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2025-11-06 - 23:15
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack0slot0.osadl.org (updated Thu Nov 06, 2025 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1179221360,0sleep311793-21bash11:52:333
682121170,1sleep21036-21runrttasks09:29:112
293842960,1sleep60-21swapper/609:27:386
307882790,0sleep30-21swapper/312:09:403
323122770,0sleep2311rcuc/212:38:092
170762760,0sleep50-21swapper/511:58:125
170762760,0sleep50-21swapper/511:58:125
30672730,0sleep50-21swapper/511:08:115
304352730,0sleep20-21swapper/212:28:312
288732710,0sleep20-21swapper/209:55:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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