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[v3,6/9] name-hash: use trace2 regions for init

Message ID 9b545d7dbecc6f071e58787e9d4339f59ac4e972.1611431900.git.gitgitgadget@gmail.com (mailing list archive)
State New
Headers show
Series More index cleanups | expand

Commit Message

Derrick Stolee Jan. 23, 2021, 7:58 p.m. UTC
From: Derrick Stolee <dstolee@microsoft.com>

The lazy_init_name_hash() populates a hashset with all filenames and
another with all directories represented in the index. This is run only
if we need to use the hashsets to check for existence or case-folding
renames.

Place trace2 regions where there is already a performance trace.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
---
 name-hash.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/name-hash.c b/name-hash.c
index 5d3c7b12c18..4e03fac9bb1 100644
--- a/name-hash.c
+++ b/name-hash.c
@@ -7,6 +7,7 @@ 
  */
 #include "cache.h"
 #include "thread-utils.h"
+#include "trace2.h"
 
 struct dir_entry {
 	struct hashmap_entry ent;
@@ -577,6 +578,7 @@  static void lazy_init_name_hash(struct index_state *istate)
 	if (istate->name_hash_initialized)
 		return;
 	trace_performance_enter();
+	trace2_region_enter("index", "name-hash-init", istate->repo);
 	hashmap_init(&istate->name_hash, cache_entry_cmp, NULL, istate->cache_nr);
 	hashmap_init(&istate->dir_hash, dir_entry_cmp, NULL, istate->cache_nr);
 
@@ -597,6 +599,7 @@  static void lazy_init_name_hash(struct index_state *istate)
 	}
 
 	istate->name_hash_initialized = 1;
+	trace2_region_leave("index", "name-hash-init", istate->repo);
 	trace_performance_leave("initialize name hash");
 }