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2026-06-02 - 10:35
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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 Jun 02, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84239910753253463,53947cyclictest14889-21rm22:25:570
84239910694553460,53421cyclictest9-21ksoftirqd/023:02:370
84239910669553475,53096cyclictest4344-21ssh22:10:420
84239910652053477,53043cyclictest0-21swapper19:47:310
84239910649953447,52988cyclictest9-21ksoftirqd/022:16:440
84239910647653416,53060cyclictest0-21swapper23:24:140
84239910647653415,53061cyclictest0-21swapper20:34:250
84239910647453402,53072cyclictest0-21swapper19:52:430
84239910647353414,53059cyclictest0-21swapper00:08:060
84239910647053457,53013cyclictest0-21swapper22:21:250
84239910644553447,52998cyclictest0-21swapper22:53:350
84239910643953394,53045cyclictest0-21swapper00:28:120
84239910642953392,53037cyclictest0-21swapper19:27:450
84239910636953458,52848cyclictest8419-21cyclictest22:07:210
84239910636253434,52928cyclictest0-21swapper22:49:240
84239910631653413,52903cyclictest0-21swapper23:11:400
84239910625353479,52774cyclictest0-21swapper22:44:520
84239910623153439,52792cyclictest0-21swapper23:57:030
84239910617253440,52732cyclictest0-21swapper20:42:170
84239910616553429,52698cyclictest0-21swapper00:37:150
84239910560452946,52655cyclictest25797-21diskmemload00:23:000
84239910555152908,52640cyclictest11804-21rm23:09:190
84239910539053026,52361cyclictest25797-21diskmemload22:37:200
84239910518253064,52112cyclictest0-21swapper22:00:390
84239910503752943,52092cyclictest0-21swapper20:46:580
842399531128,53102cyclictest0-21swapper00:04:250
8423995304725,53022cyclictest0-21swapper20:06:570
8423995303926,52921cyclictest0-21swapper21:48:360
8423995280330,52773cyclictest0-21swapper20:20:310
8423995278927,52762cyclictest0-21swapper19:17:120
84239924651075,1264cyclictest9353-21ssh23:51:410
84239924301060,1271cyclictest17698-21ssh23:17:110
84239924221069,1255cyclictest9197-21ssh21:31:210
84239924001043,1232cyclictest27921-21ssh23:31:560
84239923701030,1215cyclictest4889-21ssh22:59:160
84239922881087,1078cyclictest24060-21ssh23:26:040
84239922831035,1154cyclictest0-21swapper00:11:270
84239922791029,1157cyclictest3950irq/9-acpi23:47:500
84239922731079,1099cyclictest0-21swapper20:59:320
8423992217996,1130cyclictest31873-21kworker/0:121:19:380
84239921681025,1099cyclictest134850irq/9-eth022:34:190
84239920791083,869cyclictest26978-21ssh21:57:180
84239920281019,959cyclictest3791-21sh21:24:390
84239919881033,862cyclictest0-21swapper19:10:400
84239919361039,804cyclictest0-21swapper20:00:450
84239918321067,671cyclictest0-21swapper21:02:530
84239917921058,610cyclictest2099-21runrttasks21:27:000
84239917471095,652cyclictest0-21swapper23:40:380
84239917421035,616cyclictest15111-21kworker/0:321:13:160
84239917301043,590cyclictest2099-21runrttasks19:57:340
8423991709944,732cyclictest134850irq/9-eth000:15:180
84239916761093,583cyclictest0-21swapper21:08:440
84239916731091,582cyclictest0-21swapper21:40:540
84239916731091,582cyclictest0-21swapper20:35:250
84239916621093,477cyclictest8419-21cyclictest19:32:470
84239916601010,558cyclictest9-21ksoftirqd/021:35:320
84239916361074,562cyclictest0-21swapper20:50:590
84239916331084,459cyclictest10-21rcuc/019:23:240
84239915661018,534cyclictest8419-21cyclictest20:13:180
84239915461011,467cyclictest0-21swapper19:35:580
8423991534760,770cyclictest0-21swapper19:42:100
8423991523699,821cyclictest0-21swapper23:39:180
84239914581096,362cyclictest0-21swapper20:26:220
8423991440927,334cyclictest23989-21ssh21:53:170
84239914331081,352cyclictest0-21swapper20:18:500
84239913781043,335cyclictest0-21swapper00:34:140
7625255087,207sleep00-21swapper19:06:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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