linux-kernel - [PATCH v1 1/5] perf version: Add status of bpf skeletons

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Date:   Thu, 14 Sep 2023 14:19:44 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Nick Terrell <terrelln@...com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, Andrii Nakryiko <andrii@...nel.org>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>,
        James Clark <james.clark@....com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        Patrice Duroux <patrice.duroux@...il.com>,
        Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org, llvm@...ts.linux.dev
Subject: [PATCH v1 1/5] perf version: Add status of bpf skeletons

Add status for BPF skeletons, to see if a build has them enabled:
```
$ perf version --build-options
perf version 6.6.rc1.g0381ae36d1a6
                 dwarf: [ OFF ]  # HAVE_DWARF_SUPPORT
    dwarf_getlocations: [ OFF ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
         syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
                libbfd: [ OFF ]  # HAVE_LIBBFD_SUPPORT
            debuginfod: [ OFF ]  # HAVE_DEBUGINFOD_SUPPORT
                libelf: [ OFF ]  # HAVE_LIBELF_SUPPORT
               libnuma: [ OFF ]  # HAVE_LIBNUMA_SUPPORT
numa_num_possible_cpus: [ OFF ]  # HAVE_LIBNUMA_SUPPORT
               libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
             libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
              libslang: [ on  ]  # HAVE_SLANG_SUPPORT
             libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
             libunwind: [ OFF ]  # HAVE_LIBUNWIND_SUPPORT
    libdw-dwarf-unwind: [ OFF ]  # HAVE_DWARF_SUPPORT
                  zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
                  lzma: [ on  ]  # HAVE_LZMA_SUPPORT
             get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
                   bpf: [ OFF ]  # HAVE_LIBBPF_SUPPORT
                   aio: [ on  ]  # HAVE_AIO_SUPPORT
                  zstd: [ on  ]  # HAVE_ZSTD_SUPPORT
               libpfm4: [ on  ]  # HAVE_LIBPFM
         libtraceevent: [ on  ]  # HAVE_LIBTRACEEVENT
         bpf_skeletons: [ OFF ]  # HAVE_BPF_SKEL
```

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/builtin-version.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
index e5859c70e195..ac20c2b9bbc2 100644
--- a/tools/perf/builtin-version.c
+++ b/tools/perf/builtin-version.c
@@ -81,6 +81,7 @@ static void library_status(void)
 	STATUS(HAVE_ZSTD_SUPPORT, zstd);
 	STATUS(HAVE_LIBPFM, libpfm4);
 	STATUS(HAVE_LIBTRACEEVENT, libtraceevent);
+	STATUS(HAVE_BPF_SKEL, bpf_skeletons);
 }
 
 int cmd_version(int argc, const char **argv)
-- 
2.42.0.459.ge4e396fd5e-goog