pptrace

% pp -e 'print grep {not m{no debugging symbols found}} grep {not m{Thread debugging using libthread_db enabled}} grep {not m{^\[New Thread }} map {qx{sudo gdb -ex "set pagination 0" -ex "thread apply all bt" --batch -p $_}} qx{pgrep @ARGV}' -o ~/bin/pptrace

% pptrace apache2

#make sure ~/bin is listed in PATH :)