On 9/18/07, Ingo Molnar <[EMAIL PROTECTED]> wrote:
>
> * Rob Hussey <[EMAIL PROTECTED]> wrote:
>
> > The obligatory graphs:
> > http://www.healthcarelinen.com/misc/benchmarks/BOUND_NOPREEMPT_lat_ctx_benchmark.png
> > http://
On 9/18/07, Ingo Molnar <[EMAIL PROTECTED]> wrote:
>
> * Rob Hussey <[EMAIL PROTECTED]> wrote:
>
> > A cursory glance suggests that performance wrt lat_ctx and hackbench
> > has increased (lower numbers), but degraded quite a lot for pipe-test.
> > The num
On 9/18/07, Ingo Molnar [EMAIL PROTECTED] wrote:
* Rob Hussey [EMAIL PROTECTED] wrote:
A cursory glance suggests that performance wrt lat_ctx and hackbench
has increased (lower numbers), but degraded quite a lot for pipe-test.
The numbers for pipe-test are extremely stable though, while
On 9/18/07, Ingo Molnar [EMAIL PROTECTED] wrote:
* Rob Hussey [EMAIL PROTECTED] wrote:
The obligatory graphs:
http://www.healthcarelinen.com/misc/benchmarks/BOUND_NOPREEMPT_lat_ctx_benchmark.png
http://www.healthcarelinen.com/misc/benchmarks/BOUND_NOPREEMPT_hackbench_benchmark.png
http
On 9/18/07, Willy Tarreau <[EMAIL PROTECTED]> wrote:
> Hi Rob,
>
> On Tue, Sep 18, 2007 at 12:30:05AM -0400, Rob Hussey wrote:
> > I should have pointed out before that I don't really have a dual-core
> > system, just a P4 with Hyper-Threading (I loosely used cor
On 9/17/07, Ingo Molnar <[EMAIL PROTECTED]> wrote:
>
> * Ingo Molnar <[EMAIL PROTECTED]> wrote:
>
> > i've meanwhile tested hackbench 90 and the performance difference
> > between -ck and -cfs-devel seems to be mostly down to the more precise
> > (but slower) sched_clock() introduced in v2.6.23
On 9/17/07, Ingo Molnar <[EMAIL PROTECTED]> wrote:
>
> * Rob Hussey <[EMAIL PROTECTED]> wrote:
>
> > http://www.healthcarelinen.com/misc/benchmarks/BOUND_hackbench_benchmark2.png
>
> heh - am i the only one impressed by the consistency of the blue line in
>
On 9/17/07, Ingo Molnar [EMAIL PROTECTED] wrote:
* Rob Hussey [EMAIL PROTECTED] wrote:
http://www.healthcarelinen.com/misc/benchmarks/BOUND_hackbench_benchmark2.png
heh - am i the only one impressed by the consistency of the blue line in
this graph? :-) [ and the green line looks a bit
On 9/18/07, Willy Tarreau [EMAIL PROTECTED] wrote:
Hi Rob,
On Tue, Sep 18, 2007 at 12:30:05AM -0400, Rob Hussey wrote:
I should have pointed out before that I don't really have a dual-core
system, just a P4 with Hyper-Threading (I loosely used core to refer
to processor).
Just
On 9/17/07, Ingo Molnar [EMAIL PROTECTED] wrote:
* Ingo Molnar [EMAIL PROTECTED] wrote:
i've meanwhile tested hackbench 90 and the performance difference
between -ck and -cfs-devel seems to be mostly down to the more precise
(but slower) sched_clock() introduced in v2.6.23 and to the
On 9/15/07, ポール・ロラン Paul Rolland <[EMAIL PROTECTED]> wrote:
> Hi Eric,
>
> On Sat, 15 Sep 2007 20:30:14 +0200
> Eric Valette <[EMAIL PROTECTED]> wrote:
>
> > Rob Hussey wrote:
> > > On 9/15/07, Eric Valette <[EMAIL PROTECTED]> wrote:
> > >
On 9/15/07, Eric Valette <[EMAIL PROTECTED]> wrote:
> Eric Valette wrote:
>
> > I can probably take a picture of the backtrace if you want.
>
> Just saw that just above my message in the LKML web interface, someone
> posted a backtrace. Mine is different but at least, we are at least two
> to have
On 9/15/07, ポール・ロラン Paul Rolland <[EMAIL PROTECTED]> wrote:
> Hello,
>
> Each time I add the support for this piece of hardware, I have a crash during
> the boot process.
> Serial console gives the attached boot message...
>
...
> WARNING: at lib/kref.c:33 kref_get()
> Call Trace:
> []
On 9/15/07, ポール・ロラン Paul Rolland [EMAIL PROTECTED] wrote:
Hello,
Each time I add the support for this piece of hardware, I have a crash during
the boot process.
Serial console gives the attached boot message...
...
WARNING: at lib/kref.c:33 kref_get()
Call Trace:
[8121fa41]
On 9/15/07, Eric Valette [EMAIL PROTECTED] wrote:
Eric Valette wrote:
I can probably take a picture of the backtrace if you want.
Just saw that just above my message in the LKML web interface, someone
posted a backtrace. Mine is different but at least, we are at least two
to have the
On 9/15/07, ポール・ロラン Paul Rolland [EMAIL PROTECTED] wrote:
Hi Eric,
On Sat, 15 Sep 2007 20:30:14 +0200
Eric Valette [EMAIL PROTECTED] wrote:
Rob Hussey wrote:
On 9/15/07, Eric Valette [EMAIL PROTECTED] wrote:
Eric Valette wrote:
Thanks for your help: it does indeed fix
On 9/13/07, Rob Hussey <[EMAIL PROTECTED]> wrote:
> Bound to single core:
...
> hackbench 50
> # rc1 rc6 cfs-devel
> 1 7.528 7.950 7.538
> 2 7.649 8.026 7.548
> 3 7.613 8.160 7.580
> 4 7.550 8.054 7.558
> 5 7.563 8.373 7.559
> 6 7.617 8.152 7.550
> 7
On 9/13/07, Rob Hussey <[EMAIL PROTECTED]> wrote:
> On 9/13/07, Rob Hussey <[EMAIL PROTECTED]> wrote:
> > On 9/13/07, Ingo Molnar <[EMAIL PROTECTED]> wrote:
> > >
> > > * Rob Hussey <[EMAIL PROTECTED]> wrote:
> > &g
On 9/13/07, Rob Hussey <[EMAIL PROTECTED]> wrote:
> On 9/13/07, Ingo Molnar <[EMAIL PROTECTED]> wrote:
> >
> > * Rob Hussey <[EMAIL PROTECTED]> wrote:
> >
> > > On 9/13/07, Ingo Molnar <[EMAIL PROTECTED]> wrote:
> > > >
> >
On 9/13/07, Ingo Molnar <[EMAIL PROTECTED]> wrote:
>
> * Rob Hussey <[EMAIL PROTECTED]> wrote:
>
> > On 9/13/07, Ingo Molnar <[EMAIL PROTECTED]> wrote:
> > >
> > > thanks for the numbers! Could you please also post the .config you used?
> >
On 9/11/07, Rob Hussey <[EMAIL PROTECTED]> wrote:
> Hi Ingo,
>
> When compiling, I get:
Yeah, this was my fault :(
I've had a chance to test this now, and everything feels great. I did
some benchmarks for 2.6.23-rc1, 2.6.23-rc6-cfs, and
2.6.23-rc6-cfs-devel:
lat_ctx -s
On 9/11/07, Rob Hussey [EMAIL PROTECTED] wrote:
Hi Ingo,
When compiling, I get:
Yeah, this was my fault :(
I've had a chance to test this now, and everything feels great. I did
some benchmarks for 2.6.23-rc1, 2.6.23-rc6-cfs, and
2.6.23-rc6-cfs-devel:
lat_ctx -s 0 2:
2.6.23-rc1 2.6.23-rc6
On 9/13/07, Ingo Molnar [EMAIL PROTECTED] wrote:
* Rob Hussey [EMAIL PROTECTED] wrote:
On 9/13/07, Ingo Molnar [EMAIL PROTECTED] 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
On 9/13/07, Rob Hussey [EMAIL PROTECTED] wrote:
On 9/13/07, Ingo Molnar [EMAIL PROTECTED] wrote:
* Rob Hussey [EMAIL PROTECTED] wrote:
On 9/13/07, Ingo Molnar [EMAIL PROTECTED] wrote:
thanks for the numbers! Could you please also post the .config you used?
Sure, .config
On 9/13/07, Rob Hussey [EMAIL PROTECTED] wrote:
On 9/13/07, Rob Hussey [EMAIL PROTECTED] wrote:
On 9/13/07, Ingo Molnar [EMAIL PROTECTED] wrote:
* Rob Hussey [EMAIL PROTECTED] wrote:
On 9/13/07, Ingo Molnar [EMAIL PROTECTED] wrote:
thanks for the numbers! Could you please
On 9/13/07, Rob Hussey [EMAIL PROTECTED] wrote:
Bound to single core:
...
hackbench 50
# rc1 rc6 cfs-devel
1 7.528 7.950 7.538
2 7.649 8.026 7.548
3 7.613 8.160 7.580
4 7.550 8.054 7.558
5 7.563 8.373 7.559
6 7.617 8.152 7.550
7 7.593 7.831 7.562
8 7.602 8.311 7.588
9
Hi Ingo,
When compiling, I get:
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
Hi Ingo,
When compiling, I get:
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
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