spdk: add the ioat_kperf test tool to autobuild system

Change-Id: If45a7fd3d6d3a7a52e71595de32ea4cf04e23d36
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>

autobuild.sh

@@ -17,6 +17,10 @@ timing_enter check_format
 ./scripts/check_format.sh
 timing_exit check_format
 
+timing_enter build_kmod
+./scripts/build_kmod.sh build
+timing_exit build_kmod
+
 scanbuild=''
 if hash scan-build; then
 	scanbuild="scan-build -o $out/scan-build-tmp --status-bugs"

autotest.sh

@@ -53,6 +53,7 @@ time test/lib/ioat/ioat.sh
 timing_exit lib
 
 ./scripts/cleanup.sh
+./scripts/build_kmod.sh clean
 
 timing_exit autotest
 chmod a+r $output_dir/timing.txt

examples/ioat/kperf/README

@@ -16,7 +16,7 @@ Building & Usage
 1. Compile and load the kernel test module first.
 
     modprobe -v ioatdma
-    cd kmod && make && insmod dmaperf.ko
+    ./scripts/build_kmod.sh build && insmod dmaperf.ko
 
 2. Run the test application.
 
@@ -37,6 +37,9 @@ Building & Usage
     Channel 3 Performance Data 1415 MB/s
     Total Channel Performance Data 5655 MB/s
 
+3. Cleanup
+    ./scripts/build_kmod.sh clean
+
 OS Support
 ==========
 We have tested several Linux distributions, currently Fedora 21/22 with kernel

scripts/build_kmod.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+readonly BASEDIR=$(readlink -f $(dirname $0))/..
+
+set -e
+
+function build_ioat_kmod() {
+	if [ -d $BASEDIR/examples/ioat/kperf/kmod ]; then
+		echo "Build Linux Ioat Test Module ..."
+		cd $BASEDIR/examples/ioat/kperf/kmod
+		make
+	fi
+}
+
+function clean_ioat_kmod() {
+	# remove dmaperf test module
+	grep -q "^dmaperf" /proc/modules && rmmod dmaperf
+	# cleanup build
+	if [ -d $BASEDIR/examples/ioat/kperf/kmod ]; then
+		echo "Cleanup Linux Ioat Test Module ..."
+		cd $BASEDIR/examples/ioat/kperf/kmod
+		make clean
+	fi
+}
+
+if [ `uname` = Linux ]; then
+	if [ "$1" = "build" ]; then
+		build_ioat_kmod
+	fi
+	if [ "$1" = "clean" ]; then
+		clean_ioat_kmod
+	fi
+fi