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2025-12-14 - 07:27
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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 Sun Dec 14, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
203199102595452,4747cyclictest32060-21kworker/0:121:58:070
20319999945259,4730cyclictest23494-21kworker/0:119:23:420
20319993074831,4471cyclictest23494-21kworker/0:120:32:070
20319992374693,4533cyclictest23071-21kworker/0:021:29:240
20319992304788,4431cyclictest23494-21kworker/0:120:36:230
20319991964677,4515cyclictest23494-21kworker/0:120:18:230
20319991154632,4472cyclictest29380-21kworker/0:200:37:150
20319989494533,4405cyclictest23071-21kworker/0:021:34:570
20319989294536,4382cyclictest12950-21kworker/0:000:14:200
20319988214679,4131cyclictest7088-21kworker/0:223:55:220
20319987704462,4297cyclictest32060-21kworker/0:121:53:440
20319987164415,4249cyclictest23494-21kworker/0:120:48:100
20319987134429,4273cyclictest11154-21kworker/0:021:02:570
20319986764412,4253cyclictest26525-21kworker/0:123:43:020
20319985164336,4176cyclictest24121-21kworker/0:123:01:470
20319984744514,3955cyclictest23494-21kworker/0:120:05:140
20319984594312,4142cyclictest11154-21kworker/0:021:12:440
20319984274292,4124cyclictest23494-21kworker/0:119:27:420
20319983984280,4113cyclictest24121-21kworker/0:122:26:030
20319983494209,4089cyclictest23494-21kworker/0:119:18:110
20319981284088,4017cyclictest12950-21kworker/0:000:02:190
20319979804319,3609cyclictest7088-21kworker/0:223:53:470
20319979124220,3677cyclictest24121-21kworker/0:122:55:250
20319978594255,3552cyclictest29380-21kworker/0:200:30:000
20319976934128,3554cyclictest26525-21kworker/0:123:29:150
20319976304143,3435cyclictest23494-21kworker/0:120:43:510
20319976294086,3529cyclictest23071-21kworker/0:021:22:140
20319974614073,3373cyclictest32060-21kworker/0:122:04:000
20319973533934,3404cyclictest19723-21kworker/0:222:20:040
20319972993836,3420cyclictest19723-21kworker/0:222:15:310
20319972663965,3257cyclictest24121-21kworker/0:122:36:300
20319972263640,3536cyclictest23494-21kworker/0:119:42:190
20319971513803,3296cyclictest11154-21kworker/0:020:57:020
20319971383898,3189cyclictest16953-21kworker/0:023:06:490
20319970943722,3362cyclictest19422-21kworker/0:121:18:150
20319970923819,3262cyclictest23494-21kworker/0:119:52:370
20319969923763,3218cyclictest32060-21kworker/0:122:11:100
20319969883542,3403cyclictest24121-21kworker/0:122:51:420
20319969763728,3233cyclictest32060-21kworker/0:121:46:080
20319969633827,3121cyclictest12950-21kworker/0:000:06:500
20319968383706,3128cyclictest7088-21kworker/0:223:49:270
20319968233685,3127cyclictest12950-21kworker/0:000:19:590
20319967843723,3047cyclictest23494-21kworker/0:119:33:520
20319966953519,3171cyclictest23494-21kworker/0:120:00:580
20319966223635,2935cyclictest16953-21kworker/0:023:12:450
20319965153315,3176cyclictest16953-21kworker/0:023:22:480
20319965123529,2972cyclictest29380-21kworker/0:200:31:340
20319964373449,2936cyclictest12950-21kworker/0:000:24:120
20319964273549,2827cyclictest23494-21kworker/0:120:26:030
20319964233544,2836cyclictest32060-21kworker/0:121:39:130
20319964183529,2874cyclictest32060-21kworker/0:122:09:360
20319963023429,2862cyclictest23494-21kworker/0:119:35:460
20319960783082,2981cyclictest24121-21kworker/0:122:46:510
20319960603313,2736cyclictest23494-21kworker/0:120:54:010
20319960373299,2727cyclictest23494-21kworker/0:120:13:570
20319960103225,2770cyclictest24121-21kworker/0:122:30:290
20319959963283,2702cyclictest23494-21kworker/0:120:22:520
20319958953224,2660cyclictest23494-21kworker/0:119:48:010
20319957262893,2781cyclictest16953-21kworker/0:023:18:400
20319957173117,2589cyclictest11154-21kworker/0:021:07:420
20319954945401,44cyclictest23494-21kworker/0:119:55:250
20319952372969,2216cyclictest26525-21kworker/0:123:33:470
20319951805122,45cyclictest32060-21kworker/0:121:41:400
20319944504375,61cyclictest23494-21kworker/0:119:14:260
20319938282271,1542cyclictest26525-21kworker/0:123:36:320
20319937313639,78cyclictest24121-21kworker/0:122:42:070
325042810184,204sleep00-21swapper19:05:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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