diff --git a/trunk/src/app/srs_app_pithy_print.cpp b/trunk/src/app/srs_app_pithy_print.cpp
index cef07f1de..09ae09cf6 100644
--- a/trunk/src/app/srs_app_pithy_print.cpp
+++ b/trunk/src/app/srs_app_pithy_print.cpp
@@ -112,6 +112,8 @@ SrsPithyPrint::SrsPithyPrint(int _stage_id)
 #define SRS_CONSTS_STAGE_EXEC 11
 // for the rtc play
 #define SRS_CONSTS_STAGE_RTC_PLAY 12
+// for the rtc send
+#define SRS_CONSTS_STAGE_RTC_SEND 13
 
 SrsPithyPrint* SrsPithyPrint::create_rtmp_play()
 {
@@ -173,6 +175,11 @@ SrsPithyPrint* SrsPithyPrint::create_rtc_play()
     return new SrsPithyPrint(SRS_CONSTS_STAGE_RTC_PLAY);
 }
 
+SrsPithyPrint* SrsPithyPrint::create_rtc_send()
+{
+    return new SrsPithyPrint(SRS_CONSTS_STAGE_RTC_SEND);
+}
+
 SrsPithyPrint::~SrsPithyPrint()
 {
     leave_stage();
diff --git a/trunk/src/app/srs_app_pithy_print.hpp b/trunk/src/app/srs_app_pithy_print.hpp
index c3b9f1219..77993b047 100644
--- a/trunk/src/app/srs_app_pithy_print.hpp
+++ b/trunk/src/app/srs_app_pithy_print.hpp
@@ -88,6 +88,7 @@ public:
     static SrsPithyPrint* create_http_stream();
     static SrsPithyPrint* create_http_stream_cache();
     static SrsPithyPrint* create_rtc_play();
+    static SrsPithyPrint* create_rtc_send();
     virtual ~SrsPithyPrint();
 private:
     // Enter the specified stage, return the client id.
diff --git a/trunk/src/app/srs_app_rtc_conn.cpp b/trunk/src/app/srs_app_rtc_conn.cpp
index 386ebab65..ec4a5c501 100644
--- a/trunk/src/app/srs_app_rtc_conn.cpp
+++ b/trunk/src/app/srs_app_rtc_conn.cpp
@@ -1398,12 +1398,12 @@ srs_error_t SrsRtcServer::cycle()
 {
     srs_error_t err = srs_success;
 
-    // TODO: FIXME: Use pithy print.
-    uint32_t cnt = 1;
     uint64_t nn_msgs = 0;
-
     SrsStatistic* stat = SrsStatistic::instance();
 
+    SrsPithyPrint* pprint = SrsPithyPrint::create_rtc_send();
+    SrsAutoFree(SrsPithyPrint, pprint);
+
     // TODO: FIXME: Support reload.
     int max_sendmmsg = _srs_config->get_rtc_server_sendmmsg();
 
@@ -1439,8 +1439,8 @@ srs_error_t SrsRtcServer::cycle()
         // Increase total messages.
         nn_msgs += pos;
 
-        // TODO: FIXME: Use pithy print.
-        if ((cnt++ % 100) == 0) {
+        pprint->elapse();
+        if (pprint->can_print()) {
             // TODO: FIXME: Support reload.
             max_sendmmsg = _srs_config->get_rtc_server_sendmmsg();
             srs_trace("-> RTC SEND %d by sendmmsg %d, total %" PRId64 " msgs", pos, max_sendmmsg, nn_msgs);