static const char *find_debugfs(void) { const char *path = __perf_debugfs_mount(NULL); if (!path) fprintf(stderr, "Your kernel does not support the debugfs filesystem"); return path; }
const char *perf_debugfs_mount(const char *mountpoint) { const char *mnt; mnt = __perf_tracefs_mount(mountpoint); if (mnt) return mnt; mnt = __perf_debugfs_mount(mountpoint); return mnt; }