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_LIBCAPSTONE_SUPPORT, libcapstone);
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	STATUS(HAVE_LIBTRACEEVENT, libtraceevent);
85	STATUS(HAVE_BPF_SKEL, bpf_skeletons);
86	STATUS(HAVE_DWARF_UNWIND_SUPPORT, dwarf-unwind-support);
87	STATUS(HAVE_CSTRACE_SUPPORT, libopencsd);
88}
89
90int cmd_version(int argc, const char **argv)
91{
92	argc = parse_options(argc, argv, version_options, version_usage,
93			     PARSE_OPT_STOP_AT_NON_OPTION);
94
95	printf("perf version %s\n", perf_version_string);
96
97	if (version.build_options || verbose > 0)
98		library_status();
99
100	return 0;
101}
102