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2026-09-28 - 02:29
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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 Mon Sep 28, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45169910731453467,53748cyclictest1907-21snmpd22:43:140
45169910697753382,53529cyclictest229162sleep023:33:280
45169910690253431,53471cyclictest2099-21runrttasks22:47:150
45169910685253455,53298cyclictest21835-21diskmemload22:23:280
45169910680353474,53231cyclictest2200-21rm23:02:490
45169910677253457,53251cyclictest4512-21cyclictest20:40:380
45169910657353438,53042cyclictest0-21swapper22:12:150
45169910654753465,52983cyclictest2790-21gnome-settings-20:52:520
45169910651853480,53038cyclictest0-21swapper20:00:370
45169910651753475,53042cyclictest0-21swapper22:36:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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