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2026-05-14 - 00:42
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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 May 13, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272789910720553456,53627cyclictest26400-21ssh11:53:420
272789910704453404,53517cyclictest944-21ssh10:28:280
272789910699053409,53517cyclictest134850irq/9-eth010:20:150
272789910672853407,53230cyclictest9-21ksoftirqd/012:16:190
272789910664953470,53179cyclictest0-21swapper09:18:280
272789910663353416,53217cyclictest0-21swapper07:59:150
272789910662953393,53236cyclictest0-21swapper10:39:010
272789910656553426,53048cyclictest0-21swapper09:58:390
272789910652553469,53056cyclictest0-21swapper07:21:340
272789910645853407,53051cyclictest0-21swapper10:00:300
272789910644853402,53046cyclictest0-21swapper12:38:250
272789910644053397,53043cyclictest0-21swapper08:14:090
272789910643953444,52995cyclictest0-21swapper08:53:100
272789910643653395,53041cyclictest0-21swapper12:09:270
272789910642453439,52985cyclictest0-21swapper09:22:590
272789910636353398,52874cyclictest10-21rcuc/007:54:430
272789910633053392,52873cyclictest9-21ksoftirqd/007:35:080
272789910629753462,52835cyclictest0-21swapper09:29:310
272789910627553429,52846cyclictest0-21swapper09:07:450
272789910625753445,52812cyclictest0-21swapper08:27:430
272789910617853457,52721cyclictest0-21swapper07:29:360
272789910613853436,52702cyclictest0-21swapper07:14:020
272789910613853391,52747cyclictest0-21swapper08:56:310
272789910607652993,53081cyclictest0-21swapper09:14:160
272789910537953125,52254cyclictest0-21swapper10:59:270
27278995393053392,538cyclictest0-21swapper08:22:520
27278995385453391,463cyclictest0-21swapper11:41:190
27278995353132,372cyclictest9-21ksoftirqd/007:33:580
27278995347525,53450cyclictest0-21swapper11:34:470
27278995337127,53344cyclictest0-21swapper09:44:550
27278995321025,53185cyclictest0-21swapper10:49:540
27278995316527,53047cyclictest9-21ksoftirqd/012:14:080
27278995304627,53019cyclictest0-21swapper08:18:300
27278995296252939,21cyclictest0-21swapper12:34:440
272789924661096,1270cyclictest1993-21lldpd11:57:030
272789923511085,1199cyclictest24297-21kworker/0:109:47:360
272789922591054,1106cyclictest3950irq/9-acpi10:31:390
272789922301082,1022cyclictest30980-21ssh12:00:140
272789922251037,1068cyclictest0-21swapper08:36:250
272789922181095,998cyclictest1907-21snmpd09:03:430
272789921121017,1001cyclictest9-21ksoftirqd/010:41:110
272789920771036,941cyclictest27837-21ssh11:07:390
272789920731026,1013cyclictest0-21swapper09:52:470
272789920201012,971cyclictest17392-21ssh12:27:520
27278992008978,1030cyclictest0-21swapper08:32:240
27278991997998,907cyclictest10-21rcuc/007:18:430
27278991990997,954cyclictest1563-21ssh11:16:220
272789919861031,861cyclictest0-21swapper08:45:280
27278991960943,982cyclictest0-21swapper11:28:550
27278991926926,965cyclictest0-21swapper11:23:130
272789918861046,840cyclictest0-21swapper08:05:060
27278991884976,883cyclictest13493-21ssh12:21:400
272789918781045,833cyclictest0-21swapper08:04:160
27278991872982,856cyclictest0-21swapper08:44:480
272789918631047,723cyclictest0-21swapper10:10:020
27278991851944,870cyclictest18314-21ssh10:54:050
272789918421098,744cyclictest0-21swapper11:48:110
272789917361018,718cyclictest0-21swapper11:01:370
272789917061080,626cyclictest0-21swapper11:10:100
272789916101019,496cyclictest0-21swapper11:35:370
272789916071095,512cyclictest0-21swapper10:19:550
272789916071019,495cyclictest9-21ksoftirqd/010:06:110
272789916061096,510cyclictest0-21swapper09:31:110
272789915851086,499cyclictest0-21swapper07:44:000
27278991571918,629cyclictest32157-21ssh09:39:030
272789915671077,490cyclictest0-21swapper07:46:410
26396254784,207sleep00-21swapper07:06:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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