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2026-04-08 - 14:47
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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 Wed Apr 08, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1285721030,1sleep337-21rcuc/311:36:553
32572910,1sleep03241-21sshd12:01:520
32572910,1sleep03241-21sshd12:01:520
259592900,0sleep00-21swapper/011:03:440
130952620,0sleep313092-21bash10:08:053
2637326127,8sleep00-21swapper/007:09:580
291372590,0sleep00-21swapper/009:26:360
318422560,0sleep131830-21ntp_states09:35:221
282212550,0sleep30-21swapper/309:26:313
253012550,0sleep30-21swapper/312:21:033
179092550,0sleep30-21swapper/309:56:593
83052540,0sleep00-21swapper/010:39:200
109882540,0sleep10-21swapper/111:56:491
96912520,0sleep01292-21diskmemload12:11:010
84262520,0sleep20-21swapper/210:45:022
82392520,0sleep20-21swapper/211:53:452
2578225225,9sleep20-21swapper/207:07:052
242162520,1sleep21734-21runrttasks09:54:462
13812520,0sleep00-21swapper/012:18:590
132822520,1sleep00-21swapper/010:48:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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