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2026-05-08 - 06:12
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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 50 highest latencies:
System rack6slot6 (updated Fri May 08, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298269910696153420,53449cyclictest0-21swapper22:26:460
298269910669653471,53104cyclictest10721-21rm23:20:510
298269910667853424,53162cyclictest0-21swapper21:08:230
298269910666153466,53131cyclictest9-21ksoftirqd/023:54:110
298269910654653386,53094cyclictest0-21swapper19:59:440
298269910651453476,53038cyclictest0-21swapper22:16:330
298269910650953432,53077cyclictest0-21swapper20:18:390
298269910650053472,53028cyclictest0-21swapper23:47:390
298269910649253467,53025cyclictest0-21swapper23:33:350
298269910644653397,53049cyclictest0-21swapper21:19:060
298269910644553467,52978cyclictest0-21swapper20:26:310
298269910644553437,53008cyclictest0-21swapper23:28:040
298269910644153400,53041cyclictest0-21swapper19:48:100
298269910643753458,52979cyclictest0-21swapper23:41:480
298269910639153444,52852cyclictest17273-21ssh00:16:580
298269910637253465,52845cyclictest9-21ksoftirqd/021:03:020
298269910633653151,53182cyclictest0-21swapper19:17:510
298269910631753462,52855cyclictest0-21swapper20:55:400
298269910626453409,52855cyclictest0-21swapper20:47:470
298269910623853412,52826cyclictest0-21swapper20:10:470
298269910621753476,52741cyclictest0-21swapper20:39:450
298269910621153413,52798cyclictest0-21swapper21:48:450
298269910620253471,52731cyclictest0-21swapper20:04:350
298269910620153424,52777cyclictest0-21swapper20:24:210
298269910619153478,52713cyclictest0-21swapper19:41:080
298269910618053455,52725cyclictest0-21swapper23:39:470
298269910617453451,52723cyclictest0-21swapper19:39:580
298269910617353457,52716cyclictest0-21swapper21:42:230
298269910612053413,52707cyclictest0-21swapper20:54:390
298269910576553293,52472cyclictest0-21swapper21:52:260
298269910546853174,52294cyclictest0-21swapper00:39:140
298269910534753064,52281cyclictest134850irq/9-eth000:23:400
298269910514653041,52100cyclictest0-21swapper23:58:020
298269910509553014,52079cyclictest0-21swapper21:30:000
298269910502052920,52098cyclictest0-21swapper23:11:290
29826995365426,53509cyclictest0-21swapper21:10:340
29826995334724,53255cyclictest0-21swapper22:13:020
29826995308927,53062cyclictest0-21swapper00:12:560
29826995298028,0cyclictest0-21swapper21:36:310
29826995283525,52810cyclictest0-21swapper19:12:400
298269925121087,1326cyclictest2099-21runrttasks22:57:250
298269924631081,1256cyclictest32502-21runrttasks20:34:030
298269924511044,1281cyclictest24615-21ssh00:27:410
298269924141028,1261cyclictest14889-21diskmemload22:42:300
298269923431091,1154cyclictest8510-21ssh22:32:070
298269922971068,1103cyclictest1910-21ssh22:23:150
298269922841052,1111cyclictest0-21swapper19:33:460
298269921821044,1043cyclictest0-21swapper21:24:580
298269920861019,1032cyclictest0-21swapper22:52:230
29826992016994,976cyclictest0-21swapper23:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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