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2025-12-15 - 10:44
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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 792 highest latencies:
System rack6slot5.osadl.org (updated Mon Dec 15, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2442699109045523,5370cyclictest23830-21kworker/0:223:46:430
2442699107725468,5293cyclictest15167-21kworker/0:020:04:430
2442699106845427,5246cyclictest427-21kworker/0:000:23:320
244269998835201,4671cyclictest427-21kworker/0:000:18:590
244269998375187,4639cyclictest27966-21kworker/0:023:04:250
244269996185076,4530cyclictest15167-21kworker/0:020:49:530
244269995985067,4521cyclictest15167-21kworker/0:019:53:070
244269994735004,4458cyclictest15167-21kworker/0:019:45:240
244269991834679,4500cyclictest26501-21kworker/0:222:17:420
244269991814683,4494cyclictest15167-21kworker/0:019:23:110
244269991704667,4492cyclictest15167-21kworker/0:021:33:030
244269991284643,4480cyclictest23830-21kworker/0:223:41:330
244269991044637,4456cyclictest15167-21kworker/0:020:37:510
244269990794619,4456cyclictest427-21kworker/0:000:01:130
244269990694601,4457cyclictest26501-21kworker/0:222:31:320
244269990614617,4440cyclictest15167-21kworker/0:019:34:020
244269990514609,4431cyclictest21531-21kworker/0:122:41:430
244269990364606,4425cyclictest15167-21kworker/0:020:33:140
244269989964574,4411cyclictest27966-21kworker/0:022:51:200
244269989394555,4373cyclictest15167-21kworker/0:020:58:130
244269988544711,4132cyclictest15167-21kworker/0:021:02:210
244269988534509,4333cyclictest15167-21kworker/0:019:19:410
244269988464502,4340cyclictest26501-21kworker/0:222:00:390
244269988304492,4327cyclictest15167-21kworker/0:021:28:090
244269987804478,4297cyclictest15167-21kworker/0:020:42:030
244269987404430,4299cyclictest15167-21kworker/0:021:10:290
244269987104437,4262cyclictest27966-21kworker/0:023:22:140
244269986054392,4209cyclictest26501-21kworker/0:222:26:470
244269985434359,4173cyclictest27966-21kworker/0:022:46:350
244269982754487,3737cyclictest27966-21kworker/0:023:11:400
244269982594179,4037cyclictest15167-21kworker/0:020:11:070
244269982424162,4066cyclictest15167-21kworker/0:019:59:020
244269981964225,3919cyclictest15167-21kworker/0:020:27:240
244269981934362,3827cyclictest15167-21kworker/0:021:23:290
244269980684193,3860cyclictest15167-21kworker/0:021:36:270
244269979434301,3582cyclictest27966-21kworker/0:023:16:020
244269978944232,3657cyclictest427-21kworker/0:000:14:320
244269977513945,3792cyclictest15167-21kworker/0:019:14:330
244269976663876,3767cyclictest26501-21kworker/0:221:54:500
244269975594042,3474cyclictest23830-21kworker/0:223:34:480
244269974433967,3424cyclictest427-21kworker/0:023:54:550
244269974174043,3323cyclictest15167-21kworker/0:019:36:110
244269971513813,3296cyclictest427-21kworker/0:023:59:210
244269971233792,3316cyclictest15167-21kworker/0:020:15:110
244269971183796,3270cyclictest26501-21kworker/0:222:11:580
244269970863826,3249cyclictest20868-21kworker/0:200:28:150
244269970823824,3247cyclictest15167-21kworker/0:020:24:440
244269970003782,3207cyclictest26501-21kworker/0:222:09:030
244269969783719,3245cyclictest15167-21kworker/0:021:17:410
244269969083739,3158cyclictest26501-21kworker/0:221:47:270
244269968843726,3146cyclictest15167-21kworker/0:021:42:520
244269968453689,3145cyclictest21531-21kworker/0:122:36:330
244269968133692,3110cyclictest27966-21kworker/0:023:26:500
244269968043691,3108cyclictest26501-21kworker/0:221:56:150
244269967423659,3079cyclictest15167-21kworker/0:019:26:500
244269966433563,3065cyclictest20868-21kworker/0:200:31:340
244269966393576,3007cyclictest15167-21kworker/0:020:53:540
244269965933476,3113cyclictest427-21kworker/0:000:05:520
244269965583556,2978cyclictest15167-21kworker/0:020:08:410
244269964823525,2952cyclictest15167-21kworker/0:019:41:410
244269963663472,2889cyclictest27966-21kworker/0:022:55:510
244269962583409,2844cyclictest28616-21kworker/0:100:38:150
244269962173383,2823cyclictest26501-21kworker/0:222:22:090
244269961363298,2823cyclictest23830-21kworker/0:223:39:560
244269960783170,2893cyclictest15167-21kworker/0:021:08:380
244269960483359,2638cyclictest27966-21kworker/0:023:07:150
242842750183,178sleep00-21swapper19:09:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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