Re: [PATCH 5/5] perf core: Reduce perf event output overhead by new overflow handler

[Peter Zijlstra]

On Mon, Mar 14, 2016 at 09:59:45AM +0000, Wang Nan wrote:
> By creating onward and backward specific overflow handlers and setting
> them according to event's backward setting, normal sampling events
> don't need checking backward setting of an event any more.

The normal antonym of backward is forward. Onward does not indicate a
direction per se, its more a continuance or progression of a previously
set goal.

Also, just squash these last two patches together.