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 STATUS(HAVE_LIBPFM, libpfm4);
84 }
85
86 int cmd_version(int argc, const char **argv)
87 {
88 argc = parse_options(argc, argv, version_options, version_usage,
89 PARSE_OPT_STOP_AT_NON_OPTION);
90
91 printf("perf version %s\n", perf_version_string);
92
93 if (version.build_options || version_verbose == 1)
94 library_status();
95
96 return 0;
97 }
98
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