[LLVMdev] Use perf tool for more accurate time measuring on Linux

[Chris Matthews]

I think this is a great idea! 

This won’t impact me though, since I don’t have any Linux testers.

CCing Daniel, in case he has an opinion.

On May 27, 2014, at 5:57 AM, Yi Kong <kongy.dev at gmail.com> wrote:

> As all review comments were taken into account, I believe the patch is
> ready to be committed. I plan on doing so sometime tomorrow unless any
> objection is raised by then.
> 
> On 22 May 2014 11:34, Yi Kong <kongy.dev at gmail.com> wrote:
>> Updated.
>> 
>> On 22 May 2014 07:54, Chandler Carruth <chandlerc at google.com> wrote:
>>> I should have mentioned this idea previously, but what about making the
>>> script gracefully degrade in the absence of these tools? That way builders
>>> won't regress but ones with the tools will just get better timing.
> <0001-Timeit-using-perf-on-Linux.patch>