73 lines
2.5 KiB
Bash
Executable file
73 lines
2.5 KiB
Bash
Executable file
#!/bin/bash
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#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# This script creates a boot image profile based on input profiles.
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#
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if [[ "$#" -lt 2 ]]; then
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echo "Usage $0 <output> <profman args> <profiles>+"
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echo "Also outputs <output>.txt and <output>.preloaded-classes"
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echo 'Example: generate-boot-image-profile.sh boot.prof --profman-arg --boot-image-sampled-method-threshold=1 profiles/0/*/primary.prof'
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exit 1
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fi
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DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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TOP="$DIR/../.."
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source "${TOP}/build/envsetup.sh" >&/dev/null # import get_build_var
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OUT_PROFILE=$1
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shift
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# Read the profman args.
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profman_args=()
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while [[ "$#" -ge 2 ]] && [[ "$1" = '--profman-arg' ]]; do
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profman_args+=("$2")
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shift 2
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done
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# Remaining args are all the profiles.
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for file in "$@"; do
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if [[ -s $file ]]; then
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profman_args+=("--profile-file=$file")
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fi
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done
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jar_args=()
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boot_jars=$("$ANDROID_BUILD_TOP"/art/tools/bootjars.sh --target)
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jar_dir=$ANDROID_BUILD_TOP/$(get_build_var TARGET_OUT_JAVA_LIBRARIES)
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for file in $boot_jars; do
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filename="$jar_dir/$file.jar"
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jar_args+=("--apk=$filename")
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jar_args+=("--dex-location=$filename")
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done
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profman_args+=("${jar_args[@]}")
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# Generate the profile.
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"$ANDROID_HOST_OUT/bin/profman" --generate-boot-image-profile "--reference-profile-file=$OUT_PROFILE" "${profman_args[@]}"
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# Convert it to text.
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echo Dumping profile to $OUT_PROFILE.txt
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"$ANDROID_HOST_OUT/bin/profman" --dump-classes-and-methods "--profile-file=$OUT_PROFILE" "${jar_args[@]}" > "$OUT_PROFILE.txt"
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# Generate preloaded classes
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# Filter only classes by using grep -v
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# Remove first and last characters L and ;
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# Replace / with . to make dot format
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grep -v "\\->" "$OUT_PROFILE.txt" | sed 's/.\(.*\)./\1/g' | tr "/" "." > "$OUT_PROFILE.preloaded-classes"
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# You may need to filter some classes out since creating threads is not allowed in the zygote.
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# i.e. using: grep -v -E '(android.net.ConnectivityThread\$Singleton)'
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