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2025-03-20 - 03:18
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack5slot3.osadl.org (updated Thu Mar 20, 2025 00:50:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2986229461,29sleep70-21swapper/719:08:447
2845929287,2sleep20-21swapper/219:05:192
2992428349,30sleep40-21swapper/419:09:394
2964728247,30sleep00-21swapper/019:05:420
2985228148,29sleep60-21swapper/619:08:366
2975728146,30sleep50-21swapper/519:07:155
2989627947,28sleep30-21swapper/319:09:123
2986527843,30sleep10-21swapper/119:08:471
114672490,0sleep50-21swapper/522:01:045
4902470,0sleep50-21swapper/523:18:225
300442430,0sleep030050-21cpuspeed_turbos21:55:150
30386992217,5cyclictest1560-21runrttasks23:59:317
30381992220,1cyclictest0-21swapper/200:00:222
30381992218,3cyclictest0-21swapper/200:20:002
30384992121,0cyclictest0-21swapper/519:55:155
30381992114,7cyclictest22949-21kworker/2:200:39:112
30386992016,4cyclictest19802-21nscd23:40:127
30385992019,1cyclictest734-21gmain22:17:126
30383992015,3cyclictest734-21gmain22:30:524
30382992014,6cyclictest0-21swapper/321:26:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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