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2025-11-07 - 12:47
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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 50 highest latencies:
System rack6slot6 (updated Fri Nov 07, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20089910712753405,53656cyclictest0-21swapper20:31:230
20089910701353470,53422cyclictest26600-21ssh22:50:030
20089910676953416,53353cyclictest0-21swapper19:47:510
20089910675953417,53221cyclictest9-21ksoftirqd/022:59:160
20089910664853277,53358cyclictest0-21swapper20:13:480
20089910661353387,53161cyclictest0-21swapper21:09:440
20089910648253462,53020cyclictest0-21swapper19:52:520
20089910647953456,53023cyclictest0-21swapper23:06:480
20089910641753429,52988cyclictest0-21swapper19:34:370
20089910641353424,52989cyclictest0-21swapper20:20:200
20089910634653440,52795cyclictest0-21swapper20:29:530
20089910630353384,52829cyclictest9-21ksoftirqd/000:06:250
20089910625953406,52853cyclictest0-21swapper21:01:120
20089910623653476,52760cyclictest0-21swapper23:29:140
20089910619853465,52733cyclictest0-21swapper19:57:440
20089910618553460,52725cyclictest0-21swapper23:37:570
20089910617753454,52723cyclictest0-21swapper20:19:400
20089910616153402,52759cyclictest0-21swapper00:35:340
20089910615453399,52755cyclictest0-21swapper23:33:560
20089910606652985,53079cyclictest0-21swapper23:01:370
20089910539053124,52256cyclictest0-21swapper00:25:110
20089910524853077,52169cyclictest26182-21ssh22:04:100
2008995385925,53741cyclictest9-21ksoftirqd/019:35:370
2008995368027,53528cyclictest32271-21ssh23:42:380
2008995366728,53573cyclictest133750irq/9-eth023:58:030
2008995323324,453cyclictest0-21swapper19:24:240
2008995304527,53018cyclictest0-21swapper20:52:090
2008995291725,52795cyclictest19272-21diskmemload00:15:080
20089925111096,1315cyclictest29432-21rm00:24:100
20089924191027,1267cyclictest3099-21ssh00:31:420
20089923651090,1180cyclictest9-21ksoftirqd/021:54:170
20089922601093,1069cyclictest14921-21ssh23:18:410
20089922311064,1074cyclictest9-21ksoftirqd/022:26:060
20089921141086,935cyclictest0-21swapper22:34:290
20089921011039,1027cyclictest0-21swapper21:33:110
20089921001041,1025cyclictest0-21swapper22:40:400
20089920981038,1024cyclictest0-21swapper22:15:130
20089920771080,905cyclictest0-21swapper23:45:490
20089920771034,1022cyclictest0-21swapper00:11:270
20089920761078,902cyclictest0-21swapper19:12:510
20089920751036,1002cyclictest14298-21ssh00:02:340
20089920681035,996cyclictest1118-21ssh21:29:400
20089920601003,1023cyclictest0-21swapper20:59:410
20089920591001,1023cyclictest0-21swapper22:49:530
20089920551094,839cyclictest28444-21ssh22:06:310
20089920531071,890cyclictest0-21swapper20:44:070
20089920491012,1004cyclictest0-21swapper20:38:350
20089920481091,832cyclictest18592-21rm23:23:530
2008992037998,1018cyclictest0-21swapper20:09:570
20089920341078,866cyclictest0-21swapper21:13:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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