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2025-11-30 - 15:45
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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 Sun Nov 30, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3214799210248105303,104943cyclictest8164-21ssh11:11:390
321479910705753465,53528cyclictest3950irq/9-acpi10:39:290
321479910675753416,53272cyclictest0-21swapper07:54:020
321479910672253436,53286cyclictest0-21swapper11:21:110
321479910671353456,53194cyclictest32140-21cyclictest12:37:530
321479910662553373,53164cyclictest3950irq/9-acpi09:16:250
321479910650053471,53029cyclictest0-21swapper09:21:570
321479910649253463,53029cyclictest0-21swapper08:10:460
321479910648653465,53021cyclictest0-21swapper12:20:480
321479910648553416,52973cyclictest4335-21diskmemload11:51:100
321479910646353455,53008cyclictest0-21swapper12:11:560
321479910644753400,53047cyclictest0-21swapper11:32:250
321479910643853397,53041cyclictest0-21swapper11:57:420
321479910643853396,53042cyclictest0-21swapper11:44:280
321479910643153435,52996cyclictest0-21swapper11:28:030
321479910640153378,53023cyclictest0-21swapper10:34:280
321479910637653424,52888cyclictest32140-21cyclictest08:36:140
321479910634053419,52856cyclictest133750irq/9-eth009:12:440
321479910631453471,52843cyclictest0-21swapper09:08:130
321479910629953394,52842cyclictest9-21ksoftirqd/009:48:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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