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2026-03-25 - 04:06
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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, lowest P state: performance
Characteristics of the 792 highest latencies:
System rack6slot5.osadl.org (updated Wed Mar 25, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
739099104495366,5073cyclictest7635-21kworker/0:119:23:260
73909998775270,4602cyclictest14033-21kworker/0:019:27:240
73909997965229,4562cyclictest30083-21kworker/0:020:23:580
73909997395197,4530cyclictest30083-21kworker/0:021:00:460
73909991234710,4408cyclictest30083-21kworker/0:020:08:390
73909991144698,4405cyclictest7635-21kworker/0:119:19:410
73909989874634,4343cyclictest30083-21kworker/0:020:39:390
73909989694608,4350cyclictest30083-21kworker/0:021:11:230
73909989334609,4312cyclictest18900-21kworker/0:219:58:320
73909989094487,4411cyclictest30921-21kworker/0:121:47:060
73909988934590,4292cyclictest18900-21kworker/0:219:48:420
73909988244416,4348cyclictest30083-21kworker/0:020:59:100
73909987294356,4321cyclictest18900-21kworker/0:220:02:080
73909987264505,4209cyclictest30083-21kworker/0:020:29:110
73909983344257,4025cyclictest8743-21kworker/0:222:49:220
73909978114200,3596cyclictest18900-21kworker/0:219:42:380
73909977714069,3672cyclictest8743-21kworker/0:221:56:230
73909977044047,3606cyclictest8743-21kworker/0:222:33:500
73909977024144,3506cyclictest18900-21kworker/0:219:52:060
73909975284069,3408cyclictest30083-21kworker/0:020:43:310
73909974733867,3583cyclictest22944-21kworker/0:121:18:500
73909974603780,3638cyclictest8743-21kworker/0:222:08:490
73909974543841,3590cyclictest13961-21kworker/0:100:00:280
73909974033988,3364cyclictest14033-21kworker/0:019:33:470
73909973844007,3362cyclictest30083-21kworker/0:020:12:150
73909972073651,3541cyclictest13961-21kworker/0:100:08:540
73909969163678,3227cyclictest14033-21kworker/0:019:35:160
73909968343763,3066cyclictest30083-21kworker/0:020:18:550
73909967783484,3280cyclictest22944-21kworker/0:121:23:550
73909967153694,3010cyclictest30083-21kworker/0:020:50:040
73909966193615,2953cyclictest30083-21kworker/0:020:48:390
73909966133658,2952cyclictest7635-21kworker/0:119:13:150
73909965763327,3206cyclictest30083-21kworker/0:021:09:490
73909965283460,3054cyclictest8743-21kworker/0:221:52:240
73909964923370,3108cyclictest8743-21kworker/0:222:28:030
73909964913377,3100cyclictest8743-21kworker/0:222:19:440
73909964303527,2888cyclictest30083-21kworker/0:020:33:040
73909964083280,3077cyclictest8743-21kworker/0:222:02:010
73909963103466,2829cyclictest30921-21kworker/0:121:37:170
73909963003394,2895cyclictest28342-21kworker/0:221:25:300
73909960613165,2880cyclictest8743-21kworker/0:222:11:250
73909959933191,2751cyclictest8743-21kworker/0:222:41:560
73909956642927,2677cyclictest30921-21kworker/0:121:30:540
73909945212279,2227cyclictest30921-21kworker/0:121:40:260
73909941694114,42cyclictest8743-21kworker/0:222:36:120
71692837184,203sleep00-21swapper19:08:490
73909941846,88cyclictest20508-21diskmemload22:21:300
73909927826,223cyclictest20508-21diskmemload23:59:350
73909927332,58cyclictest3584-19ntpd00:19:050
73909927217,240cyclictest20508-21diskmemload23:42:130
73909927119,238cyclictest2526-21ssh23:37:560
73909927119,238cyclictest20508-21diskmemload22:55:180
73909927118,239cyclictest4272-21snmpd00:39:270
73909926833,204cyclictest9105-21ssh23:49:530
73909926817,238cyclictest20508-21diskmemload00:24:020
73909926631,205cyclictest31450-21ssh23:31:000
73909926513,238cyclictest15307-21ssh23:04:430
73909926424,227cyclictest6641-1kworker/u3:023:24:230
73909926422,58cyclictest11316-21ssh23:52:530
73909925817,228cyclictest20420-21ssh23:12:380
73909925522,203cyclictest20508-21diskmemload00:34:520
73909925225,198cyclictest0-21swapper00:27:590
73909925121,217cyclictest29003-21ssh23:27:230
73909925023,42cyclictest22731-21ssh23:15:480
73909924621,218cyclictest9219-21ssh22:53:550
73909923823,201cyclictest17136-21ssh23:06:280
73909923820,205cyclictest20508-21diskmemload00:12:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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