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2026-04-16 - 13:14
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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 Thu Apr 16, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29659910712253411,53614cyclictest18225-21ssh22:34:120
29659910696953456,53447cyclictest318282sleep020:06:500
29659910669253471,53221cyclictest0-21swapper21:21:010
29659910657453459,53115cyclictest0-21swapper21:38:260
29659910657153457,53114cyclictest0-21swapper21:11:180
29659910655253454,53098cyclictest0-21swapper00:01:570
29659910654753428,53053cyclictest0-21swapper20:21:040
29659910654753386,53095cyclictest0-21swapper22:37:330
29659910651153429,53082cyclictest0-21swapper22:10:450
29659910650353428,52985cyclictest0-21swapper20:13:010
29659910648953436,53053cyclictest0-21swapper00:07:390
29659910645953448,53011cyclictest0-21swapper00:11:300
29659910644953472,52977cyclictest0-21swapper20:34:280
29659910644853446,53002cyclictest0-21swapper22:44:350
29659910644153396,53045cyclictest0-21swapper22:09:050
29659910640953426,52983cyclictest0-21swapper22:20:080
29659910640253421,52981cyclictest0-21swapper20:38:290
29659910639353439,52865cyclictest7892-21kworker/0:221:32:540
29659910635353389,52899cyclictest0-21swapper19:17:250
29659910630153473,52828cyclictest0-21swapper20:25:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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