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2026-04-29 - 00:42
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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 28, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207089910750453441,53941cyclictest2099-21runrttasks09:31:190
207089910694953428,53455cyclictest0-21swapper08:08:560
207089910672053454,53202cyclictest9-21ksoftirqd/008:43:250
207089910661153479,53132cyclictest0-21swapper08:23:400
207089910654753451,53096cyclictest0-21swapper12:20:280
207089910654253398,53144cyclictest0-21swapper08:59:200
207089910654153411,53064cyclictest0-21swapper11:10:180
207089910648053462,53018cyclictest0-21swapper11:34:550
207089910647953466,53013cyclictest0-21swapper11:41:270
207089910647353458,53015cyclictest0-21swapper12:38:330
207089910645953465,52994cyclictest0-21swapper10:23:040
207089910641653428,52988cyclictest0-21swapper11:08:570
207089910634853397,52860cyclictest0-21swapper08:33:130
207089910633653344,52977cyclictest4511-21ssh10:40:490
207089910626353478,52785cyclictest0-21swapper07:38:370
207089910625853477,52781cyclictest0-21swapper07:19:410
207089910624053444,52796cyclictest0-21swapper07:54:210
207089910616853448,52720cyclictest0-21swapper07:47:490
207089910585853323,52535cyclictest0-21swapper10:14:320
207089910539152924,52465cyclictest32468-21ssh12:09:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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