On Wed, Mar 28, 2018 at 10:57:07PM +0800, Jin Yao wrote: SNIP
> + > +static void library_status(void) > +{ > + STATUS(HAVE_DWARF_SUPPORT, dwarf); > + STATUS(HAVE_DWARF_GETLOCATIONS, dwarf_getlocations); > + STATUS(HAVE_GLIBC_SUPPORT, glibc); > + STATUS(HAVE_GTK2_SUPPORT, gtk2); > + STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit); > + STATUS(HAVE_LIBBFD_SUPPORT, libbfd); > + STATUS(HAVE_LIBELF_SUPPORT, libelf); > + STATUS(HAVE_LIBNUMA_SUPPORT, libnuma); > + STATUS(HAVE_LIBNUMA_SUPPORT, numa_num_possible_cpus); > + STATUS(HAVE_LIBPERL_SUPPORT, libperl); > + STATUS(HAVE_LIBPYTHON_SUPPORT, libpython); > + STATUS(HAVE_SLANG_SUPPORT, libslang); > + STATUS(HAVE_LIBCRYPTO_SUPPORT, libcrypto); > + STATUS(HAVE_LIBUNWIND_SUPPORT, libunwind); > + STATUS(HAVE_DWARF_SUPPORT, libdw-dwarf-unwind); > + STATUS(HAVE_ZLIB_SUPPORT, zlib); > + STATUS(HAVE_LZMA_SUPPORT, lzma); > + STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid); > + STATUS(HAVE_LIBBPF_SUPPORT, bpf); > + > + on_off_print("on"); > + printf(": library is compiled-in\n"); > + > + on_off_print("OFF"); > + printf(": library is disabled in make configuration\n"); > + printf(" OR library is not installed in build environment\n"); [jolsa@krava perf]$ ./perf -vv perf version 4.16.rc6.gcc183d dwarf: [ on ] dwarf_getlocations: [ on ] glibc: [ on ] gtk2: [ on ] libaudit: [ OFF ] libbfd: [ on ] libelf: [ on ] libnuma: [ on ] numa_num_possible_cpus: [ on ] libperl: [ on ] libpython: [ on ] libslang: [ on ] libcrypto: [ on ] libunwind: [ on ] libdw-dwarf-unwind: [ on ] zlib: [ on ] lzma: [ on ] get_cpuid: [ on ] bpf: [ on ] [ on ]: library is compiled-in [ OFF ]: library is disabled in make configuration OR library is not installed in build environment did anyone asked for this ^^^ help messages? I don't think they are necessary jirka