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>

diff --git a/cache-tree.c b/cache-tree.c
index a537a806c16e0352e4347a6bd9473457c78377bf..9efb67486627fb2ff00b3928cc15fbc5202d0bf0 100644 (file)
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -442,7 +442,9 @@ int cache_tree_update(struct index_state *istate, int flags)
        if (i)
                return i;
        trace_performance_enter();
+       trace2_region_enter("cache_tree", "update", the_repository);
        i = update_one(it, cache, entries, "", 0, &skip, flags);
+       trace2_region_leave("cache_tree", "update", the_repository);
        trace_performance_leave("cache_tree_update");
        if (i < 0)
                return i;