Add script for generating boot image profile
Usage:
tools/generate-boot-image-profile.sh <filter> <output> [<profman args>]
Example:
tools/generate-boot-image-profile.sh boot.prof profiles/0/*/primary.prof
Bug: 37966211
Test: test-art-host
Change-Id: Ie147a66beaef79e058304f5a4ab98eb62da4d365
diff --git a/tools/generate-boot-image-profile.sh b/tools/generate-boot-image-profile.sh
new file mode 100755
index 0000000..d87123a
--- /dev/null
+++ b/tools/generate-boot-image-profile.sh
@@ -0,0 +1,73 @@
+#!/bin/bash
+#
+# Copyright (C) 2017 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.
+
+#
+# This script creates a boot image profile based on input profiles.
+#
+
+if [[ "$#" -lt 2 ]]; then
+ echo "Usage $0 <output> <profman args> <profiles>+"
+ echo "Also outputs <output>.txt and <output>.preloaded-classes"
+ echo 'Example: generate-boot-image-profile.sh boot.prof --profman-arg --boot-image-sampled-method-threshold=1 profiles/0/*/primary.prof'
+ exit 1
+fi
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+TOP="$DIR/../.."
+source "${TOP}/build/envsetup.sh" >&/dev/null # import get_build_var
+
+OUT_PROFILE=$1
+shift
+
+# Read the profman args.
+profman_args=()
+while [[ "$#" -ge 2 ]] && [[ "$1" = '--profman-arg' ]]; do
+ profman_args+=("$2")
+ shift 2
+done
+
+# Remaining args are all the profiles.
+for file in "$@"; do
+ if [[ -s $file ]]; then
+ profman_args+=("--profile-file=$file")
+ fi
+done
+
+jar_args=()
+boot_jars=$("$ANDROID_BUILD_TOP"/art/tools/bootjars.sh --target)
+jar_dir=$ANDROID_BUILD_TOP/$(get_build_var TARGET_OUT_JAVA_LIBRARIES)
+for file in $boot_jars; do
+ filename="$jar_dir/$file.jar"
+ jar_args+=("--apk=$filename")
+ jar_args+=("--dex-location=$filename")
+done
+profman_args+=("${jar_args[@]}")
+
+# Generate the profile.
+"$ANDROID_HOST_OUT/bin/profman" --generate-boot-image-profile "--reference-profile-file=$OUT_PROFILE" "${profman_args[@]}"
+
+# Convert it to text.
+echo Dumping profile to $OUT_PROFILE.txt
+"$ANDROID_HOST_OUT/bin/profman" --dump-classes-and-methods "--profile-file=$OUT_PROFILE" "${jar_args[@]}" > "$OUT_PROFILE.txt"
+
+# Generate preloaded classes
+# Filter only classes by using grep -v
+# Remove first and last characters L and ;
+# Replace / with . to make dot format
+grep -v "\\->" "$OUT_PROFILE.txt" | sed 's/.\(.*\)./\1/g' | tr "/" "." > "$OUT_PROFILE.preloaded-classes"
+
+# You may need to filter some classes out since creating threads is not allowed in the zygote.
+# i.e. using: grep -v -E '(android.net.ConnectivityThread\$Singleton)'