diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2022-05-20 16:24:03 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-05-23 10:11:39 -0300 |
| commit | a4455e0053aacf4ae088530dc045d50f4ea471e3 (patch) | |
| tree | bb74137f04223cb3d0165a807cccfa12dec168db /tools/perf/util/data.c | |
| parent | 180b3d06263ce70dd0622681237cf5c0555d9ca0 (diff) | |
perf data: Add has_kcore_dir()
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>
Diffstat (limited to 'tools/perf/util/data.c')
| -rw-r--r-- | tools/perf/util/data.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index a5ace2bbc28d..caabeac24c69 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -479,6 +479,20 @@ int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz) 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; |