perf version: Print the compiled-in status of libraries

[linux-2.6-microblaze.git] / tools / perf / builtin-version.c

diff --git a/tools/perf/builtin-version.c b/tools/perf/builtin-version.c
index 37019c5..2abe391 100644 (file)
--- a/tools/perf/builtin-version.c
+++ b/tools/perf/builtin-version.c
@@ -1,11 +1,91 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "builtin.h"
 #include "perf.h"
+#include "color.h"
 #include <linux/compiler.h>
+#include <tools/config.h>
 #include <stdio.h>
+#include <string.h>
+#include <subcmd/parse-options.h>
 
-int cmd_version(int argc __maybe_unused, const char **argv __maybe_unused)
+int version_verbose;
+
+struct version {
+       bool    build_options;
+};
+
+static struct version version;
+
+static struct option version_options[] = {
+       OPT_BOOLEAN(0, "build-options", &version.build_options,
+                   "display the build options"),
+};
+
+static const char * const version_usage[] = {
+       "perf version [<options>]",
+       NULL
+};
+
+static void on_off_print(const char *status)
+{
+       printf("[ ");
+
+       if (!strcmp(status, "OFF"))
+               color_fprintf(stdout, PERF_COLOR_RED, "%-3s", status);
+       else
+               color_fprintf(stdout, PERF_COLOR_GREEN, "%-3s", status);
+
+       printf(" ]");
+}
+
+static void status_print(const char *name, const char *macro,
+                        const char *status)
 {
+       printf("%22s: ", name);
+       on_off_print(status);
+       printf("  # %s\n", macro);
+}
+
+#define STATUS(__d, __m)                               \
+do {                                                   \
+       if (IS_BUILTIN(__d))                            \
+               status_print(#__m, #__d, "on");         \
+       else                                            \
+               status_print(#__m, #__d, "OFF");        \
+} while (0)
+
+static void library_status(void)
+{
+       STATUS(HAVE_DWARF_SUPPORT, dwarf);
+       STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, 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);
+}
+
+int cmd_version(int argc, const char **argv)
+{
+       argc = parse_options(argc, argv, version_options, version_usage,
+                            PARSE_OPT_STOP_AT_NON_OPTION);
+
        printf("perf version %s\n", perf_version_string);
+
+       if (version.build_options || version_verbose == 1)
+               library_status();
+
        return 0;
 }