xref: /linux/tools/perf/builtin-version.c (revision 17cfcb68af3bc7d5e8ae08779b1853310a2949f3)
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 	STATUS(HAVE_GTK2_SUPPORT, gtk2);
64 #ifndef HAVE_SYSCALL_TABLE_SUPPORT
65 	STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit);
66 #endif
67 	STATUS(HAVE_SYSCALL_TABLE_SUPPORT, syscall_table);
68 	STATUS(HAVE_LIBBFD_SUPPORT, libbfd);
69 	STATUS(HAVE_LIBELF_SUPPORT, libelf);
70 	STATUS(HAVE_LIBNUMA_SUPPORT, libnuma);
71 	STATUS(HAVE_LIBNUMA_SUPPORT, numa_num_possible_cpus);
72 	STATUS(HAVE_LIBPERL_SUPPORT, libperl);
73 	STATUS(HAVE_LIBPYTHON_SUPPORT, libpython);
74 	STATUS(HAVE_SLANG_SUPPORT, libslang);
75 	STATUS(HAVE_LIBCRYPTO_SUPPORT, libcrypto);
76 	STATUS(HAVE_LIBUNWIND_SUPPORT, libunwind);
77 	STATUS(HAVE_DWARF_SUPPORT, libdw-dwarf-unwind);
78 	STATUS(HAVE_ZLIB_SUPPORT, zlib);
79 	STATUS(HAVE_LZMA_SUPPORT, lzma);
80 	STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid);
81 	STATUS(HAVE_LIBBPF_SUPPORT, bpf);
82 	STATUS(HAVE_AIO_SUPPORT, aio);
83 	STATUS(HAVE_ZSTD_SUPPORT, zstd);
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