#0  0x00007f4e2f680f33 in fftw_execute (p=0x0) at execute.c:24
        pln = <value optimized out>
#1  0x000000000040d7a1 in run_fft ()
No locals.
#2  0x000000000040d8b7 in input_chewer ()
No locals.
#3  0x0000000000408d65 in draw ()
No locals.
#4  0x00007f4e2f8d910b in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007f4e2f8d89fe in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#6  0x00007f4e2f8dc3c8 in ?? () from /usr/lib/libglib-2.0.so.0
#7  0x00007f4e2f8dc825 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#8  0x00007f4e3088a377 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#9  0x00000000004105ac in main ()
No locals.