diff --git a/trunk/auto/depends.sh b/trunk/auto/depends.sh
index cb8af00c6..b8164d5df 100644
--- a/trunk/auto/depends.sh
+++ b/trunk/auto/depends.sh
@@ -448,3 +448,15 @@ if [ $SRS_GPERF = YES ]; then
     ret=$?; if [[ $ret -ne 0 ]]; then echo "build gperftools-2.1 failed, ret=$ret"; exit $ret; fi
     if [ ! -f ${SRS_OBJS}/gperf/bin/pprof ]; then echo "build gperftools-2.1 failed."; exit -1; fi
 fi
+
+if [ $SRS_GPERF = YES ]; then
+    echo "#define SRS_GPERF" >> $SRS_AUTO_HEADERS_H
+    #echo "#define SRS_GPERF_CPU_PROFILE" >> $SRS_AUTO_HEADERS_H
+    #echo "#define SRS_GPERF_HEAP_PROFILE" >> $SRS_AUTO_HEADERS_H
+    echo "#define SRS_GPERF_HEAP_CHECK" >> $SRS_AUTO_HEADERS_H
+else
+    echo "#undef SRS_GPERF" >> $SRS_AUTO_HEADERS_H
+    echo "#undef SRS_GPERF_CPU_PROFILE" >> $SRS_AUTO_HEADERS_H
+    echo "#undef SRS_GPERF_HEAP_PROFILE" >> $SRS_AUTO_HEADERS_H
+    echo "#undef SRS_GPERF_HEAP_CHECK" >> $SRS_AUTO_HEADERS_H
+fi
diff --git a/trunk/configure b/trunk/configure
index bdf2f5287..392020251 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -138,8 +138,6 @@ END
 
 #####################################################################################
 # build tools or compiler args.
-# the performance analysis, uncomments the following when use gperf to analysis the performance. see third-party/readme.txt
-Performance="-pg"
 # enable gdb debug
 GDBDebug="-g -O0"
 # the warning level.
@@ -150,7 +148,7 @@ CppStd="-ansi"
 LibraryCompile="-fPIC"
 # the cxx flag generated.
 CXXFLAGS="${CppStd} ${WarnLevel} ${GDBDebug} ${LibraryCompile}"
-#CXXFLAGS="${CppStd} ${WarnLevel} ${GDBDebug} ${Performance}"
+if [ $SRS_GPERF = YES ]; then CXXFLAGS="${CXXFLAGS} -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free"; fi
 cat << END > ${SRS_OBJS}/${SRS_MAKEFILE}
 CC ?= gcc
 GCC ?= gcc
@@ -178,6 +176,9 @@ if [ $SRS_HTTP = YES ]; then LibHttpParserRoot="${SRS_OBJS}/hp"; LibHttpParserfi
 # openssl-1.0.1f, for the RTMP complex handshake.
 LibSSLRoot="";LibSSLfile=""
 if [ $SRS_SSL = YES ]; then LibSSLRoot="${SRS_OBJS}/openssl/include"; LibSSLfile="${SRS_OBJS}/openssl/lib/libssl.a ${SRS_OBJS}/openssl/lib/libcrypto.a"; fi
+# gperftools-2.1, for mem check and mem/cpu profile
+LibGperfRoot=""; LibGperfFile=""
+if [ $SRS_GPERF = YES ]; then LibGperfRoot="${SRS_OBJS}/gperf/include"; LibGperfFile="${SRS_OBJS}/gperf/lib/libtcmalloc_and_profiler.a"; fi
 
 #####################################################################################
 # Modules, compile each module, then link to binary
@@ -229,7 +230,7 @@ LIBS_OBJS="${MODULE_OBJS[@]}"
 #Main Module
 MODULE_ID="MAIN" 
 MODULE_DEPENDS=("CORE" "KERNEL" "RTMP" "APP")
-ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS})
+ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS} ${LibGperfRoot})
 MODULE_FILES=("srs_main_server" "srs_main_bandcheck")
 MAIN_INCS="src/main"; MODULE_DIR=${MAIN_INCS} . auto/modules.sh
 MAIN_OBJS="${MODULE_OBJS[@]}"
@@ -242,10 +243,11 @@ MAIN_OBJS="${MODULE_OBJS[@]}"
 MAIN_ENTRANCES=("srs_main_server" "srs_main_bandcheck")
 # 
 # all depends libraries
-ModuleLibFiles=(${LibSTfile} ${LibHttpParserfile} ${LibSSLfile})
+ModuleLibFiles=(${LibSTfile} ${LibHttpParserfile} ${LibSSLfile} ${LibGperfFile})
 # all depends objects
 MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${RTMP_OBJS[@]} ${APP_OBJS[@]} ${MAIN_OBJS[@]}"
 LINK_OPTIONS="-ldl"
+if [ $SRS_GPERF = YES ]; then LINK_OPTIONS="${LINK_OPTIONS} -lpthread"; fi
 #
 # srs:
 # srs(simple rtmp server) over st(state-threads)
@@ -335,4 +337,8 @@ fi
 if [ $SRS_HTTP = YES ]; then
     echo -e "\" python ./research/api-server/server.py 8085  \" to start the api-server"
 fi
-echo "\" ./objs/srs -c conf/srs.conf \" to start the srs live server"
+if [ $SRS_GPERF = YES ]; then
+    echo "\" env HEAPCHECK=normal ./objs/srs -c conf/srs.conf \" to start the srs live server"
+else
+    echo "\" ./objs/srs -c conf/srs.conf \" to start the srs live server"
+fi
diff --git a/trunk/research/gperftools/cpu-profiler/Makefile b/trunk/research/gperftools/cpu-profiler/Makefile
old mode 100755
new mode 100644
index ea52b3126..15c7e8699
--- a/trunk/research/gperftools/cpu-profiler/Makefile
+++ b/trunk/research/gperftools/cpu-profiler/Makefile
@@ -7,4 +7,4 @@ cpu_profiler: cpu_profiler.cc Makefile
         -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free \
         -I../../../objs/gperf/include ../../../objs/gperf/lib/libtcmalloc_and_profiler.a -lpthread
 clean:
-	rm -f cpu_profiler ./srs.conf*
+	rm -f cpu_profiler ./srs.prof*
diff --git a/trunk/research/gperftools/cpu-profiler/cpu_profiler.cc b/trunk/research/gperftools/cpu-profiler/cpu_profiler.cc
index 62b60e3c3..de8c7c059 100644
--- a/trunk/research/gperftools/cpu-profiler/cpu_profiler.cc
+++ b/trunk/research/gperftools/cpu-profiler/cpu_profiler.cc
@@ -26,11 +26,11 @@ config srs with gperf(to make gperftools):
 set the pprof path if not set:
     export PPROF_PATH=`pwd`/../../../objs/pprof
 to do cpu profile:
-    make && rm -f ./srs.conf* && env CPUPROFILE=./srs.conf ./cpu_profiler
-    $PPROF_PATH --text cpu_profiler ./srs.conf*
+    make && rm -f ./srs.prof* && env CPUPROFILE=./srs.prof ./cpu_profiler
+    $PPROF_PATH --text cpu_profiler ./srs.prof*
 to do cpu profile by signal:
-    make && rm -f ./srs.conf* && env CPUPROFILE=./srs.conf CPUPROFILESIGNAL=12 ./cpu_profiler
-    $PPROF_PATH --text cpu_profiler ./srs.conf*
+    make && rm -f ./srs.prof* && env CPUPROFILE=./srs.prof CPUPROFILESIGNAL=12 ./cpu_profiler
+    $PPROF_PATH --text cpu_profiler ./srs.prof*
 */
 #include <stdio.h>
 #include <unistd.h>
diff --git a/trunk/src/app/srs_app_server.cpp b/trunk/src/app/srs_app_server.cpp
index 6b002ff74..d2f450eb2 100644
--- a/trunk/src/app/srs_app_server.cpp
+++ b/trunk/src/app/srs_app_server.cpp
@@ -233,6 +233,14 @@ int SrsServer::cycle()
 		srs_update_system_time_ms();
 		
 		if (signal_reload) {
+// for gperf heap checker,
+// @see: research/gperftools/heap-checker/heap_checker.cc
+// if user interrupt the program, exit to check mem leak.
+// but, if gperf, use reload to terminate the server,
+// for the SIGINT will cause core-dump.
+#ifdef SRS_GPERF
+			break;
+#endif
 			signal_reload = false;
 			srs_info("get signal reload, to reload the config.");
 			
diff --git a/trunk/src/main/srs_main_server.cpp b/trunk/src/main/srs_main_server.cpp
index 2b9f90a3c..c661a86ed 100644
--- a/trunk/src/main/srs_main_server.cpp
+++ b/trunk/src/main/srs_main_server.cpp
@@ -37,6 +37,13 @@ SrsServer* _srs_server = new SrsServer();
 #include <stdlib.h>
 #include <signal.h>
 
+#ifdef SRS_GPERF_HEAP_PROFILE
+	#include <gperftools/heap-profiler.h>
+#endif
+#ifdef SRS_GPERF_CPU_PROFILE
+	#include <gperftools/profiler.h>
+#endif
+
 void handler(int signo)
 {
 	srs_trace("get a signal, signo=%d", signo);
@@ -47,6 +54,17 @@ int main(int argc, char** argv)
 {
 	int ret = ERROR_SUCCESS;
 	
+#ifdef SRS_GPERF_HEAP_CHECK
+	// env HEAPCHECK=normal ./objs/srs -c srs.conf
+#endif
+
+#ifdef SRS_GPERF_HEAP_PROFILE
+    HeapProfilerStart("gperf.srs");
+#endif
+#ifdef SRS_GPERF_CPU_PROFILE
+    ProfilerStart("gperf.srs.prof");
+#endif
+	
 	signal(SIGNAL_RELOAD, handler);
 	
 	if ((ret = _srs_config->parse_options(argc, argv)) != ERROR_SUCCESS) {