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I'm using the mtrace tool at: http://www.dent.med.uni-muenchen.de/~wmglo/malloc-slides.html A little probing and I find that the memory allocator in glibc seems to be wasting ... a lot of memory. Thunderbird is giving me numbers where it starts up, loads, and wastes 20%; then after hitting a few messages here and there grows to around 50% waste. Similar patterns are seen in other places; but the malloc-trace.so preload library tends to corrupt the output file and trace-test refuses to produce statistics. Does anyone have any way for me to get more useful numbers? I'd love to probe deeper into this, particularly get stats on Firefox, gnome (nautilus, metacity, and evolution), gaim (which refuses to start with mtrace), and rhythmbox (my media player). -- John Moser <john.r.moser@gmail.com>
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