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2026-04-04 - 21:15
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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
Characteristics of the 20 highest latencies:
System rackaslot0.osadl.org (updated Sat Apr 04, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
202892910,1sleep2673099cyclictest11:56:102
221532870,1sleep013812-21diskmemload11:56:190
98562600,0sleep09841-21sshd11:26:360
154862600,1sleep119-21rcuc/111:58:421
90612580,0sleep10-21swapper/111:37:581
246582560,1sleep324644-21sshd11:10:443
212972560,0sleep11734-21runrttasks09:50:251
201422560,1sleep020141-21bash11:53:190
12692560,1sleep01734-21runrttasks09:51:320
96682540,1sleep228-21rcuc/209:29:302
94992540,1sleep19493-21sshd10:00:461
257842540,0sleep10-21swapper/112:02:261
21452540,0sleep01509-21nfsd09:31:370
112002540,0sleep00-21swapper/011:35:170
10452540,1sleep21028-21sshd09:23:012
257682530,0sleep30-21swapper/310:50:493
78862520,0sleep20-21swapper/210:52:072
567225225,9sleep10-21swapper/107:06:031
290552520,0sleep228-21rcuc/212:25:302
207762520,1sleep220774-21sshd09:13:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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