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2025-12-09 - 01:13
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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 Dec 08, 2025 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2252926326,19sleep10-21swapper/107:05:371
2252926326,19sleep10-21swapper/107:05:371
188392590,0sleep315855-21diskmemload11:59:273
188392590,0sleep315855-21diskmemload11:59:273
33412570,1sleep119-21rcuc/112:21:201
103642570,1sleep30-21swapper/310:22:053
2264525533,18sleep30-21swapper/307:07:033
2264525533,18sleep30-21swapper/307:07:033
2254225534,18sleep00-21swapper/007:05:440
2254225534,18sleep00-21swapper/007:05:440
186932550,1sleep31819-21runrttasks09:41:183
294992540,0sleep20-21swapper/210:28:372
276152530,1sleep027611-21bash10:15:320
258392530,0sleep325777-21sshd09:50:233
2278225330,19sleep20-21swapper/207:08:472
2278225330,19sleep20-21swapper/207:08:472
318482520,1sleep031845-21bash09:29:460
311872510,1sleep231189-21id11:48:072
245802510,0sleep20-21swapper/210:48:122
110112510,0sleep3381ktimersoftd/309:26:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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