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2026-06-26 - 23:41
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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 10 highest latencies:
System rack6slot6 (updated Fri Jun 26, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
67829910731453422,53793cyclictest6814-21munin-node07:10:150
67829910695253418,53442cyclictest0-21swapper07:35:530
67829910689053426,53400cyclictest19065-21rm12:14:030
67829910663753431,53206cyclictest0-21swapper10:57:010
67829910658453420,53101cyclictest9-21ksoftirqd/007:21:590
67829910656853473,53095cyclictest0-21swapper09:04:580
67829910654353414,53039cyclictest0-21swapper09:42:190
67829910650253458,53044cyclictest0-21swapper12:08:510
67829910649053436,53054cyclictest0-21swapper12:17:340
67829910647753461,53016cyclictest0-21swapper11:47:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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