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2026-09-13 - 11:14
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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 rack3slot0.osadl.org (updated Sun Sep 13, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301212710,1sleep233-21ksoftirqd/221:57:422
289472560,0sleep40-21swapper/421:22:124
261632530,0sleep10-21swapper/100:13:241
103402520,0sleep50-21swapper/523:09:295
78872500,0sleep57876-21sshd22:57:285
78912470,0sleep00-21swapper/021:58:200
32052470,0sleep40-21swapper/421:18:434
314922470,0sleep40-21swapper/423:26:264
297482470,0sleep30-21swapper/322:05:283
99142460,0sleep70-21swapper/723:46:477
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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