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2024-11-22 - 16:45
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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 20 highest latencies:
System rack6slot5.osadl.org (updated Fri Nov 22, 2024 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295299116736082,5587cyclictest1955-21kworker/0:111:40:140
295299107195584,5084cyclictest1955-21kworker/0:111:59:000
295299101705137,5022cyclictest18795-21kworker/0:109:21:570
295299101685146,5011cyclictest18795-21kworker/0:108:16:530
295299100785276,4791cyclictest11375-21kworker/0:210:04:580
29529997415119,4611cyclictest1955-21kworker/0:111:36:160
29529996655073,4581cyclictest26714-21kworker/0:207:40:350
29529996545073,4570cyclictest26714-21kworker/0:207:20:350
29529996325066,4562cyclictest11375-21kworker/0:210:28:040
29529996235061,4558cyclictest18795-21kworker/0:108:04:300
29529993654745,4609cyclictest18795-21kworker/0:108:41:240
29529992674870,4383cyclictest26714-21kworker/0:207:18:180
29529990634581,4470cyclictest30314-21kworker/0:009:42:350
29529989124517,4385cyclictest18795-21kworker/0:108:49:210
29529988674484,4368cyclictest11375-21kworker/0:210:13:020
29529988364686,4146cyclictest4457-21kworker/0:109:46:430
29529987694444,4314cyclictest18795-21kworker/0:109:30:070
29529986634588,4064cyclictest31109-21kworker/0:211:32:120
29529986584388,4259cyclictest11375-21kworker/0:210:57:370
29529986444578,4054cyclictest1955-21kworker/0:112:04:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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