclictest24891-21apt-get20:55:140
1859999707,15cyclictest19108-21apt-get23:35:130
1859999707,15cyclictest17311-21apt-get23:30:110
1859999707,14cyclictest15518-21apt-get23:25:120
1859999706,16cyclictest19525-21apt-get20:40:130
1859999706,15cyclictest1480-21apt-get00:15:160
18599997015,18cyclictest12530-21awk21:50:010
1859999697,15cyclictest2894-21apt-get22:50:140
1859999687,20cyclictest14073-21apt-get20:25:100
1859999686,19cyclictest27797-21apt-get22:30:140
1859999686,15cyclictest3245-21apt-get19:55:160
1859999675,13cyclictest18680-21apt-get19:10:150
1859999668,15cyclictest19984-21apt-get22:10:160
1859999663,28cyclictest32110-21/usr/sbin/munin00:10:180
1859999658,18cyclictest23106-21apt-get20:50:160
1859999658,15cyclictest20948-21apt-get19:15:130
1859999657,16cyclictest20965-21apt-get23:40:090
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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