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-rw-r--r--cache-tree.c64
1 files changed, 40 insertions, 24 deletions
diff --git a/cache-tree.c b/cache-tree.c
index a537a806c1..2fb483d3c0 100644
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -45,7 +45,7 @@ static int subtree_name_cmp(const char *one, int onelen,
return memcmp(one, two, onelen);
}
-static int subtree_pos(struct cache_tree *it, const char *path, int pathlen)
+int cache_tree_subtree_pos(struct cache_tree *it, const char *path, int pathlen)
{
struct cache_tree_sub **down = it->down;
int lo, hi;
@@ -72,7 +72,7 @@ static struct cache_tree_sub *find_subtree(struct cache_tree *it,
int create)
{
struct cache_tree_sub *down;
- int pos = subtree_pos(it, path, pathlen);
+ int pos = cache_tree_subtree_pos(it, path, pathlen);
if (0 <= pos)
return it->down[pos];
if (!create)
@@ -123,7 +123,7 @@ static int do_invalidate_path(struct cache_tree *it, const char *path)
it->entry_count = -1;
if (!*slash) {
int pos;
- pos = subtree_pos(it, path, namelen);
+ pos = cache_tree_subtree_pos(it, path, namelen);
if (0 <= pos) {
cache_tree_free(&it->down[pos]->cache_tree);
free(it->down[pos]);
@@ -151,16 +151,15 @@ void cache_tree_invalidate_path(struct index_state *istate, const char *path)
istate->cache_changed |= CACHE_TREE_CHANGED;
}
-static int verify_cache(struct cache_entry **cache,
- int entries, int flags)
+static int verify_cache(struct index_state *istate, int flags)
{
- int i, funny;
+ unsigned i, funny;
int silent = flags & WRITE_TREE_SILENT;
/* Verify that the tree is merged */
funny = 0;
- for (i = 0; i < entries; i++) {
- const struct cache_entry *ce = cache[i];
+ for (i = 0; i < istate->cache_nr; i++) {
+ const struct cache_entry *ce = istate->cache[i];
if (ce_stage(ce)) {
if (silent)
return -1;
@@ -180,17 +179,19 @@ static int verify_cache(struct cache_entry **cache,
* stage 0 entries.
*/
funny = 0;
- for (i = 0; i < entries - 1; i++) {
+ for (i = 0; i + 1 < istate->cache_nr; i++) {
/* path/file always comes after path because of the way
* the cache is sorted. Also path can appear only once,
* which means conflicting one would immediately follow.
*/
- const char *this_name = cache[i]->name;
- const char *next_name = cache[i+1]->name;
- int this_len = strlen(this_name);
- if (this_len < strlen(next_name) &&
- strncmp(this_name, next_name, this_len) == 0 &&
- next_name[this_len] == '/') {
+ const struct cache_entry *this_ce = istate->cache[i];
+ const struct cache_entry *next_ce = istate->cache[i + 1];
+ const char *this_name = this_ce->name;
+ const char *next_name = next_ce->name;
+ int this_len = ce_namelen(this_ce);
+ if (this_len < ce_namelen(next_ce) &&
+ next_name[this_len] == '/' &&
+ strncmp(this_name, next_name, this_len) == 0) {
if (10 < ++funny) {
fprintf(stderr, "...\n");
break;
@@ -434,15 +435,21 @@ static int update_one(struct cache_tree *it,
int cache_tree_update(struct index_state *istate, int flags)
{
- struct cache_tree *it = istate->cache_tree;
- struct cache_entry **cache = istate->cache;
- int entries = istate->cache_nr;
- int skip, i = verify_cache(cache, entries, flags);
+ int skip, i;
+
+ i = verify_cache(istate, flags);
if (i)
return i;
+
+ if (!istate->cache_tree)
+ istate->cache_tree = cache_tree();
+
trace_performance_enter();
- i = update_one(it, cache, entries, "", 0, &skip, flags);
+ trace2_region_enter("cache_tree", "update", the_repository);
+ i = update_one(istate->cache_tree, istate->cache, istate->cache_nr,
+ "", 0, &skip, flags);
+ trace2_region_leave("cache_tree", "update", the_repository);
trace_performance_leave("cache_tree_update");
if (i < 0)
return i;
@@ -492,7 +499,9 @@ static void write_one(struct strbuf *buffer, struct cache_tree *it,
void cache_tree_write(struct strbuf *sb, struct cache_tree *root)
{
+ trace2_region_enter("cache_tree", "write", the_repository);
write_one(sb, root, "", 0);
+ trace2_region_leave("cache_tree", "write", the_repository);
}
static struct cache_tree *read_one(const char **buffer, unsigned long *size_p)
@@ -581,9 +590,16 @@ static struct cache_tree *read_one(const char **buffer, unsigned long *size_p)
struct cache_tree *cache_tree_read(const char *buffer, unsigned long size)
{
+ struct cache_tree *result;
+
if (buffer[0])
return NULL; /* not the whole tree */
- return read_one(&buffer, &size);
+
+ trace2_region_enter("cache_tree", "read", the_repository);
+ result = read_one(&buffer, &size);
+ trace2_region_leave("cache_tree", "read", the_repository);
+
+ return result;
}
static struct cache_tree *cache_tree_find(struct cache_tree *it, const char *path)
@@ -622,9 +638,6 @@ static int write_index_as_tree_internal(struct object_id *oid,
cache_tree_valid = 0;
}
- if (!index_state->cache_tree)
- index_state->cache_tree = cache_tree();
-
if (!cache_tree_valid && cache_tree_update(index_state, flags) < 0)
return WRITE_TREE_UNMERGED_INDEX;
@@ -733,10 +746,13 @@ void prime_cache_tree(struct repository *r,
struct index_state *istate,
struct tree *tree)
{
+ trace2_region_enter("cache-tree", "prime_cache_tree", the_repository);
cache_tree_free(&istate->cache_tree);
istate->cache_tree = cache_tree();
+
prime_cache_tree_rec(r, istate->cache_tree, tree);
istate->cache_changed |= CACHE_TREE_CHANGED;
+ trace2_region_leave("cache-tree", "prime_cache_tree", the_repository);
}
/*