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2026-05-06 - 04:16
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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 792 highest latencies:
System rack6slot6 (updated Wed May 06, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185159910691053425,53393cyclictest0-21swapper19:22:330
185159910671553424,53291cyclictest0-21swapper22:11:020
185159910654153474,53067cyclictest0-21swapper20:28:320
185159910652353395,53038cyclictest0-21swapper21:07:330
185159910650853401,53107cyclictest0-21swapper21:01:220
185159910649453475,53019cyclictest0-21swapper19:42:190
185159910648953467,53022cyclictest0-21swapper20:41:560
185159910648853466,53022cyclictest0-21swapper20:19:090
185159910648853462,53026cyclictest0-21swapper00:38:440
185159910647053414,53056cyclictest0-21swapper20:02:150
185159910646953413,53056cyclictest0-21swapper20:57:510
185159910646553455,53010cyclictest0-21swapper20:23:010
185159910646053408,53052cyclictest0-21swapper22:09:210
185159910645953406,53053cyclictest0-21swapper23:15:000
185159910645853448,53010cyclictest0-21swapper00:24:200
185159910645153461,52897cyclictest0-21swapper19:37:170
185159910644753459,52988cyclictest0-21swapper21:56:170
185159910640453425,52979cyclictest0-21swapper22:18:440
185159910626253389,52808cyclictest0-21swapper23:15:400
185159910625253384,52803cyclictest0-21swapper19:55:030
185159910620153466,52735cyclictest0-21swapper20:30:330
185159910619953419,52780cyclictest0-21swapper23:40:070
185159910619453466,52728cyclictest0-21swapper00:26:110
185159910617853461,52717cyclictest0-21swapper22:51:530
185159910617853461,52717cyclictest0-21swapper20:39:050
185159910615953401,52758cyclictest0-21swapper21:33:110
185159910615553399,52756cyclictest0-21swapper19:26:440
185159910606153385,52657cyclictest3950irq/9-acpi22:48:220
185159910588553379,52506cyclictest0-21swapper22:42:110
185159910569152930,52759cyclictest8557-21ssh22:34:080
18515995404125,53892cyclictest2099-21runrttasks22:39:500
18515995402953407,525cyclictest2099-21runrttasks23:05:480
18515995385653423,433cyclictest0-21swapper22:03:400
18515995384253405,437cyclictest0-21swapper22:21:050
18515995383653397,439cyclictest0-21swapper21:35:420
18515995377527,0cyclictest0-21swapper23:49:400
18515995372829,0cyclictest2099-21runrttasks00:32:220
18515995372753454,210cyclictest18506-21cyclictest20:49:380
1851599536852,53589cyclictest0-21swapper23:24:130
18515995366153450,211cyclictest0-21swapper19:53:220
18515995357453421,153cyclictest0-21swapper20:11:570
18515995319425,384cyclictest0-21swapper23:31:350
18515995308126,53055cyclictest0-21swapper21:13:250
18515995307924,52963cyclictest0-21swapper22:28:170
1851599529620,52962cyclictest0-21swapper21:49:460
18515995278527,52758cyclictest0-21swapper19:19:420
185159947122623,2077cyclictest2679-21devkit-power-da19:48:110
185159945042637,1864cyclictest2679-21devkit-power-da23:51:110
185159922361067,1169cyclictest0-21swapper23:37:570
185159922221021,1076cyclictest2099-21runrttasks19:31:260
185159921181055,937cyclictest1291-21ssh00:00:030
185159921041022,1047cyclictest0-21swapper00:14:570
185159920081029,858cyclictest0-21swapper22:56:350
185159920001099,777cyclictest14292-21ssh00:19:090
185159919061040,772cyclictest0-21swapper20:09:270
18515991793931,827cyclictest0-21swapper23:56:420
185159916731061,519cyclictest9375-1kworker/u3:223:29:440
185159916581098,473cyclictest0-21swapper21:41:530
185159916541087,503cyclictest3950irq/9-acpi21:51:160
18515991649965,647cyclictest26688-21ssh21:24:580
18515991596926,636cyclictest18506-21cyclictest23:01:260
185159915551017,501cyclictest2099-21runrttasks00:06:350
18515991537711,823cyclictest0-21swapper21:16:060
185159915271010,423cyclictest0-21swapper20:51:290
185159914481091,357cyclictest0-21swapper21:28:290
18515991040602,434cyclictest16206-21hwlatdetect-tra19:14:210
1479926712,12sleep015091-21hwlatdetect-tra19:09:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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