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2025-09-10 - 08:20
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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 Wed Sep 10, 2025 00:50:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133228552,29sleep60-21swapper/619:07:156
150028349,29sleep70-21swapper/719:09:417
3135028047,28sleep50-21swapper/519:05:145
128328045,30sleep40-21swapper/419:06:334
3134827845,29sleep30-21swapper/319:05:123
126127844,30sleep10-21swapper/119:06:141
143627744,29sleep00-21swapper/019:08:460
138427743,30sleep20-21swapper/219:07:592
321182520,0sleep00-21swapper/023:56:040
214332500,0sleep60-21swapper/622:17:146
39962490,0sleep40-21swapper/400:30:114
317732480,0sleep00-21swapper/023:25:150
276822460,0sleep00-21swapper/023:07:040
246802460,0sleep40-21swapper/421:31:404
121402450,0sleep50-21swapper/523:46:325
241492440,0sleep40-21swapper/422:03:034
19902400,0sleep10-21swapper/123:57:331
1966993131,0cyclictest0-21swapper/023:44:390
1968992727,0cyclictest0-21swapper/222:53:382
1973992422,2cyclictest630-21avahi-daemon22:59:387
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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