• Alexey Budankov's avatar
    tools build feature: Check if libaio is available · 2a07d814
    Alexey Budankov authored
    This will be used by 'perf record' to speed up reading the perf ring
    buffer.
    
    Committer testing:
    
      $ make -C tools/perf O=/tmp/build/perf
      make: Entering directory '/home/acme/git/perf/tools/perf'
        BUILD:   Doing 'make -j8' parallel build
    
      Auto-detecting system features:
      ...                         dwarf: [ on  ]
      ...            dwarf_getlocations: [ on  ]
      ...                         glibc: [ on  ]
      ...                          gtk2: [ OFF ]
      ...                      libaudit: [ OFF ]
      ...                        libbfd: [ OFF ]
      ...                        libelf: [ on  ]
      ...                       libnuma: [ OFF ]
      ...        numa_num_possible_cpus: [ OFF ]
      ...                       libperl: [ OFF ]
      ...                     libpython: [ OFF ]
      ...                      libslang: [ on  ]
      ...                     libcrypto: [ on  ]
      ...                     libunwind: [ on  ]
      ...            libdw-dwarf-unwind: [ on  ]
      ...                          zlib: [ on  ]
      ...                          lzma: [ on  ]
      ...                     get_cpuid: [ on  ]
      ...                           bpf: [ on  ]
      ...                        libaio: [ on  ]
    
      $ ls -la /tmp/build/perf/feature/test-libaio.*
      -rwxrwxr-x. 1 acme acme 18296 Nov 26 08:49 /tmp/build/perf/feature/test-libaio.bin
      -rw-rw-r--. 1 acme acme  1165 Nov 26 08:49 /tmp/build/perf/feature/test-libaio.d
      -rw-rw-r--. 1 acme acme     0 Nov 26 08:49 /tmp/build/perf/feature/test-libaio.make.output
      $
      $ grep -i aio /tmp/build/perf/FEATURE-DUMP
      feature-libaio=1
      $
    Signed-off-by: default avatarAlexey Budankov <alexey.budankov@linux.intel.com>
    Tested-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    Reviewed-by: default avatarJiri Olsa <jolsa@redhat.com>
    Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
    Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
    Cc: Andi Kleen <ak@linux.intel.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Link: http://lkml.kernel.org/r/5fcda10c-6c63-68df-383a-c6d9e5d1f918@linux.intel.com
    [ split from a larger patch ]
    Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    2a07d814
test-libaio.c 302 Bytes