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2024-04-19 - 03:43
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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 Apr 19, 2024 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2699999105555348,5183cyclictest13118-21kworker/0:220:31:340
2699999105045326,5164cyclictest13118-21kworker/0:219:25:410
2699999104245618,4803cyclictest7685-21kworker/0:123:20:500
2699999104245419,5003cyclictest7685-21kworker/0:123:58:330
2699999100015270,4720cyclictest1877-21kworker/0:000:23:080
269999997585156,4591cyclictest13118-21kworker/0:219:30:100
269999997385278,4457cyclictest7685-21kworker/0:122:57:320
269999997115154,4554cyclictest7685-21kworker/0:123:37:520
269999996955147,4545cyclictest13118-21kworker/0:221:37:220
269999996405119,4518cyclictest16168-21kworker/0:022:17:040
269999996095104,4502cyclictest30517-21kworker/0:121:48:410
269999995995102,4494cyclictest13118-21kworker/0:220:00:000
269999995255053,4469cyclictest7685-21kworker/0:123:00:090
269999995115055,4453cyclictest7685-21kworker/0:123:44:110
269999994785139,4336cyclictest13118-21kworker/0:220:35:570
269999993954987,4405cyclictest25300-21kworker/0:200:09:090
269999993764987,4386cyclictest7685-21kworker/0:123:47:030
269999993614655,4692cyclictest13118-21kworker/0:220:48:220
269999992564611,4630cyclictest13118-21kworker/0:220:53:590
269999991874578,4605cyclictest7685-21kworker/0:123:34:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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