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perf scripts: Export a find_scripts() function

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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>
This commit is contained in:
Feng Tang 2012-09-07 16:42:26 +08:00 committed by Arnaldo Carvalho de Melo
parent 59cbea2294
commit e5f3705e62
2 changed files with 56 additions and 0 deletions
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55
tools/perf/builtin-script.c
View File

@ -1032,6 +1032,61 @@ static int list_available_scripts(const struct option *opt __maybe_unused,
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;

1
tools/perf/builtin.h
View File

@ -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