xref: /linux/tools/perf/builtin-version.c (revision 4ab5a5d2a4a2289c2af07accbec7170ca5671f41)
1 // SPDX-License-Identifier: GPL-2.0
2 #include "builtin.h"
3 #include "perf.h"
4 #include "color.h"
5 #include <linux/compiler.h>
6 #include <tools/config.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 };
23 
24 static const char * const version_usage[] = {
25 	"perf version [<options>]",
26 	NULL
27 };
28 
29 static 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 
41 static 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)				\
50 do {							\
51 	if (IS_BUILTIN(__d))				\
52 		status_print(#__m, #__d, "on");		\
53 	else						\
54 		status_print(#__m, #__d, "OFF");	\
55 } while (0)
56 
57 static void library_status(void)
58 {
59 	STATUS(HAVE_DWARF_SUPPORT, dwarf);
60 	STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, dwarf_getlocations);
61 	STATUS(HAVE_GLIBC_SUPPORT, glibc);
62 	STATUS(HAVE_GTK2_SUPPORT, gtk2);
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 }
82 
83 int cmd_version(int argc, const char **argv)
84 {
85 	argc = parse_options(argc, argv, version_options, version_usage,
86 			     PARSE_OPT_STOP_AT_NON_OPTION);
87 
88 	printf("perf version %s\n", perf_version_string);
89 
90 	if (version.build_options || version_verbose == 1)
91 		library_status();
92 
93 	return 0;
94 }
95