On Mon, 3 Sep 2012 16:14:30 +0800, Feng Tang wrote:
> So that other perf commands/browser has a way to dig out the available
> scripts info in system, this is a preparation for the script browser.
>
> Signed-off-by: Feng Tang <feng.t...@intel.com>
> ---
> tools/perf/builtin-script.c | 46
> +++++++++++++++++++++++++++++++++++++++++++
> tools/perf/builtin.h | 1 +
> 2 files changed, 47 insertions(+), 0 deletions(-)
>
> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
> index 7ab86bb..d46056c 100644
> --- a/tools/perf/builtin-script.c
> +++ b/tools/perf/builtin-script.c
> @@ -1031,6 +1031,52 @@ static int list_available_scripts(const struct option
> *opt __used,
> exit(0);
> }
>
> +/*
> + * Return 0 if none is found, otherwise the actual scripts number.
> + *
> + * Currently we just return all the raw scripts name, and their full path.
> + *
> + */
> +int find_scripts(char **scripts_array, char **scripts_path_array)
> +{
> + struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
> + char scripts_path[MAXPATHLEN];
> + DIR *scripts_dir, *lang_dir;
> + char lang_path[MAXPATHLEN];
> + struct script_desc *desc;
> + char first_half[BUFSIZ];
> + char *temp;
> + int i = 0;
> +
> + first_half[0] = 0;
> + desc = NULL;
> +
> + snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
> +
> + scripts_dir = opendir(scripts_path);
> + if (!scripts_dir)
> + return -1;
> +
> + for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
It'd be better if checking language supported - ie. by NO_LIBPERL and/or
NO_LIBPYTHON macro rather than showing all regardless. Also you might
consider when perf was built with no script language support.
Thanks,
Namhyung
> + snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
> + lang_dirent.d_name);
> + lang_dir = opendir(lang_path);
> + if (!lang_dir)
> + continue;
> +
> + for_each_script(lang_path, lang_dir, script_dirent,
> script_next) {
> + sprintf(scripts_path_array[i], "%s/%s", lang_path,
> + script_dirent.d_name);
> + temp = strchr(script_dirent.d_name, '.');
> + snprintf(scripts_array[i], (temp -
> script_dirent.d_name) + 1,
> + "%s", script_dirent.d_name);
> + i++;
> + }
> + }
> +
> + return i;
> +}
> +
> static char *get_script_path(const char *script_root, const char *suffix)
> {
> struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
> diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h
> index b382bd5..3ea74ed 100644
> --- a/tools/perf/builtin.h
> +++ b/tools/perf/builtin.h
> @@ -36,4 +36,5 @@ extern int cmd_kvm(int argc, const char **argv, const char
> *prefix);
> extern int cmd_test(int argc, const char **argv, const char *prefix);
> extern int cmd_inject(int argc, const char **argv, const char *prefix);
>
> +extern int find_scripts(char **scripts_array, char **scripts_path_array);
> #endif
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