[Sugar-devel] OT: determining memory usage of short-lived processes
sascha-ml-ui-sugar-devel at silbe.org
Sun Jun 7 06:26:37 EDT 2009
On Sun, Jun 07, 2009 at 12:28:58AM +0200, Martin Langhoff wrote:
> Perhaps you knew it already -- it's a good tool worthy of promotion
Got to know it only recently and it's indeed very useful, even though it
requires root access (for obvious reasons).
> Run the whole thing under /usr/bin/time, which is different from the
> shell's 'time' built-in.
Interesting, always thought they have the same output. Thanks for the
> The report is actually about the pagefaults, which for relatively
> short runs relate almost linearly to mem usage.
But doesn't it include non-RAM pagefaults (i.e. mmap()ed files) as well?
It's a shame that Linux doesn't support most of the interesting fields
(only utime, stime, minflt, majflt, nvcsw and nivcsw according to
getrusage(2)). Even the proc files used by ps_mem.py are empty (in
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