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2026-03-19 - 03:22
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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 Thu Mar 19, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94219910665253456,53196cyclictest0-21swapper19:58:000
94219910661453410,53114cyclictest9-21ksoftirqd/023:44:250
94219910657653462,53114cyclictest0-21swapper22:42:270
94219910653953477,53062cyclictest0-21swapper23:07:250
94219910653653474,52970cyclictest9-21ksoftirqd/023:21:590
94219910649353475,53018cyclictest0-21swapper21:59:050
94219910648853473,53015cyclictest0-21swapper21:26:150
94219910647153439,53032cyclictest0-21swapper19:32:330
94219910644553402,53043cyclictest0-21swapper00:09:320
94219910643653436,53000cyclictest0-21swapper00:35:400
94219910642253433,52989cyclictest0-21swapper21:48:120
94219910641753426,52991cyclictest0-21swapper20:41:230
94219910641653172,53234cyclictest0-21swapper00:19:050
94219910641453430,52984cyclictest0-21swapper20:04:520
94219910641253469,52850cyclictest0-21swapper19:53:090
94219910640553427,52978cyclictest0-21swapper22:47:490
94219910640553421,52984cyclictest0-21swapper23:47:160
94219910634153124,53207cyclictest0-21swapper21:14:220
94219910624453446,52798cyclictest0-21swapper22:59:420
94219910620053463,52737cyclictest0-21swapper20:32:500
94219910619353469,52724cyclictest0-21swapper19:41:250
94219910618453454,52730cyclictest0-21swapper20:45:340
94219910616353402,52761cyclictest0-21swapper23:37:430
94219910615653400,52756cyclictest0-21swapper20:07:530
94219910613753444,52693cyclictest0-21swapper20:12:240
94219910612953451,52678cyclictest0-21swapper19:37:240
94219910612653427,52699cyclictest0-21swapper20:36:010
94219910572853267,52448cyclictest0-21swapper22:34:450
94219910557752955,52620cyclictest134850irq/9-eth021:31:070
9421995342027,53393cyclictest0-21swapper21:52:330
9421995337927,53258cyclictest0-21swapper23:54:580
9421995333830,0cyclictest0-21swapper21:01:380
9421995330215,53276cyclictest0-21swapper00:14:140
9421995319225,411cyclictest0-21swapper20:25:580
9421995310625,53081cyclictest0-21swapper19:47:570
9421995308127,52961cyclictest0-21swapper21:41:300
9421995302526,52906cyclictest0-21swapper22:23:320
9421995300525,52915cyclictest0-21swapper20:15:550
9421995272936,52600cyclictest0-21swapper23:03:230
94219924831104,1280cyclictest22159-21diskmemload00:21:060
94219924101083,1202cyclictest2099-21runrttasks22:10:080
94219923031029,1151cyclictest7779-21ssh23:10:450
94219922951077,1167cyclictest32127-21ssh21:24:350
94219922951031,1141cyclictest0-21swapper22:08:380
94219922231083,1011cyclictest30907-21ssh00:34:100
94219921641074,966cyclictest7620-21ssh23:59:500
94219921631073,962cyclictest2272-21munin-node23:19:380
94219920781030,1013cyclictest0-21swapper20:54:360
94219920741026,1013cyclictest0-21swapper22:18:400
94219920241038,865cyclictest0-21swapper21:07:200
94219919881056,837cyclictest9-21ksoftirqd/023:28:210
94219919881033,861cyclictest0-21swapper22:53:000
9421991951985,930cyclictest19906-21ssh23:30:010
9421991922969,917cyclictest26969-21ssh21:15:420
94219919101066,844cyclictest0-21swapper19:29:120
9421991896956,903cyclictest27324-21ssh00:28:380
94219917851037,654cyclictest0-21swapper20:57:370
94219917661086,680cyclictest0-21swapper22:35:350
94219917111037,674cyclictest0-21swapper21:39:390
94219916891078,546cyclictest3950irq/9-acpi00:03:310
94219916811020,661cyclictest0-21swapper22:26:430
94219916161074,450cyclictest0-21swapper22:01:360
94219916131016,506cyclictest9-21ksoftirqd/019:24:500
9421991314929,366cyclictest9-21ksoftirqd/020:23:070
9421991111620,489cyclictest30440-21hwlatdetect-tra19:16:180
9421991106618,485cyclictest10673-21hwlatdetect-tra19:14:480
1555321990,1sleep015549-21grep19:06:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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