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2024-04-27 - 04:24
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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 Sat Apr 27, 2024 00:43:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
566499102905541,4746cyclictest4406-21kworker/0:119:32:110
566499102745427,4844cyclictest13835-21kworker/0:222:03:330
56649999985362,4621cyclictest26249-21kworker/0:122:16:180
56649999295352,4574cyclictest4406-21kworker/0:120:46:120
56649999105227,4679cyclictest4406-21kworker/0:120:25:300
56649999095342,4564cyclictest4406-21kworker/0:121:08:420
56649998915085,4767cyclictest4406-21kworker/0:119:38:440
56649998605319,4538cyclictest4406-21kworker/0:119:43:070
56649998525293,4545cyclictest4406-21kworker/0:119:27:440
56649998315303,4525cyclictest4406-21kworker/0:119:45:540
56649997975128,4655cyclictest26249-21kworker/0:122:21:070
56649997505262,4485cyclictest4406-21kworker/0:121:00:420
56649997395153,4583cyclictest28381-21kworker/0:123:02:310
56649996875131,4553cyclictest24312-21kworker/0:100:01:390
56649996075091,4513cyclictest4406-21kworker/0:119:54:130
56649995805078,4499cyclictest28381-21kworker/0:123:05:200
56649995685072,4493cyclictest24568-21kworker/0:022:56:310
56649995065143,4360cyclictest13835-21kworker/0:222:06:230
56649995065040,4463cyclictest4752-21kworker/0:223:41:010
56649994955136,4356cyclictest4406-21kworker/0:120:30:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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