tools/perf/builtin-version.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3 #include "perf.h"
   4 #include "color.h"
   5 #include <tools/config.h>
   6 #include <stdbool.h>
   7 #include <stdio.h>
   8 #include <string.h>
   9 #include <subcmd/parse-options.h>
  10
  11 int version_verbose;
  12
  13 struct version {
  14         bool    build_options;
  15 };
  16
  17 static struct version version;
  18
  19 static struct option version_options[] = {
  20         OPT_BOOLEAN(0, "build-options", &version.build_options,
  21                     "display the build options"),
  22         OPT_END(),
  23 };
  24
  25 static const char * const version_usage[] = {
  26         "perf version [<options>]",
  27         NULL
  28 };
  29
  30 static void on_off_print(const char *status)
  31 {
  32         printf("[ ");
  33
  34         if (!strcmp(status, "OFF"))
  35                 color_fprintf(stdout, PERF_COLOR_RED, "%-3s", status);
  36         else
  37                 color_fprintf(stdout, PERF_COLOR_GREEN, "%-3s", status);
  38
  39         printf(" ]");
  40 }
  41
  42 static void status_print(const char *name, const char *macro,
  43                          const char *status)
  44 {
  45         printf("%22s: ", name);
  46         on_off_print(status);
  47         printf("  # %s\n", macro);
  48 }
  49
  50 #define STATUS(__d, __m)                                \
  51 do {                                                    \
  52         if (IS_BUILTIN(__d))                            \
  53                 status_print(#__m, #__d, "on");         \
  54         else                                            \
  55                 status_print(#__m, #__d, "OFF");        \
  56 } while (0)
  57
  58 static void library_status(void)
  59 {
  60         STATUS(HAVE_DWARF_SUPPORT, dwarf);
  61         STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, dwarf_getlocations);
  62         STATUS(HAVE_GLIBC_SUPPORT, glibc);
  63 #ifndef HAVE_SYSCALL_TABLE_SUPPORT
  64         STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit);
  65 #endif
  66         STATUS(HAVE_SYSCALL_TABLE_SUPPORT, syscall_table);
  67         STATUS(HAVE_LIBBFD_SUPPORT, libbfd);
  68         STATUS(HAVE_LIBELF_SUPPORT, libelf);
  69         STATUS(HAVE_LIBNUMA_SUPPORT, libnuma);
  70         STATUS(HAVE_LIBNUMA_SUPPORT, numa_num_possible_cpus);
  71         STATUS(HAVE_LIBPERL_SUPPORT, libperl);
  72         STATUS(HAVE_LIBPYTHON_SUPPORT, libpython);
  73         STATUS(HAVE_SLANG_SUPPORT, libslang);
  74         STATUS(HAVE_LIBCRYPTO_SUPPORT, libcrypto);
  75         STATUS(HAVE_LIBUNWIND_SUPPORT, libunwind);
  76         STATUS(HAVE_DWARF_SUPPORT, libdw-dwarf-unwind);
  77         STATUS(HAVE_ZLIB_SUPPORT, zlib);
  78         STATUS(HAVE_LZMA_SUPPORT, lzma);
  79         STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid);
  80         STATUS(HAVE_LIBBPF_SUPPORT, bpf);
  81         STATUS(HAVE_AIO_SUPPORT, aio);
  82         STATUS(HAVE_ZSTD_SUPPORT, zstd);
  83 }
  84
  85 int cmd_version(int argc, const char **argv)
  86 {
  87         argc = parse_options(argc, argv, version_options, version_usage,
  88                              PARSE_OPT_STOP_AT_NON_OPTION);
  89
  90         printf("perf version %s\n", perf_version_string);
  91
  92         if (version.build_options || version_verbose == 1)
  93                 library_status();
  94
  95         return 0;
  96 }