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2025-11-08 - 18:45
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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 Sat Nov 08, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78049910696753420,53455cyclictest0-21swapper07:50:440
78049910678353378,53342cyclictest9-21ksoftirqd/012:27:130
78049910671053470,53142cyclictest22705-21ssh11:22:450
78049910659753393,53139cyclictest9-21ksoftirqd/007:47:330
78049910657553462,53113cyclictest0-21swapper11:30:370
78049910654253441,53101cyclictest0-21swapper08:29:050
78049910653753410,53036cyclictest0-21swapper09:51:490
78049910651653431,53085cyclictest0-21swapper09:49:180
78049910650853476,53032cyclictest0-21swapper07:19:150
78049910648753470,53017cyclictest0-21swapper08:32:260
78049910644553402,53043cyclictest0-21swapper09:06:060
78049910641153424,52987cyclictest0-21swapper10:46:340
78049910640453426,52978cyclictest0-21swapper12:04:370
78049910634153420,52857cyclictest7803-21cyclictest08:58:230
78049910626253386,52814cyclictest9-21ksoftirqd/008:04:080
78049910626053446,52814cyclictest0-21swapper11:13:220
78049910626053444,52816cyclictest0-21swapper08:19:420
78049910623553483,52752cyclictest0-21swapper08:53:320
78049910621253472,52740cyclictest0-21swapper10:51:560
78049910621053470,52740cyclictest0-21swapper12:21:520
78049910621053466,52744cyclictest0-21swapper07:22:160
78049910620953467,52742cyclictest0-21swapper07:37:300
78049910617753452,52725cyclictest0-21swapper09:28:020
78049910617553453,52722cyclictest0-21swapper07:28:270
78049910617553406,52769cyclictest0-21swapper07:34:090
78049910615053396,52754cyclictest0-21swapper08:21:530
78049910604252939,53097cyclictest0-21swapper08:09:390
78049910568653017,52666cyclictest26188-21ssh12:12:490
78049910526453006,52256cyclictest6146-21ssh10:14:150
78049910504952994,52053cyclictest0-21swapper10:58:280
78049910497952919,52058cyclictest0-21swapper09:56:100
7804995380253438,302cyclictest5450irq/7-uhci_hcd:11:08:510
7804995337317,53262cyclictest0-21swapper10:19:070
7804995305225,52936cyclictest0-21swapper09:35:040
7804995298352949,32cyclictest0-21swapper12:31:350
7804995290126,52757cyclictest0-21swapper08:35:070
7804995286623,52752cyclictest7803-21cyclictest10:26:490
7804995268812,52676cyclictest0-21swapper08:42:090
78049958773138,2613cyclictest1744-21hald09:16:390
78049924271103,1224cyclictest2103-21runrttasks10:07:430
78049923431075,1143cyclictest2103-21runrttasks09:04:450
78049923341087,1218cyclictest17357-21ssh10:30:100
78049923051039,1141cyclictest12264-21ssh12:38:470
78049922061089,993cyclictest9082-21ssh11:03:490
7804992124995,1036cyclictest133750irq/9-eth011:51:430
78049920631026,1037cyclictest0-21swapper12:09:480
7804992031999,996cyclictest0-21swapper09:23:410
7804992027998,995cyclictest0-21swapper10:21:170
78049919821008,936cyclictest9863-21ssh09:33:530
78049919681026,908cyclictest0-21swapper08:49:410
78049919661015,918cyclictest3950irq/9-acpi11:57:450
7804991943947,962cyclictest0-21swapper08:13:500
78049919231001,902cyclictest3950irq/9-acpi10:42:430
78049919221047,782cyclictest0-21swapper07:13:530
7804991914982,895cyclictest2103-21runrttasks07:55:350
78049918981051,755cyclictest9-21ksoftirqd/012:18:310
7804991829944,848cyclictest24931-21diskmemload11:36:190
78049917731047,726cyclictest0-21swapper10:38:220
7804991758997,724cyclictest31553-21ssh10:04:420
78049917151043,548cyclictest16662-21ssh09:43:160
78049916541006,648cyclictest0-21swapper11:48:220
78049914531097,356cyclictest0-21swapper09:14:180
78049914531093,360cyclictest0-21swapper07:40:110
78049914421087,355cyclictest0-21swapper11:16:330
78049914141073,341cyclictest0-21swapper11:27:560
78049914061090,316cyclictest0-21swapper11:41:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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