[PATCH 15/24] untracked cache: print stats with $GIT_TRACE_UNTRACKED_STATS

[Nguyễn Thái Ngọc Duy]

This could be used to verify correct behavior in tests

Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
Signed-off-by: Junio C Hamano <gits...@pobox.com>
---
 dir.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/dir.c b/dir.c
index 439ff22..c5ca5ce 100644
--- a/dir.c
+++ b/dir.c
@@ -1922,6 +1922,18 @@ 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);
+       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;
 }
 
-- 
2.3.0.rc1.137.g477eb31

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