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2026-06-21 - 09:52
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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 all highest latencies:
System rack6slot6 (updated Sun Jun 21, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
88999910667253395,53188cyclictest8891-21cyclictest21:37:150
88999910664953380,53147cyclictest0-21swapper22:47:260
88999910657953396,53118cyclictest0-21swapper23:16:140
88999910657753413,53072cyclictest0-21swapper00:01:370
88999910657553474,53101cyclictest0-21swapper20:09:400
88999910647753459,53018cyclictest0-21swapper20:31:060
88999910647653401,53075cyclictest0-21swapper20:12:410
88999910646753414,53053cyclictest0-21swapper22:54:180
88999910645553446,53009cyclictest0-21swapper20:51:320
88999910644953450,52999cyclictest0-21swapper22:59:090
88999910641353426,52987cyclictest0-21swapper19:24:570
88999910637453388,52893cyclictest0-21swapper20:39:590
88999910626053388,52808cyclictest0-21swapper19:34:000
88999910620153463,52738cyclictest0-21swapper20:00:380
88999910618753455,52732cyclictest0-21swapper19:53:050
88999910616853399,52769cyclictest0-21swapper20:47:110
88999910616453403,52761cyclictest0-21swapper23:58:260
88999910616153400,52761cyclictest0-21swapper19:47:240
88999910615153400,52751cyclictest0-21swapper22:29:000
88999910613753460,52677cyclictest0-21swapper20:29:460
88999910592753387,52526cyclictest0-21swapper23:37:000
88999910583753310,52527cyclictest0-21swapper23:22:360
88999910568153014,52665cyclictest7841-21ssh22:02:130
88999910533453082,52252cyclictest0-21swapper00:16:110
8899995394353378,500cyclictest0-21swapper21:49:090
8899995384853385,463cyclictest0-21swapper21:54:510
8899995379917,53685cyclictest4104-21diskmemload00:13:200
889999536849,0cyclictest0-21swapper21:30:540
8899995366853426,242cyclictest0-21swapper23:48:330
8899995365453407,184cyclictest9-1ksoftirqd/000:27:140
8899995356324,461cyclictest0-21swapper22:18:370
8899995354853397,151cyclictest0-21swapper21:08:470
8899995353626,0cyclictest0-21swapper23:01:300
8899995353127,53411cyclictest0-21swapper22:35:420
8899995351353470,43cyclictest0-21swapper21:04:260
8899995350653454,52cyclictest0-21swapper23:30:080
8899995343310,53329cyclictest0-21swapper19:39:110
8899995338227,53355cyclictest0-21swapper22:05:340
88999922191026,1097cyclictest9888-21kworker/0:200:38:480
88999922121051,1095cyclictest3950irq/9-acpi00:34:060
88999921521075,949cyclictest1907-21snmpd23:52:440
88999920731027,1012cyclictest0-21swapper21:20:000
8899992048998,1016cyclictest0-21swapper19:42:220
88999920241004,1020cyclictest0-21swapper19:26:080
8899992020981,1004cyclictest0-21swapper20:16:020
88999920151056,868cyclictest134850irq/9-eth021:56:010
88999920071089,793cyclictest22655-21ssh22:24:590
8899991995979,980cyclictest0-21swapper19:56:060
88999919871029,863cyclictest0-21swapper21:14:490
88999919701088,757cyclictest23615-21ssh23:13:530
88999919371038,777cyclictest0-21swapper20:40:290
88999919051034,776cyclictest0-21swapper20:21:340
88999918621027,710cyclictest4104-21diskmemload23:06:510
8899991845946,861cyclictest27303-21diskmemload00:06:480
88999918131093,595cyclictest17509-21ssh21:29:430
88999918061005,766cyclictest0-21swapper22:11:350
88999918021031,771cyclictest0-21swapper20:59:040
88999917681101,569cyclictest2099-21runrttasks21:21:310
88999916091088,429cyclictest0-21swapper22:42:240
88999916011020,544cyclictest29225-21ssh22:34:320
88999915021010,427cyclictest0-21swapper23:42:310
8899991495723,768cyclictest0-21swapper23:28:270
88999914611095,366cyclictest0-21swapper21:41:070
88999914141071,343cyclictest0-21swapper00:24:140
8899991083615,465cyclictest7387-21hwlatdetect-tra19:14:340
8899991014581,430cyclictest9193-21hwlatdetect-tra19:17:050
2133526713,13sleep021618-21hwlatdetect-tra19:06:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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