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2026-03-22 - 12:42
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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, lowest P state: performance
Characteristics of the highest latencies:
System rack6slot5.osadl.org (updated Sun Mar 22, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
318069998655156,4698cyclictest25800-21kworker/0:123:45:560
318069998355246,4578cyclictest10946-21kworker/0:219:48:320
318069997245188,4525cyclictest21090-21kworker/0:120:32:180
318069996795064,4604cyclictest17860-21kworker/0:019:20:090
318069996405044,4585cyclictest18939-21kworker/0:023:31:180
318069995375099,4434cyclictest21090-21kworker/0:120:52:380
318069991684726,4431cyclictest8285-21kworker/0:021:24:500
318069990994581,4506cyclictest10928-21kworker/0:122:27:570
318069990314655,4365cyclictest10946-21kworker/0:219:57:530
318069990304835,4180cyclictest25800-21kworker/0:100:23:070
318069990044646,4346cyclictest10928-21kworker/0:122:34:140
318069989984640,4346cyclictest8285-21kworker/0:021:07:440
318069989854638,4336cyclictest21090-21kworker/0:120:22:160
318069988184445,4362cyclictest28495-21kworker/0:222:53:510
318069987544718,4025cyclictest6750-21kworker/0:119:35:500
318069984504415,3975cyclictest21090-21kworker/0:120:45:530
318069982014296,3854cyclictest8285-21kworker/0:021:29:140
318069981044147,3898cyclictest8285-21kworker/0:021:17:120
318069980644125,3888cyclictest21090-21kworker/0:120:15:500
318069980084413,3571cyclictest17860-21kworker/0:019:14:250
318069979124249,3603cyclictest21638-21kworker/0:223:36:360
318069978024012,3765cyclictest25800-21kworker/0:100:07:120
318069977084049,3607cyclictest8285-21kworker/0:020:56:210
318069976103999,3560cyclictest25800-21kworker/0:100:04:330
318069975984113,3470cyclictest5415-21kworker/0:223:13:460
318069975974089,3457cyclictest10928-21kworker/0:122:19:420
318069973783783,3543cyclictest8285-21kworker/0:021:41:130
318069972893849,3398cyclictest1565-21kworker/0:022:58:120
318069972853835,3398cyclictest8285-21kworker/0:021:11:340
318069971983591,3556cyclictest25800-21kworker/0:100:28:430
318069971843892,3240cyclictest10946-21kworker/0:219:51:430
318069971823680,3450cyclictest28495-21kworker/0:222:46:130
318069971663875,3277cyclictest8198-21kworker/0:022:06:210
318069970893789,3290cyclictest6750-21kworker/0:119:27:590
318069970403636,3389cyclictest25800-21kworker/0:123:44:200
318069969863600,3371cyclictest5415-21kworker/0:223:20:260
318069968893660,3215cyclictest19962-21kworker/0:200:35:500
318069968753782,3089cyclictest21090-21kworker/0:120:27:180
318069967933615,3167cyclictest10946-21kworker/0:219:44:100
318069967683726,3031cyclictest6750-21kworker/0:119:31:510
318069967413504,3225cyclictest32256-21kworker/0:021:55:500
318069967093595,3103cyclictest21090-21kworker/0:120:42:200
318069966883488,3185cyclictest25800-21kworker/0:123:51:310
318069966753677,2987cyclictest17860-21kworker/0:019:16:360
318069966613338,3307cyclictest18939-21kworker/0:023:29:560
318069966393662,2966cyclictest10946-21kworker/0:220:02:400
318069966213656,2961cyclictest21090-21kworker/0:120:12:170
318069965493454,3043cyclictest10928-21kworker/0:122:12:200
318069965183440,2994cyclictest8285-21kworker/0:021:01:230
318069964543252,3188cyclictest5540-21kworker/0:122:00:260
318069964053209,3144cyclictest5415-21kworker/0:223:04:060
318069963503383,2952cyclictest8285-21kworker/0:021:35:090
318069963303405,2914cyclictest21090-21kworker/0:120:37:180
318069963263478,2805cyclictest25800-21kworker/0:123:58:070
318069962693344,2911cyclictest21090-21kworker/0:120:06:000
318069962313245,2962cyclictest10928-21kworker/0:122:41:180
318069960733049,3009cyclictest5415-21kworker/0:223:08:070
318069960223215,2756cyclictest25800-21kworker/0:100:12:210
318069958923178,2702cyclictest25800-21kworker/0:100:30:180
318069958283240,2577cyclictest8285-21kworker/0:021:30:500
318069957072891,2805cyclictest10928-21kworker/0:122:21:180
318069957032945,2699cyclictest10928-21kworker/0:122:38:490
318069954543009,2386cyclictest25800-21kworker/0:100:19:090
318069952672650,2606cyclictest5415-21kworker/0:223:15:210
318069951052696,2397cyclictest32256-21kworker/0:021:49:470
318069938723778,81cyclictest32256-21kworker/0:021:54:140
317202856184,310sleep00-21swapper19:09:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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