Re: max heap usage of a Linux process

From: Al Boldi
Date: Tue Nov 14 2006 - 06:36:50 EST


Glynn Clements wrote:
> Prasanta Sadhukhan wrote:
> > Actually, I have the process-pid(s) and I want to find out
> > programmatically, what's the max heap size that had been consumed by
> > that process at any given moment(based on user command) from another
> > process.
>
> Then you need to read the files in /proc/<pid>/*. There isn't a system
> call to get resource usage for another process.

Wow, really? Reading /proc/<pid>/* is pretty expensive, especially if you
have to do it for 1000's of procs.

That's probably why top is such a cpu-hog.


Thanks!

--
Al


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