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2025-11-19 - 06:38
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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 Wed Nov 19, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1594999103405290,5039cyclictest32314-21kworker/0:200:18:260
159499998035210,4589cyclictest22045-21kworker/0:120:55:310
159499997535080,4662cyclictest9807-21kworker/0:000:25:580
159499996015007,4589cyclictest15547-21kworker/0:121:42:330
159499993804803,4566cyclictest15547-21kworker/0:121:51:360
159499991414692,4438cyclictest12377-21kworker/0:223:38:460
159499990514639,4401cyclictest8760-21kworker/0:022:35:370
159499988794759,4109cyclictest3043-21kworker/0:020:12:410
159499988434741,4090cyclictest3043-21kworker/0:020:47:490
159499987764617,4156cyclictest1132-21kworker/0:119:14:020
159499986954362,4321cyclictest9807-21kworker/0:000:22:230
159499986744593,4002cyclictest1132-21kworker/0:119:51:410
159499986384433,4201cyclictest21907-21kworker/0:223:51:290
159499986234528,4090cyclictest9807-21kworker/0:000:38:120
159499985534394,4148cyclictest1132-21kworker/0:119:31:210
159499985074476,4027cyclictest25333-21kworker/0:022:07:370
159499985064371,4124cyclictest3043-21kworker/0:020:43:480
159499984554344,4100cyclictest31951-21kworker/0:221:15:210
159499983064207,4047cyclictest31561-21kworker/0:222:21:450
159499983064128,4136cyclictest1132-21kworker/0:119:25:120
159499982974221,4062cyclictest31951-21kworker/0:221:21:380
159499982964120,4133cyclictest3043-21kworker/0:020:26:140
159499981534251,3887cyclictest18790-21kworker/0:123:45:410
159499981434242,3850cyclictest31951-21kworker/0:221:29:200
159499981164279,3826cyclictest31561-21kworker/0:222:11:250
159499981004142,3943cyclictest1132-21kworker/0:119:59:160
159499980414193,3797cyclictest3043-21kworker/0:020:37:570
159499980194199,3806cyclictest19228-21kworker/0:022:57:500
159499980154408,3593cyclictest21907-21kworker/0:223:55:180
159499979304158,3757cyclictest29433-21kworker/0:123:13:490
159499979094131,3727cyclictest1132-21kworker/0:119:36:510
159499978644094,3718cyclictest3043-21kworker/0:020:18:260
159499978523917,3920cyclictest1132-21kworker/0:119:17:470
159499978024267,3484cyclictest3043-21kworker/0:020:03:040
159499977924086,3691cyclictest1132-21kworker/0:119:40:360
159499977524038,3662cyclictest6207-21kworker/0:023:21:500
159499977224128,3542cyclictest8760-21kworker/0:022:29:440
159499977124129,3532cyclictest31951-21kworker/0:221:13:300
159499975643953,3567cyclictest3043-21kworker/0:020:34:020
159499975243947,3562cyclictest19228-21kworker/0:022:53:240
159499975083924,3533cyclictest3043-21kworker/0:020:22:170
159499974243915,3486cyclictest1132-21kworker/0:119:24:040
159499973443741,3588cyclictest12377-21kworker/0:223:33:150
159499971153760,3344cyclictest29433-21kworker/0:123:07:370
159499970443689,3340cyclictest12377-21kworker/0:223:29:270
159499970143576,3387cyclictest18790-21kworker/0:123:41:080
159499970003575,3374cyclictest32314-21kworker/0:200:09:150
159499969243532,3377cyclictest19228-21kworker/0:022:45:540
159499968573515,3327cyclictest22045-21kworker/0:121:05:370
159499967973617,3170cyclictest9807-21kworker/0:000:34:060
159499967843616,3164cyclictest29267-21kworker/0:000:03:060
159499967833659,3064cyclictest31951-21kworker/0:221:33:020
159499966873521,3142cyclictest25333-21kworker/0:021:57:400
159499966833661,3011cyclictest1132-21kworker/0:119:49:530
159499965373356,3167cyclictest25333-21kworker/0:022:01:280
159499965213446,3060cyclictest6207-21kworker/0:023:17:320
159499964883417,3057cyclictest31951-21kworker/0:221:36:580
159499964353429,2995cyclictest31561-21kworker/0:222:15:220
159499964333379,2982cyclictest3043-21kworker/0:020:06:550
159499962903421,2809cyclictest22045-21kworker/0:120:53:390
159499962023321,2870cyclictest16109-21kworker/0:122:43:300
159499961353180,2951cyclictest32314-21kworker/0:200:10:410
159499960853259,2822cyclictest8760-21kworker/0:022:31:390
159499959593249,2659cyclictest22045-21kworker/0:121:01:300
159499957243063,2657cyclictest29433-21kworker/0:123:03:330
159499950562527,2506cyclictest15547-21kworker/0:121:47:350
140942809184,203sleep00-21swapper19:05:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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