cache-tree: use trace2 in cache_tree_update()

This matches a trace_performance_enter()/trace_performance_leave() pair added by 0d1ed59 (unpack-trees: add performance tracing, 2018-08-18). Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Derrick Stolee committed Jan 4, 2021 at 03:09 UTC fa7ca5d4fe0be77329249954a42a0d1bed5a5aa8
1 file changed +2
cache-tree.c
+2
@@ -442,7 +442,9 @@ int cache_tree_update(struct index_state *istate, int flags)
442 if (i)
443 return i;
444 trace_performance_enter();
445 + trace2_region_enter("cache_tree", "update", the_repository);
446 i = update_one(it, cache, entries, "", 0, &skip, flags);
447 + trace2_region_leave("cache_tree", "update", the_repository);
448 trace_performance_leave("cache_tree_update");
449 if (i < 0)
450 return i;