fetch: add trace2 instrumentation
Add trace2 regions to fetch-pack.c and builtins/fetch.c to better track
time spent in the various phases of a fetch:
* listing refs
* negotiation for protocol versions v0-v2
* fetching refs
* consuming refs
Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 67c0eb8..ee3dc08 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -1071,8 +1071,11 @@ static int check_exist_and_connected(struct ref *ref_map)
static int fetch_refs(struct transport *transport, struct ref *ref_map)
{
int ret = check_exist_and_connected(ref_map);
- if (ret)
+ if (ret) {
+ trace2_region_enter("fetch", "fetch_refs", the_repository);
ret = transport_fetch_refs(transport, ref_map);
+ trace2_region_leave("fetch", "fetch_refs", the_repository);
+ }
if (!ret)
/*
* Keep the new pack's ".keep" file around to allow the caller
@@ -1088,11 +1091,14 @@ static int consume_refs(struct transport *transport, struct ref *ref_map)
{
int connectivity_checked = transport->smart_options
? transport->smart_options->connectivity_checked : 0;
- int ret = store_updated_refs(transport->url,
- transport->remote->name,
- connectivity_checked,
- ref_map);
+ int ret;
+ trace2_region_enter("fetch", "consume_refs", the_repository);
+ ret = store_updated_refs(transport->url,
+ transport->remote->name,
+ connectivity_checked,
+ ref_map);
transport_unlock_pack(transport);
+ trace2_region_leave("fetch", "consume_refs", the_repository);
return ret;
}
@@ -1337,9 +1343,11 @@ static int do_fetch(struct transport *transport,
argv_array_push(&ref_prefixes, "refs/tags/");
}
- if (must_list_refs)
+ if (must_list_refs) {
+ trace2_region_enter("fetch", "remote_refs", the_repository);
remote_refs = transport_get_remote_refs(transport, &ref_prefixes);
- else
+ trace2_region_leave("fetch", "remote_refs", the_repository);
+ } else
remote_refs = NULL;
argv_array_clear(&ref_prefixes);
