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2026-03-09 - 20:35
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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 Mon Mar 09, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299599209847105308,104537cyclictest9-21ksoftirqd/011:09:140
29959910961055129,54479cyclictest1741-21hald10:42:070
29959910674453473,53181cyclictest9-21ksoftirqd/009:58:540
29959910671353454,53195cyclictest9-21ksoftirqd/012:24:060
29959910670053482,53187cyclictest0-21swapper07:23:290
29959910668653418,53268cyclictest0-21swapper12:26:370
29959910662253477,53145cyclictest0-21swapper11:36:220
29959910660153368,53218cyclictest12735-21ssh11:24:090
29959910652953407,53058cyclictest2994-21cyclictest10:54:100
29959910651153473,53038cyclictest0-21swapper11:32:010
29959910650753395,53112cyclictest0-21swapper10:28:330
29959910648353471,53012cyclictest0-21swapper08:03:110
29959910648153463,53018cyclictest0-21swapper11:14:260
29959910647753461,53016cyclictest0-21swapper11:58:590
29959910647453457,53017cyclictest0-21swapper10:59:520
29959910647053453,53017cyclictest0-21swapper09:30:060
29959910645453405,53049cyclictest0-21swapper12:03:500
29959910644853478,52970cyclictest0-21swapper07:26:000
29959910643853460,52978cyclictest0-21swapper09:15:010
29959910643253448,52984cyclictest0-21swapper08:30:390
29959910642153427,52994cyclictest0-21swapper10:33:540
29959910640953421,52988cyclictest0-21swapper09:47:110
29959910640653420,52986cyclictest0-21swapper11:17:170
29959910635953429,52838cyclictest0-21swapper07:36:430
29959910626453391,52808cyclictest0-21swapper07:56:290
29959910623053477,52753cyclictest0-21swapper11:48:060
29959910622553479,52746cyclictest0-21swapper08:35:400
29959910622453475,52749cyclictest0-21swapper09:07:090
29959910621453473,52741cyclictest0-21swapper07:54:480
29959910621053467,52743cyclictest0-21swapper08:20:560
29959910620653464,52742cyclictest0-21swapper07:34:330
29959910620453475,52729cyclictest0-21swapper08:19:050
29959910619953419,52780cyclictest0-21swapper10:46:580
29959910619453424,52770cyclictest0-21swapper07:16:170
29959910615253395,52757cyclictest0-21swapper08:54:460
29959910614953449,52700cyclictest0-21swapper08:59:170
29959910614153445,52696cyclictest0-21swapper07:49:470
29959910613153441,52690cyclictest0-21swapper08:05:310
29959910612153423,52698cyclictest0-21swapper08:46:130
2995995388853426,462cyclictest0-21swapper10:06:160
2995995386653440,426cyclictest0-21swapper07:43:250
2995995385653391,465cyclictest0-21swapper10:35:550
2995995357453423,151cyclictest0-21swapper11:28:200
2995995341553297,105cyclictest0-21swapper11:50:360
2995995340026,53374cyclictest0-21swapper07:10:360
2995995308727,53060cyclictest0-21swapper08:42:120
2995995305724,53033cyclictest0-21swapper10:11:080
29959923051068,1111cyclictest2272-21munin-node11:42:340
29959922661094,1106cyclictest3950irq/9-acpi09:23:040
29959922521041,1085cyclictest1907-21snmpd09:01:480
29959921311094,940cyclictest20111-21diskmemload10:22:310
29959921111016,1005cyclictest3950irq/9-acpi12:15:330
29959920751026,1013cyclictest0-21swapper12:33:190
2995992054997,1023cyclictest31307-21ssh10:15:090
29959920451013,997cyclictest0-21swapper09:43:500
29959920151032,863cyclictest0-21swapper09:38:080
29959920121084,861cyclictest134850irq/9-eth009:50:420
29959920121027,950cyclictest0-21swapper08:29:080
2995991960949,977cyclictest0-21swapper12:06:510
2995991957962,960cyclictest0-21swapper12:13:430
29959919311033,776cyclictest0-21swapper12:37:300
29959917521096,656cyclictest0-21swapper08:13:240
29959917381091,647cyclictest0-21swapper10:04:260
29959915021038,464cyclictest0-21swapper09:27:250
29959914721099,373cyclictest0-21swapper09:11:400
2995991364664,697cyclictest0-21swapper11:02:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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