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2026-01-02 - 13:24
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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 highest latencies:
System rack6slot5.osadl.org (updated Fri Jan 02, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
223049998925230,4651cyclictest12345-21kworker/0:020:07:390
223049998345208,4622cyclictest1024-21kworker/0:021:05:020
223049997225147,4564cyclictest12345-21kworker/0:019:23:040
223049993774790,4576cyclictest29651-21kworker/0:100:23:320
223049992194715,4499cyclictest2438-21kworker/0:122:19:460
223049991974684,4502cyclictest10224-21kworker/0:121:30:100
223049991074655,4440cyclictest12345-21kworker/0:019:26:400
223049990444725,4308cyclictest20827-21kworker/0:223:32:310
223049989704799,4168cyclictest12345-21kworker/0:019:16:010
223049989164559,4346cyclictest12345-21kworker/0:019:30:190
223049988114510,4297cyclictest1024-21kworker/0:021:19:420
223049987984499,4288cyclictest8758-21kworker/0:200:36:150
223049987784493,4274cyclictest12345-21kworker/0:019:50:190
223049987594486,4269cyclictest13035-21kworker/0:120:12:180
223049987274462,4254cyclictest12345-21kworker/0:019:46:090
223049984924346,4135cyclictest10224-21kworker/0:121:58:180
223049984904343,4136cyclictest29651-21kworker/0:100:17:300
223049984844585,3848cyclictest13035-21kworker/0:120:45:550
223049984364318,4107cyclictest10224-21kworker/0:121:40:530
223049982884387,3850cyclictest20827-21kworker/0:223:42:530
223049981744430,3702cyclictest10224-21kworker/0:121:23:140
223049981514122,3978cyclictest13035-21kworker/0:120:15:070
223049978994250,3638cyclictest13035-21kworker/0:120:20:540
223049978073887,3905cyclictest13035-21kworker/0:120:41:160
223049978063849,3897cyclictest10224-21kworker/0:121:39:170
223049977103959,3740cyclictest20827-21kworker/0:222:54:270
223049976894188,3441cyclictest13035-21kworker/0:120:54:470
223049976713782,3837cyclictest1024-21kworker/0:021:03:360
223049976694079,3530cyclictest13035-21kworker/0:120:59:120
223049975803844,3684cyclictest12345-21kworker/0:019:36:220
223049975614129,3382cyclictest20827-21kworker/0:223:05:130
223049975044122,3367cyclictest29651-21kworker/0:100:09:400
223049974583967,3431cyclictest12345-21kworker/0:019:40:340
223049973543924,3379cyclictest2438-21kworker/0:122:29:270
223049973283930,3383cyclictest20827-21kworker/0:223:12:120
223049972993894,3353cyclictest20827-21kworker/0:223:36:510
223049972704026,3230cyclictest29651-21kworker/0:100:04:350
223049972333853,3329cyclictest2438-21kworker/0:122:34:520
223049972193512,3549cyclictest12345-21kworker/0:020:01:210
223049971713925,3186cyclictest8758-21kworker/0:200:34:390
223049971353763,3368cyclictest2438-21kworker/0:122:36:290
223049970853748,3327cyclictest2438-21kworker/0:122:13:510
223049970363662,3359cyclictest10224-21kworker/0:121:28:470
223049969123757,3144cyclictest10224-21kworker/0:121:46:350
223049969083755,3141cyclictest13035-21kworker/0:120:29:300
223049968643802,3048cyclictest31608-21kworker/0:022:07:080
223049967733686,3075cyclictest20827-21kworker/0:223:57:150
223049967223709,2962cyclictest20827-21kworker/0:223:49:130
223049966903646,3033cyclictest13035-21kworker/0:120:38:120
223049966903587,3089cyclictest20827-21kworker/0:223:23:540
223049965823534,2996cyclictest10224-21kworker/0:121:50:520
223049965753586,2978cyclictest12345-21kworker/0:019:58:320
223049965703493,3066cyclictest20827-21kworker/0:223:00:360
223049965513513,2987cyclictest2438-21kworker/0:122:41:110
223049965143348,3151cyclictest12345-21kworker/0:019:14:400
223049964213399,3007cyclictest1024-21kworker/0:021:13:040
223049963973502,2890cyclictest13035-21kworker/0:120:33:460
223049963823449,2881cyclictest2438-21kworker/0:122:23:580
223049963813436,2903cyclictest20827-21kworker/0:222:46:470
223049963183519,2749cyclictest20827-21kworker/0:222:58:590
223049961123245,2843cyclictest20827-21kworker/0:223:26:220
223049960253263,2711cyclictest8758-21kworker/0:200:27:540
223049959553312,2582cyclictest31608-21kworker/0:022:02:420
223049959153244,2666cyclictest20827-21kworker/0:223:50:490
223049958383125,2702cyclictest20827-21kworker/0:223:19:380
223049942472425,1811cyclictest29651-21kworker/0:100:11:160
220602782186,204sleep00-21swapper19:08:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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