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2025-12-24 - 17:42
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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 Wed Dec 24, 2025 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
396999103585162,5141cyclictest9771-21kworker/0:107:27:460
396999100125322,4685cyclictest18427-21kworker/0:008:05:580
39699999855305,4668cyclictest9771-21kworker/0:107:39:310
39699999005262,4627cyclictest18427-21kworker/0:008:24:130
39699998565238,4607cyclictest18427-21kworker/0:007:48:100
39699997055050,4644cyclictest31889-21kworker/0:010:44:310
39699993865022,4361cyclictest25339-21kworker/0:207:13:080
39699993514805,4542cyclictest27430-21kworker/0:012:38:570
39699992424747,4484cyclictest9771-21kworker/0:107:43:490
39699992304734,4485cyclictest20400-21kworker/0:011:31:180
39699991664710,4445cyclictest7603-21kworker/0:112:14:100
39699990874674,4409cyclictest9771-21kworker/0:107:31:340
39699990374642,4384cyclictest14394-21kworker/0:011:11:590
39699989244590,4323cyclictest9771-21kworker/0:107:23:460
39699988584451,4391cyclictest7454-21kworker/0:010:13:110
39699988534556,4293cyclictest18427-21kworker/0:008:53:020
39699988404546,4283cyclictest7454-21kworker/0:010:00:570
39699988384545,4282cyclictest18427-21kworker/0:008:28:570
39699987264384,4338cyclictest25781-21kworker/0:210:38:140
39699986884474,4203cyclictest18427-21kworker/0:007:57:020
39699984954332,4149cyclictest18427-21kworker/0:009:11:220
39699983044214,4006cyclictest18427-21kworker/0:007:51:110
39699980874223,3813cyclictest25339-21kworker/0:207:18:070
39699980774003,3987cyclictest18427-21kworker/0:008:13:230
39699980274239,3777cyclictest7603-21kworker/0:112:19:570
39699979054233,3628cyclictest18427-21kworker/0:009:22:320
39699978844212,3612cyclictest18427-21kworker/0:009:06:180
39699978844016,3808cyclictest3595-21kworker/0:210:56:140
39699978254219,3582cyclictest25781-21kworker/0:210:31:490
39699978024077,3673cyclictest20352-21kworker/0:110:17:540
39699977964076,3704cyclictest3595-21kworker/0:210:48:540
39699976273942,3670cyclictest18427-21kworker/0:008:41:580
39699976154183,3417cyclictest3595-21kworker/0:210:51:220
39699975994185,3363cyclictest18427-21kworker/0:008:37:070
39699974783934,3529cyclictest20400-21kworker/0:011:36:170
39699973633864,3456cyclictest20400-21kworker/0:011:29:440
39699972663756,3506cyclictest18427-21kworker/0:009:36:590
39699972643810,3403cyclictest18427-21kworker/0:008:32:200
39699971213838,3222cyclictest18427-21kworker/0:008:56:280
39699970523809,3200cyclictest3595-21kworker/0:211:03:150
39699970453806,3188cyclictest20400-21kworker/0:011:48:590
39699969883667,3261cyclictest20400-21kworker/0:011:22:360
39699969713704,3256cyclictest2097-21kworker/0:109:48:580
39699969493686,3252cyclictest20400-21kworker/0:011:50:340
39699969493647,3287cyclictest18427-21kworker/0:009:41:410
39699968123637,3170cyclictest17390-21kworker/0:211:18:080
39699968053625,3175cyclictest20400-21kworker/0:011:44:220
39699967573651,3055cyclictest25781-21kworker/0:210:29:170
39699967253592,3122cyclictest7454-21kworker/0:010:06:230
39699967053615,3015cyclictest7603-21kworker/0:112:07:010
39699966833567,3105cyclictest18427-21kworker/0:008:48:150
39699966793518,3109cyclictest18427-21kworker/0:009:28:200
39699965793452,3067cyclictest7454-21kworker/0:009:59:350
39699965573506,3040cyclictest18427-21kworker/0:009:02:490
39699965133327,3126cyclictest7603-21kworker/0:112:24:490
39699965003414,3010cyclictest18427-21kworker/0:008:17:570
39699964313396,2983cyclictest20352-21kworker/0:110:23:200
39699964033298,3081cyclictest3595-21kworker/0:211:05:450
39699962083188,2978cyclictest7454-21kworker/0:009:53:300
39699962023328,2863cyclictest7603-21kworker/0:112:32:390
39699961793433,2704cyclictest18427-21kworker/0:008:04:320
39699961663362,2744cyclictest7603-21kworker/0:112:01:180
39699961573305,2841cyclictest7603-21kworker/0:112:26:250
39699961103020,3006cyclictest18427-21kworker/0:009:17:040
39699951282581,2523cyclictest18427-21kworker/0:009:30:470
39699949082581,2316cyclictest20400-21kworker/0:011:56:390
33682865186,203sleep00-21swapper07:06:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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