1// SPDX-License-Identifier: GPL-2.0
2#include "builtin.h"
3#include "color.h"
4#include "util/debug.h"
5#include "util/header.h"
6#include <tools/config.h>
7#include <stdbool.h>
8#include <stdio.h>
9#include <string.h>
10#include <subcmd/parse-options.h>
11
12struct version {
13 bool build_options;
14};
15
16static struct version version;
17
18static struct option version_options[] = {
19 OPT_BOOLEAN(0, "build-options", &version.build_options,
20 "display the build options"),
21 OPT_END(),
22};
23
24static const char * const version_usage[] = {
25 "perf version [<options>]",
26 NULL
27};
28
29static void on_off_print(const char *status)
30{
31 printf("[ ");
32
33 if (!strcmp(status, "OFF"))
34 color_fprintf(stdout, PERF_COLOR_RED, "%-3s", status);
35 else
36 color_fprintf(stdout, PERF_COLOR_GREEN, "%-3s", status);
37
38 printf(" ]");
39}
40
41static void status_print(const char *name, const char *macro,
42 const char *status)
43{
44 printf("%22s: ", name);
45 on_off_print(status);
46 printf(" # %s\n", macro);
47}
48
49#define STATUS(__d, __m) \
50do { \
51 if (IS_BUILTIN(__d)) \
52 status_print(#__m, #__d, "on"); \
53 else \
54 status_print(#__m, #__d, "OFF"); \
55} while (0)
56
57static void library_status(void)
58{
59 STATUS(HAVE_DWARF_SUPPORT, dwarf);
60 STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, dwarf_getlocations);
61#ifndef HAVE_SYSCALL_TABLE_SUPPORT
62 STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit);
63#endif
64 STATUS(HAVE_SYSCALL_TABLE_SUPPORT, syscall_table);
65 STATUS(HAVE_LIBBFD_SUPPORT, libbfd);
66 STATUS(HAVE_DEBUGINFOD_SUPPORT, debuginfod);
67 STATUS(HAVE_LIBELF_SUPPORT, libelf);
68 STATUS(HAVE_LIBNUMA_SUPPORT, libnuma);
69 STATUS(HAVE_LIBNUMA_SUPPORT, numa_num_possible_cpus);
70 STATUS(HAVE_LIBPERL_SUPPORT, libperl);
71 STATUS(HAVE_LIBPYTHON_SUPPORT, libpython);
72 STATUS(HAVE_SLANG_SUPPORT, libslang);
73 STATUS(HAVE_LIBCRYPTO_SUPPORT, libcrypto);
74 STATUS(HAVE_LIBUNWIND_SUPPORT, libunwind);
75 STATUS(HAVE_DWARF_SUPPORT, libdw-dwarf-unwind);
76 STATUS(HAVE_ZLIB_SUPPORT, zlib);
77 STATUS(HAVE_LZMA_SUPPORT, lzma);
78 STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid);
79 STATUS(HAVE_LIBBPF_SUPPORT, bpf);
80 STATUS(HAVE_AIO_SUPPORT, aio);
81 STATUS(HAVE_ZSTD_SUPPORT, zstd);
82 STATUS(HAVE_LIBPFM, libpfm4);
83 STATUS(HAVE_LIBTRACEEVENT, libtraceevent);
84 STATUS(HAVE_BPF_SKEL, bpf_skeletons);
85}
86
87int cmd_version(int argc, const char **argv)
88{
89 argc = parse_options(argc, argv, version_options, version_usage,
90 PARSE_OPT_STOP_AT_NON_OPTION);
91
92 printf("perf version %s\n", perf_version_string);
93
94 if (version.build_options || verbose > 0)
95 library_status();
96
97 return 0;
98}
99

source code of linux/tools/perf/builtin-version.c