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2026-04-11 - 07:45
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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 Sat Apr 11, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96839910707553442,53543cyclictest31194-1kworker/u3:000:29:510
96839910662053395,53133cyclictest9-21ksoftirqd/021:02:120
96839910659453474,53120cyclictest0-21swapper23:21:020
96839910655653392,53099cyclictest0-21swapper21:47:150
96839910654753411,53045cyclictest0-21swapper21:33:210
96839910653753412,53125cyclictest0-21swapper00:39:440
96839910650853415,53093cyclictest0-21swapper19:25:340
96839910650353470,53033cyclictest0-21swapper20:45:270
96839910648453475,53009cyclictest0-21swapper22:31:470
96839910646953483,52922cyclictest9675-21cyclictest20:41:050
96839910646753441,53026cyclictest0-21swapper22:01:290
96839910646653459,53007cyclictest0-21swapper21:16:060
96839910644453475,52969cyclictest0-21swapper22:40:300
96839910643653438,52998cyclictest0-21swapper20:08:160
96839910643153437,52994cyclictest0-21swapper23:06:170
96839910642553440,52985cyclictest0-21swapper00:00:530
96839910642353432,52991cyclictest0-21swapper22:15:330
96839910641753385,53032cyclictest0-21swapper00:05:440
96839910627153395,52811cyclictest0-21swapper21:06:130
96839910626953392,52813cyclictest9-21ksoftirqd/020:21:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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