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2025-06-19 - 02:30
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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 50 highest latencies:
System rack6slot5.osadl.org (updated Thu Jun 19, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2454499109635638,5311cyclictest26468-21kworker/0:123:47:400
245449999375235,4691cyclictest22634-21kworker/0:020:09:380
245449999305205,4674cyclictest22634-21kworker/0:019:46:420
245449998765210,4661cyclictest22634-21kworker/0:019:28:030
245449996995117,4570cyclictest30746-21kworker/0:120:58:050
245449996645099,4554cyclictest1111-21kworker/0:122:25:350
245449992124687,4520cyclictest1111-21kworker/0:122:30:100
245449992074671,4531cyclictest1111-21kworker/0:122:21:030
245449990864631,4450cyclictest4173-21kworker/0:000:03:070
245449990774617,4455cyclictest21260-21kworker/0:200:37:490
245449990744724,4346cyclictest22634-21kworker/0:019:24:050
245449990484613,4431cyclictest21511-21kworker/0:021:43:280
245449990424591,4446cyclictest21511-21kworker/0:021:53:170
245449989324548,4373cyclictest18748-21kworker/0:220:44:270
245449988884529,4348cyclictest22634-21kworker/0:020:01:170
245449988774517,4355cyclictest23527-21kworker/0:223:54:050
245449988754503,4367cyclictest4173-21kworker/0:000:11:450
245449987654652,4109cyclictest1111-21kworker/0:122:59:150
245449987524658,4082cyclictest11541-21kworker/0:023:40:010
245449987444657,4076cyclictest30746-21kworker/0:121:20:190
245449987294447,4271cyclictest22634-21kworker/0:019:52:460
245449985234301,4171cyclictest18748-21kworker/0:220:47:160
245449984414504,3926cyclictest22634-21kworker/0:020:13:590
245449983544437,3874cyclictest1111-21kworker/0:122:43:030
245449980074241,3723cyclictest1111-21kworker/0:122:47:400
245449979364004,3880cyclictest22634-21kworker/0:019:30:070
245449979084208,3685cyclictest1111-21kworker/0:123:07:180
245449977393905,3783cyclictest30746-21kworker/0:120:51:470
245449976853878,3764cyclictest18748-21kworker/0:220:38:250
245449975553914,3617cyclictest30746-21kworker/0:121:10:040
245449974784024,3443cyclictest4173-21kworker/0:000:25:090
245449974543981,3459cyclictest30746-21kworker/0:121:01:080
245449973423911,3379cyclictest1111-21kworker/0:122:19:380
245449972123883,3318cyclictest1111-21kworker/0:123:04:040
245449971993856,3329cyclictest21260-21kworker/0:200:31:570
245449971663867,3289cyclictest1111-21kworker/0:122:11:580
245449971323745,3376cyclictest1111-21kworker/0:122:54:040
245449971123746,3362cyclictest21511-21kworker/0:021:38:460
245449971053818,3283cyclictest18748-21kworker/0:220:22:510
245449971003819,3276cyclictest30746-21kworker/0:121:29:340
245449970983816,3271cyclictest21511-21kworker/0:021:58:100
245449970833817,3255cyclictest1111-21kworker/0:122:02:470
245449970713794,3263cyclictest30746-21kworker/0:121:14:280
245449967993684,3104cyclictest22634-21kworker/0:019:35:580
245449967683669,3088cyclictest18748-21kworker/0:220:18:200
245449967303594,3084cyclictest18748-21kworker/0:220:25:380
245449966973592,3053cyclictest22634-21kworker/0:019:59:330
245449966973584,3062cyclictest1111-21kworker/0:122:05:560
245449966753616,3048cyclictest11541-21kworker/0:023:31:060
245449966063638,2925cyclictest11541-21kworker/0:023:16:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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