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2026-04-17 - 07:51
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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 Apr 17, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327329910697853436,53450cyclictest0-21swapper22:28:450
327329910678953440,53285cyclictest134850irq/9-eth021:46:330
327329910674953413,53244cyclictest0-21swapper19:29:440
327329910658553402,53183cyclictest0-21swapper00:20:480
327329910654953451,53098cyclictest0-21swapper23:50:090
327329910654053443,53097cyclictest0-21swapper20:53:080
327329910650153469,53032cyclictest0-21swapper22:07:590
327329910646453456,53008cyclictest0-21swapper19:51:300
327329910645853407,53051cyclictest0-21swapper22:14:210
327329910645753407,53050cyclictest0-21swapper22:49:410
327329910645453459,52995cyclictest0-21swapper19:32:550
327329910644453399,53045cyclictest0-21swapper21:59:170
327329910643453394,53040cyclictest0-21swapper22:23:240
327329910642353433,52990cyclictest0-21swapper21:06:220
327329910637053435,52843cyclictest0-21swapper00:06:340
327329910629953414,52819cyclictest0-21swapper19:56:010
327329910628253406,52813cyclictest9-21ksoftirqd/021:26:580
327329910628253405,52811cyclictest0-21swapper20:26:400
327329910621353469,52744cyclictest0-21swapper19:41:470
327329910618153452,52729cyclictest0-21swapper20:12:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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