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

From: Alexei Starovoitov
Date: Tue Jan 19 2016 - 12:42:53 EST

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.