Re: [tip:perf/urgent] perf hists: Fix determination of a callchain node's childlessness

[Andres Freund]

Hi,

On 2016-05-02 16:24:08 -0700, Greg KH wrote:
> On Mon, May 02, 2016 at 03:25:25PM -0700, Andres Freund wrote:
> > On 2016-05-02 15:17:54 -0700, Greg KH wrote:
> > Sorry for that, I'd used git describe on the commit to determine which
> > branch it was contained in (outputting v4.3-1188-g4b3a321). That
> > obviously doesn't make sense though, as that just returns the state of
> > the tree at which 4b3a3212233a was introduced, not the commit it was
> > merged into mainline.
> 
> I have an alias in my .gitconfig:
> [alias]
> 	dc = describe --contains
> 
> which is what you need here:
> 	$ git dc 4b3a3212233a
> 	v4.5-rc1~171^2~43^2~3
> 
> hope this helps,

Ah, perfect. Thanks. I made do with git tag --contains, but that's
awfully slow; describe --contains is a lot faster.


Andres