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Date:      Thu, 31 Jul 2014 10:16:16 +0800
From:      Julian Elischer <julian@freebsd.org>
To:        suresh gumpula <gsuryacse7k@gmail.com>
Cc:        "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>
Subject:   Re: Allocation/free history
Message-ID:  <53D9A6F0.3030303@freebsd.org>
In-Reply-To: <CAJOqHmjbnwmJx4XEwPHYx%2B1mF%2Bndehy%2B=R_UjiwWAxLTXLfVfQ@mail.gmail.com>
References:  <CAJOqHmgO55L-D0_7zpnC0jFR%2BY1KWBzFwQirPfknhNeHzd0asg@mail.gmail.com>	<53D8FB5D.2060509@freebsd.org> <CAJOqHmjbnwmJx4XEwPHYx%2B1mF%2Bndehy%2B=R_UjiwWAxLTXLfVfQ@mail.gmail.com>

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On 7/31/14, 12:05 AM, suresh gumpula wrote:
> Hi Julian,
> Its our proprietary OS called Simple kernel  and yes its in the 
> kernel space allocator.

who is "our"?
  :-)

>
> Thanks
> Suresh
>
>
> On Wed, Jul 30, 2014 at 10:04 AM, Julian Elischer 
> <julian@freebsd.org <mailto:julian@freebsd.org>> wrote:
>
>     On 7/29/14, 1:40 AM, suresh gumpula wrote:
>
>         Hi,
>             Knowing the PC of an allocation is very usefull in
>         debugging. Having the
>         PC hash table and storing the pc hash  either with an object
>         itself( at the
>         end) or allocate an exra structure to hold the
>         hash index  help us find out who/where an object was
>         allocated.   We
>         already have something like this in our own operating system
>         and has been a
>         useful thing in debugging.
>
>
>     what OS is that?
>
>     I assume you are talking about in the kernel?
>
>




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