On Nov 26, 2012, at 12:58 PM, abhinav narain wrote:
> @Guy,
> Basically, I was adding my own header (instead of radiotap) in kernel and
> processing it in userland with my own code. Basically I wrote my own pcap
> for that.
For your own radio header, what you'd need would be:
your own
@Guy,
Basically, I was adding my own header (instead of radiotap) in kernel and
processing it in userland with my own code. Basically I wrote my own pcap
for that.
Since, I did not get the performance, Now I have added extra fields in
radiotap.
But I still see high CPU usage.
Its interesting that y
> hi,
> I just checked the two mechanism :
> (1) Using mmap to fetch packets from kernel to userspace
> (2) Using recvfrom() call to fetch packets
>
> I see top reports
> (1) 34% memory 20% cpu usage
> (2) 21% memory 7% cpu usage !
It is worth remembering that the cpu usage reported by top isn'
On Nov 5, 2012, at 11:03 AM, abhinav narain wrote:
> I just checked the two mechanism :
> (1) Using mmap to fetch packets from kernel to userspace
> (2) Using recvfrom() call to fetch packets
>
> I see top reports
> (1) 34% memory 20% cpu usage
> (2) 21% memory 7% cpu usage !
>
> I wanted a p
