linux-kernel - Re: [announce] CFS-devel, performance improvements

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: <6b8cef970709130317p3e62db32mb695a988f8e4560d@mail.gmail.com>
Date:	Thu, 13 Sep 2007 06:17:03 -0400
From:	"Rob Hussey" <robjhussey@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
	"Mike Galbraith" <efault@....de>,
	"Roman Zippel" <zippel@...ux-m68k.org>
Subject: Re: [announce] CFS-devel, performance improvements

On 9/13/07, Rob Hussey <robjhussey@...il.com> wrote:
> On 9/13/07, Rob Hussey <robjhussey@...il.com> wrote:
> > On 9/13/07, Ingo Molnar <mingo@...e.hu> wrote:
> > >
> > > * Rob Hussey <robjhussey@...il.com> wrote:
> > >
> > > > On 9/13/07, Ingo Molnar <mingo@...e.hu> wrote:
> > > > >
> > > > > thanks for the numbers! Could you please also post the .config you used?
> > > >
> > > > Sure, .config for 2.6.23-rc1 and 2.6.23-rc6 attached.
> > >
> > > thx! If you've got some time, could you perhaps re-measure with these
> > > disabled:
> > >
> > >   CONFIG_SCHED_DEBUG=y
> >
> > Well, I was going over my config myself after you asked for me to post
> > it, and I thought to do the same thing. Except, disabling sched_debug
> > caused the same error as before:
> > In file included from kernel/sched.c:794:
> > kernel/sched_fair.c: In function 'task_new_fair':
> > kernel/sched_fair.c:857: error: 'sysctl_sched_child_runs_first'
> > undeclared (first use in this function)
> > kernel/sched_fair.c:857: error: (Each undeclared identifier is
> > reported only once
> > kernel/sched_fair.c:857: error: for each function it appears in.)
> > make[1]: *** [kernel/sched.o] Error 1
> > make: *** [kernel] Error 2
> >
> > It only happens with sched_debug=y. I take it back, it wasn't my fault :)
> >
> I'm trying the patches now to see if they help.
>
Current cfs-devel git compiles fine without sched_debug. Not sure how
I broke things, but I need some sleep. I know the 2.6.23-rc1 numbers
were good, but not sure about the others. I'll make the changes you
suggested, and get some new and hopefully good numbers for
2.6.23-rc6-cfs and 2.6.23-rc6-cfs-devel.
-
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/