diff --git a/Makefile b/Makefile
index 9436664..0eca789 100644
--- a/Makefile
+++ b/Makefile
@@ -21,14 +21,14 @@ endif
 
 # set up cflags and libs
 
-CFLAGS := -D_FILE_OFFSET_BITS=64
+CFLAGS := -D_FILE_OFFSET_BITS=64 -g
 LDFLAGS :=
 
 CFLAGS += $(shell pkg-config --cflags $(PACKAGE_NAMES))
 LDFLAGS += $(shell pkg-config --libs $(PACKAGE_NAMES))
 
 ifeq ($(DEBUG),1)
-	CFLAGS += -O0 -pedantic -g -Wall -Wextra -Wcast-align \
+	CFLAGS += -O0 -pedantic -Wall -Wextra -Wcast-align \
 						-Wcast-qual -Wdisabled-optimization -Wformat=2 \
 						-Winit-self -Wlogical-op -Wmissing-declarations \
 						-Wmissing-include-dirs -Wredundant-decls -Wshadow \
diff --git a/test/mock/zenity b/test/mock/zenity
index 769de25..e89173c 100755
--- a/test/mock/zenity
+++ b/test/mock/zenity
@@ -12,10 +12,17 @@ else
     if [[ $FAKE_ZENITY_RESPONSE == "yes_tmp" ]]; then
       printf "Allow this time\n"
       exit 1
+    elif [[ $FAKE_ZENITY_RESPONSE == "yes_tmp_alt" ]]; then
+      printf "Allow this time\n"
+      echo "yes_alt" >~/.fake_zenity_response
+      exit 1
     elif [[ $FAKE_ZENITY_RESPONSE == "no" ]]; then
       exit 1
     elif [[ $FAKE_ZENITY_RESPONSE == "yes" ]]; then
       exit 0
+    elif [[ $FAKE_ZENITY_RESPONSE == "yes_alt" ]]; then
+      echo "yes_tmp_alt" >~/.fake_zenity_response
+      exit 0
     fi
   fi
 fi
diff --git a/test/test.bash b/test/test.bash
index eeb9782..055113c 100755
--- a/test/test.bash
+++ b/test/test.bash
@@ -25,10 +25,18 @@ if [[ $1 == "--setuid" ]]; then
   echo "Valgrind will not be used due to setuid compatibility issues."
   ../build/icfs -o default_permissions ./protected ./.pt.db &
   sleep 1
+elif [[ $1 == "--perf" ]]; then
+  echo "Profiling with perf..."
+  ../build/icfs -o default_permissions ./protected ./.pt.db &
+  echo "Profiling will require root privilieges."
+  sleep 3
+  echo "Attaching to $(pgrep icfs)"
+  sudo perf record -g -e cycles:u --call-graph dwarf -p $(pgrep icfs) &
+  sleep 10
 else
   echo "Database protection will not be tested due to the lack of setuid capabilites."
   echo "To test it, run this script with '--setuid'."
-  valgrind -s ../build/icfs -o default_permissions ./protected ./.pt.db &
+  valgrind --leak-check=full -s ../build/icfs -o default_permissions ./protected ./.pt.db &
   sleep 5
 fi
 
@@ -126,9 +134,29 @@ else
   echo "[ICFS-TEST]: OK"
 fi
 
+if [[ $1 == "--perf" ]]; then
+  zenity --set-fake-response yes_tmp
+  rm -rf ./protected/*
+  zenity --set-fake-response yes_alt
+  bonnie++ -p 4
+  bonnie++ -d ./protected -c 4 -r 256 -y s >/dev/null &
+  bonnie++ -d ./protected -c 4 -r 256 -y s >/dev/null &
+  bonnie++ -d ./protected -c 4 -r 256 -y s >/dev/null &
+  bonnie++ -d ./protected -c 4 -r 256 -y s >/dev/null
+  bonnie++ -p -1
+fi
+
 # unmount
 
 sleep 0.5
 #lsof +f -- $(realpath ./protected)
 umount $(realpath ./protected)
 sleep 0.5
+
+if [[ $1 == "--perf" ]]; then
+  mv ./callgraph.png ./callgraph_old.png
+  real_user=$USER
+  sudo chown "$real_user" ./perf.data
+  perf script --dsos=icfs | gprof2dot -f perf | dot -Tpng -o callgraph.png
+  echo "Profile graph was written to \"callgraph.png\""
+fi