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2026-05-24 - 15:24
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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 Sun May 24, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
83729910698553403,53517cyclictest9-21ksoftirqd/011:57:160
83729910670353417,53189cyclictest2099-21runrttasks08:16:230
83729910665953467,53124cyclictest0-21swapper12:34:370
83729910664753461,53062cyclictest24163-21ssh09:54:210
83729910645153403,53048cyclictest0-21swapper10:12:460
83729910642653431,52995cyclictest0-21swapper11:00:200
83729910642253429,52993cyclictest0-21swapper09:46:090
83729910636953465,52839cyclictest0-21swapper09:01:260
83729910622553416,52809cyclictest0-21swapper10:48:170
83729910621553471,52744cyclictest0-21swapper08:12:120
83729910619253416,52776cyclictest0-21swapper08:21:440
83729910618653456,52730cyclictest0-21swapper08:46:110
83729910618253469,52713cyclictest0-21swapper10:25:100
83729910610453393,52711cyclictest0-21swapper07:15:350
83729910609952987,53110cyclictest0-21swapper11:28:080
83729910597152908,53061cyclictest0-21swapper07:22:470
83729910585752953,52898cyclictest16069-21ssh09:41:470
83729910544653178,52258cyclictest0-21swapper09:22:420
83729910533353102,52231cyclictest0-21swapper08:04:290
83729910513753049,52086cyclictest0-21swapper07:41:530
83729910509052995,52093cyclictest0-21swapper08:38:290
83729910508852987,52099cyclictest0-21swapper09:16:500
83729910505052965,52083cyclictest0-21swapper11:07:320
8372995358725,0cyclictest0-21swapper12:21:430
8372995349925,0cyclictest0-21swapper08:50:120
8372995345326,0cyclictest0-21swapper10:57:290
8372995339131,53265cyclictest10-21rcuc/008:33:080
8372995334226,53249cyclictest134850irq/9-eth012:08:500
8372995321925,439cyclictest0-21swapper08:07:300
8372995307027,53043cyclictest0-21swapper09:33:550
83729948232695,2125cyclictest2679-21devkit-power-da10:41:350
83729924721089,1258cyclictest6822-21ssh09:29:040
83729924671055,1286cyclictest168632sleep012:04:590
83729923651069,1229cyclictest3950irq/9-acpi10:38:540
83729923451089,1128cyclictest5284-21ssh11:47:230
83729922421070,1072cyclictest23762-21ssh12:14:510
83729922141005,1166cyclictest9-21ksoftirqd/008:29:370
83729920801088,926cyclictest8371-21cyclictest10:01:430
83729920711024,1013cyclictest0-21swapper07:39:420
8372992052999,1019cyclictest0-21swapper10:53:480
83729920151079,841cyclictest134850irq/9-eth007:11:440
8372991975966,972cyclictest1298-21ssh10:07:450
83729919341015,898cyclictest0-21swapper10:24:100
8372991910931,965cyclictest0-21swapper11:39:410
8372991909920,975cyclictest0-21swapper08:42:300
8372991908916,978cyclictest0-21swapper07:56:370
83729919061027,844cyclictest25801-21ssh12:16:520
83729918981014,847cyclictest13159-21ssh11:11:230
83729918541017,799cyclictest26766-21diskmemload09:57:320
83729918031039,639cyclictest1907-21snmpd09:05:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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