Enable perf stat by default

trunk/conf/full.conf

@@ -449,8 +449,8 @@ rtc_server {
     # default: 127
     padding         127;
     # Whether enable the perf stat at http://localhost:1985/api/v1/perf
-    # default: off
+    # default: on
-    perf_stat       off;
+    perf_stat       on;
 }
 
 vhost rtc.vhost.srs.com {

trunk/src/app/srs_app_config.cpp

@@ -4860,7 +4860,7 @@ int SrsConfig::get_rtc_server_padding()
 
 bool SrsConfig::get_rtc_server_perf_stat()
 {
-    static bool DEFAULT = false;
+    static bool DEFAULT = true;
 
     SrsConfDirective* conf = root->get("rtc_server");
     if (!conf) {
@@ -4872,7 +4872,7 @@ bool SrsConfig::get_rtc_server_perf_stat()
         return DEFAULT;
     }
 
-    return SRS_CONF_PERFER_FALSE(conf->arg0());
+    return SRS_CONF_PERFER_TRUE(conf->arg0());
 }
 
 SrsConfDirective* SrsConfig::get_rtc(string vhost)