comparing parallel test runs

[Marek Polacek]

On Wed, May 17, 2017 at 09:13:40AM -0600, Jeff Law wrote:
> On 05/17/2017 04:23 AM, Aldy Hernandez wrote:
> > Hi folks.
> > 
> > I've been having troubles comparing the results of different test runs
> > for quite some time, and have finally decided to whine about it. Perhaps
> > someone can point out to whatever I may be doing wrong.
> > 
> > I generally do "make check -k -j60" on two different trees and compare
> Make sure you've got Andi's patch installed and report back.  It's
> supposed to help with smaller -j loads, but it's unclear if it's enough
> to address the problems with higher loads like you're using.

I'm still seeing spurious tree-prof failures there (with -j48).

	Marek