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2025-12-17 - 21:24
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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 100 highest latencies:
System rack6slot5.osadl.org (updated Wed Dec 17, 2025 12:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2523599107835515,5257cyclictest21307-21kworker/0:208:33:530
2523599102115293,4875cyclictest16616-21kworker/0:009:45:090
252359998085111,4686cyclictest16616-21kworker/0:009:51:240
252359997265087,4634cyclictest21307-21kworker/0:208:21:260
252359996665038,4617cyclictest17917-21kworker/0:011:41:140
252359992554767,4483cyclictest32124-21kworker/0:112:00:560
252359989294601,4317cyclictest32124-21kworker/0:112:06:000
252359989124594,4307cyclictest21307-21kworker/0:208:17:200
252359988954585,4299cyclictest21307-21kworker/0:208:59:390
252359988114418,4382cyclictest16616-21kworker/0:010:01:460
252359988074541,4255cyclictest16616-21kworker/0:010:07:070
252359986954585,4099cyclictest7376-21kworker/0:209:22:360
252359986554563,4081cyclictest32124-21kworker/0:111:55:480
252359986374326,4269cyclictest21307-21kworker/0:207:18:040
252359985304406,4113cyclictest17917-21kworker/0:011:36:200
252359985214503,4014cyclictest4936-21kworker/0:211:27:020
252359985204397,4112cyclictest21307-21kworker/0:209:03:560
252359984714259,4197cyclictest12774-21kworker/0:012:39:360
252359984324453,3963cyclictest21307-21kworker/0:207:33:360
252359983284480,3843cyclictest12774-21kworker/0:012:30:410
252359982984096,4187cyclictest21307-21kworker/0:207:37:270
252359979864173,3798cyclictest21307-21kworker/0:207:25:490
252359979664192,3760cyclictest21307-21kworker/0:208:45:380
252359978974334,3511cyclictest21307-21kworker/0:208:41:200
252359978574112,3686cyclictest25236-21kworker/0:110:55:390
252359978454304,3481cyclictest6525-21kworker/0:210:10:540
252359977714084,3671cyclictest21307-21kworker/0:208:54:010
252359977164129,3563cyclictest21307-21kworker/0:207:58:030
252359976743819,3804cyclictest32124-21kworker/0:112:14:390
252359976393816,3781cyclictest21307-21kworker/0:207:21:500
252359976074085,3462cyclictest21307-21kworker/0:208:11:160
252359976073986,3570cyclictest12774-21kworker/0:012:24:100
252359975833878,3653cyclictest4936-21kworker/0:211:10:440
252359975793800,3764cyclictest5555-21kworker/0:009:06:440
252359974503828,3607cyclictest4936-21kworker/0:211:20:280
252359974263804,3571cyclictest7376-21kworker/0:209:11:430
252359973963987,3358cyclictest21307-21kworker/0:207:49:380
252359973003844,3404cyclictest16616-21kworker/0:009:30:310
252359972773880,3393cyclictest21307-21kworker/0:207:51:080
252359971213793,3324cyclictest21307-21kworker/0:208:29:340
252359971183800,3306cyclictest12838-21kworker/0:210:22:310
252359970923886,3195cyclictest21307-21kworker/0:208:03:530
252359970553761,3283cyclictest7376-21kworker/0:209:27:100
252359970483811,3193cyclictest12774-21kworker/0:012:19:260
252359970113610,3386cyclictest25236-21kworker/0:111:00:590
252359969683716,3247cyclictest25236-21kworker/0:110:47:260
252359969523666,3234cyclictest21307-21kworker/0:208:06:530
252359969183445,3422cyclictest16616-21kworker/0:009:40:040
252359968933683,3199cyclictest25236-21kworker/0:110:52:110
252359968503663,3176cyclictest12838-21kworker/0:210:27:310
252359968483605,3182cyclictest12838-21kworker/0:210:40:520
252359967943487,3255cyclictest4936-21kworker/0:211:05:470
252359967193365,3303cyclictest21307-21kworker/0:207:41:270
252359965263434,3061cyclictest9617-21kworker/0:010:16:020
252359964453464,2977cyclictest17917-21kworker/0:011:31:330
252359964293408,2978cyclictest12838-21kworker/0:210:35:460
252359963843423,2950cyclictest16616-21kworker/0:009:41:400
252359962603367,2888cyclictest17917-21kworker/0:011:45:590
252359962193291,2913cyclictest7376-21kworker/0:209:16:270
252359961593084,3060cyclictest21307-21kworker/0:207:14:240
252359961083237,2811cyclictest4936-21kworker/0:211:15:280
252359960503228,2807cyclictest12838-21kworker/0:210:30:470
252359959763177,2748cyclictest12774-21kworker/0:012:29:180
252359959613114,2843cyclictest17917-21kworker/0:011:50:410
252359957863218,2563cyclictest21307-21kworker/0:208:38:340
252359948042543,2250cyclictest16616-21kworker/0:009:56:230
249262746185,203sleep00-21swapper07:08:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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