On Wed, 14 Nov 2007 at 20:21 +, Russell Leighton wrote:
>
> Bryan Cantrill of Sun (ala DTrace) has a notion of perfect code:
>
> http://blogs.sun.com/bmc/entry/on_i_dreaming_in_code
>
> He also has some examples (from bottom comment section of above):
>
> >
> >
> >Can you list a smal
On Wed, 14 Nov 2007 at 10:44 +, Will Cohen wrote:
> Andi Kleen wrote:
>
> >>One approach does not prevent the other. Assuming you allow cr4.pce, then
> >>nothing prevents
> >>a self-monitoring thread from reading the counters directly. You'll just
> >>get the
> >>lower 32-bit of it. So if y
On Thu, 08 Nov 2007 at 10:54 +, Andrew Morton wrote:
> Philippe, on Sun, 21 Oct you sent a "[patch 1/2] oProfile: oops when
> profile_pc() return ~0LU" which as far as I can tell never got applied.
>
> Also, I have no record of [patch 2/2] from that day. Can you please refresh
> and resend b
From: Philippe Elie <[EMAIL PROTECTED]>
Instruction pointer returned by profile_pc() can be a random value. This
break the assumption than we can safely set struct op_sample.eip field to
a magic value to signal to the per-cpu buffer reader side special event
like task switch ending u
o make Event Based Profiling work reliably on a
Family10h processor
Signed-off-by: Barry Kasindorf <[EMAIL PROTECTED]>
Signed-off-by: Robert Richter <[EMAIL PROTECTED]>
Signed-off-by: Philippe Elie <[EMAIL PROTECTED]>
---
arch/x86/oprofile/op_model_athlon.c | 22 +++
d faster) this way.
Acked-by: Philippe Elie <[EMAIL PROTECTED]>
--
Phe
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On Wed, 07 Nov 2007 at 15:05 +, Haavard Skinnemoen wrote:
> This adds the necessary architecture code to run oprofile on AVR32
> using the performance counters documented by the AVR32 Architecture
> Manual.
>
> Signed-off-by: Haavard Skinnemoen <[EMAIL PROTECTED]>
> --- /dev/null
> +++ b/arc
On Wed, 07 Nov 2007 at 15:05 +, Haavard Skinnemoen wrote:
> This adds the necessary architecture code to run oprofile on AVR32
> using the performance counters documented by the AVR32 Architecture
> Manual.
Did you post the user space change to [EMAIL PROTECTED] ?
--
regards,
Phe
-
To unsu
On Tue, 23 Oct 2007 at 13:10 +, Sami Farin wrote:
> On Mon, Oct 22, 2007 at 19:38:10 -0700, Linus Torvalds wrote:
> >
> > This set of two patches look ok by me, but I'd like sign-offs.. Also, were
> > they tested and found to fix the problem by Sami?
> >
> > Linus
For the signe
From: Philippe Elie <[EMAIL PROTECTED]>
Instruction pointer returned by profile_pc() can be a random value. This
break the assumption than we can safely set struct op_sample.eip field to
a magic value to signal to the per-cpu buffer reader side special event
like task switch ending u
On Mon, 15 Oct 2007 at 18:31 +, Philippe Elie wrote:
> On Mon, 15 Oct 2007 at 16:23 +, Sam Ravnborg wrote:
>
> > Hi Rik.
> >
> > On Sun, Oct 14, 2007 at 07:01:28PM -0400, Rik van Riel wrote:
> > > The kernel newbies community often gets inquiries
On Mon, 15 Oct 2007 at 16:23 +, Sam Ravnborg wrote:
> Hi Rik.
>
> On Sun, Oct 14, 2007 at 07:01:28PM -0400, Rik van Riel wrote:
> > The kernel newbies community often gets inquiries from CS students who
> > need a project for their studies and would like to do something with
> > the Linux ker
On Sat, 29 Sep 2007 at 20:05 +, Sami Farin wrote:
> > x86_64 SMP kernel v2.6.22.6 (not using callgraph).
> > sometimes oprofile works for a longer time... but not this time.
> >
> > 2007-09-22 13:53:32.52723 <1>[ 3372.390188] Unable to handle kernel
> > NULL pointer dereference at 00
On Fri, 09 Sep 2005 at 11:23 +, Andi Kleen wrote:
> Indeed. Someone must have fixed it. But why would anyone want frame pointers
> on x86-64?
Oprofile can use it, I though it was already used but apparently only
to backtrace userspace actually.
--
Philippe Elie
-
To unsubscrib
th the new default tick rate of 250Hz
> - I'm running 1000Hz, and I have also enabled the Preemptible kernel and BKL
> Preemption as I have in earlier kernels.
I needed CONFIG_PM=y and CONFIG_ACPI=y to get ht working on 2.6.13.
regards,
Philippe Elie
-
To unsubscribe from th
x27;t be able to use the NMI.
> >
>
> Well I was hoping that someone with knowledge of the low-level Intel model
> differences would pipe up, but they all seem to be in hiding. (Wildly
> bcc's lots of x86 people).
There is no documented change regarding to the use
(str));
}
oprofile_ops.cpu_type == NULL, this has been fixed 3 weeks ago,
can you retry with -rc4 ?
Philippe Elie
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