ltrace ouput with apt-cache

sudo ltrace -c apt-cache gencaches
^C% time     seconds  usecs/call     calls      function
------ ----------- ----------- --------- --------------------
 82.29    0.007464        7464         1 _Z13pkgInitConfigR13Configuration
  4.96    0.000450         450         1 setlocale
  3.56    0.000323         323         1 _Z13pkgInitSystemR13ConfigurationRP9pkgSystem
  1.41    0.000128         128         1 isatty
  0.92    0.000083          83         1 _ZN11CommandLine5ParseEiPPKc
  0.88    0.000080          80         1 _ZN14OpTextProgressC1ER13Configuration
  0.80    0.000073          73         1 _ZNSt8ios_base4InitC1Ev
  0.78    0.000071          71         1 _ZN12pkgCacheFileC1Ev
  0.78    0.000071          71         1 _ZNK13Configuration6ExistsEPKc
  0.78    0.000071          71         1 _ZNK13Configuration5FindBEPKcRKb
  0.76    0.000069          69         1 _ZNK11CommandLine8FileSizeEv
  0.72    0.000065          65         1 textdomain
  0.69    0.000063          63         1 _ZN11CommandLineC1EPNS_4ArgsEP13Configuration
  0.65    0.000059          59         1 __cxa_atexit
------ ----------- ----------- --------- --------------------
100.00    0.009070                    14 total