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2026-03-24 - 16:46
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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 Tue Mar 24, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
325029910719753460,53672cyclictest9-21ksoftirqd/009:16:240
325029910704653429,53520cyclictest10150-21ssh12:06:330
325029910694653467,53380cyclictest2272-21munin-node08:22:380
325029910673053392,53246cyclictest10-21rcuc/009:28:570
325029910654253387,53090cyclictest0-21swapper08:40:440
325029910651753388,53036cyclictest0-21swapper07:21:010
325029910650453470,53034cyclictest0-21swapper11:03:250
325029910649653427,53069cyclictest0-21swapper09:02:400
325029910647853466,53012cyclictest0-21swapper11:27:520
325029910646953453,53016cyclictest0-21swapper09:54:550
325029910646553411,53054cyclictest0-21swapper09:59:360
325029910646353477,52986cyclictest0-21swapper07:42:270
325029910646053468,52992cyclictest0-21swapper07:26:120
325029910644053443,52997cyclictest0-21swapper12:32:200
325029910643853445,52993cyclictest0-21swapper11:42:360
325029910643553436,52999cyclictest0-21swapper10:41:580
325029910642253430,52992cyclictest0-21swapper08:25:290
325029910639853417,52981cyclictest0-21swapper10:50:510
325029910636153463,52832cyclictest0-21swapper07:55:410
325029910624953383,52801cyclictest0-21swapper09:05:410
325029910621253430,52782cyclictest0-21swapper08:46:150
325029910620953409,52764cyclictest0-21swapper08:33:420
325029910620553466,52739cyclictest0-21swapper08:36:520
325029910620453425,52779cyclictest0-21swapper07:37:150
325029910619053477,52713cyclictest0-21swapper10:03:270
325029910618353475,52708cyclictest0-21swapper11:39:550
325029910614653397,52749cyclictest0-21swapper10:10:090
325029910592253345,52577cyclictest0-21swapper07:53:000
325029910588753321,52552cyclictest0-21swapper09:38:000
325029910526753051,52216cyclictest0-21swapper08:08:140
325029910517353050,52121cyclictest0-21swapper10:35:470
325029910511552992,52121cyclictest0-21swapper12:26:290
325029910506152962,52097cyclictest0-21swapper08:57:180
32502995353118,53499cyclictest0-21swapper09:30:580
32502995334025,53315cyclictest0-21swapper09:20:550
32502995332121,53300cyclictest0-21swapper08:11:350
32502995317327,383cyclictest0-21swapper07:34:140
325029951242567,2545cyclictest1741-21hald10:59:340
325029924381059,1255cyclictest1467-21ssh11:55:100
325029920861093,869cyclictest2099-21runrttasks11:47:470
325029920851035,1016cyclictest0-21swapper12:03:520
32502992009994,981cyclictest3950irq/9-acpi11:07:160
32502992006981,1004cyclictest0-21swapper10:22:130
325029919931035,831cyclictest2099-21runrttasks12:11:440
325029919831031,859cyclictest0-21swapper11:30:320
32502991962963,965cyclictest5350irq/9-uhci_hcd:10:47:500
325029919581081,877cyclictest0-21swapper11:53:290
32502991923944,956cyclictest0-21swapper09:43:220
32502991879910,955cyclictest0-21swapper10:18:220
32502991877885,978cyclictest0-21swapper09:49:530
325029918261052,651cyclictest6177-21ssh10:26:340
32502991799935,843cyclictest0-21swapper12:17:060
325029917061021,648cyclictest20491-21ssh12:21:570
325029916961093,603cyclictest0-21swapper07:12:280
325029916461051,505cyclictest3950irq/9-acpi09:14:330
325029916291059,570cyclictest0-21swapper07:45:280
325029916281057,563cyclictest0-21swapper11:20:400
32502991619801,815cyclictest0-21swapper10:30:050
325029916141089,460cyclictest0-21swapper12:35:310
325029915731037,536cyclictest0-21swapper08:52:370
32502991513722,787cyclictest0-21swapper11:14:080
325029915061003,437cyclictest17884-21kworker/0:010:07:180
32502991471917,521cyclictest134850irq/9-eth011:16:590
325029914621094,368cyclictest0-21swapper07:17:400
325029911981045,153cyclictest0-21swapper08:19:580
32502991110482,626cyclictest0-21swapper08:03:330
32000254376,209sleep00-21swapper07:07:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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