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| author | Feng Tang <feng.tang@intel.com> | 2012-09-07 16:42:26 +0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-09-17 13:11:26 -0300 |
| commit | e5f3705e62b03251797a5173024184bfc223599d (patch) | |
| tree | 0063204a6feb32eb63e5f06e5444ef6af0d6fbd0 | |
| parent | 59cbea229473350168930941986ebe5bf685cc23 (diff) | |
| download | kernel-common-e5f3705e62b03251797a5173024184bfc223599d.tar.gz kernel-common-e5f3705e62b03251797a5173024184bfc223599d.tar.bz2 kernel-common-e5f3705e62b03251797a5173024184bfc223599d.zip | |
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>
| -rw-r--r-- | tools/perf/builtin-script.c | 55 | ||||
| -rw-r--r-- | tools/perf/builtin.h | 1 |
2 files changed, 56 insertions, 0 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 76577e67c3b3..1be843aa1546 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -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; diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h index b382bd551aac..3ea74ed1b26b 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 |