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2026-04-02 - 13:12
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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 Thu Apr 02, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2902599106555399,5246cyclictest17231-21kworker/0:123:44:230
2902599102375289,4937cyclictest4462-21kworker/0:220:05:350
290259999625229,4682cyclictest1747-21kworker/0:222:01:350
290259998645208,4645cyclictest1747-21kworker/0:222:08:060
290259998315188,4632cyclictest4462-21kworker/0:220:28:110
290259998265192,4629cyclictest4462-21kworker/0:220:01:520
290259998185175,4632cyclictest4462-21kworker/0:221:22:400
290259998155170,4633cyclictest1747-21kworker/0:221:54:340
290259997895168,4610cyclictest4462-21kworker/0:219:27:570
290259997355143,4587cyclictest4462-21kworker/0:219:43:030
290259996755109,4555cyclictest4462-21kworker/0:219:58:000
290259992714830,4430cyclictest4462-21kworker/0:219:20:480
290259992474812,4424cyclictest3280-21kworker/0:222:54:240
290259991084646,4458cyclictest17231-21kworker/0:123:35:440
290259990054576,4418cyclictest12238-21kworker/0:022:36:090
290259989754563,4401cyclictest4462-21kworker/0:221:14:350
290259988834682,4159cyclictest12238-21kworker/0:022:22:570
290259988744530,4339cyclictest4462-21kworker/0:220:24:160
290259988624526,4332cyclictest17231-21kworker/0:123:48:120
290259988284601,4216cyclictest4462-21kworker/0:220:31:550
290259988154461,4303cyclictest4462-21kworker/0:220:41:390
290259987754480,4284cyclictest14290-21kworker/0:100:12:540
290259987574531,4183cyclictest24254-21kworker/0:000:35:460
290259986784424,4249cyclictest3280-21kworker/0:223:10:100
290259986744423,4246cyclictest12238-21kworker/0:022:32:210
290259986704426,4239cyclictest4462-21kworker/0:219:39:070
290259986354256,4327cyclictest4462-21kworker/0:220:53:300
290259985274352,4164cyclictest20888-21kworker/0:021:38:520
290259985184241,4266cyclictest24254-21kworker/0:000:33:180
290259984774417,4049cyclictest1747-21kworker/0:221:58:510
290259984744186,4228cyclictest4462-21kworker/0:219:18:230
290259984474186,4209cyclictest4462-21kworker/0:220:49:250
290259984314502,3918cyclictest4462-21kworker/0:221:06:530
290259982804382,3846cyclictest20888-21kworker/0:021:29:000
290259982004057,4129cyclictest4462-21kworker/0:219:33:280
290259981644396,3725cyclictest3280-21kworker/0:223:16:470
290259981494027,4070cyclictest4462-21kworker/0:220:11:330
290259978294098,3720cyclictest20888-21kworker/0:021:34:490
290259978104191,3614cyclictest20888-21kworker/0:021:46:350
290259977543925,3778cyclictest4462-21kworker/0:219:48:460
290259976994214,3470cyclictest3280-21kworker/0:223:04:330
290259976723882,3738cyclictest4462-21kworker/0:219:52:100
290259976264174,3437cyclictest14290-21kworker/0:100:15:260
290259976254055,3510cyclictest4462-21kworker/0:220:37:460
290259975904035,3504cyclictest11590-21kworker/0:000:06:430
290259975694125,3384cyclictest17231-21kworker/0:123:25:230
290259973593924,3383cyclictest20888-21kworker/0:021:41:170
290259971773768,3398cyclictest14290-21kworker/0:100:29:030
290259970553669,3335cyclictest17231-21kworker/0:123:50:430
290259968943846,3045cyclictest4462-21kworker/0:219:13:340
290259968243602,3211cyclictest17231-21kworker/0:123:31:210
290259968043692,3101cyclictest12238-21kworker/0:022:28:140
290259967973734,2981cyclictest4462-21kworker/0:221:01:190
290259967573319,3378cyclictest4462-21kworker/0:220:19:190
290259967043598,3055cyclictest17231-21kworker/0:123:20:520
290259966993631,3057cyclictest4462-21kworker/0:220:55:130
290259965213501,2969cyclictest4462-21kworker/0:221:16:540
290259964943489,2953cyclictest14290-21kworker/0:100:23:120
290259964783503,2960cyclictest12238-21kworker/0:022:45:290
290259964283559,2817cyclictest3280-21kworker/0:222:56:490
290259964163568,2797cyclictest17231-21kworker/0:100:02:420
290259963373311,2966cyclictest1747-21kworker/0:222:10:510
290259963013325,2953cyclictest12238-21kworker/0:022:42:340
290259962153360,2803cyclictest17231-21kworker/0:123:58:360
290259961733349,2810cyclictest3280-21kworker/0:223:08:190
290259961523420,2682cyclictest12238-21kworker/0:022:19:090
289372808185,204sleep00-21swapper19:09:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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