b7f27000 84K r-x-- /lib/libpthread-2.5.so
b7f3c000 4K ----- /lib/libpthread-2.5.so
b7f3d000 4K r---- /lib/libpthread-2.5.so
b7f3e000 4K rw--- /lib/libpthread-2.5.so
b7f3f000 8K rw--- [ anon ]
b7f41000 88K r-x-- /lib/libselinux.so.1
b7f57000 8K rw--- /lib/libselinux.so.1
b7f59000 256K r-x-- /usr/lib/libncurses.so.5.5
b7f99000 32K rw--- /usr/lib/libncurses.so.5.5
b7fa1000 8K rw--- [ anon ]
b7fa3000 4K r---- /usr/lib/locale/en_US.utf8/LC_MESSAGES/SYS_LC_MESSAGES
b7fa4000 4K r---- /usr/lib/locale/en_US.utf8/LC_PAPER
b7fa5000 4K r---- /usr/lib/locale/en_US.utf8/LC_NAME
b7fa6000 4K r---- /usr/lib/locale/en_US.utf8/LC_ADDRESS
b7fa7000 4K r---- /usr/lib/locale/en_US.utf8/LC_TELEPHONE
b7fa8000 4K r---- /usr/lib/locale/en_US.utf8/LC_MEASUREMENT
b7fa9000 4K r---- /usr/lib/locale/en_US.utf8/LC_IDENTIFICATION
b7faa000 108K r-x-- /lib/ld-2.5.so
b7fc5000 4K r---- /lib/ld-2.5.so
b7fc6000 4K rw--- /lib/ld-2.5.so
bf96f000 228K rw--- [ stack ]
total 23740K
为什么这些 lib 的加载时间超过了?有必要吗?为什么?