$ PERL_DL_DEBUG=1 perl -MTime::HiRes -e 'print join "\n", values %INC' DynaLoader.pm loaded (/usr/lib/perl5/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/5.8.8 /usr/lib/perl5/site_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /usr/lib/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl ., /lib64 /usr/lib64 /usr/local/lib64) DynaLoader::bootstrap for Time::HiRes (auto/Time/HiRes/HiRes.so) dl_load_file(/usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/auto/Time/HiRes/HiRes.so,0): /usr/lib/perl5/5.8.8/Carp.pm /usr/lib/perl5/5.8.8/warnings/register.pm /usr/lib/perl5/5.8.8/Exporter/Heavy.pm /usr/lib/perl5/5.8.8/Exporter.pm /usr/lib/perl5/5.8.8/vars.pm /usr/lib/perl5/5.8.8/strict.pm /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/Time/HiRes.pm /usr/lib/perl5/5.8.8/warnings.pm /usr/lib/perl5/5.8.8/AutoLoader.pm /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/Config.pm /usr/lib/perl5/5.8.8/x86_64-linux-thread-multi/DynaLoader.pm