Re: x86_64 Compiler Output Kernel Bloat v4.4

From: Steven Rostedt
Date: Wed Jan 20 2016 - 09:40:46 EST


On Tue, 19 Jan 2016 08:47:04 -0700
Jeff Merkey <linux.mdb@xxxxxxxxx> wrote:


> I'll check my CONFIG and see if there's a way to turn this off.
> vmlinux.o is at 385MB on my build -- about 20% of that is this NOP
> instruction for a trace program that in most cases is probably never
> used. Oink ... Oink ... Oink ...
>

The bloat is well known and was a sacrifice for the feature. This
feature is optional. If you don't like it, simple disable all tracing.
Then you'll save a lot of kernel text.

-- Steve