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2026-04-26 - 02:15
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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 Sun Apr 26, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287469910697153414,53461cyclictest12846-21diskmemload23:25:450
287469910683553392,53353cyclictest28738-21cyclictest19:47:020
287469910675253414,53247cyclictest0-21swapper23:17:430
287469910669253485,53111cyclictest14539-21ssh21:59:000
287469910667153451,53220cyclictest0-21swapper19:58:250
287469910666953449,53220cyclictest0-21swapper00:21:510
287469910656353429,53069cyclictest0-21swapper00:00:350
287469910655953457,53011cyclictest9-21ksoftirqd/021:51:180
287469910655253393,53095cyclictest9-21ksoftirqd/023:54:440
287469910652953429,53004cyclictest32305-21ssh23:58:250
287469910649653470,53026cyclictest0-21swapper23:37:190
287469910649253467,53025cyclictest0-21swapper00:06:170
287469910647453417,53057cyclictest0-21swapper21:06:350
287469910644053396,53044cyclictest0-21swapper23:08:100
287469910638653385,52936cyclictest0-21swapper20:19:520
287469910636453437,52927cyclictest0-21swapper20:20:020
287469910635653377,52914cyclictest0-21swapper20:34:360
287469910628853406,52882cyclictest0-21swapper19:39:400
287469910626953396,52873cyclictest0-21swapper19:51:440
287469910620353472,52731cyclictest0-21swapper19:34:290
287469910618753460,52727cyclictest0-21swapper21:30:520
287469910612253423,52699cyclictest0-21swapper23:41:500
287469910612253423,52699cyclictest0-21swapper19:25:560
287469910610753419,52688cyclictest0-21swapper00:34:450
287469910558753117,52459cyclictest12846-21diskmemload22:32:200
287469910534553063,52282cyclictest0-21swapper22:37:410
287469910521253078,52133cyclictest0-21swapper00:35:350
287469910502052931,52084cyclictest0-21swapper21:35:230
28746995359027,53563cyclictest0-21swapper22:24:480
28746995343624,53412cyclictest0-21swapper20:13:000
28746995331424,53223cyclictest0-21swapper21:18:490
28746995310626,322cyclictest0-21swapper21:10:060
28746995310126,53075cyclictest0-21swapper22:43:130
28746995308727,53060cyclictest0-21swapper22:06:220
28746995297826,52952cyclictest0-21swapper21:03:540
28746995294252928,12cyclictest10083-21ssh00:12:590
287469924221079,1250cyclictest311-21jbd2/dm-0-820:40:280
287469924121070,1218cyclictest14063-21diskmemload23:31:170
287469923301043,1188cyclictest17241-21ssh22:02:210
287469923171089,1107cyclictest0-21swapper21:20:590
287469921661048,994cyclictest1907-21snmpd23:23:040
287469920831024,1019cyclictest2812-21ssh21:41:050
287469920521055,902cyclictest0-21swapper23:12:210
287469920431093,883cyclictest134850irq/9-eth023:45:210
287469920021069,807cyclictest2099-21runrttasks22:28:590
287469919361038,806cyclictest0-21swapper20:08:080
28746991928942,965cyclictest0-21swapper22:52:360
28746991910956,940cyclictest0-21swapper21:49:270
287469918581011,756cyclictest3950irq/9-acpi22:14:040
287469917991085,623cyclictest9-21ksoftirqd/020:27:540
28746991788898,864cyclictest24573-21ssh21:25:410
287469917801035,653cyclictest9-21ksoftirqd/020:39:370
287469917271090,637cyclictest0-21swapper22:47:540
287469917081032,585cyclictest28738-21cyclictest19:41:410
287469916741095,579cyclictest0-21swapper20:03:470
287469916611091,570cyclictest0-21swapper20:50:100
287469916601029,540cyclictest3950irq/9-acpi22:56:470
287469916581028,564cyclictest134850irq/9-eth000:17:100
28746991657993,631cyclictest134850irq/9-eth022:19:560
287469916541088,566cyclictest0-21swapper20:48:500
287469916531087,503cyclictest9-21ksoftirqd/000:28:130
287469915701046,524cyclictest0-21swapper19:22:050
287469915441081,399cyclictest28738-21cyclictest20:56:020
287469915231024,499cyclictest0-21swapper23:01:380
28746991147611,533cyclictest16472-21hwlatdetect-tra19:11:320
28746991137603,531cyclictest15668-21grep19:18:240
2298128119,34sleep023266-21hwlatdetect-tra19:09:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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