Re: [patch] CFS scheduler, -v6

From: Thomas Gleixner
Date: Sun Apr 29 2007 - 07:23:27 EST


On Sun, 2007-04-29 at 12:48 +0200, Kasper Sandberg wrote:
> On Sun, 2007-04-29 at 12:30 +0200, Thomas Gleixner wrote:
> > Willy,
> <snip>
> > As a sidenote: I really wonder if anybody noticed yet, that the whole
> > CFS / SD comparison is so ridiculous, that it is not even funny anymore.
> > CFS modifies the scheduler and nothing else, SD fiddles all over the
> > kernel in interesting ways.
> >
>
> have you looked at diffstat lately? :)
>
> sd:
> Documentation/sched-design.txt | 241 +++++++
> Documentation/sysctl/kernel.txt | 14
> Makefile | 2
> fs/pipe.c | 7
> fs/proc/array.c | 2
> include/linux/init_task.h | 4
> include/linux/sched.h | 32 -
> kernel/sched.c | 1279
> +++++++++++++++++++---------------------
> kernel/softirq.c | 2
> kernel/sysctl.c | 26
> kernel/workqueue.c | 2
> 11 files changed, 919 insertions(+), 692 deletions(-)
>
> cfs:
> Documentation/kernel-parameters.txt | 43
> Documentation/sched-design-CFS.txt | 107 +
> Makefile | 2
> arch/i386/kernel/smpboot.c | 13
> arch/i386/kernel/tsc.c | 8
> arch/ia64/kernel/setup.c | 6
> arch/mips/kernel/smp.c | 11
> arch/sparc/kernel/smp.c | 10
> arch/sparc64/kernel/smp.c | 36
> fs/proc/array.c | 11
> fs/proc/base.c | 2
> fs/proc/internal.h | 1
> include/asm-i386/unistd.h | 3
> include/asm-x86_64/unistd.h | 4
> include/linux/hardirq.h | 13
> include/linux/sched.h | 94 +
> init/main.c | 2
> kernel/exit.c | 3
> kernel/fork.c | 4
> kernel/posix-cpu-timers.c | 34
> kernel/sched.c | 2288
> +++++++++---------------------------
> kernel/sched_debug.c | 152 ++
> kernel/sched_fair.c | 601 +++++++++
> kernel/sched_rt.c | 184 ++
> kernel/sched_stats.h | 235 +++
> kernel/sysctl.c | 32
> 26 files changed, 2062 insertions(+), 1837 deletions(-)

Sorry, my bad. I looked at a diffstat of the ck full set. Not only the
SD part of it.

tglx


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