Walt Mankowski on 17 Sep 2012 09:41:47 -0700


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Re: [PLUG] Report the max memory used by a given command?


On Mon, Sep 17, 2012 at 09:32:19AM -0700, Paul Jungwirth wrote:
> > I think "maxresident" might be what you're looking for.  If not, look
> > through the "Formatting the Output" section of time(1)'s manpage and
> > try out some of the other options.
> 
> Thanks for the reply! I eventually found this page which recommends
> /usr/bin/time -v, although supposedly that only gives you real numbers
> if your system supports it:
> 
> http://stackoverflow.com/questions/774556/peak-memory-usage-of-a-linux-unix-process
> 
> Also further down is a way to use valgrind to get the info; in my case
> that might be overkill.

Nice, I didn't even notice the -v flag!  By the way, you can get at
most of this information inside your own Linux programs via the
getrusage(2) system call.

Walt

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