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2025-11-15 - 09:08
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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 Sat Nov 15, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142899100155297,4714cyclictest3252-21kworker/0:019:41:360
14289997795174,4594cyclictest22517-21kworker/0:100:30:280
14289997605071,4678cyclictest10283-21kworker/0:223:53:430
14289997525167,4581cyclictest3252-21kworker/0:019:30:240
14289995795075,4493cyclictest20465-21kworker/0:121:04:420
14289994554732,4712cyclictest22517-21kworker/0:100:16:120
14289994264709,4702cyclictest22517-21kworker/0:100:25:580
14289993164741,4564cyclictest20465-21kworker/0:120:12:410
14289992174616,4590cyclictest23443-21kworker/0:123:45:230
14289992024707,4484cyclictest20465-21kworker/0:120:04:330
14289991704691,4475cyclictest20465-21kworker/0:121:12:550
14289991674669,4487cyclictest23443-21kworker/0:123:37:090
14289991394671,4456cyclictest20465-21kworker/0:121:20:490
14289991104656,4443cyclictest20465-21kworker/0:121:16:440
14289991104640,4458cyclictest10283-21kworker/0:200:07:430
14289991044871,4230cyclictest3252-21kworker/0:019:19:380
14289990534632,4416cyclictest20465-21kworker/0:121:08:550
14289989984600,4387cyclictest31275-21kworker/0:122:31:480
14289989834597,4382cyclictest31275-21kworker/0:122:23:520
14289989594484,4464cyclictest31275-21kworker/0:121:50:350
14289989414557,4373cyclictest22517-21kworker/0:100:20:130
14289989374671,4255cyclictest20465-21kworker/0:120:28:200
14289989354571,4353cyclictest23443-21kworker/0:123:23:570
14289988384520,4307cyclictest31275-21kworker/0:122:27:500
14289988344717,4106cyclictest20465-21kworker/0:120:08:340
14289987874698,4085cyclictest3252-21kworker/0:019:49:190
14289987294331,4384cyclictest20465-21kworker/0:120:58:530
14289987174543,4151cyclictest20465-21kworker/0:120:20:240
14289986624300,4310cyclictest20465-21kworker/0:120:18:510
14289986524275,4325cyclictest3252-21kworker/0:019:25:000
14289986364306,4315cyclictest31275-21kworker/0:122:49:550
14289986014405,4185cyclictest31275-21kworker/0:122:36:160
14289986004264,4320cyclictest20465-21kworker/0:119:59:100
14289985974286,4295cyclictest20465-21kworker/0:120:36:120
14289982664405,3818cyclictest14425-21kworker/0:223:06:070
14289978854238,3631cyclictest31275-21kworker/0:122:07:550
14289977624051,3660cyclictest3330-21kworker/0:100:37:190
14289977534123,3579cyclictest10283-21kworker/0:200:14:450
14289976934100,3551cyclictest20465-21kworker/0:120:42:090
14289975294043,3471cyclictest3252-21kworker/0:019:14:590
14289973123796,3501cyclictest31275-21kworker/0:122:01:200
14289972483803,3430cyclictest20465-21kworker/0:121:27:220
14289972233578,3594cyclictest20465-21kworker/0:120:46:350
14289971493647,3450cyclictest31275-21kworker/0:122:52:180
14289971183506,3561cyclictest20465-21kworker/0:120:34:390
14289970953849,3235cyclictest3252-21kworker/0:019:53:140
14289970833747,3325cyclictest14425-21kworker/0:223:03:270
14289969943801,3188cyclictest28358-21kworker/0:021:38:010
14289969523783,3164cyclictest31275-21kworker/0:121:46:030
14289968963753,3138cyclictest3252-21kworker/0:019:27:020
14289968793509,3355cyclictest20465-21kworker/0:120:50:510
14289968623732,3119cyclictest31275-21kworker/0:122:59:100
14289966913495,3145cyclictest23443-21kworker/0:123:18:290
14289966333504,3114cyclictest31275-21kworker/0:122:14:290
14289966093509,3089cyclictest28358-21kworker/0:021:42:010
14289964913550,2936cyclictest23443-21kworker/0:123:41:070
14289964613314,3132cyclictest31275-21kworker/0:121:57:130
14289964563316,3088cyclictest14425-21kworker/0:223:10:150
14289964463358,3001cyclictest3252-21kworker/0:019:35:520
14289964303416,3003cyclictest10283-21kworker/0:223:58:170
14289963583327,2980cyclictest20465-21kworker/0:121:31:590
14289963253324,2986cyclictest23443-21kworker/0:123:31:260
14289963173323,2979cyclictest31275-21kworker/0:122:43:470
14289963133359,2943cyclictest31275-21kworker/0:122:15:540
14289960853346,2734cyclictest10283-21kworker/0:200:03:010
14289956732879,2735cyclictest23443-21kworker/0:123:26:430
12722807184,203sleep00-21swapper19:09:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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