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2026-04-15 - 06:01
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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 Wed Apr 15, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43609910691953468,53352cyclictest30222-21ssh00:31:410
43609910689753471,53331cyclictest21652-21diskmemload22:29:260
43609910665653429,53136cyclictest10-21rcuc/023:59:120
43609910661053431,53090cyclictest9-21ksoftirqd/023:48:190
43609910659153447,53144cyclictest0-21swapper22:21:240
43609910655653471,53085cyclictest0-21swapper22:35:480
43609910653753398,53139cyclictest0-21swapper20:47:370
43609910653553425,53110cyclictest0-21swapper23:10:080
43609910650453473,53031cyclictest0-21swapper21:59:470
43609910649953468,53031cyclictest0-21swapper22:57:140
43609910648953464,53025cyclictest0-21swapper00:21:380
43609910648753466,53021cyclictest0-21swapper19:44:590
43609910648553406,53079cyclictest0-21swapper00:05:030
43609910648153464,53017cyclictest0-21swapper23:52:100
43609910648053460,53020cyclictest0-21swapper22:52:230
43609910647453454,53020cyclictest0-21swapper21:35:300
43609910647053474,52996cyclictest0-21swapper19:16:400
43609910645753447,53010cyclictest0-21swapper22:47:210
43609910645753406,53051cyclictest0-21swapper22:16:220
43609910644753443,53004cyclictest0-21swapper23:39:260
43609910644653472,52974cyclictest0-21swapper19:54:010
43609910642253427,52995cyclictest0-21swapper23:03:160
43609910642253426,52906cyclictest9-21ksoftirqd/022:13:210
43609910641853463,52955cyclictest0-21swapper19:45:490
43609910640953428,52981cyclictest0-21swapper21:06:020
43609910637953440,52939cyclictest0-21swapper23:09:170
43609910625053401,52849cyclictest0-21swapper19:12:590
43609910621353474,52739cyclictest0-21swapper19:24:430
43609910620753467,52740cyclictest0-21swapper21:14:440
43609910620053468,52732cyclictest0-21swapper19:38:170
43609910616853407,52761cyclictest0-21swapper00:37:430
43609910616553392,52773cyclictest0-21swapper23:42:170
43609910614853438,52710cyclictest0-21swapper20:34:330
43609910613553389,52746cyclictest0-21swapper20:11:260
43609910612353423,52700cyclictest0-21swapper21:34:100
43609910612153422,52699cyclictest0-21swapper21:04:310
43609910534953071,52278cyclictest0-21swapper22:32:570
43609910511953024,52090cyclictest0-21swapper22:01:180
43609910500852897,52109cyclictest0-21swapper00:19:480
4360995390826,0cyclictest10391-21rm00:02:330
4360995381226,53692cyclictest3950irq/9-acpi21:52:050
4360995355753429,38cyclictest0-21swapper20:17:280
4360995342928,53308cyclictest134850irq/9-eth021:44:130
4360995322925,53110cyclictest0-21swapper20:22:390
4360995322627,53199cyclictest0-21swapper20:06:250
4360995321425,465cyclictest0-21swapper20:52:280
4360995315927,0cyclictest0-21swapper20:26:000
4360995305627,53029cyclictest0-21swapper22:07:500
4360995278426,52758cyclictest0-21swapper20:39:140
4360992191944,1152cyclictest24454-21kworker/0:200:25:390
43609921281037,1000cyclictest140350irq/7-b4321:29:090
43609920611018,1010cyclictest0-21swapper22:40:090
43609920571027,1009cyclictest0-21swapper20:57:490
43609920311060,877cyclictest17181-21kworker/u2:021:17:350
43609920271038,869cyclictest0-21swapper21:46:440
43609920121062,883cyclictest134850irq/9-eth023:25:020
43609919871032,861cyclictest0-21swapper20:03:540
43609919771018,867cyclictest3950irq/9-acpi19:26:230
43609919631022,848cyclictest0-21swapper00:12:160
43609918981034,770cyclictest0-21swapper23:21:310
4360991888915,949cyclictest11807-21ssh23:16:500
4360991822974,828cyclictest3950irq/9-acpi21:23:470
4360991641993,641cyclictest0-21swapper23:34:450
43609916391049,590cyclictest0-21swapper19:32:350
43609916141054,469cyclictest13805-21kworker/0:219:57:220
43609915021010,426cyclictest0-21swapper20:41:550
3572257176,239sleep00-21swapper19:06:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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