> -----Original Message-----
> From: Gennady Bystritsky [mailto:Gennady.Bystritsky / quest.com]
> Sent: Friday, July 24, 2009 2:28 AM
> To: ruby-talk ML
> Subject: [C/Linux] How to get amount of allocated memory from within a
> process (heap size)
> 
> What would be a good way to determine the current heap size (VSZ) for a
> process on Linux?
> 
> I always used sbrk(0) for that, which used to return the top of the
> heap. However recently, to my dismay, I discovered that it does not
> work on Linux -- I successfully malloc()-ed 1GB, could confirm it with
> "ps -o pid,vsz,args", and yet sbrk(0) always returns the same value as
> right in the beginning.
> 
> As a work around, I have to open /proc/<pid>/stat and read out the 23d
> field from there. However it is heavy and ugly, and I have a feeling
> that such a thing should be done in a more elegant way.
> 
> Please help. Any suggestions will be greatly appreciated. I even tried
> to play with mallinfo(), however could not figure out how to interpret
> results.

gem install sys-proctable

Regards,

Dan