>_Ux86_64_dwarf_find_proc_info: looking for IP=0x7f421bebb2ed
               >_Ux86_64_dwarf_callback: checking , base=0x0)
               >_Ux86_64_dwarf_callback: checking , base=0x7fff93cfe000)
               >_Ux86_64_dwarf_callback: checking /home/sbiersdorff/build/tools/V0.1/install/x86_64_Linux/bin/libprofileInterceptor.so, base=0x7f421c43f000)
               >_Ux86_64_dwarf_callback: checking /usr/local/atlas/lib/libsatlas.so, base=0x7f421bc63000)
               >_Ux86_64_dwarf_callback: checking /usr/lib/x86_64-linux-gnu/libgfortran.so.3, base=0x7f421b94b000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/libc.so.6, base=0x7f421b583000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/libpthread.so.0, base=0x7f421b366000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/libdl.so.2, base=0x7f421b162000)
               >_Ux86_64_dwarf_callback: checking /usr/local/lib/libunwind.so.8, base=0x7f421af42000)
               >_Ux86_64_dwarf_callback: checking /usr/local/lib/libunwind-x86_64.so.8, base=0x7f421ad1f000)
               >_Ux86_64_dwarf_callback: checking /usr/lib/x86_64-linux-gnu/libstdc++.so.6, base=0x7f421aa1b000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/libm.so.6, base=0x7f421a717000)
               >_Ux86_64_dwarf_callback: checking /usr/lib/x86_64-linux-gnu/libquadmath.so.0, base=0x7f421a4db000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/libgcc_s.so.1, base=0x7f421a2c5000)
               >_Ux86_64_dwarf_callback: checking /lib64/ld-linux-x86-64.so.2, base=0x7f421c724000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/liblzma.so.5, base=0x7f421a0a3000)
              >_Ux86_64_dwarf_find_proc_info: IP=0x7f421bebb2ed not found
                >_Uelf64_string_table: strtab=0x209d8
                >_Uelf64_lookup_symbol: symtab=0x8270[11]
                >_Uelf64_lookup_symbol: 0x00007f421bfa8580 info=0x12 ATL_sgpmvUN_a1_x1_b0_y1
                >_Uelf64_lookup_symbol: 0x00007f421bfc2f46 info=0x12 ATL_zJIK24x24x24TN0x0x0_a1_b1
                >_Uelf64_lookup_symbol: 0x00007f421be382e0 info=0x12 ATL_dmmJIK
                
                ... ~8,000 symbol lookups ...
                
                >_Uelf64_lookup_symbol: 0x00007f421bd09595 info=0x12 ztbmv_
                >_Uelf64_lookup_symbol: 0x00007f421bf9baff info=0x12 ATL_sreftbsvLTU
                >_Uelf64_lookup_symbol: 0x00007f421bd14546 info=0x12 cblas_stbmv
                >_Uelf64_lookup_symbol: 0x00007f421c06c85c info=0x12 ATL_zrefher2U
                >_Uelf64_lookup_symbol: 0x00007f421bf80d12 info=0x12 ATL_scol2blk2_aX
                >_Uelf64_string_table: strtab=0x5db7dd
 >_Ux86_64_step: (cursor=0x7fff93331590, ip=0x00007f421bebb2ed, cfa=0x00007fff93331fa8)
                >get_rs_cache: acquiring lock
              >_Ux86_64_dwarf_find_proc_info: looking for IP=0x7f421bebb2ed
               >_Ux86_64_dwarf_callback: checking , base=0x0)
               >_Ux86_64_dwarf_callback: checking , base=0x7fff93cfe000)
               >_Ux86_64_dwarf_callback: checking /home/sbiersdorff/build/tools/V0.1/install/x86_64_Linux/bin/libprofileInterceptor.so, base=0x7f421c43f000)
               >_Ux86_64_dwarf_callback: checking /usr/local/atlas/lib/libsatlas.so, base=0x7f421bc63000)
               >_Ux86_64_dwarf_callback: checking /usr/lib/x86_64-linux-gnu/libgfortran.so.3, base=0x7f421b94b000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/libc.so.6, base=0x7f421b583000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/libpthread.so.0, base=0x7f421b366000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/libdl.so.2, base=0x7f421b162000)
               >_Ux86_64_dwarf_callback: checking /usr/local/lib/libunwind.so.8, base=0x7f421af42000)
               >_Ux86_64_dwarf_callback: checking /usr/local/lib/libunwind-x86_64.so.8, base=0x7f421ad1f000)
               >_Ux86_64_dwarf_callback: checking /usr/lib/x86_64-linux-gnu/libstdc++.so.6, base=0x7f421aa1b000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/libm.so.6, base=0x7f421a717000)
               >_Ux86_64_dwarf_callback: checking /usr/lib/x86_64-linux-gnu/libquadmath.so.0, base=0x7f421a4db000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/libgcc_s.so.1, base=0x7f421a2c5000)
               >_Ux86_64_dwarf_callback: checking /lib64/ld-linux-x86-64.so.2, base=0x7f421c724000)
               >_Ux86_64_dwarf_callback: checking /lib/x86_64-linux-gnu/liblzma.so.5, base=0x7f421a0a3000)
              >_Ux86_64_dwarf_find_proc_info: IP=0x7f421bebb2ed not found
                >put_rs_cache: unmasking signals/interrupts and releasing lock
               >_Ux86_64_dwarf_step: returning -10
             >_Ux86_64_step: dwarf_step() failed (ret=-10), trying frame-chain
                >access_mem: mem[00007f421bebb2ed] -> c508427c5940a1c4
                >access_mem: mem[00007f421bebb2f5] -> 792878c1c4ef58d0
              >is_plt_entry: ip=0x7f421bebb2ed => 0xc508427c5940a1c4 0x792878c1c4ef58d0, ret = 0
                >access_mem: mem[00007fff93331a78] -> 4620
 >_Ux86_64_step: [RBP=0x7fff93331a78] = 0x4620 (cfa = 0x7fff93331fa8) -> 0x0
  >_Ux86_64_step: NULL %rbp loc, returning 0