Add a helper function has_kcore_dir(), so that perf inject can determine if
it needs to keep the kcore_dir.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20220520132404.25853-5-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
return mkdir(buf, S_IRWXU);
}
+bool has_kcore_dir(const char *path)
+{
+ char *kcore_dir;
+ int ret;
+
+ if (asprintf(&kcore_dir, "%s/kcore_dir", path) < 0)
+ return false;
+
+ ret = access(kcore_dir, F_OK);
+
+ free(kcore_dir);
+ return !ret;
+}
+
char *perf_data__kallsyms_name(struct perf_data *data)
{
char *kallsyms_name;
int perf_data__update_dir(struct perf_data *data);
unsigned long perf_data__size(struct perf_data *data);
int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz);
+bool has_kcore_dir(const char *path);
char *perf_data__kallsyms_name(struct perf_data *data);
bool is_perf_data(const char *path);
#endif /* __PERF_DATA_H */