linux-kernel - Re: Average number of instructions per line of kernel code

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <40378e40708300648i4f016906v60f821bf182a5633@mail.gmail.com>
Date:	Thu, 30 Aug 2007 15:48:35 +0200
From:	"Mohamed Bamakhrama" <bamakhrama@...il.com>
To:	"Jesper Juhl" <jesper.juhl@...il.com>
Cc:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Subject: Re: Average number of instructions per line of kernel code

On 8/30/07, Jesper Juhl <jesper.juhl@...il.com> wrote:
> On 30/08/2007, Mohamed Bamakhrama <bamakhrama@...il.com> wrote:
> > Hi all,
> > I have a question regarding the average number of assembly
> > instructions per line of kernel code. I know that this is a difficult
> > question since it depends on many factors such as the instruction set
> > architecture, compiler used, optimizations used, type of code, coding
> > style, etc...
> > I would like to know a rough estimate for such a quantity for the
> > kernel 2.4/2.6 code running on MIPS32 architecture.
> > My estimate is between 5-10 instructions. I googled for such a thing
> > but couldn't find any useful papers/resources.
> >
>
> Why don't you simply count the number of non-blank non-comment lines
> in the source files that you are building, build the kernel and then
> count the number of instructions in the resulting binary ?

Hi,
I agree with you but is there any way to include ALL the drivers in
the kernel tree in building the image? Otherwise, I will be counting
un-used lines.

-- 
Mohamed
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/