On Fri, Mar 30, 2018 at 05:27:10PM +0800, Jin Yao wrote: > We keep having bug reports that when users build perf on their own, > but they don't install some needed libraries such as libelf, > libbfd/libibery. > > The perf can build, but it is missing important functionality. And > users may complain that perf has issue or bug. > > This patch-set support to print the status of compiled-in libraries. > > Once users think perf missing some functionality, it should be very > easy for them to check the libraries status. > > For example: > > $ ./perf version --build-options > or > ./perf --version --build-options > or > ./perf -v --build-options > or > ./perf -vv > > perf version 4.13.rc5.g6727c5 > dwarf: [ on ] # HAVE_DWARF_SUPPORT > dwarf_getlocations: [ on ] # HAVE_DWARF_GETLOCATIONS_SUPPORT > glibc: [ on ] # HAVE_GLIBC_SUPPORT > gtk2: [ on ] # HAVE_GTK2_SUPPORT > libaudit: [ OFF ] # HAVE_LIBAUDIT_SUPPORT > libbfd: [ on ] # HAVE_LIBBFD_SUPPORT > libelf: [ on ] # HAVE_LIBELF_SUPPORT > libnuma: [ on ] # HAVE_LIBNUMA_SUPPORT > numa_num_possible_cpus: [ on ] # HAVE_LIBNUMA_SUPPORT > libperl: [ on ] # HAVE_LIBPERL_SUPPORT > libpython: [ on ] # HAVE_LIBPYTHON_SUPPORT > libslang: [ on ] # HAVE_SLANG_SUPPORT > libcrypto: [ on ] # HAVE_LIBCRYPTO_SUPPORT > libunwind: [ on ] # HAVE_LIBUNWIND_SUPPORT > libdw-dwarf-unwind: [ on ] # HAVE_DWARF_SUPPORT > zlib: [ on ] # HAVE_ZLIB_SUPPORT > lzma: [ on ] # HAVE_LZMA_SUPPORT > get_cpuid: [ on ] # HAVE_AUXTRACE_SUPPORT > bpf: [ on ] # HAVE_LIBBPF_SUPPORT > > v4: > --- > 1. Also print the macro name. That would make it easier > to grep around in the source looking for where code > related a particular features is located. > > 2. Update since HAVE_DWARF_GETLOCATIONS is renamed to > HAVE_DWARF_GETLOCATIONS_SUPPORT
Acked-by: Jiri Olsa <[email protected]> thanks, jirka
