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2026-06-15 - 18:30
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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 Jun 15, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2151621230,1sleep33243399cyclictest23:42:353
213602940,0sleep021351-21sshd22:18:110
253822890,0sleep20-21swapper/223:57:262
160692890,0sleep10-21swapper/121:19:311
131252890,1sleep37165-21diskmemload22:52:153
131252890,1sleep37165-21diskmemload22:52:153
239972870,1sleep31734-21runrttasks00:23:193
286592660,1sleep128664-21bash22:30:271
96292650,1sleep39610-21sshd23:55:573
277532630,6sleep230-21ksoftirqd/222:39:122
140402620,2sleep119-21rcuc/123:44:551
39042590,1sleep23887-21sshd22:22:262
313532590,1sleep00-21swapper/021:12:050
241192590,0sleep10-21swapper/100:17:321
204802580,1sleep120448-21sshd23:10:211
3151625723,18sleep00-21swapper/019:06:450
28122570,1sleep232428-21cyclictest00:30:072
276432560,1sleep30-21swapper/300:32:163
211782560,1sleep17165-21diskmemload23:54:121
45632550,1sleep14561-21sshd23:49:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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