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2026-04-27 - 20:54
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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
Characteristics of the 20 highest latencies:
System rack6slot6 (updated Mon Apr 27, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156979910679553417,53282cyclictest2272-21munin-node11:49:140
156979910675553480,53275cyclictest0-21swapper11:36:510
156979910660753381,53212cyclictest11989-21ssh10:14:570
156979910659153387,53114cyclictest9-21ksoftirqd/008:20:040
156979910656353396,53102cyclictest0-21swapper08:36:190
156979910655253390,53071cyclictest0-21swapper10:38:140
156979910652153474,53047cyclictest0-21swapper11:01:000
156979910651153475,53036cyclictest0-21swapper10:08:550
156979910650853472,53036cyclictest0-21swapper11:20:460
156979910649753467,53030cyclictest0-21swapper07:48:150
156979910649553462,53033cyclictest0-21swapper10:52:580
156979910646853458,53010cyclictest0-21swapper07:16:460
156979910643553448,52987cyclictest0-21swapper09:04:470
156979910643553436,52999cyclictest0-21swapper10:20:590
156979910643453394,53040cyclictest0-21swapper07:34:510
156979910640353423,52980cyclictest0-21swapper10:49:370
156979910626653382,52818cyclictest0-21swapper08:07:400
156979910625553376,52815cyclictest9-21ksoftirqd/008:57:450
156979910624953441,52808cyclictest0-21swapper07:38:020
156979910623553440,52795cyclictest0-21swapper10:44:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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