tests: Add basic stress testing

Duplicate the functionality of vsp-unit-test-0001, to provide a set of
work for the hardware to run, whilst we load the system using the
'stress' utility.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/tests/vsp-unit-test-0021.sh b/tests/vsp-unit-test-0021.sh
new file mode 100755
index 0000000..931f456
--- /dev/null
+++ b/tests/vsp-unit-test-0021.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+#
+# Test active pipeline, with high load on CPU/Memory/IO using 'stress'
+#
+# Test WPF packing in RGB mode. Use a RPF -> WPF pipeline with a fixed ARGB32
+# format on the input and capture output frames in all RGB formats supported
+# by the WPF.
+#
+
+source vsp-lib.sh
+
+features="rpf.0 wpf.0"
+formats="RGB332 ARGB555 XRGB555 RGB565 BGR24 RGB24 ABGR32 ARGB32 XBGR32 XRGB32"
+
+test_wpf_packing() {
+	test_start "WPF packing in $format during stress testing"
+
+	pipe_configure rpf-wpf 0 0
+	format_configure rpf-wpf 0 0 ARGB32 1024x768 $format
+
+	vsp_runner rpf.0 &
+	vsp_runner wpf.0
+
+	local result=$(compare_frames)
+
+	test_complete $result
+}
+
+exists() {
+	type -t "$1" > /dev/null 2>&1
+}
+
+test_main() {
+	local format
+
+	exists stress || {
+		echo "$0: Stress test requires utility 'stress'"
+		return
+	}
+
+	# Start stressing the system, as a background task
+	stress --cpu 8 --io 4 --vm 2 --vm-bytes 128M &
+
+	for format in $formats ; do
+		test_wpf_packing $format
+	done
+
+	# Recover the system. Stress launches multiple PIDs, so it's best to:
+	killall -9 stress
+}
+
+test_init $0 "$features"
+test_run