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2026-07-08 - 07:25
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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 376 highest latencies:
System rack6slot6 (updated Wed Jul 08, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
175299910749353458,53939cyclictest15252-21ssh21:27:570
175299910724153456,53688cyclictest4111-21ssh21:11:020
175299910673553406,53264cyclictest0-21swapper19:49:390
175299910670753428,53279cyclictest0-21swapper19:41:260
175299910665353404,53249cyclictest0-21swapper20:50:060
175299910664153465,53113cyclictest17528-21cyclictest22:43:590
175299910659953475,53124cyclictest0-21swapper00:18:560
175299910658353452,53066cyclictest9-21ksoftirqd/019:14:090
175299910656753445,53030cyclictest0-21swapper00:03:220
175299910650353474,53029cyclictest0-21swapper19:59:520
175299910649353464,53029cyclictest0-21swapper23:44:060
175299910649253469,53023cyclictest0-21swapper22:03:470
175299910649153453,53038cyclictest0-21swapper20:55:280
175299910648553473,53012cyclictest0-21swapper21:57:560
175299910648253456,53026cyclictest0-21swapper00:36:520
175299910646653471,52904cyclictest22262-21kworker/0:021:39:510
175299910646353408,53055cyclictest0-21swapper22:46:500
175299910644853446,53002cyclictest0-21swapper22:59:340
175299910644753433,53014cyclictest0-21swapper19:39:160
175299910643853398,53040cyclictest0-21swapper23:13:480
175299910642053432,52988cyclictest0-21swapper21:49:230
175299910641353427,52986cyclictest0-21swapper00:05:430
175299910639453419,52975cyclictest0-21swapper00:22:170
175299910624853444,52741cyclictest0-21swapper21:04:400
175299910622853477,52751cyclictest0-21swapper20:46:550
175299910622653479,52747cyclictest0-21swapper20:05:030
175299910620753458,52749cyclictest0-21swapper20:28:400
175299910618153456,52725cyclictest0-21swapper22:14:000
175299910582253381,52437cyclictest0-21swapper20:14:360
175299910574553282,52463cyclictest0-21swapper20:04:430
175299910516153044,52114cyclictest706-21sh21:54:550
175299910513453041,52091cyclictest0-21swapper00:31:500
17529995396853378,526cyclictest0-21swapper20:19:580
17529995365326,0cyclictest0-21swapper00:12:450
17529995344827,382cyclictest0-21swapper21:19:250
17529995341326,53295cyclictest0-21swapper21:06:010
17529995319826,0cyclictest0-21swapper20:36:120
175299921081044,1030cyclictest0-21swapper23:45:070
175299921011004,1062cyclictest0-21swapper22:39:280
175299920611001,1025cyclictest0-21swapper23:09:260
17529992050969,1047cyclictest0-21swapper22:23:430
175299920451010,997cyclictest9375-21ssh22:54:320
17529992043995,1014cyclictest0-21swapper23:53:290
175299920371075,865cyclictest6513-21ssh23:36:440
175299920291002,1005cyclictest0-21swapper21:32:380
175299920251002,1002cyclictest0-21swapper22:09:390
17529992004983,1001cyclictest0-21swapper19:18:000
175299920021002,963cyclictest2099-21runrttasks20:21:480
175299919971023,937cyclictest32349-21ssh23:27:320
175299919671038,835cyclictest0-21swapper19:31:130
17529991930939,977cyclictest0-21swapper19:52:300
17529991928930,983cyclictest0-21swapper20:41:340
17529991924889,1021cyclictest0-21swapper20:33:310
17529991912921,956cyclictest0-21swapper23:57:200
175299919111043,830cyclictest1907-21snmpd22:26:440
17529991826931,879cyclictest26822-21munin-node23:20:090
17529991819931,864cyclictest15086-21ssh23:02:040
175299917561098,592cyclictest3950irq/9-acpi23:32:530
175299917421093,649cyclictest0-21swapper22:17:210
175299916911045,612cyclictest134850irq/9-eth021:44:420
175299916481061,587cyclictest0-21swapper19:24:320
175299916411082,435cyclictest8165-21ssh00:26:290
17529991604993,573cyclictest27606-21ssh22:33:360
175299915891055,467cyclictest0-21swapper21:23:460
175299914621098,364cyclictest0-21swapper19:25:420
175299914501087,363cyclictest0-21swapper23:16:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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