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2025-12-03 - 15:02
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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 Wed Dec 03, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225429910722253481,53617cyclictest11179-21ssh00:14:540
225429910716953395,53679cyclictest16425-21ssh23:36:330
225429910669753458,53173cyclictest0-21swapper20:03:410
225429910665753415,53176cyclictest0-21swapper20:44:330
225429910657153459,53112cyclictest0-21swapper21:00:580
225429910656053476,53084cyclictest0-21swapper21:38:190
225429910654253399,53143cyclictest0-21swapper20:38:010
225429910653653441,53095cyclictest0-21swapper22:14:390
225429910647453459,53015cyclictest0-21swapper22:56:310
225429910646053445,53015cyclictest0-21swapper19:48:370
225429910643953398,53041cyclictest0-21swapper22:31:240
225429910642353435,52988cyclictest0-21swapper22:16:300
225429910642253391,53031cyclictest0-21swapper20:22:370
225429910631953430,52824cyclictest9-21ksoftirqd/020:07:330
225429910627353394,52814cyclictest0-21swapper23:25:100
225429910626653393,52808cyclictest0-21swapper19:31:520
225429910622553476,52749cyclictest0-21swapper21:08:000
225429910622453479,52745cyclictest0-21swapper23:19:280
225429910618653415,52771cyclictest0-21swapper20:34:500
225429910617353409,52764cyclictest0-21swapper19:22:100
225429910616553450,52715cyclictest0-21swapper19:51:580
225429910616053440,52720cyclictest0-21swapper20:48:240
225429910616053403,52757cyclictest0-21swapper19:56:190
225429910615553441,52714cyclictest0-21swapper20:59:280
225429910615153458,52693cyclictest0-21swapper20:12:440
225429910613953394,52745cyclictest0-21swapper21:22:040
225429910613853436,52702cyclictest0-21swapper20:18:260
225429910613553038,53095cyclictest0-21swapper23:33:420
225429910612453431,52693cyclictest0-21swapper19:41:250
225429910604052929,53109cyclictest0-21swapper00:39:010
225429910588852942,52944cyclictest26770-21ssh22:21:410
225429910536453101,52263cyclictest0-21swapper22:36:360
225429910534152994,52344cyclictest24553-21sh23:03:530
225429910509952989,52105cyclictest0-21swapper21:16:320
22542995361127,53490cyclictest0-21swapper21:51:230
22542995360927,80cyclictest27405-21kworker/0:319:28:010
22542995351824,0cyclictest0-21swapper22:48:290
22542995348527,383cyclictest0-21swapper00:19:050
22542995346327,53436cyclictest0-21swapper21:32:570
22542995324525,0cyclictest0-21swapper20:25:280
22542995306326,52945cyclictest0-21swapper22:50:500
225429943322335,1982cyclictest2739-21devkit-power-da00:27:480
225429926541092,1463cyclictest1744-21hald23:49:370
225429925901103,1389cyclictest2689-21ssh21:49:120
225429925021091,1317cyclictest15231-21kworker/u2:121:42:500
225429924781052,1302cyclictest31534-21ssh23:57:390
225429924571036,1295cyclictest29063-21ssh23:54:580
225429924241053,1278cyclictest9-21ksoftirqd/022:28:030
225429923761059,1222cyclictest133750irq/9-eth023:20:480
225429922621062,1106cyclictest0-21swapper22:09:080
225429922591074,1086cyclictest2103-21runrttasks21:29:560
225429922381049,1064cyclictest9806-21ssh21:58:550
225429922101062,1082cyclictest140749irq/7-s-b4322:41:570
225429921361023,1075cyclictest30806-21ssh23:11:560
225429920901087,904cyclictest1911-21snmpd00:22:560
225429920901084,913cyclictest0-21swapper21:12:410
22542992014953,1019cyclictest20656-21ssh23:42:450
225429919891036,861cyclictest0-21swapper19:36:440
22542991929929,965cyclictest0-21swapper20:51:250
22542991823947,855cyclictest0-21swapper00:35:000
225429917721064,642cyclictest3950irq/9-acpi00:06:410
22542991630960,633cyclictest26117-21ssh23:05:240
225429915951046,455cyclictest0-21swapper00:02:400
22542991539956,546cyclictest13617-21ssh22:04:160
22542991257616,636cyclictest20105-21hwlatdetect-tra19:18:590
22542991209602,604cyclictest29540-21grep19:10:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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