untracked cache: print stats with $GIT_TRACE_UNTRACKED_STATS

This could be used to verify correct behavior in tests

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/dir.c b/dir.c
index 741484aa975348e71cb908a1ed775b53ace90512..1cf1e3002ebef7cd0eec5f8a7409f4eda501e83a 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -1923,6 +1923,18 @@ int read_directory(struct dir_struct *dir, const char *path, int len, const stru
        free_simplify(simplify);
        qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
        qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name);
        free_simplify(simplify);
        qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
        qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name);

+       if (dir->untracked) {
+               static struct trace_key trace_untracked_stats = TRACE_KEY_INIT(UNTRACKED_STATS);
+               trace_printf_key(&trace_untracked_stats,
+                                "node creation: %u\n"
+                                "gitignore invalidation: %u\n"
+                                "directory invalidation: %u\n"
+                                "opendir: %u\n",
+                                dir->untracked->dir_created,
+                                dir->untracked->gitignore_invalidated,
+                                dir->untracked->dir_invalidated,
+                                dir->untracked->dir_opened);
+       }

        return dir->nr;
 }
 
        return dir->nr;
 }