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2025-11-25 - 16:17
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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 Tue Nov 25, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75509910720153447,53656cyclictest13069-21ssh10:22:500
75509910718853469,53629cyclictest9-21ksoftirqd/011:37:320
75509910691753463,53454cyclictest0-21swapper07:59:090
75509910688153395,53365cyclictest16921-21ssh11:13:150
75509910687153412,53439cyclictest0-21swapper11:22:470
75509910667053386,53220cyclictest5392-21kworker/0:309:29:450
75509910654253401,53141cyclictest0-21swapper07:15:260
75509910651453472,53042cyclictest0-21swapper08:16:240
75509910650453473,53031cyclictest0-21swapper11:41:330
75509910647953414,53065cyclictest0-21swapper11:54:170
75509910645453450,53004cyclictest0-21swapper08:50:240
75509910645053447,53003cyclictest0-21swapper11:17:260
75509910644953402,53047cyclictest0-21swapper12:12:020
75509910644553446,52999cyclictest0-21swapper10:16:380
75509910635653439,52917cyclictest0-21swapper08:43:520
75509910633253446,52823cyclictest9-21ksoftirqd/009:33:460
75509910630353412,52891cyclictest0-21swapper09:46:200
75509910620553469,52736cyclictest0-21swapper08:26:370
75509910619053417,52773cyclictest0-21swapper08:02:100
75509910618253453,52729cyclictest0-21swapper12:38:390
75509910614553439,52706cyclictest0-21swapper08:39:300
75509910595753018,52936cyclictest28034-21ssh09:59:130
75509910581152943,52865cyclictest31059-21ssh12:17:330
75509910573452952,52780cyclictest31896-21ssh10:04:450
75509910547152976,52493cyclictest26865-21ssh10:41:460
75509910520053040,52157cyclictest2033-21ssh09:22:430
75509910519753052,52142cyclictest9466-21ssh12:32:170
75509910503652940,52094cyclictest0-21swapper12:00:580
7550995363028,53568cyclictest0-21swapper11:58:480
7550995353825,0cyclictest0-21swapper10:52:290
7550995321725,53100cyclictest9-21ksoftirqd/009:01:270
7550995295226,52835cyclictest3950irq/9-acpi11:32:200
75509925811025,1463cyclictest133750irq/9-eth010:49:380
75509924941096,1299cyclictest29807-21ssh09:15:410
75509923621077,1217cyclictest133750irq/9-eth011:08:430
75509922131056,1033cyclictest2103-21runrttasks11:46:040
75509921861061,1027cyclictest2103-21runrttasks12:23:250
75509921191026,970cyclictest26566-21ssh11:25:580
75509919931048,851cyclictest24751-21diskmemload10:27:210
75509919851036,915cyclictest0-21swapper10:39:550
75509919821030,859cyclictest0-21swapper07:14:560
75509919791058,797cyclictest2103-21runrttasks10:14:580
75509919581017,849cyclictest0-21swapper07:25:390
75509919081049,766cyclictest133750irq/9-eth009:52:010
75509918831092,697cyclictest15722-21kworker/0:209:44:590
75509918691077,700cyclictest9-21ksoftirqd/007:51:570
75509918531044,717cyclictest0-21swapper09:14:410
75509918341036,704cyclictest0-21swapper08:12:230
75509918311073,661cyclictest0-21swapper08:46:120
75509918161052,671cyclictest0-21swapper07:37:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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