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authorGravatar Craig Tiller <ctiller@google.com>2015-09-16 10:53:15 -0700
committerGravatar Craig Tiller <ctiller@google.com>2015-09-16 10:53:15 -0700
commit5e53ddb3c59d824e042280480e1978b0a58f8675 (patch)
tree2654ac176e59d9fe7619cb28c63b1ffbe980307e /src
parent9ed4be48955e3b65b0540f70060b7191d8c1eef1 (diff)
Add tracing for connect latency
Diffstat (limited to 'src')
-rw-r--r--src/core/iomgr/tcp_client_posix.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/core/iomgr/tcp_client_posix.c b/src/core/iomgr/tcp_client_posix.c
index c3668f6a92..07fa44ad37 100644
--- a/src/core/iomgr/tcp_client_posix.c
+++ b/src/core/iomgr/tcp_client_posix.c
@@ -54,6 +54,8 @@
#include <grpc/support/string_util.h>
#include <grpc/support/time.h>
+extern int grpc_tcp_trace;
+
typedef struct {
void (*cb)(void *arg, grpc_endpoint *tcp);
void *cb_arg;
@@ -92,6 +94,10 @@ error:
static void tc_on_alarm(void *acp, int success) {
int done;
async_connect *ac = acp;
+ if (grpc_tcp_trace) {
+ gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: on_alarm: success=%d", ac->addr_str,
+ success);
+ }
gpr_mu_lock(&ac->mu);
if (ac->fd != NULL) {
grpc_fd_shutdown(ac->fd);
@@ -116,6 +122,11 @@ static void on_writable(void *acp, int success) {
void *cb_arg = ac->cb_arg;
grpc_fd *fd;
+ if (grpc_tcp_trace) {
+ gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: on_writable: success=%d",
+ ac->addr_str, success);
+ }
+
gpr_mu_lock(&ac->mu);
GPR_ASSERT(ac->fd);
fd = ac->fd;
@@ -264,6 +275,11 @@ void grpc_tcp_client_connect(void (*cb)(void *arg, grpc_endpoint *ep),
ac->write_closure.cb = on_writable;
ac->write_closure.cb_arg = ac;
+ if (grpc_tcp_trace) {
+ gpr_log(GPR_DEBUG, "CLIENT_CONNECT: %s: asynchronously connecting",
+ ac->addr_str);
+ }
+
gpr_mu_lock(&ac->mu);
grpc_alarm_init(&ac->alarm,
gpr_convert_clock_type(deadline, GPR_CLOCK_MONOTONIC),