Gather Arena stats

[Eduardo Silva]

thanks for your help!, thats the info that i need.

best


On Tue, Nov 26, 2013 at 2:01 PM, Jason Evans <jasone at canonware.com> wrote:

> On Nov 26, 2013, at 11:40 AM, Eduardo Silva <edsiper at gmail.com> wrote:
>
> i am interested into gather memory usage per Linux thread, as i am using
> jemalloc i think this can be done quering the arenas per thread. if i am
> correct, do you have some code example that accomplish something similar to
> this ?
>
>
> Threads don't own memory; allocated regions can be shared among threads,
> and allocation/deallocation can be split between threads.  That said,
> jemalloc does track total volume of allocation and deallocation on a per
> thread basis, so you can derive the information you want as long as you
> account for allocated regions that are shared among threads.  Take a look
> at the "thread.allocated" and "thread.deallocated" mallctl() interfaces in
> the man page:
>
>
> http://www.canonware.com/download/jemalloc/jemalloc-latest/doc/jemalloc.html
>
> There is a relevant test program included with jemalloc:
>
> https://github.com/jemalloc/jemalloc/blob/dev/test/allocated.c
>
> Jason
>



-- 
Eduardo Silva
http://edsiper.linuxchile.cl
http://monkey-project.com
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