Re: [PATCH 1/2] kbuild: Support split debug info v3

Andi Kleen
2014-07-23T18:28:06Z

> echo time make -j4 -s KCFLAGS=-gsplit-dwarf
> time make -j4 -s KCFLAGS=-gsplit-dwarf
> echo time make -j4 -s KCFLAGS=-g
> time make -j4 -s KCFLAGS=-g
> echo time make -j4 -s KCFLAGS=-gsplit-dwarf
> time make -j4 -s KCFLAGS=-gsplit-dwarf
> echo time make -j4 -s KCFLAGS=-g
> time make -j4 -s KCFLAGS=-g
> echo time make -j4 -s KCFLAGS=-gsplit-dwarf
> time make -j4 -s KCFLAGS=-gsplit-dwarf
> echo time make -j4 -s KCFLAGS=-g
> time make -j4 -s KCFLAGS=-g
>
> The figures are from last run - but the other runs had compareable times.
> So in short I see a ~3 seconds speedup - out of 210 seconds.
> Thats less than I anticipated.

Thanks. How much smaller is it?

Just saving disk space is a good thing.

-Andi

--
ak@linux.intel.com -- Speaking for myself only.