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2026-01-03 - 13:42
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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 Sat Jan 03, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73979910697853413,53474cyclictest0-21swapper20:33:010
73979910675853418,53249cyclictest0-21swapper21:11:220
73979910674353410,53242cyclictest0-21swapper20:56:480
73979910670753430,53212cyclictest246532sleep019:30:530
73979910668053380,53238cyclictest9-21ksoftirqd/000:14:550
73979910659053465,53125cyclictest0-21swapper19:51:090
73979910653153456,53075cyclictest0-21swapper22:11:190
73979910647253383,53023cyclictest0-21swapper19:59:010
73979910644853402,53046cyclictest0-21swapper23:59:510
73979910644053395,53045cyclictest0-21swapper00:30:090
73979910642153436,52985cyclictest0-21swapper22:34:160
73979910633753427,52845cyclictest9-21ksoftirqd/021:31:380
73979910632953397,52841cyclictest0-21swapper20:42:140
73979910616653404,52762cyclictest0-21swapper20:16:160
73979910605953374,52685cyclictest0-21swapper22:17:310
73979910601052943,53062cyclictest0-21swapper19:49:490
73979910598752954,53031cyclictest0-21swapper20:39:330
73979910579553301,52494cyclictest0-21swapper19:23:010
73979910519253011,52179cyclictest14171-21ssh23:02:240
73979910515653058,52096cyclictest0-21swapper19:39:460
73979910511153028,52081cyclictest0-21swapper20:23:480
73979910505652959,52095cyclictest0-21swapper21:59:360
73979910503752949,52086cyclictest0-21swapper22:08:490
73979910501552901,52112cyclictest0-21swapper00:16:350
73979910496252910,52050cyclictest0-21swapper21:46:520
7397995366210,53585cyclictest0-21swapper00:03:320
7397995364024,53616cyclictest0-21swapper22:52:010
7397995362927,53509cyclictest0-21swapper23:08:560
7397995342326,53397cyclictest0-21swapper22:45:390
7397995315327,53126cyclictest0-21swapper19:28:320
739799531038,53093cyclictest0-21swapper23:35:030
7397995307525,53050cyclictest0-21swapper20:14:260
7397995307025,53045cyclictest0-21swapper20:54:270
739799530668,6cyclictest0-21swapper23:41:250
73979925401084,1333cyclictest32468-21diskmemload22:59:430
73979924241046,1251cyclictest9-21ksoftirqd/000:26:480
73979922461023,1096cyclictest20803-21ssh23:11:470
7397992225988,1188cyclictest3950irq/9-acpi00:08:530
73979922081035,1107cyclictest10674-1kworker/u3:221:35:190
73979921771019,1119cyclictest30736-21sh21:53:440
73979920581036,988cyclictest0-21swapper19:44:370
73979920331008,931cyclictest0-21swapper20:08:340
73979920061015,958cyclictest3950irq/9-acpi00:23:170
73979919621019,851cyclictest0-21swapper22:43:390
7397991923952,947cyclictest17692-21ssh23:54:390
73979919141024,856cyclictest3950irq/9-acpi23:26:410
73979919061037,778cyclictest0-21swapper20:45:450
7397991813943,836cyclictest0-21swapper22:23:130
73979918131041,645cyclictest2277-21Xorg20:03:020
7397991787874,897cyclictest28750-21ssh22:36:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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