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2026-05-13 - 01:27
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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 Tue May 12, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262521010,0sleep12624-21sshd10:03:191
146762950,0sleep20-21swapper/210:59:262
132392940,0sleep213211-21sshd10:36:022
264102870,0sleep119-21rcuc/109:33:381
100592780,2sleep10-21swapper/107:05:181
26822640,1sleep12684-21bash11:21:281
266172640,1sleep326584-21sshd12:30:183
1114226225,9sleep20-21swapper/207:06:252
144642600,0sleep30-21swapper/310:47:453
60422590,0sleep019264-21diskmemload12:22:420
293822580,1sleep229381-21id11:55:432
208262560,1sleep320827-21sshd11:34:483
167002560,0sleep116695-21sshd09:55:501
133632560,1sleep01510-21nfsd12:08:520
94792550,0sleep10-21swapper/109:26:171
293912550,1sleep20-21swapper/210:14:262
159452550,1sleep015943-21id12:38:040
153882550,6sleep121-21ksoftirqd/110:42:021
101452550,1sleep119264-21diskmemload10:24:181
74042540,1sleep37400-21bash11:19:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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