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2026-07-21 - 04:39
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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 Tue Jul 21, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4889910743853482,53856cyclictest29159-21ssh23:47:220
4889910708553449,53539cyclictest9112-21ssh23:18:130
4889910693653369,53547cyclictest0-21swapper23:51:530
4889910685153454,53300cyclictest3261-21gnome-power-man19:26:470
4889910678453466,53318cyclictest0-21swapper19:36:500
4889910674653402,53249cyclictest2099-21runrttasks21:00:340
4889910667353443,53230cyclictest0-21swapper21:27:010
4889910666953424,53152cyclictest481-21cyclictest21:49:380
4889910658453465,53119cyclictest0-21swapper20:44:390
4889910655753448,53109cyclictest0-21swapper19:57:360
4889910655053390,53095cyclictest0-21swapper21:44:060
4889910654953388,53071cyclictest0-21swapper22:24:080
4889910653953437,53102cyclictest0-21swapper20:23:430
4889910652953452,53077cyclictest0-21swapper19:21:050
4889910650153474,53027cyclictest0-21swapper23:25:050
4889910650153471,53030cyclictest0-21swapper20:47:200
4889910650053441,53059cyclictest0-21swapper22:17:260
4889910649853469,53029cyclictest0-21swapper21:37:040
4889910648353418,53065cyclictest0-21swapper22:08:130
4889910647553412,53063cyclictest0-21swapper00:29:040
4889910643953456,52983cyclictest0-21swapper00:04:170
4889910643953444,52995cyclictest0-21swapper20:34:360
4889910641753430,52987cyclictest0-21swapper00:33:350
4889910640953420,52989cyclictest0-21swapper21:31:030
4889910639453418,52976cyclictest0-21swapper22:39:120
4889910630853426,52817cyclictest0-21swapper20:12:100
4889910627853458,52820cyclictest0-21swapper20:19:420
4889910626353387,52810cyclictest0-21swapper19:34:490
4889910626153370,52867cyclictest6559-21ssh22:26:390
4889910625853420,52745cyclictest0-21swapper20:38:380
4889910622353478,52745cyclictest0-21swapper19:46:430
4889910621453471,52743cyclictest0-21swapper20:52:320
4889910620853467,52741cyclictest0-21swapper19:17:140
4889910616053448,52712cyclictest0-21swapper20:29:550
4889910615453438,52716cyclictest0-21swapper19:41:410
4889910615053397,52753cyclictest0-21swapper19:10:020
4889910614753439,52708cyclictest0-21swapper00:13:500
4889910614453436,52708cyclictest0-21swapper23:38:290
4889910614053433,52707cyclictest0-21swapper21:59:510
4889910613453430,52704cyclictest0-21swapper23:58:350
4889910603552959,53074cyclictest0-21swapper00:35:060
4889910589352933,52957cyclictest16631-21ssh22:41:130
4889910515153050,52099cyclictest0-21swapper22:52:560
4889910514953053,52094cyclictest0-21swapper22:59:580
488995407527,280cyclictest17964-21diskmemload21:22:500
488995366626,0cyclictest0-21swapper20:07:490
488995341124,53387cyclictest0-21swapper20:01:070
488995317930,0cyclictest2099-21runrttasks23:20:340
488995313125,53106cyclictest0-21swapper22:48:450
488995308028,53052cyclictest0-21swapper21:09:460
4889924711045,1302cyclictest17964-21diskmemload23:40:300
4889924411094,1256cyclictest14208-1kworker/u3:021:12:470
4889922661086,1083cyclictest9-21ksoftirqd/000:24:430
4889921681041,1093cyclictest3950irq/9-acpi23:07:300
4889920991078,897cyclictest30696-21ssh23:02:090
4889920821054,904cyclictest2099-21runrttasks22:11:140
488992065960,1067cyclictest6006-21ssh23:13:520
4889920331093,874cyclictest3950irq/9-acpi22:04:420
4889920231037,865cyclictest0-21swapper21:18:590
488991992950,995cyclictest18033-21ssh00:19:010
4889919851033,860cyclictest0-21swapper20:59:230
488991928935,968cyclictest11369-21ssh00:09:180
4889917311027,669cyclictest9-21ksoftirqd/022:31:200
4889915651042,431cyclictest9-21ksoftirqd/021:51:380
4889914911006,420cyclictest0-21swapper19:50:540
488991470706,760cyclictest0-21swapper23:33:180
32111255183,207sleep00-21swapper19:05:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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