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: Feng 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: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 76577e6..1be843a 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1032,6 +1032,61 @@
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)
{
struct dirent *script_next, *lang_next, script_dirent, lang_dirent;