linux/tools/perf/builtin-config.c
Josh Poimboeuf 4b6ab94eab perf subcmd: Create subcmd library
Move the subcommand-related files from perf to a new library named
libsubcmd.a.

Since we're moving files anyway, go ahead and rename 'exec_cmd.*' to
'exec-cmd.*' to be consistent with the naming of all the other files.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/c0a838d4c878ab17fee50998811612b2281355c1.1450193761.git.jpoimboe@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-12-17 14:27:14 -03:00

67 lines
1.3 KiB
C

/*
* builtin-config.c
*
* Copyright (C) 2015, Taeung Song <treeze.taeung@gmail.com>
*
*/
#include "builtin.h"
#include "perf.h"
#include "util/cache.h"
#include <subcmd/parse-options.h>
#include "util/util.h"
#include "util/debug.h"
static const char * const config_usage[] = {
"perf config [options]",
NULL
};
enum actions {
ACTION_LIST = 1
} actions;
static struct option config_options[] = {
OPT_SET_UINT('l', "list", &actions,
"show current config variables", ACTION_LIST),
OPT_END()
};
static int show_config(const char *key, const char *value,
void *cb __maybe_unused)
{
if (value)
printf("%s=%s\n", key, value);
else
printf("%s\n", key);
return 0;
}
int cmd_config(int argc, const char **argv, const char *prefix __maybe_unused)
{
int ret = 0;
argc = parse_options(argc, argv, config_options, config_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
switch (actions) {
case ACTION_LIST:
if (argc) {
pr_err("Error: takes no arguments\n");
parse_options_usage(config_usage, config_options, "l", 1);
} else {
ret = perf_config(show_config, NULL);
if (ret < 0)
pr_err("Nothing configured, "
"please check your ~/.perfconfig file\n");
}
break;
default:
usage_with_options(config_usage, config_options);
}
return ret;
}