08048000 184K r-x-- /evolution-data-server-1.0 08076000 8K rw--- /evolution-data-server-1.0 08078000 660K rw--- [ anon ] b3bed000 272K rw--- [ anon ] b3c31000 4K ----- [ anon ] b3c32000 8192K rwx-- [ anon ] b4434000 4K ----- [ anon ] b4435000 8192K rwx-- [ anon ] b4c35000 4K ----- [ anon ] b4c36000 8192K rwx-- [ anon ] b5436000 4K ----- [ anon ] b5437000 8192K rwx-- [ anon ] b5c37000 4K ----- [ anon ] b5c38000 8192K rwx-- [ anon ] b6438000 4K r---- /libc.mo b6439000 32K r-x-- /libgcc_s.so.1 b6441000 4K rw--- /libgcc_s.so.1 b6442000 632K r-x-- /libstdc++.so.5.0.6 b64e0000 88K rw--- /libstdc++.so.5.0.6 b64f6000 20K rw--- [ anon ] b64fb000 28K r-x-- /libfam.so.0.0.0 b6502000 4K rw--- /libfam.so.0.0.0 b6510000 28K r-x-- /libfile.so b6517000 4K rw--- /libfile.so b6519000 4K ----- [ anon ] b651a000 8192K rwx-- [ anon ] b6d1a000 4K rw--- [ anon ] b6d20000 4K ----- [ anon ] b6d21000 8192K rwx-- [ anon ] b7529000 16K r---- /evolution-data-server-1.5.mo b7530000 32K r-x-- /libnss_files-2.3.2.so b7538000 4K rw--- /libnss_files-2.3.2.so b7539000 32K r-x-- /libnss_nis-2.3.2.so b7541000 4K rw--- /libnss_nis-2.3.2.so b754f000 28K r-x-- /libnss_compat-2.3.2.so b7556000 4K rw--- /libnss_compat-2.3.2.so b7565000 1556K r---- /locale-archive b76eb000 8K rw--- [ anon ] b76ed000 684K r-x-- /libasound.so.2.0.0 b7798000 16K rw--- /libasound.so.2.0.0 b779c000 76K r-x-- /libsasl2.so.2.0.18 b77af000 4K rw--- /libsasl2.so.2.0.18 b77b0000 4K rw--- [ anon ] b77b1000 16K r-x-- /libcrypt-2.3.2.so b77b5000 4K rw--- /libcrypt-2.3.2.so b77b6000 156K rw--- [ anon ] b77dd000 1184K r-x-- /libc-2.3.2.so b7905000 36K rw--- /libc-2.3.2.so b790e000 8K rw--- [ anon ] b7910000 500K r-x-- /libglib-2.0.so.0.400.4 b798d000 4K rw--- /libglib-2.0.so.0.400.4 b798e000 52K r-x-- /libpthread-0.60.so b799b000 4K rw--- /libpthread-0.60.so b799c000 12K rw--- [ anon ] b799f000 16K r-x-- /libgthread-2.0.so.0.400.4 b79a3000 4K rw--- /libgthread-2.0.so.0.400.4 b79a4000 8K r-x-- /libdl-2.3.2.so b79a6000 4K rw--- /libdl-2.3.2.so b79a7000 12K r-x-- /libgmodule-2.0.so.0.400.4 b79aa000 4K rw--- /libgmodule-2.0.so.0.400.4 b79ab000 224K r-x-- /libgobject-2.0.so.0.400.4 b79e3000 4K rw--- /libgobject-2.0.so.0.400.4 b79e4000 4K rw--- [ anon ] b79e5000 28K r-x-- /libpopt.so.0.0.0 b79ec000 4K rw--- /libpopt.so.0.0.0 b79ed000 280K r-x-- /libORBit-2.so.0.0.0 b7a33000 36K rw--- /libORBit-2.so.0.0.0 b7a3c000 4K rw--- [ anon ] b7a3d000 16K r-x-- /libORBitCosNaming-2.so.0.0.0 b7a41000 4K rw--- /libORBitCosNaming-2.so.0.0.0 b7a42000 72K r-x-- /libbonobo-activation.so.4.0.0 b7a54000 12K rw--- /libbonobo-activation.so.4.0.0 b7a57000 56K r-x-- /libresolv-2.3.2.so b7a65000 4K rw--- /libresolv-2.3.2.so b7a66000 8K rw--- [ anon ] b7a68000 24K r-x-- /librt-2.3.2.so b7a6e000 4K rw--- /librt-2.3.2.so b7a6f000 64K r-x-- /libz.so.1.2.1.1 b7a7f000 4K rw--- /libz.so.1.2.1.1 b7a80000 12K r-x-- /libgpg-error.so.0.1.2 b7a83000 4K rw--- /libgpg-error.so.0.1.2 b7a84000 4K rw--- [ anon ] b7a85000 68K r-x-- /libnsl-2.3.2.so b7a96000 4K rw--- /libnsl-2.3.2.so b7a97000 8K rw--- [ anon ] b7a99000 284K r-x-- /libgcrypt.so.7.3.0 b7ae0000 20K rw--- /libgcrypt.so.7.3.0 b7ae5000 60K r-x-- /libtasn1.so.2.0.7 b7af4000 4K rw--- /libtasn1.so.2.0.7 b7af5000 364K r-x-- /libgnutls.so.10.1.4 b7b50000 20K rw--- /libgnutls.so.10.1.4 b7b55000 136K r-x-- /libm-2.3.2.so b7b77000 4K rw--- /libm-2.3.2.so b7b78000 936K r-x-- /libxml2.so.2.6.11 b7c62000 32K rw--- /libxml2.so.2.6.11 b7c6a000 40K rw--- [ anon ] b7c74000 324K r-x-- /libbonobo-2.so.0.0.0 b7cc5000 40K rw--- /libbonobo-2.so.0.0.0 b7ccf000 196K r-x-- /libgconf-2.so.4.1.0 b7d00000 12K rw--- /libgconf-2.so.4.1.0 b7d03000 352K r-x-- /libgnomevfs-2.so.0.700.3 b7d5b000 20K rw--- /libgnomevfs-2.so.0.700.3 b7d60000 132K r-x-- /libaudiofile.so.0.0.2 b7d81000 12K rw--- /libaudiofile.so.0.0.2 b7d84000 32K r-x-- /libesd.so.0.2.29 b7d8c000 4K rw--- /libesd.so.0.2.29 b7d8d000 76K r-x-- /libgnome-2.so.0.702.0 b7da0000 4K rw--- /libgnome-2.so.0.702.0 b7da1000 4K rw--- [ anon ] b7da2000 44K r-x-- /liblber.so.2.0.130 b7dad000 4K rw--- /liblber.so.2.0.130 b7dae000 196K r-x-- /libldap.so.2.0.130 b7ddf000 4K rw--- /libldap.so.2.0.130 b7de0000 756K r-x-- /libedataserver.so.3.2.0 b7e9d000 20K rw--- /libedataserver.so.3.2.0 b7ea2000 536K r-x-- /libecal.so.6.1.1 b7f28000 60K rw--- /libecal.so.6.1.1 b7f37000 12K rw--- [ anon ] b7f3a000 148K r-x-- /libsoup-2.2.so.3.2.0 b7f5f000 8K rw--- /libsoup-2.2.so.3.2.0 b7f61000 68K r-x-- /libegroupwise.so.3.0.0 b7f72000 4K rw--- /libegroupwise.so.3.0.0 b7f73000 4K rw--- [ anon ] b7f74000 132K r-x-- /libedata-cal.so.5.1.2 b7f95000 12K rw--- /libedata-cal.so.5.1.2 b7f98000 160K r-x-- /libebook.so.8.0.1 b7fc0000 16K rw--- /libebook.so.8.0.1 b7fc4000 92K r-x-- /libedata-book.so.1.0.1 b7fdb000 8K rw--- /libedata-book.so.1.0.1 b7fea000 4K rw--- [ anon ] b7feb000 84K r-x-- /ld-2.3.2.so b8000000 4K rw--- /ld-2.3.2.so bfffc000 16K rw--- [ stack ] ffffe000 4K ----- [ anon ] total 70292K
As you can see, by far the largest number of maps are shared libraries code mapped into the address space. There's also some read-only data (such as the locale archive, which is one of the largest).
If your argument is that you don't want a GNOME application to load the GNOME libraries, well you're on crack. It's a GNOME application, it's written to use the GNOME libraries. A huge number of these are shared with other things so this isn't an issue unless you're just being silly.
So what's the rest of it? There's a small collection of 8MB anonymous executable maps, these aren't heap, these are the stacks of each thread. It's a copy-on-write overhead so it's a possible 8MB, not an actual 8MB (unless you manage to recurse so deeply you hit your stack limit).
Then we're left with a bunch of read/write data, most of these are backed by file to represent data taken directly from shared libraries of other files. There's a 16KB stack in there and finally a bunch of anonymous read/write data maps -- this is the heap, and if you total them up you'll see they only come to around 1MB.
Neither ps nor top give you an accurate idea of the memory usage of a process because they tell you the virtual memory size, which is not a useful indicator. I'm always surprised when people believe this is a good indicator, have you never tried adding up the totals?
Here's a quick thing to do that:
ps aux | awk '{if (NR > 1) print $5; if (NR > 2) print "+"} END { print "p" }' | dc
On my machine the total (which is in KB, remember) comes to over twice the available memory of my machine!
