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2026-07-25 - 06:10
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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 100 highest latencies:
System rack6slot6 (updated Sat Jul 25, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5399910717753434,53652cyclictest0-21swapper23:14:120
5399910668753423,53173cyclictest0-21swapper20:35:160
5399910655253391,53096cyclictest0-21swapper21:59:300
5399910654853455,53027cyclictest0-21swapper21:40:150
5399910653853478,53060cyclictest0-21swapper23:44:010
5399910653453476,53058cyclictest0-21swapper22:40:420
5399910652253471,53051cyclictest0-21swapper23:52:230
5399910651753467,53050cyclictest0-21swapper23:09:310
5399910651053472,53038cyclictest0-21swapper19:29:370
5399910649153451,53040cyclictest0-21swapper20:19:320
5399910647653447,53029cyclictest0-21swapper22:10:440
5399910646253409,53053cyclictest0-21swapper21:46:570
5399910644953401,53048cyclictest0-21swapper00:14:490
5399910644453400,53044cyclictest0-21swapper00:16:300
5399910644153396,53045cyclictest0-21swapper21:28:110
5399910643353435,52998cyclictest0-21swapper19:40:400
5399910630953411,52898cyclictest0-21swapper20:09:090
5399910621353469,52744cyclictest0-21swapper20:26:440
5399910621053471,52739cyclictest0-21swapper22:31:000
5399910620853452,52718cyclictest0-21swapper20:47:000
5399910619953466,52733cyclictest0-21swapper19:45:420
5399910618553416,52769cyclictest0-21swapper20:57:020
5399910618253414,52768cyclictest0-21swapper19:50:530
5399910617853411,52767cyclictest0-21swapper19:56:350
5399910615053397,52753cyclictest0-21swapper20:00:060
5399910614053433,52707cyclictest0-21swapper20:34:160
5399910609653024,53070cyclictest0-21swapper23:28:260
5399910590553401,52504cyclictest0-21swapper20:20:320
5399910531252907,52403cyclictest30809-21sh00:26:330
5399910512853030,52093cyclictest0-21swapper22:09:230
5399910492152869,52047cyclictest0-21swapper22:15:350
539995386853405,398cyclictest0-21swapper23:30:070
539995365053373,212cyclictest0-21swapper22:39:020
539995346253422,40cyclictest0-21swapper21:00:440
539995337128,0cyclictest0-21swapper22:59:380
539995326925,53150cyclictest0-21swapper20:54:420
5399923751079,1204cyclictest264142sleep021:10:260
5399923371066,1178cyclictest9-21ksoftirqd/022:28:590
5399923351069,1199cyclictest134850irq/9-eth023:59:450
5399922671093,1079cyclictest134850irq/9-eth023:37:490
5399922431036,1185cyclictest30776-21ssh22:51:250
5399921751052,1000cyclictest6764-21ssh00:39:470
539992120953,1133cyclictest0-21swapper21:51:380
5399921061014,968cyclictest27713-21ssh00:22:120
5399921001041,1025cyclictest0-21swapper21:24:400
5399920661025,1006cyclictest0-21swapper19:34:190
5399920411038,1003cyclictest0-21swapper19:38:200
539992028986,1007cyclictest0-21swapper21:17:380
5399920061029,883cyclictest0-21swapper22:21:070
5399919841032,859cyclictest0-21swapper23:15:520
539991979986,958cyclictest14799-21ssh00:03:360
539991974953,987cyclictest0-21swapper21:39:250
5399919741024,858cyclictest0-21swapper23:01:380
5399919711026,853cyclictest0-21swapper00:05:470
539991960944,981cyclictest0-21swapper20:12:300
5399919401007,913cyclictest0-21swapper00:33:250
5399918401077,636cyclictest28820-21ssh22:01:110
539991774928,826cyclictest0-21swapper23:24:050
5399917671040,727cyclictest0-21swapper21:31:320
539991578999,486cyclictest0-21swapper20:44:190
5399915761078,400cyclictest2099-21runrttasks21:09:160
539991523754,765cyclictest0-21swapper22:48:350
539991505700,795cyclictest0-21swapper23:46:010
539991149620,525cyclictest25327-21hwlatdetect-tra19:18:540
539991125610,512cyclictest15923-21hwlatdetect-tra19:11:120
539991080588,489cyclictest3818-21grep19:22:050
53999603595,6cyclictest644-21wc19:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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