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Commit e5f3705e authored by Feng Tang's avatar Feng Tang Committed by Arnaldo Carvalho de Melo
Browse files

perf scripts: Export a find_scripts() function 



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: default avatarFeng Tang <feng.tang@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1347007349-3102-5-git-send-email-feng.tang@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 59cbea22

tools/perf/builtin-script.c

+55 −0
Original line number Original line Diff line number Diff line
@@ -1032,6 +1032,61 @@ static int list_available_scripts(const struct option *opt __maybe_unused, 
	exit(0);

	exit(0);

}

}





/*

 * Return -1 if none is found, otherwise the actual scripts number.

 *

 * Currently the only user of this function is the script browser, which

 * will list all statically runnable scripts, select one, execute it and

 * show the output in a perf browser.

 */

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];

	char *temp;

	int i = 0;



	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) {

		snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,

			 lang_dirent.d_name);

#ifdef NO_LIBPERL

		if (strstr(lang_path, "perl"))

			continue;

#endif

#ifdef NO_LIBPYTHON

		if (strstr(lang_path, "python"))

			continue;

#endif



		lang_dir = opendir(lang_path);

		if (!lang_dir)

			continue;



		for_each_script(lang_path, lang_dir, script_dirent, script_next) {

			/* Skip those real time scripts: xxxtop.p[yl] */

			if (strstr(script_dirent.d_name, "top."))

				continue;

			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)

static char *get_script_path(const char *script_root, const char *suffix)

{

{

	struct dirent *script_next, *lang_next, script_dirent, lang_dirent;

	struct dirent *script_next, *lang_next, script_dirent, lang_dirent;

tools/perf/builtin.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -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_test(int argc, const char **argv, const char *prefix);

extern int cmd_inject(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
 
#endif