Comments (4)
@edillmann It already is, by the way. The RX thread sleeps waiting for the event which arrives from the ISR.
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Yes, it is interrupt/event driven with wait queues, so it should not use 100%, unless there is something wrong...
What does debug dmesg say when it hits 100% cpu?
Unfortunate;y I do not have an access to working setup now so I cannot check this. @sergey-suloev do you have maybe a working setup and if so could you please check cpu usage of rx thread?
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@mciupak I don't have either.
But when I was testing it (about 2-3 mon ago) there was NO 100% usage. Never.
My test environment was an Allwinner H3-based board, kernel 4.20.
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Neither I haven't seen such behavior.
@edillmann Please share more details regarding you build and setup. And dmesg logs as well. There is also status register printed to dmesg if you read it via sysfs.
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