--- /dev/null
+CPU: Core 2, speed 2133.49 MHz (estimated)
+Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (Unhalted core cycles) count 100000
+samples % symbol name
+14590 65.2738 gettimeofday
+4545 20.3338 memcpy
+593 2.6530 malloc
+538 2.4069 _int_malloc
+451 2.0177 free
+308 1.3780 memset
+265 1.1856 _int_free
+197 0.8814 memcmp
+161 0.7203 msort_with_tmp
+109 0.4877 memmove
+84 0.3758 __i686.get_pc_thunk.bx
+81 0.3624 malloc_consolidate
+68 0.3042 strstr
+52 0.2326 mbrtowc
+51 0.2282 __gconv_transform_utf8_internal
+49 0.2192 strlen
+19 0.0850 realloc
+18 0.0805 mkdir
+16 0.0716 _dl_addr
+14 0.0626 strcmp
+8 0.0358 _int_realloc
+8 0.0358 strchr
+7 0.0313 bsearch
+6 0.0268 __i686.get_pc_thunk.cx
+5 0.0224 __read_nocancel
+4 0.0179 ___newselect_nocancel
+4 0.0179 __errno_location
+4 0.0179 fclose@@GLIBC_2.1
+4 0.0179 poll
+3 0.0134 _IO_default_xsputn
+3 0.0134 __close_nocancel
+3 0.0134 _dl_mcount_wrapper_check
+3 0.0134 _nl_intern_locale_data
+3 0.0134 qsort
+3 0.0134 read
+3 0.0134 sigprocmask
+3 0.0134 strcpy
+3 0.0134 vfprintf
+2 0.0089 _IO_file_overflow@@GLIBC_2.1
+2 0.0089 _IO_getline_info
+2 0.0089 __rpc_thread_destroy
+2 0.0089 __uflow
+2 0.0089 _itoa_word
+2 0.0089 ioctl
+2 0.0089 memchr
+2 0.0089 mmap
+2 0.0089 vsprintf
+1 0.0045 _IO_cleanup
+1 0.0045 _IO_file_finish@@GLIBC_2.1
+1 0.0045 _IO_link_in
+1 0.0045 _IO_no_init
+1 0.0045 _IO_setb
+1 0.0045 _IO_sputbackc
+1 0.0045 _IO_str_init_static_internal
+1 0.0045 _IO_vfscanf
+1 0.0045 __ctype_get_mb_cur_max
+1 0.0045 __find_specmb
+1 0.0045 __fopen_maybe_mmap
+1 0.0045 __fxstat
+1 0.0045 __fxstat64@GLIBC_2.1
+1 0.0045 __gconv_load_cache
+1 0.0045 __gconv_lookup_cache
+1 0.0045 __nss_database_lookup
+1 0.0045 __open_nocancel
+1 0.0045 __register_atfork
+1 0.0045 __xstat
+1 0.0045 _nl_load_domain
+1 0.0045 _nl_load_locale_from_archive
+1 0.0045 _nl_postload_ctype
+1 0.0045 brk
+1 0.0045 btowc
+1 0.0045 fdatasync
+1 0.0045 fflush
+1 0.0045 fork
+1 0.0045 ftruncate
+1 0.0045 llseek
+1 0.0045 mallopt
+1 0.0045 mmap64
+1 0.0045 mremap
+1 0.0045 munmap
+1 0.0045 open
+1 0.0045 ptmalloc_init
+1 0.0045 putc
+1 0.0045 rangecmp
+1 0.0045 rawmemchr
+1 0.0045 re_search_internal
+1 0.0045 setlocale
+1 0.0045 sigaction
+1 0.0045 sigismember
+1 0.0045 strcasecmp
+1 0.0045 strcat
+1 0.0045 strncpy
+1 0.0045 tcgetattr
+1 0.0045 tzset_internal
+1 0.0045 writev