Add support for loadable profiles

Split the only existing profile, tiobench, into this setup.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/Makefile b/Makefile
index ce63cfc..ce2374b 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@
 OBJS = gettime.o fio.o ioengines.o init.o stat.o log.o time.o filesetup.o \
 	eta.o verify.o memory.o io_u.o parse.o mutex.o options.o \
 	rbtree.o diskutil.o fifo.o blktrace.o smalloc.o filehash.o helpers.o \
-	cgroup.o
+	cgroup.o profile.o
 
 OBJS += crc/crc7.o
 OBJS += crc/crc16.o
@@ -32,6 +32,8 @@
 OBJS += engines/syslet-rw.o
 OBJS += engines/guasi.o
 
+OBJS += profiles/tiobench.o
+
 ifneq ($(findstring $(MAKEFLAGS),s),s)
 ifndef V
 	QUIET_CC	= @echo '   ' CC $@;