Works with Intel Pin Rev 76991 (Mar 24, 2016).
$ ls ../
doc/ extlicense/ extras/ ia32/ intel64/ LICENSE pin* pintools/ README redist.txt source/
$ ../pin -t obj-intel64/inscount.so -- /bin/ls
cmptrace.cpp inscount.cpp inscount.out livestrings.cpp obj-intel64 README.md
$ cat inscount.out
379607