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2026-05-08 - 19:11
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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 Fri May 08, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62199910712053446,53609cyclictest9-21ksoftirqd/010:36:260
62199910710453410,53573cyclictest23909-21ssh09:57:450
62199910702753408,53553cyclictest0-21swapper11:38:040
62199910667553420,53165cyclictest0-21swapper07:53:390
62199910663753429,53208cyclictest0-21swapper12:05:020
62199910661153464,53081cyclictest0-21swapper07:15:280
62199910658853468,53120cyclictest0-21swapper08:53:360
62199910650553400,53105cyclictest0-21swapper09:08:310
62199910650453474,53030cyclictest0-21swapper08:26:590
62199910650253469,53033cyclictest0-21swapper09:44:310
62199910649953425,53074cyclictest0-21swapper10:12:290
62199910649453465,53029cyclictest0-21swapper10:56:420
62199910649153467,53024cyclictest0-21swapper12:28:080
62199910647853415,53063cyclictest0-21swapper10:20:210
62199910647353444,53029cyclictest0-21swapper12:38:510
62199910647353415,53058cyclictest0-21swapper07:37:140
62199910642953400,52968cyclictest6218-21cyclictest07:23:410
62199910641453421,52993cyclictest0-21swapper10:26:430
62199910629653452,52779cyclictest9-21ksoftirqd/008:36:210
62199910628053384,52804cyclictest0-21swapper07:43:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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