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2026-03-18 - 10:38
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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 376 highest latencies:
System rack6slot5.osadl.org (updated Wed Mar 18, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2546999116996033,5655cyclictest31068-21kworker/0:200:32:150
2546999115586063,5484cyclictest32279-21kworker/0:120:02:360
254699997604891,4855cyclictest32279-21kworker/0:120:20:250
254699997475163,4579cyclictest27860-21kworker/0:023:34:270
254699995815078,4498cyclictest32279-21kworker/0:119:48:300
254699994525011,4430cyclictest32279-21kworker/0:119:27:480
254699994504809,4617cyclictest21622-21kworker/0:221:38:470
254699992984704,4551cyclictest3558-21kworker/0:219:21:490
254699992024583,4604cyclictest31068-21kworker/0:200:18:160
254699991924700,4487cyclictest22187-21kworker/0:123:46:350
254699991034653,4439cyclictest32279-21kworker/0:120:16:590
254699990114615,4385cyclictest27860-21kworker/0:023:08:210
254699989584577,4370cyclictest32279-21kworker/0:120:26:400
254699989024394,4448cyclictest32279-21kworker/0:120:49:180
254699988144511,4292cyclictest3558-21kworker/0:219:19:590
254699987894696,4082cyclictest32279-21kworker/0:119:53:010
254699987874580,4202cyclictest32279-21kworker/0:119:40:010
254699986954338,4342cyclictest31068-21kworker/0:200:07:280
254699986844440,4233cyclictest27860-21kworker/0:022:54:360
254699985794262,4274cyclictest32279-21kworker/0:121:04:290
254699985284237,4276cyclictest10083-21kworker/0:222:26:100
254699981274207,3868cyclictest32279-21kworker/0:120:39:230
254699981164318,3784cyclictest16727-21kworker/0:122:31:590
254699980303976,3933cyclictest32279-21kworker/0:120:44:070
254699980064278,3686cyclictest32279-21kworker/0:119:33:590
254699980004300,3686cyclictest31068-21kworker/0:200:24:140
254699979324228,3644cyclictest32279-21kworker/0:120:59:130
254699977524268,3469cyclictest3558-21kworker/0:219:14:210
254699977344120,3562cyclictest24598-21kworker/0:021:44:490
254699976124046,3515cyclictest13612-21kworker/0:021:24:440
254699975693935,3591cyclictest31068-21kworker/0:200:12:110
254699973693940,3378cyclictest31094-21kworker/0:221:57:300
254699973443622,3670cyclictest32279-21kworker/0:119:56:170
254699973143848,3451cyclictest27860-21kworker/0:023:21:430
254699973033801,3451cyclictest31094-21kworker/0:222:09:050
254699972653805,3408cyclictest32279-21kworker/0:119:42:420
254699972313820,3407cyclictest13612-21kworker/0:021:26:200
254699971623847,3301cyclictest4485-21kworker/0:221:14:290
254699970883516,3520cyclictest32279-21kworker/0:120:34:340
254699970533828,3214cyclictest32279-21kworker/0:121:05:530
254699970143712,3291cyclictest15771-21kworker/0:100:38:360
254699969863557,3379cyclictest31068-21kworker/0:200:05:030
254699968783522,3332cyclictest4485-21kworker/0:221:19:190
254699968303483,3295cyclictest32279-21kworker/0:120:05:570
254699967903601,3185cyclictest27860-21kworker/0:023:40:120
254699967863599,3183cyclictest27860-21kworker/0:023:14:260
254699967773589,3177cyclictest27860-21kworker/0:023:28:210
254699967593684,3071cyclictest16727-21kworker/0:122:41:000
254699967333521,3161cyclictest24598-21kworker/0:021:51:190
254699967273521,3154cyclictest16727-21kworker/0:122:39:260
254699966443672,2921cyclictest32279-21kworker/0:120:54:260
254699965153556,2947cyclictest31094-21kworker/0:222:04:470
254699965023491,2960cyclictest25080-21kworker/0:023:58:370
254699964993388,3024cyclictest10083-21kworker/0:222:22:060
254699964793495,2933cyclictest32279-21kworker/0:120:10:410
254699964273453,2959cyclictest7150-21kworker/0:022:15:020
254699964123450,2902cyclictest27860-21kworker/0:023:19:160
254699963843276,3084cyclictest25080-21kworker/0:023:54:000
254699962853222,3048cyclictest27860-21kworker/0:023:01:350
254699962663386,2828cyclictest27860-21kworker/0:022:59:050
254699962483105,3120cyclictest16727-21kworker/0:122:48:240
254699962243202,2999cyclictest7150-21kworker/0:022:17:300
254699961183154,2949cyclictest13612-21kworker/0:021:33:550
254699960463324,2710cyclictest24598-21kworker/0:021:46:250
254699958773126,2747cyclictest31068-21kworker/0:200:25:490
254699950732884,2138cyclictest27860-21kworker/0:023:38:370
249092840185,203sleep00-21swapper19:06:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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