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
on_off_print(const char * status)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
status_print(const char * name,const char * macro,const char * status)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(feature) \
50 do { \
51 if (feature.is_builtin) \
52 status_print(feature.name, feature.macro, "on"); \
53 else \
54 status_print(feature.name, feature.macro, "OFF"); \
55 } while (0)
56
library_status(void)57 static void library_status(void)
58 {
59 for (int i = 0; supported_features[i].name; ++i)
60 STATUS(supported_features[i]);
61 }
62
cmd_version(int argc,const char ** argv)63 int cmd_version(int argc, const char **argv)
64 {
65 argc = parse_options(argc, argv, version_options, version_usage,
66 PARSE_OPT_STOP_AT_NON_OPTION);
67
68 printf("perf version %s\n", perf_version_string);
69
70 if (version.build_options || verbose > 0)
71 library_status();
72
73 return 0;
74 }
75