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2026-06-29 - 16:53
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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 20 highest latencies:
System rack0slot7.osadl.org (updated Mon Jun 29, 2026 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48507899421420,1cyclictest706213-21kworker/u40:2+events_unbound00:00:2718
48507899421420,1cyclictest677598-21kworker/u40:12+events_unbound23:38:1118
48507299419418,1cyclictest504989-21kworker/u40:4+events_unbound19:44:5016
48507299419418,1cyclictest504989-21kworker/u40:4+events_unbound19:44:4916
48507299418418,0cyclictest653275-21kworker/u40:2+events_unbound23:31:1616
48506299403402,1cyclictest467977-21kworker/u40:9+events_unbound20:03:0113
48506999288283,5cyclictest1477248-21Renderer23:26:3615
48505299288282,5cyclictest1477248-21Renderer20:46:340
48508299287281,5cyclictest1477248-21Renderer21:52:0619
48507899287283,3cyclictest1477248-21Renderer22:28:5718
48507299287281,4cyclictest1477248-21Renderer00:31:3016
48506999287282,5cyclictest1477248-21Renderer19:40:3615
48506999287282,5cyclictest1477248-21Renderer19:40:3515
48506599287282,5cyclictest1477248-21Renderer23:49:4414
48506299287282,4cyclictest1477248-21Renderer22:41:5113
48505999287281,5cyclictest1477248-21Renderer22:44:5912
48505599287282,5cyclictest1477248-21Renderer19:40:141
48505599287282,5cyclictest1477248-21Renderer19:40:131
48505599287281,5cyclictest1477248-21Renderer19:50:001
48507899286283,3cyclictest1477248-21Renderer23:02:5818
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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