Use frame pointer
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/Makefile b/Makefile
index c95c3dc..8e439e6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
CC = gcc
DEBUGFLAGS = -D_FORTIFY_SOURCE=2 -DFIO_INC_DEBUG
OPTFLAGS= -O2 -g $(EXTFLAGS)
-CFLAGS = -Wwrite-strings -Wall -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 $(OPTFLAGS) $(DEBUGFLAGS) -rdynamic
+CFLAGS = -Wwrite-strings -Wall -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 $(OPTFLAGS) $(DEBUGFLAGS) -fno-omit-frame-pointer -rdynamic
PROGS = fio
SCRIPTS = fio_generate_plots
OBJS = gettime.o fio.o ioengines.o init.o stat.o log.o time.o filesetup.o \