diff --git a/.gitignore b/.gitignore
index 6abc0a0..d857140 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.o
 TAGS
 mdriver
+gmon.out
diff --git a/Makefile b/Makefile
index ce27fd2..a8a9e6f 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 # Students' Makefile for the Malloc Lab
 #
 CC = gcc
-CFLAGS = -Wall -O2 -m32 -g03
+CFLAGS = -Wall -O2 -m32 -g03 -pg
 
 OBJS = mdriver.o mm.o memlib.o fsecs.o fcyc.o clock.o ftimer.o