Re: [patch] CFS scheduler, -v6

[Thomas Gleixner <tglx@linutronix.de>]

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