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2026-07-02 - 06:59
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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 10 highest latencies:
System rack5slot0.osadl.org (updated Thu Jul 02, 2026 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2374321270,4sleep22181299cyclictest22:47:302
504121220,3sleep22181299cyclictest00:13:432
1956521210,0sleep00-21swapper/023:12:570
1857921200,2sleep20-21swapper/222:50:432
2840121190,2sleep228400-21sshd22:01:262
2157321190,2sleep02180099cyclictest23:05:270
234712990,1sleep20-21swapper/223:13:242
114052990,1sleep00-21swapper/023:26:320
259782930,2sleep025972-21bash22:29:450
222212920,2sleep1211ktimersoftd/122:04:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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