linux-kernel - [PATCH v3 0/5] Support perf -vv

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Date:   Thu, 29 Mar 2018 22:56:17 +0800
From:   Jin Yao <yao.jin@...ux.intel.com>
To:     acme@...nel.org, jolsa@...nel.org, peterz@...radead.org,
        mingo@...hat.com, alexander.shishkin@...ux.intel.com
Cc:     Linux-kernel@...r.kernel.org, ak@...ux.intel.com,
        kan.liang@...el.com, yao.jin@...el.com,
        Jin Yao <yao.jin@...ux.intel.com>
Subject: [PATCH v3 0/5] Support perf -vv

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.g4c1df1
                 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  ]

Jin Yao (4):
  perf config: Add some new -DHAVE_XXX to CFLAGS
  perf version: Print the compiled-in status of libraries
  perf: Support perf -vv
  perf Documentation: Create perf-version.txt

Jiri Olsa (1):
  tools include: Add config.h header file

 tools/include/tools/config.h              | 34 +++++++++++++
 tools/perf/Documentation/perf-version.txt | 24 +++++++++
 tools/perf/Makefile.config                |  6 +++
 tools/perf/builtin-version.c              | 81 ++++++++++++++++++++++++++++++-
 tools/perf/perf.c                         |  6 +++
 tools/perf/perf.h                         |  1 +
 6 files changed, 151 insertions(+), 1 deletion(-)
 create mode 100644 tools/include/tools/config.h
 create mode 100644 tools/perf/Documentation/perf-version.txt

-- 
2.7.4