Add stress test case and some debug symbols

- A test case run_stress_tests.sh with a larger DTO test case
- A flag to test with enabling valgrind
- A flag to dump dtb when testing
- A flag to disable memory pool machanism

Bug: 62474732
Test: tests/run_stress_tests.sh with enabling flags
Change-Id: Ibe4c3d1098bc732d21218e1bdc01eed49cf9e440

1 files changed, 101 insertions, 0 deletions

diff --git a/tests/run_stress_test.sh b/tests/run_stress_test.sh
new file mode 100755
index 0000000..0caf2b4
--- /dev/null
+++ b/tests/run_stress_test.sh
@@ -0,0 +1,101 @@
+#!/bin/bash
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Include some functions from common.sh.
+SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
+source ${SCRIPT_DIR}/common.sh
+
+OUT_DATA_DIR="test_out"
+
+DEBUG=false
+
+
+apply_overlay() {
+  local overaly="$1"
+  local base_dts="$2"
+  local overlay_dts="$3"
+  local merged_dts="$4"
+
+  ./apply_overlay.sh "--$overaly" "$base_dts" "$overlay_dts" "$merged_dts"
+}
+
+run_stress_test() {
+  # see ufdt_gen_test_dts.c for detail
+  local node_depth="$1"
+  local node_unused="$2"
+  local node_count="$3"
+  local append_count="$4"
+  local override_count="$5"
+
+  mkdir -p "$OUT_DATA_DIR" >& /dev/null
+
+  #
+  # Prepare dtb and dtbo files
+  #
+  local base_dts="${OUT_DATA_DIR}/base.dts"
+  echo "  Base DT: depth=$node_depth unused=$node_unused nodes=$node_count"
+  ufdt_gen_test_dts -n $node_count -d $node_depth -u $node_unused \
+    -o "$base_dts"
+  if $DEBUG; then
+    cat "$base_dts"
+  fi
+
+  local overlay_dts="${OUT_DATA_DIR}/overlay.dts"
+  echo "  Overlay DT: append=$append_count override=$override_count"
+  ufdt_gen_test_dts -p -a $append_count -w $override_count \
+    -o "$overlay_dts"
+  if $DEBUG; then
+    cat "$overlay_dts"
+  fi
+
+  local merged_dts="${OUT_DATA_DIR}/overlay_merged.dts"
+  apply_overlay ufdt $base_dts $overlay_dts $merged_dts
+
+  rm -rf "$OUT_DATA_DIR"
+}
+
+main() {
+  alert "========== Running Stress Tests =========="
+
+  if [ -z "$ANDROID_BUILD_TOP" ]; then
+    die "Run envsetup.sh / lunch yet?"
+  fi
+
+  if ! command_exists ufdt_gen_test_dts ||
+     ! command_exists dtc; then
+    die "Run mmma $(dirname $SCRIPT_DIR) yet?"
+  fi
+
+  (
+
+  # cd to ${SCRIPT_DIR} in a subshell because gen_test.sh uses relative
+  # paths for dependent files.
+  cd "${SCRIPT_DIR}"
+
+  # node_depth      = 2
+  # node_unused     = 0
+  # node_count      = 5000
+  # append_count    = 2500
+  # override_count  = 2500
+  run_stress_test 2 0 5000 2500 2500
+
+  )
+
+  if [ $? -ne 0 ]; then
+    die "Some test cases failed, please check error message..."
+  fi
+}
+
+main "$@"