12 static const char * const check_subcommands[] = { "feature", NULL };
21 	"perf check feature <feature_list>",
79 /* Helper function to print status of a feature along with name/macro */
80 void feature_status__printf(const struct feature_status *feature)  in feature_status__printf()  argument
82 	const char *name = feature->name, *macro = feature->macro,  in feature_status__printf()
83 		   *status = feature->is_builtin ? "on" : "OFF";  in feature_status__printf()
89 	if (!feature->is_builtin && feature->tip)  in feature_status__printf()
90 		printf(" ( tip: %s )", feature->tip);  in feature_status__printf()
96  * check whether "feature" is built-in with perf
99  *    0: NOT built-in or Feature not known
102 static int has_support(const char *feature)  in has_support()  argument
105 		if ((strcasecmp(feature, supported_features[i].name) == 0) ||  in has_support()
106 		    (strcasecmp(feature, supported_features[i].macro) == 0)) {  in has_support()
114 …pr_err("Unknown feature '%s', please use 'perf version --build-options' to see which ones are avai…  in has_support()
121  * Usage: 'perf check feature <feature_list>'
123  * <feature_list> can be a single feature name/macro, or a comma-separated list
124  * of feature names/macros
145 		pr_err("Too many arguments passed to 'perf check feature'\n");  in subcommand_feature()
153 		pr_err("ERROR: failed to allocate memory for feature list\n");  in subcommand_feature()
177 	if (strcmp(argv[0], "feature") == 0)  in cmd_check()