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" 12 #include <subcmd/parse-options.h> 13 #include "util/util.h" 14 #include "util/debug.h" 15 16 static const char * const config_usage[] = { 17 "perf config [options]", 18 NULL 19 }; 20 21 enum actions { 22 ACTION_LIST = 1 23 } actions; 24 25 static struct option config_options[] = { 26 OPT_SET_UINT('l', "list", &actions, 27 "show current config variables", ACTION_LIST), 28 OPT_END() 29 }; 30 31 static int show_config(const char *key, const char *value, 32 void *cb __maybe_unused) 33 { 34 if (value) 35 printf("%s=%s\n", key, value); 36 else 37 printf("%s\n", key); 38 39 return 0; 40 } 41 42 int cmd_config(int argc, const char **argv, const char *prefix __maybe_unused) 43 { 44 int ret = 0; 45 46 argc = parse_options(argc, argv, config_options, config_usage, 47 PARSE_OPT_STOP_AT_NON_OPTION); 48 49 switch (actions) { 50 case ACTION_LIST: 51 if (argc) { 52 pr_err("Error: takes no arguments\n"); 53 parse_options_usage(config_usage, config_options, "l", 1); 54 } else { 55 ret = perf_config(show_config, NULL); 56 if (ret < 0) 57 pr_err("Nothing configured, " 58 "please check your ~/.perfconfig file\n"); 59 } 60 break; 61 default: 62 usage_with_options(config_usage, config_options); 63 } 64 65 return ret; 66 } 67