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2025-12-18 - 08:52
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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 highest latencies:
System rack6slot5.osadl.org (updated Thu Dec 18, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2836399104365379,5046cyclictest25355-21kworker/0:121:01:590
2836399103835237,5135cyclictest5594-21kworker/0:122:24:360
283639998955107,4777cyclictest5594-21kworker/0:122:07:510
283639998695173,4685cyclictest26178-21kworker/0:023:38:110
283639997095109,4596cyclictest25355-21kworker/0:120:08:440
283639996785087,4581cyclictest25355-21kworker/0:119:51:300
283639995675034,4529cyclictest26178-21kworker/0:000:00:500
283639992384679,4548cyclictest2231-21kworker/0:221:57:010
283639991864653,4529cyclictest25355-21kworker/0:120:13:020
283639991394631,4497cyclictest20831-21kworker/0:121:41:300
283639990374585,4441cyclictest25355-21kworker/0:119:16:430
283639989844654,4319cyclictest25355-21kworker/0:120:17:460
283639989694651,4307cyclictest25355-21kworker/0:120:04:210
283639989544541,4409cyclictest25355-21kworker/0:119:39:110
283639989514534,4406cyclictest4874-21kworker/0:223:09:380
283639989224525,4386cyclictest25355-21kworker/0:120:48:200
283639988824488,4383cyclictest20831-21kworker/0:121:52:030
283639988804480,4349cyclictest25355-21kworker/0:120:30:080
283639988314454,4366cyclictest5594-21kworker/0:122:30:190
283639988104469,4331cyclictest29178-21kworker/0:022:47:270
283639987744600,4123cyclictest2231-21kworker/0:222:00:350
283639987514638,4102cyclictest25355-21kworker/0:121:20:290
283639987504409,4330cyclictest26178-21kworker/0:023:49:180
283639987334611,4117cyclictest5594-21kworker/0:122:13:220
283639985784551,4015cyclictest4874-21kworker/0:223:26:290
283639985234323,4189cyclictest4874-21kworker/0:223:20:510
283639981444334,3799cyclictest25355-21kworker/0:120:27:270
283639981114287,3772cyclictest25355-21kworker/0:119:45:410
283639978354254,3566cyclictest5594-21kworker/0:122:17:260
283639976703848,3779cyclictest25355-21kworker/0:120:51:130
283639975234073,3407cyclictest26178-21kworker/0:000:05:150
283639974743996,3473cyclictest26178-21kworker/0:023:54:560
283639974723870,3588cyclictest25355-21kworker/0:120:55:470
283639973653698,3624cyclictest25355-21kworker/0:119:41:300
283639973413987,3294cyclictest25355-21kworker/0:121:13:440
283639973173876,3390cyclictest20831-21kworker/0:121:34:350
283639972573971,3243cyclictest26178-21kworker/0:000:29:430
283639972103820,3375cyclictest4874-21kworker/0:223:30:440
283639971993835,3349cyclictest17743-21kworker/0:021:29:240
283639970823799,3272cyclictest25355-21kworker/0:119:20:050
283639970753783,3280cyclictest29178-21kworker/0:022:58:260
283639968273646,3166cyclictest25355-21kworker/0:119:25:480
283639968243651,3162cyclictest25355-21kworker/0:120:35:410
283639966393520,3068cyclictest4874-21kworker/0:223:02:190
283639966213630,2950cyclictest25355-21kworker/0:121:09:010
283639966213581,3026cyclictest25355-21kworker/0:120:21:070
283639965863605,2938cyclictest4874-21kworker/0:223:19:150
283639964493568,2838cyclictest26178-21kworker/0:000:17:410
283639964293556,2830cyclictest4874-21kworker/0:223:13:520
283639964103313,3046cyclictest20831-21kworker/0:121:45:200
283639963753510,2813cyclictest5594-21kworker/0:122:40:060
283639963273378,2889cyclictest25355-21kworker/0:119:33:310
283639962583371,2876cyclictest26178-21kworker/0:000:13:070
283639962353492,2740cyclictest25355-21kworker/0:119:13:200
283639961353388,2704cyclictest26178-21kworker/0:023:59:150
283639961203186,2891cyclictest25355-21kworker/0:120:42:340
283639960953383,2697cyclictest26178-21kworker/0:000:36:450
283639960773361,2664cyclictest20831-21kworker/0:121:39:550
283639960733257,2793cyclictest25355-21kworker/0:121:19:070
283639960693299,2766cyclictest25355-21kworker/0:119:55:470
283639960363242,2742cyclictest29178-21kworker/0:022:51:260
283639960153330,2634cyclictest26178-21kworker/0:000:23:340
283639951782652,2514cyclictest26178-21kworker/0:023:43:450
283639951222620,2498cyclictest5594-21kworker/0:122:35:550
283639944634395,45cyclictest26178-21kworker/0:000:32:100
283639938783794,34cyclictest5594-21kworker/0:122:28:430
280692835184,202sleep00-21swapper19:08:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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