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2025-07-01 - 05:28
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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 01, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
92029910713153423,53615cyclictest0-21swapper00:05:480
92029910687853470,53284cyclictest31271-21ssh23:53:540
92029910679653473,53228cyclictest29813-21ssh22:22:280
92029910673253415,53221cyclictest2103-21runrttasks23:11:520
92029910660753356,53216cyclictest921-21ssh23:55:550
92029910659653375,53127cyclictest3950irq/9-acpi21:23:210
92029910655553384,53103cyclictest3950irq/9-acpi21:35:540
92029910653153436,53095cyclictest0-21swapper19:22:360
92029910650953416,53093cyclictest0-21swapper20:18:320
92029910649453469,53025cyclictest0-21swapper20:52:020
92029910649053390,53036cyclictest0-21swapper19:57:060
92029910648453461,53023cyclictest0-21swapper20:47:310
92029910645853449,53009cyclictest0-21swapper22:11:150
92029910644953403,53046cyclictest0-21swapper23:18:040
92029910644953402,53047cyclictest0-21swapper21:46:580
92029910643453440,52994cyclictest0-21swapper22:26:090
92029910642053415,53005cyclictest0-21swapper00:38:470
92029910641553429,52986cyclictest0-21swapper23:44:110
92029910631753433,52819cyclictest9-21ksoftirqd/019:46:130
92029910629053477,52813cyclictest0-21swapper20:23:030
92029910622153478,52743cyclictest0-21swapper20:39:280
92029910621753476,52741cyclictest0-21swapper19:37:300
92029910620553465,52740cyclictest0-21swapper19:44:120
92029910615153440,52711cyclictest0-21swapper21:01:250
92029910614553440,52705cyclictest0-21swapper19:32:190
92029910613253430,52702cyclictest0-21swapper20:59:240
92029910585352942,52909cyclictest19371-21ssh00:23:130
92029910579553315,52477cyclictest0-21swapper20:06:090
92029910570153067,52631cyclictest17332-21sh23:34:590
92029910519552913,52280cyclictest22058-21ssh22:55:370
92029910511953029,52088cyclictest0-21swapper21:53:400
92029910502752932,52093cyclictest0-21swapper00:25:230
92029910500952901,52106cyclictest0-21swapper23:00:590
9202995387526,53724cyclictest16311-21ssh22:04:430
9202995357926,53461cyclictest0-21swapper22:18:470
9202995350726,0cyclictest0-21swapper00:03:570
9202995348726,53461cyclictest0-21swapper20:28:550
9202995347227,0cyclictest0-21swapper23:09:110
9202995327127,0cyclictest0-21swapper20:41:090
9202995321916,53199cyclictest0-21swapper21:56:000
9202995306426,53038cyclictest0-21swapper19:26:470
920299530538,53042cyclictest16410-21ssh22:48:450
9202995302125,52905cyclictest9-21ksoftirqd/020:11:100
9202995278725,52762cyclictest0-21swapper20:34:570
92029924741051,1297cyclictest8528-21diskmemload21:33:340
92029922991078,1128cyclictest4109-21kworker/u2:322:43:540
92029921441039,1071cyclictest29418-1kworker/u3:123:20:450
92029920911043,1027cyclictest0-21swapper00:19:110
92029920701069,904cyclictest1744-21hald21:08:270
92029920401087,888cyclictest5350irq/9-uhci_hcd:21:16:490
9202992015987,1008cyclictest0-21swapper00:32:450
92029919201009,861cyclictest8528-21diskmemload21:10:170
9202991914924,954cyclictest11985-21ssh23:26:360
92029918501078,681cyclictest9-21ksoftirqd/021:29:120
9202991806970,799cyclictest1455-21ssh21:44:470
92029917151007,612cyclictest2103-21runrttasks20:00:070
92029917131076,516cyclictest8528-21diskmemload00:10:290
92029916901070,620cyclictest0-21swapper22:35:010
92029916741063,611cyclictest0-21swapper22:51:160
92029915561085,471cyclictest0-21swapper23:47:020
9202991548942,571cyclictest19995-21ssh22:09:440
9202991498938,536cyclictest5423-21ssh22:33:410
9202991483664,811cyclictest0-21swapper23:35:090
92029914631094,369cyclictest0-21swapper19:51:240
9202991209617,589cyclictest22373-21hwlatdetect-tra19:15:440
9202991153592,557cyclictest11707-21grep19:12:330
1043122390,1sleep010432-21hwlatdetect-tra19:08:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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