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2026-05-09 - 00:32
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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 Fri May 08, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62199910712053446,53609cyclictest9-21ksoftirqd/010:36:260
62199910710453410,53573cyclictest23909-21ssh09:57:450
62199910702753408,53553cyclictest0-21swapper11:38:040
62199910667553420,53165cyclictest0-21swapper07:53:390
62199910663753429,53208cyclictest0-21swapper12:05:020
62199910661153464,53081cyclictest0-21swapper07:15:280
62199910658853468,53120cyclictest0-21swapper08:53:360
62199910650553400,53105cyclictest0-21swapper09:08:310
62199910650453474,53030cyclictest0-21swapper08:26:590
62199910650253469,53033cyclictest0-21swapper09:44:310
62199910649953425,53074cyclictest0-21swapper10:12:290
62199910649453465,53029cyclictest0-21swapper10:56:420
62199910649153467,53024cyclictest0-21swapper12:28:080
62199910647853415,53063cyclictest0-21swapper10:20:210
62199910647353444,53029cyclictest0-21swapper12:38:510
62199910647353415,53058cyclictest0-21swapper07:37:140
62199910642953400,52968cyclictest6218-21cyclictest07:23:410
62199910641453421,52993cyclictest0-21swapper10:26:430
62199910629653452,52779cyclictest9-21ksoftirqd/008:36:210
62199910628053384,52804cyclictest0-21swapper07:43:160
62199910626453454,52746cyclictest0-21swapper08:06:330
62199910623853481,52757cyclictest0-21swapper11:22:590
62199910619753465,52732cyclictest0-21swapper08:17:460
62199910618953456,52733cyclictest0-21swapper07:45:270
62199910617653454,52722cyclictest0-21swapper08:59:080
62199910617353451,52722cyclictest0-21swapper08:48:550
62199910614853438,52710cyclictest0-21swapper08:41:430
62199910532153007,52312cyclictest11273-21ssh12:03:510
6219995390253411,400cyclictest0-21swapper08:03:420
6219995374227,53621cyclictest134850irq/9-eth011:25:100
6219995368353380,238cyclictest0-21swapper07:25:410
6219995336925,53344cyclictest0-21swapper11:17:580
6219995335625,53238cyclictest0-21swapper09:47:120
6219995329425,53176cyclictest3950irq/9-acpi11:57:090
6219995319226,0cyclictest0-21swapper09:01:290
6219995307124,53047cyclictest0-21swapper10:46:290
6219995302212,53008cyclictest4058-21ssh11:52:480
6219995294452930,12cyclictest3950irq/9-acpi10:42:480
6219995227618,52258cyclictest0-21swapper11:09:560
62199938372266,1568cyclictest2679-21devkit-power-da09:25:160
62199924231064,1259cyclictest20003-21ssh09:51:330
62199924041039,1240cyclictest32520-21ssh09:22:350
62199922241070,1031cyclictest2099-21runrttasks10:18:310
62199921881049,1039cyclictest31721-21ssh12:34:300
62199921701040,1031cyclictest18644-21ssh12:15:040
6219992162993,1075cyclictest3950irq/9-acpi09:19:140
62199921341066,940cyclictest9777-21ssh09:36:190
62199920591019,1004cyclictest0-21swapper11:48:370
62199920501020,992cyclictest6934-21ssh09:32:280
62199920411076,867cyclictest27752-21ssh10:03:470
62199920361011,988cyclictest3055-21ssh11:03:140
62199920221006,978cyclictest14795-21ssh10:32:150
62199919841031,860cyclictest0-21swapper11:34:130
62199919541015,844cyclictest0-21swapper08:31:300
62199919421017,904cyclictest0-21swapper11:10:460
6219991934939,961cyclictest0-21swapper08:12:450
6219991923950,936cyclictest28141-21ssh10:52:110
6219991917922,960cyclictest0-21swapper11:41:050
6219991878915,949cyclictest0-21swapper07:58:200
62199918691054,722cyclictest134850irq/9-eth008:20:170
6219991863967,896cyclictest0-21swapper07:33:430
6219991763897,841cyclictest17947-21sh12:13:440
6219991720986,698cyclictest9-21ksoftirqd/012:23:170
62199916651065,600cyclictest0-21swapper10:09:280
62199916031091,416cyclictest26132-21ssh09:13:220
62199915911007,519cyclictest10-21rcuc/007:12:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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