Re: [PATCH 0/6] perf core: Read from overwrite ring buffer

[Alexei Starovoitov]

On Tue, Jan 19, 2016 at 11:16:44AM +0000, Wang Nan wrote:
> This patchset introduces two methods to support reading from overwrite.
> 
>  1) Tailsize: write the size of an event at the end of it
>  2) Backward writing: write the ring buffer from the end of it to the
>     beginning.

what happend with your other idea of moving the whole header to the end?
That felt better than either of these options.