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2025-12-08 - 15:46
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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 100 highest latencies:
System rack6slot6 (updated Mon Dec 08, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311149910743953485,53830cyclictest2803-21gnome-power-man08:16:570
311149910687653450,53426cyclictest0-21swapper12:36:120
311149910676453423,53219cyclictest16070-21diskmemload09:22:160
311149910658353469,53114cyclictest0-21swapper11:47:180
311149910657953427,53056cyclictest26544-21ssh10:06:590
311149910657753393,53184cyclictest0-21swapper11:32:530
311149910654753418,53129cyclictest0-21swapper07:34:250
311149910653053471,53059cyclictest0-21swapper07:22:510
311149910652953406,53060cyclictest31075-21cyclictest08:35:520
311149910651553462,53053cyclictest0-21swapper10:48:510
311149910651453475,53039cyclictest0-21swapper07:43:570
311149910651453458,53056cyclictest0-21swapper10:26:140
311149910647853466,53012cyclictest0-21swapper08:41:540
311149910647053436,53034cyclictest0-21swapper07:29:130
311149910646253407,53055cyclictest0-21swapper09:07:420
311149910645753446,53011cyclictest0-21swapper12:19:370
311149910645553439,53016cyclictest0-21swapper07:17:100
311149910644353440,53003cyclictest0-21swapper12:20:570
311149910638453412,52972cyclictest0-21swapper08:56:380
311149910635253383,52938cyclictest0-21swapper07:58:320
311149910626453389,52810cyclictest0-21swapper08:27:100
311149910623453454,52780cyclictest0-21swapper08:22:290
311149910621953414,52767cyclictest0-21swapper07:49:090
311149910620953471,52738cyclictest0-21swapper08:46:560
311149910618153457,52724cyclictest0-21swapper07:35:450
311149910615353459,52694cyclictest0-21swapper10:24:340
311149910615053437,52713cyclictest0-21swapper11:18:290
311149910595553001,52952cyclictest3516-21ssh12:31:000
311149910583053262,52555cyclictest0-21swapper12:25:390
311149910574953006,52741cyclictest32385-21ssh09:30:480
311149910566552955,52708cyclictest31541-21ssh11:41:160
311149910538152937,52442cyclictest7314-21ssh11:52:390
31114995345026,0cyclictest0-21swapper11:29:120
31114995341928,53391cyclictest0-21swapper12:07:530
31114995321425,0cyclictest0-21swapper08:08:040
31114995313625,53111cyclictest0-21swapper08:32:310
31114995306126,53035cyclictest0-21swapper10:42:090
31114995303927,53012cyclictest0-21swapper08:50:370
311149927561088,1542cyclictest13272-21ssh09:49:540
311149924161044,1247cyclictest5502-21ssh11:05:460
311149924131051,1236cyclictest1911-21snmpd10:52:420
311149923011088,1087cyclictest15753-21ssh09:52:340
311149922991020,1187cyclictest9-21ksoftirqd/010:16:310
311149921681100,940cyclictest7317-21ssh09:40:310
311149921211048,977cyclictest133750irq/9-eth010:58:030
311149921071023,991cyclictest3950irq/9-acpi11:21:300
311149920901018,1031cyclictest29179-21ssh09:26:470
311149920731024,1014cyclictest0-21swapper07:13:490
311149919761045,810cyclictest0-21swapper08:03:330
31114991946943,969cyclictest0-21swapper12:00:410
311149919411041,778cyclictest0-21swapper09:01:300
311149919311095,745cyclictest13308-21kworker/0:010:34:570
311149919261020,810cyclictest3542-21ssh11:04:050
311149918221046,776cyclictest0-21swapper10:14:010
311149917721038,734cyclictest0-21swapper10:04:180
311149917221099,623cyclictest0-21swapper09:12:230
311149916901095,595cyclictest0-21swapper11:12:170
311149916871019,631cyclictest22107-21ssh09:17:240
311149916751087,588cyclictest0-21swapper08:11:150
31114991662935,701cyclictest17302-21ssh10:38:480
311149916601091,569cyclictest0-21swapper09:55:550
311149916091090,455cyclictest9-21ksoftirqd/011:38:150
311149916011087,448cyclictest9-21ksoftirqd/011:55:100
311149915921084,445cyclictest9-21ksoftirqd/012:14:350
311149914681096,372cyclictest0-21swapper09:39:410
311149914331039,394cyclictest0-21swapper07:53:500
30443270637,179sleep00-21swapper07:06:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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