On Fri, Sep 05, 2003 at 07:01:48AM +0200, Nemec, Bernhard wrote:
> > the menuitems is clicked. When i measure free memory in the
> > system (using
> > shell command free), i see that every opening and closing of
> > the menu spends
> > 4kB of memory. No memory is spent when there is no bitmap.
>
> You cannot use the "free" command to detect memory leaks. On Linux, unused
> memory is used as cache whenever possible, and will not be reported as free
> by the "free" command.
Uh...
$ free
total used free shared buffers cached
Mem: 385544 380708 4836 0 33580 93616
-/+ buffers/cache: 253512 132032
Swap: 341696 171236 170460
That second line doesn't include buffers or cache, and actually
measures usage by programs.
Of course, it's still better to use ps or top or something to actually
measure per-process memory usage, or better yet a proper memory
profiler.
-- Nathaniel
--
"Lull'd in the countless chambers of the brain,
Our thoughts are link'd by many a hidden chain:
Awake but one, and lo! what myriads rise!
Each stamps its image as the other flies"
-- Ann Ward Radcliffe, The Mysteries of Udolpho
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