xref: /linux/tools/perf/builtin-version.c (revision fcab107abe1ab5be9dbe874baa722372da8f4f73)
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 
12 struct version {
13 	bool	build_options;
14 };
15 
16 static struct version version;
17 
18 static struct option version_options[] = {
19 	OPT_BOOLEAN(0, "build-options", &version.build_options,
20 		    "display the build options"),
21 	OPT_END(),
22 };
23 
24 static const char * const version_usage[] = {
25 	"perf version [<options>]",
26 	NULL
27 };
28 
29 static void library_status(void)
30 {
31 	for (int i = 0; supported_features[i].name; ++i)
32 		feature_status__printf(&supported_features[i]);
33 }
34 
35 int cmd_version(int argc, const char **argv)
36 {
37 	argc = parse_options(argc, argv, version_options, version_usage,
38 			     PARSE_OPT_STOP_AT_NON_OPTION);
39 
40 	printf("perf version %s\n", perf_version_string);
41 
42 	if (version.build_options || verbose > 0)
43 		library_status();
44 
45 	return 0;
46 }
47