dumpstate: report per-partition MMC performance
Change-Id: If5cabe186d8377056effa1c0672a90e277cd7221
diff --git a/cmds/dumpstate/utils.c b/cmds/dumpstate/utils.c
index cf14c8b..4fc23aa 100644
--- a/cmds/dumpstate/utils.c
+++ b/cmds/dumpstate/utils.c
@@ -326,6 +326,75 @@
return _dump_file_from_fd(title, path, fd);
}
+/* calls skip to gate calling dump_from_fd recursively
+ * in the specified directory. dump_from_fd defaults to
+ * dump_file_from_fd above when set to NULL. skip defaults
+ * to false when set to NULL. dump_from_fd will always be
+ * called with title NULL.
+ */
+int dump_files(const char *title, const char *dir,
+ bool (*skip)(const char *path),
+ int (*dump_from_fd)(const char *title, const char *path, int fd)) {
+ DIR *dirp;
+ struct dirent *d;
+ char *newpath = NULL;
+ char *slash = "/";
+ int fd, retval = 0;
+
+ if (title) {
+ printf("------ %s (%s) ------\n", title, dir);
+ }
+
+ if (dir[strlen(dir) - 1] == '/') {
+ ++slash;
+ }
+ dirp = opendir(dir);
+ if (dirp == NULL) {
+ retval = -errno;
+ fprintf(stderr, "%s: %s\n", dir, strerror(errno));
+ return retval;
+ }
+
+ if (!dump_from_fd) {
+ dump_from_fd = dump_file_from_fd;
+ }
+ for (; ((d = readdir(dirp))); free(newpath), newpath = NULL) {
+ if ((d->d_name[0] == '.')
+ && (((d->d_name[1] == '.') && (d->d_name[2] == '\0'))
+ || (d->d_name[1] == '\0'))) {
+ continue;
+ }
+ asprintf(&newpath, "%s%s%s%s", dir, slash, d->d_name,
+ (d->d_type == DT_DIR) ? "/" : "");
+ if (!newpath) {
+ retval = -errno;
+ continue;
+ }
+ if (skip && (*skip)(newpath)) {
+ continue;
+ }
+ if (d->d_type == DT_DIR) {
+ int ret = dump_files(NULL, newpath, skip, dump_from_fd);
+ if (ret < 0) {
+ retval = ret;
+ }
+ continue;
+ }
+ fd = TEMP_FAILURE_RETRY(open(newpath, O_RDONLY | O_NONBLOCK | O_CLOEXEC));
+ if (fd < 0) {
+ retval = fd;
+ printf("*** %s: %s\n", newpath, strerror(errno));
+ continue;
+ }
+ (*dump_from_fd)(NULL, newpath, fd);
+ }
+ closedir(dirp);
+ if (title) {
+ printf("\n");
+ }
+ return retval;
+}
+
/* fd must have been opened with the flag O_NONBLOCK. With this flag set,
* it's possible to avoid issues where opening the file itself can get
* stuck.