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2025-11-08 - 19:52
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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 Sat Nov 08, 2025 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1803499100315321,4699cyclictest1002-21kworker/0:107:54:100
180349999295170,4748cyclictest1002-21kworker/0:108:25:250
180349998705145,4720cyclictest1002-21kworker/0:108:53:070
180349994935037,4441cyclictest28981-21kworker/0:010:14:150
180349994275037,4387cyclictest1002-21kworker/0:107:16:330
180349993514802,4539cyclictest4384-21kworker/0:011:24:100
180349993264770,4552cyclictest19463-21kworker/0:112:38:440
180349990484651,4386cyclictest28981-21kworker/0:010:19:590
180349990474651,4392cyclictest1002-21kworker/0:109:44:370
180349989154689,4223cyclictest1002-21kworker/0:107:13:550
180349988814763,4107cyclictest1002-21kworker/0:108:21:310
180349988724561,4300cyclictest1002-21kworker/0:107:58:100
180349988074525,4271cyclictest28981-21kworker/0:010:23:530
180349987794510,4258cyclictest14167-21kworker/0:110:35:490
180349987304491,4228cyclictest28981-21kworker/0:010:04:100
180349986944326,4353cyclictest1002-21kworker/0:109:12:540
180349986614317,4302cyclictest1002-21kworker/0:108:03:590
180349985574502,4044cyclictest1002-21kworker/0:108:33:160
180349985454245,4249cyclictest1002-21kworker/0:107:48:190
180349985434293,4240cyclictest21956-21kworker/0:109:52:300
180349985374377,4155cyclictest28981-21kworker/0:010:08:030
180349984954519,3925cyclictest27617-21kworker/0:111:02:190
180349983834311,4061cyclictest30285-21kworker/0:012:22:570
180349982934327,3923cyclictest30285-21kworker/0:012:04:480
180349982884314,3959cyclictest28981-21kworker/0:010:26:170
180349982704125,4130cyclictest1002-21kworker/0:109:07:120
180349982364293,3892cyclictest15117-21kworker/0:011:36:440
180349982314391,3789cyclictest19853-21kworker/0:211:48:380
180349981784313,3861cyclictest1002-21kworker/0:107:31:290
180349980034282,3678cyclictest1002-21kworker/0:107:29:280
180349979874065,3908cyclictest1002-21kworker/0:109:34:550
180349978994275,3619cyclictest1002-21kworker/0:109:01:010
180349978884123,3714cyclictest1002-21kworker/0:108:11:440
180349978044070,3719cyclictest1002-21kworker/0:109:19:010
180349977214030,3639cyclictest1002-21kworker/0:109:23:090
180349976824013,3618cyclictest1002-21kworker/0:109:39:120
180349976724007,3614cyclictest1002-21kworker/0:108:43:170
180349976714130,3526cyclictest1002-21kworker/0:108:59:080
180349976534003,3597cyclictest15117-21kworker/0:011:32:490
180349975984023,3564cyclictest1002-21kworker/0:108:09:440
180349975764111,3453cyclictest1002-21kworker/0:107:35:060
180349975323885,3636cyclictest30285-21kworker/0:012:10:400
180349975203935,3570cyclictest27617-21kworker/0:111:06:320
180349973943768,3574cyclictest19853-21kworker/0:211:56:330
180349973903837,3511cyclictest24239-21kworker/0:010:54:130
180349973233828,3444cyclictest1002-21kworker/0:107:40:460
180349971353743,3341cyclictest1002-21kworker/0:109:27:230
180349970823757,3314cyclictest17031-21kworker/0:010:43:550
180349970503696,3339cyclictest27617-21kworker/0:110:58:150
180349969513658,3242cyclictest14167-21kworker/0:110:34:200
180349969303538,3377cyclictest21956-21kworker/0:109:58:370
180349969283694,3230cyclictest1002-21kworker/0:108:37:180
180349968233740,3079cyclictest19853-21kworker/0:211:50:090
180349967943622,3161cyclictest30285-21kworker/0:012:30:500
180349967853605,3169cyclictest30285-21kworker/0:012:06:310
180349967523544,3156cyclictest1002-21kworker/0:107:21:510
180349966853520,3123cyclictest1002-21kworker/0:108:15:450
180349966523544,3097cyclictest20629-21kworker/0:110:48:060
180349966103376,3173cyclictest4384-21kworker/0:011:18:270
180349966023380,3171cyclictest30285-21kworker/0:012:25:120
180349964963406,3015cyclictest30285-21kworker/0:012:17:020
180349964163378,2979cyclictest19853-21kworker/0:211:41:140
180349964103482,2877cyclictest1002-21kworker/0:108:47:170
180349963683355,2998cyclictest19246-21kworker/0:209:47:040
180349962343290,2884cyclictest4384-21kworker/0:011:14:450
180349962033281,2879cyclictest11677-21kworker/0:211:26:250
172362862184,204sleep00-21swapper07:05:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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