Re: [PATCH v2 3/4] perf version: Print the compiled-in status of libraries

Jiri Olsa
2018-03-28T13:10:57Z

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