Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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(feature) \
50do { \
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
57static void library_status(void)
58{
59 for (int i = 0; supported_features[i].name; ++i)
60 STATUS(supported_features[i]);
61}
62
63int 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}