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2026-08-10 - 06:18
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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 20 highest latencies:
System rackaslot0.osadl.org (updated Mon Aug 10, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
926721080,0sleep29263-21cp22:13:042
307942870,1sleep330778-21sshd23:35:223
203262830,0sleep00-21swapper/022:42:430
118262620,0sleep121-21ksoftirqd/100:11:051
250052610,0sleep20-21swapper/221:42:522
250052610,0sleep20-21swapper/221:42:522
117972600,1sleep00-21swapper/021:35:530
159432580,0sleep015939-21sshd00:23:020
43172570,0sleep20-21swapper/221:49:412
297712570,0sleep00-21swapper/021:43:180
297712570,0sleep00-21swapper/021:43:180
1528525723,18sleep10-21swapper/119:06:461
64242560,1sleep21866-21runrttasks23:50:272
193122560,0sleep20-21swapper/200:08:592
71912550,0sleep00-21swapper/022:53:050
258192550,0sleep20-21swapper/200:23:572
1547525529,8sleep30-21swapper/319:09:133
166772540,1sleep016672-21sshd00:25:540
1527125432,18sleep20-21swapper/219:06:362
119862540,0sleep1201ktimersoftd/121:35:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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