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2025-11-08 - 14:17
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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 highest latencies:
System rack6slot6 (updated Sat Nov 08, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1253199210777105303,105472cyclictest0-21swapper00:24:550
125319910665853473,53088cyclictest2103-21runrttasks19:45:050
125319910665453424,53138cyclictest9-21ksoftirqd/020:15:030
125319910662053424,53131cyclictest0-21swapper22:32:530
125319910660753473,53134cyclictest0-21swapper21:04:580
125319910656353411,53152cyclictest0-21swapper20:42:510
125319910653453396,53138cyclictest0-21swapper19:38:330
125319910653053396,53134cyclictest0-21swapper19:20:380
125319910650453471,53033cyclictest0-21swapper21:24:130
125319910650453469,53035cyclictest0-21swapper22:04:250
125319910647753456,53021cyclictest0-21swapper22:15:580
125319910642553437,52988cyclictest0-21swapper22:52:590
125319910635653398,52958cyclictest0-21swapper21:09:190
125319910634953415,52869cyclictest9-21ksoftirqd/020:56:450
125319910630753423,52819cyclictest9-21ksoftirqd/020:11:520
125319910629653420,52812cyclictest9-21ksoftirqd/021:16:110
125319910622053474,52746cyclictest0-21swapper20:03:100
125319910621853472,52746cyclictest0-21swapper20:38:100
125319910615953444,52715cyclictest0-21swapper19:59:090
125319910614253051,53089cyclictest0-21swapper22:35:440
125319910613753436,52701cyclictest0-21swapper19:27:400
125319910608953031,53056cyclictest0-21swapper21:42:490
125319910605252961,53086cyclictest0-21swapper21:32:560
125319910604153021,53017cyclictest30777-21ssh22:57:300
125319910598152934,53045cyclictest0-21swapper21:14:310
125319910595752977,52977cyclictest17550-21ssh00:05:300
125319910589253050,52840cyclictest8860-21ssh00:37:490
125319910583353026,52804cyclictest133750irq/9-eth023:57:270
125319910563353025,52606cyclictest10769-21ssh21:48:100
125319910538353002,52379cyclictest5437-21ssh22:24:110
125319910537152994,52375cyclictest22894-21ssh22:46:470
125319910517953068,52109cyclictest0-21swapper00:26:460
125319910516353049,52112cyclictest0-21swapper23:24:580
125319910516253049,52111cyclictest0-21swapper23:02:010
125319910514353050,52091cyclictest0-21swapper00:31:270
125319910513653028,52106cyclictest0-21swapper21:26:540
125319910512553027,52096cyclictest0-21swapper23:34:410
125319910512053041,52077cyclictest0-21swapper20:06:110
125319910509652996,52098cyclictest0-21swapper23:27:590
125319910508752984,52098cyclictest0-21swapper23:36:210
125319910508752978,52107cyclictest0-21swapper00:17:230
125319910507052980,52088cyclictest0-21swapper20:28:170
125319910505152951,52098cyclictest0-21swapper00:04:090
125319910504752936,52109cyclictest0-21swapper23:47:550
125319910504652945,52099cyclictest0-21swapper23:53:260
125319910504552941,52102cyclictest0-21swapper22:26:510
125319910504452972,52070cyclictest0-21swapper23:17:360
125319910502952936,52092cyclictest0-21swapper21:56:130
12531995342133,53388cyclictest0-21swapper23:13:250
12531995330926,0cyclictest0-21swapper22:09:560
12531995329927,53179cyclictest0-21swapper20:24:260
12531995319227,0cyclictest0-21swapper20:53:040
1253199530928,53082cyclictest0-21swapper20:45:120
12531995306827,53041cyclictest0-21swapper19:44:150
12531995306626,53040cyclictest0-21swapper19:52:570
125319920741026,1014cyclictest0-21swapper19:31:010
125319920541038,921cyclictest9-21ksoftirqd/022:41:150
12531992012960,1032cyclictest5350irq/9-uhci_hcd:21:38:170
125319919071096,714cyclictest2103-21runrttasks19:19:470
125319915011008,426cyclictest0-21swapper22:13:270
125319914561092,364cyclictest0-21swapper20:30:080
125319914281098,330cyclictest0-21swapper23:40:020
125319914281051,377cyclictest0-21swapper23:08:330
1253199140324,1282cyclictest133750irq/9-eth000:12:420
125319913931073,320cyclictest0-21swapper21:54:420
12531991208610,594cyclictest3905-21grep19:11:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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