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2026-04-07 - 17:08
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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 Tue Apr 07, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216309910695053386,53479cyclictest0-21swapper12:03:120
216309910690953402,53412cyclictest2099-21runrttasks10:15:310
216309910680153475,53326cyclictest0-21swapper09:08:520
216309910664253396,53246cyclictest0-21swapper08:39:430
216309910661653449,53167cyclictest0-21swapper11:48:380
216309910661453380,53144cyclictest9-21ksoftirqd/011:15:480
216309910660153474,53127cyclictest0-21swapper12:30:300
216309910659753398,53109cyclictest9-21ksoftirqd/011:21:500
216309910657753407,53104cyclictest0-21swapper08:11:050
216309910657353404,53105cyclictest9-21ksoftirqd/010:57:230
216309910655253475,53077cyclictest0-21swapper09:15:440
216309910651253475,53037cyclictest0-21swapper11:28:020
216309910650653472,53034cyclictest0-21swapper10:52:420
216309910650253422,53080cyclictest0-21swapper07:27:430
216309910649153463,53028cyclictest0-21swapper09:46:530
216309910646753462,53005cyclictest0-21swapper07:44:270
216309910646453409,53055cyclictest0-21swapper09:50:540
216309910646253405,53057cyclictest0-21swapper08:28:500
216309910645453404,53050cyclictest0-21swapper09:31:580
216309910643953397,53042cyclictest0-21swapper10:40:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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