Messages in this thread | | | Date | Wed, 20 Jan 2016 09:37:42 +0800 | From | "Wangnan (F)" <> | Subject | Re: [PATCH 0/6] perf core: Read from overwrite ring buffer |
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On 2016/1/20 1:42, Alexei Starovoitov wrote: > 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.
I'll try it today. However, putting all of the three together is not as easy as this patchset.
Thank you.
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