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2026-05-06 - 23:19
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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 Wed May 06, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
167219910679053468,53232cyclictest9-21ksoftirqd/011:31:220
167219910668253407,53275cyclictest0-21swapper08:14:560
167219910660853479,53038cyclictest0-21swapper07:26:320
167219910660653390,53153cyclictest9-21ksoftirqd/011:27:510
167219910655353461,53092cyclictest0-21swapper08:22:380
167219910654353387,53091cyclictest0-21swapper10:51:510
167219910654253453,53089cyclictest0-21swapper07:58:010
167219910650553470,53035cyclictest0-21swapper11:44:560
167219910650053468,53032cyclictest0-21swapper10:48:200
167219910647953417,53062cyclictest0-21swapper07:52:190
167219910646953414,53055cyclictest0-21swapper10:11:190
167219910646853461,53007cyclictest0-21swapper10:32:250
167219910646753437,53030cyclictest0-21swapper08:48:050
167219910646553482,52983cyclictest0-21swapper08:31:000
167219910645753462,52995cyclictest0-21swapper07:11:270
167219910644653443,53003cyclictest0-21swapper12:18:360
167219910644353474,52969cyclictest0-21swapper12:14:050
167219910643953471,52968cyclictest0-21swapper12:26:280
167219910643753437,53000cyclictest0-21swapper08:43:440
167219910641353424,52989cyclictest0-21swapper07:47:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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