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2025-06-17 - 02:32
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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 50 highest latencies:
System rack6slot6 (updated Tue Jun 17, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263149910677353462,53247cyclictest9-21ksoftirqd/000:06:390
263149910674853412,53270cyclictest0-21swapper20:50:030
263149910664253413,53229cyclictest0-21swapper21:15:200
263149910663753390,53157cyclictest0-21swapper23:10:030
263149910661353454,53094cyclictest17135-21kworker/0:021:29:240
263149910657653471,53105cyclictest0-21swapper20:06:400
263149910650653471,53035cyclictest0-21swapper20:27:060
263149910648853467,53021cyclictest0-21swapper22:14:470
263149910647653462,53014cyclictest0-21swapper22:44:060
263149910647653459,52953cyclictest133750irq/9-eth021:32:150
263149910646253455,53007cyclictest0-21swapper22:17:080
263149910646053258,53179cyclictest30917-21ssh23:51:350
263149910645253403,53049cyclictest0-21swapper21:55:220
263149910644953426,53023cyclictest0-21swapper00:21:440
263149910644653441,53005cyclictest0-21swapper23:32:400
263149910638253399,52891cyclictest0-21swapper20:03:290
263149910635853400,52895cyclictest9-21ksoftirqd/021:54:210
263149910635353391,52895cyclictest0-21swapper22:59:100
263149910627853452,52714cyclictest0-21swapper23:27:480
263149910626553392,52807cyclictest0-21swapper19:54:470
263149910626153407,52854cyclictest0-21swapper20:17:330
263149910625753473,52748cyclictest0-21swapper20:32:380
263149910620653465,52741cyclictest0-21swapper19:57:070
263149910616853446,52722cyclictest0-21swapper00:25:450
263149910612853435,52693cyclictest0-21swapper19:27:590
263149910586152987,52872cyclictest25032-21ssh23:44:130
263149910579453057,52734cyclictest10555-21ssh22:38:540
263149910577653050,52723cyclictest31146-21ssh21:36:360
263149910556752940,52625cyclictest6780-21ssh21:48:090
263149910516453059,52103cyclictest0-21swapper23:20:060
263149910512753010,52114cyclictest27884-21ssh23:47:440
263149910500852917,52089cyclictest0-21swapper00:36:380
26314995396753378,499cyclictest0-21swapper22:34:030
26314995381627,53722cyclictest0-21swapper00:34:370
26314995375029,53628cyclictest0-21swapper21:01:060
26314995365128,53532cyclictest3950irq/9-acpi22:28:010
26314995344929,0cyclictest31391-21ssh23:07:320
26314995344026,53414cyclictest0-21swapper19:31:500
26314995310927,53082cyclictest0-21swapper20:55:040
26314995310611,53093cyclictest0-21swapper22:24:300
26314995310026,53074cyclictest0-21swapper20:37:090
263149940082484,1521cyclictest1744-21hald22:47:370
263149924691104,1265cyclictest21194-21ssh21:23:120
263149924111091,1192cyclictest20593-21ssh22:52:280
263149921681007,1069cyclictest17926-21kworker/0:122:09:150
263149921661046,1027cyclictest9-21ksoftirqd/023:36:110
26314992129991,1045cyclictest29037-21kworker/0:120:48:020
26314992067990,1040cyclictest11335-21diskmemload00:18:330
263149920501056,901cyclictest0-21swapper19:47:450
263149919541006,913cyclictest0-21swapper23:17:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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