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2026-04-14 - 15:35
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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 14, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
201939910728253456,53735cyclictest134850irq/9-eth010:50:250
201939910679753468,53233cyclictest5155-21diskmemload10:07:520
201939910677253442,53266cyclictest9-21ksoftirqd/010:41:520
201939910669053395,53202cyclictest0-21swapper10:12:340
201939910667253472,53200cyclictest0-21swapper12:34:140
201939910660953480,53037cyclictest0-21swapper09:13:070
201939910658553392,53098cyclictest0-21swapper11:53:330
201939910651653411,53105cyclictest0-21swapper07:25:460
201939910651453475,53039cyclictest0-21swapper09:21:390
201939910649153472,53019cyclictest0-21swapper10:39:520
201939910648953468,53021cyclictest0-21swapper12:26:020
201939910648853468,53020cyclictest0-21swapper08:27:330
201939910647253412,53060cyclictest0-21swapper09:07:450
201939910645453404,53050cyclictest0-21swapper07:34:080
201939910644753402,53045cyclictest0-21swapper10:57:570
201939910643053432,52998cyclictest0-21swapper10:25:580
201939910640853421,52987cyclictest0-21swapper12:19:400
201939910636953467,52902cyclictest0-21swapper10:31:290
201939910630353454,52752cyclictest2099-21runrttasks08:30:340
201939910629453406,52824cyclictest10-21rcuc/007:15:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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