diff options
Diffstat (limited to 'tools/perf/util/data.c')
| -rw-r--r-- | tools/perf/util/data.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index 15a4547d608e..caabeac24c69 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -48,12 +48,16 @@ int perf_data__create_dir(struct perf_data *data, int nr) struct perf_data_file *file = &files[i]; ret = asprintf(&file->path, "%s/data.%d", data->path, i); - if (ret < 0) + if (ret < 0) { + ret = -ENOMEM; goto out_err; + } ret = open(file->path, O_RDWR|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR); - if (ret < 0) + if (ret < 0) { + ret = -errno; goto out_err; + } file->fd = ret; } @@ -475,6 +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; |