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2025-11-10 - 09:55
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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 Mon Nov 10, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
220779910718953451,53646cyclictest3950irq/9-acpi21:44:590
220779910697553443,53467cyclictest9-21ksoftirqd/019:56:480
220779910659653414,53092cyclictest9-21ksoftirqd/019:52:570
220779910657353388,53120cyclictest0-21swapper00:00:080
220779910649653473,52927cyclictest2803-21gnome-power-man21:09:590
220779910649553408,53087cyclictest0-21swapper20:26:160
220779910649353438,53055cyclictest0-21swapper21:54:220
220779910648153464,53017cyclictest0-21swapper22:24:200
220779910648053463,53017cyclictest0-21swapper19:27:290
220779910646553451,53014cyclictest0-21swapper21:23:330
220779910645853395,53063cyclictest0-21swapper19:23:280
220779910644453440,53004cyclictest0-21swapper00:34:280
220779910637253457,52849cyclictest0-21swapper19:36:220
220779910622953478,52751cyclictest0-21swapper20:33:380
220779910621853472,52746cyclictest0-21swapper20:02:190
220779910621353469,52744cyclictest0-21swapper20:09:210
220779910621353469,52744cyclictest0-21swapper00:21:440
220779910620553468,52737cyclictest0-21swapper20:18:440
220779910620553423,52782cyclictest0-21swapper20:24:260
220779910620353469,52734cyclictest0-21swapper20:39:200
220779910618153458,52723cyclictest0-21swapper19:10:550
220779910616253403,52759cyclictest0-21swapper23:01:210
220779910615753401,52756cyclictest0-21swapper20:11:220
220779910614353054,53087cyclictest0-21swapper22:26:010
220779910614253436,52706cyclictest0-21swapper19:31:510
220779910614053437,52703cyclictest0-21swapper23:52:260
220779910604152977,53062cyclictest0-21swapper22:53:290
220779910601752936,53076cyclictest0-21swapper21:55:520
220779910599852916,53080cyclictest0-21swapper23:11:140
220779910592852973,52953cyclictest21334-21ssh21:28:340
220779910580353284,52519cyclictest0-21swapper23:34:210
220779910570652966,52737cyclictest16248-21ssh22:04:450
220779910566753044,52621cyclictest23408-21ssh22:55:590
220779910517353055,52115cyclictest0-21swapper21:13:400
220779910516553055,52108cyclictest0-21swapper22:12:570
220779910515153047,52099cyclictest0-21swapper21:03:470
220779910513553037,52096cyclictest0-21swapper21:46:500
220779910513552972,52160cyclictest11-21rcu_preempt22:42:360
220779910512853030,52096cyclictest0-21swapper00:38:290
220779910506052977,52081cyclictest0-21swapper21:17:210
220779910505652952,52102cyclictest0-21swapper00:11:510
220779910502852929,52097cyclictest0-21swapper23:28:290
220779910501152914,52095cyclictest0-21swapper23:43:130
220779910500452906,52096cyclictest0-21swapper21:36:470
22077995316727,53140cyclictest0-21swapper19:44:040
22077995313025,53010cyclictest0-21swapper19:16:560
22077995301125,52921cyclictest0-21swapper20:45:520
220779949482692,2253cyclictest1744-21hald22:18:090
220779921191082,970cyclictest24258-1kworker/u3:000:06:500
22077992033992,1003cyclictest9151-21ssh22:37:340
220779920131016,976cyclictest0-21swapper20:53:340
220779919981039,863cyclictest0-21swapper20:57:450
220779919661024,851cyclictest0-21swapper23:18:260
220779919541026,891cyclictest1911-21snmpd19:45:040
220779919521022,897cyclictest3016-21ssh22:30:020
220779919171040,781cyclictest0-21swapper20:43:010
220779918621000,823cyclictest1911-21snmpd23:58:580
22077991744910,810cyclictest25823-21ssh00:25:250
220779916871022,665cyclictest0-21swapper22:49:380
22077991618802,805cyclictest22367-21ssh23:37:510
22077991616797,811cyclictest0-21swapper00:16:130
220779915631029,443cyclictest9-21ksoftirqd/022:09:460
220779915551049,439cyclictest0-21swapper21:31:350
22077991532718,806cyclictest0-21swapper23:21:370
220779914671069,398cyclictest0-21swapper23:49:150
220779914251036,389cyclictest0-21swapper23:08:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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