Re: Tracking adresses of write and read

[Fabrice Gautier <gautier@email.enst.fr>]

On Wed, 16 May 2001 15:24:05 +0200
Erik Mouw <J.A.K.Mouw@ITS.TUDelft.NL> wrote:

> > I would like to be abble to see which physical adress i'm
> > writing/reading to when I write/read in the mmap-ed memory.
> > 
> > Who could i do this? 
> 
> My guess:
> 
>   unsigned long phys_addr;
> 
>   phys_addr = virt_to_phys(virtual_address);
>   printk(KERN_INFO "%s: phys_addr = 0x%08x\n", __FUNCTION__, phys_addr);


Err.. Can I do this in the user space program??? That's where i'm doing
the reads/writes

I think both virt_to_phys and printk are kernel functions, not syscall
or libc function.

Thanks,

-- 
Fabrice Gautier <gautier@email.enstfr>

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