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30862f2c TS |
1 | /* |
2 | * builtin-config.c | |
3 | * | |
4 | * Copyright (C) 2015, Taeung Song <treeze.taeung@gmail.com> | |
5 | * | |
6 | */ | |
7 | #include "builtin.h" | |
8 | ||
9 | #include "perf.h" | |
10 | ||
11 | #include "util/cache.h" | |
4b6ab94e | 12 | #include <subcmd/parse-options.h> |
30862f2c TS |
13 | #include "util/util.h" |
14 | #include "util/debug.h" | |
15 | ||
c7ac2417 TS |
16 | static bool use_system_config, use_user_config; |
17 | ||
30862f2c | 18 | static const char * const config_usage[] = { |
c7ac2417 | 19 | "perf config [<file-option>] [options]", |
30862f2c TS |
20 | NULL |
21 | }; | |
22 | ||
23 | enum actions { | |
24 | ACTION_LIST = 1 | |
25 | } actions; | |
26 | ||
27 | static struct option config_options[] = { | |
28 | OPT_SET_UINT('l', "list", &actions, | |
29 | "show current config variables", ACTION_LIST), | |
c7ac2417 TS |
30 | OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"), |
31 | OPT_BOOLEAN(0, "user", &use_user_config, "use user config file"), | |
30862f2c TS |
32 | OPT_END() |
33 | }; | |
34 | ||
35 | static int show_config(const char *key, const char *value, | |
36 | void *cb __maybe_unused) | |
37 | { | |
38 | if (value) | |
39 | printf("%s=%s\n", key, value); | |
40 | else | |
41 | printf("%s\n", key); | |
42 | ||
43 | return 0; | |
44 | } | |
45 | ||
46 | int cmd_config(int argc, const char **argv, const char *prefix __maybe_unused) | |
47 | { | |
48 | int ret = 0; | |
c7ac2417 | 49 | char *user_config = mkpath("%s/.perfconfig", getenv("HOME")); |
30862f2c TS |
50 | |
51 | argc = parse_options(argc, argv, config_options, config_usage, | |
52 | PARSE_OPT_STOP_AT_NON_OPTION); | |
53 | ||
c7ac2417 TS |
54 | if (use_system_config && use_user_config) { |
55 | pr_err("Error: only one config file at a time\n"); | |
56 | parse_options_usage(config_usage, config_options, "user", 0); | |
57 | parse_options_usage(NULL, config_options, "system", 0); | |
58 | return -1; | |
59 | } | |
60 | ||
61 | if (use_system_config) | |
62 | config_exclusive_filename = perf_etc_perfconfig(); | |
63 | else if (use_user_config) | |
64 | config_exclusive_filename = user_config; | |
65 | ||
30862f2c TS |
66 | switch (actions) { |
67 | case ACTION_LIST: | |
68 | if (argc) { | |
69 | pr_err("Error: takes no arguments\n"); | |
70 | parse_options_usage(config_usage, config_options, "l", 1); | |
71 | } else { | |
72 | ret = perf_config(show_config, NULL); | |
c7ac2417 TS |
73 | if (ret < 0) { |
74 | const char * config_filename = config_exclusive_filename; | |
75 | if (!config_exclusive_filename) | |
76 | config_filename = user_config; | |
30862f2c | 77 | pr_err("Nothing configured, " |
c7ac2417 TS |
78 | "please check your %s \n", config_filename); |
79 | } | |
30862f2c TS |
80 | } |
81 | break; | |
82 | default: | |
83 | usage_with_options(config_usage, config_options); | |
84 | } | |
85 | ||
86 | return ret; | |
87 | } |