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121 lines
3.3 KiB
121 lines
3.3 KiB
#!/bin/sh
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# Copyright (C) 2014 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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# acov is a tool for gathering coverage information from a device and generating
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# a report from that information. To use:
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#
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# 1. sudo apt-get install lcov
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# 2. Build application/library with coverage information.
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# * make NATIVE_COVERAGE=true NATIVE_COVERAGE_PATHS='*'
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# 3. Push the new binaries to the device with adb sync.
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# (Optional): Run `acov --clean-device`. This will reset coverage for everything
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# on the device.
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# 4. Run tests.
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# (Optional): Run `acov --flush`. This will dump coverage from all processes
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# running on the device.
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# 5. Run `acov`.
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#
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# acov will pull all coverage information from the device, push it to the right
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# directories, run lcov, and display the coverage report (currently by opening
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# it in your browser).
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#
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if [ "$CLANG_COVERAGE" == "true" ]; then
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echo "CLANG_COVERAGE is set. Use development/scripts/acov-llvm.py instead."
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exit 0
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fi
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ANDROID_OUT=${OUT_DIR:-out}
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FLUSH_SLEEP=${FLUSH_SLEEP:-60}
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function clearGcdaFiles() {
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if [ -d "$ANDROID_OUT" ]; then
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find $ANDROID_OUT -name '*.gcda' -delete
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fi
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}
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function clearGcnoFiles() {
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if [ -d "$ANDROID_OUT" ]; then
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find $ANDROID_OUT -name '*.gcno' -delete
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fi
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}
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if [ "$1" = "--clean" ]; then
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echo "Clearing gcda and gcno files from the local build."
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clearGcdaFiles
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clearGcnoFiles
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exit 0
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fi
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if [ "$1" = "--prep" ]; then
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echo "Clearing gcda files from the local build."
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clearGcdaFiles
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exit 0
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fi
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adb root
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if [ "$1" = "--clean-device" ]; then
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echo "Resetting coverage on the device..."
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adb shell kill -37 -1
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echo "Waiting $FLUSH_SLEEP seconds for coverage to be written..."
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sleep $FLUSH_SLEEP
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adb shell rm -rf /data/misc/trace/*
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exit 0
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fi
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if [ "$1" = "--flush" ]; then
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shift
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if [ -z $@ ]; then
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echo "Flushing coverage for all processes on the device..."
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adb shell kill -37 -1
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else
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echo "Flushing coverage for [$@] on the device..."
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adb shell kill -37 $(adb shell pidof $@)
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fi
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echo "Waiting $FLUSH_SLEEP seconds for coverage to be written..."
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sleep $FLUSH_SLEEP
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exit 0
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fi
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which lcov >/dev/null 2>/dev/null
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if [ $? -ne 0 ]; then
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echo 'lcov not found: running `sudo apt-get install lcov`'
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sudo apt-get install lcov
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fi
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cd $ANDROID_BUILD_TOP
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DIR=$(mktemp -d covreport-XXXXXX)
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# Build a coverage report for each euid that has reported coverage.
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COVERAGE_REPORTS=
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for USER_ID in $(adb shell ls /data/misc/trace)
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do
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FILE=cov-$USER_ID.info
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adb shell tar -czf - -C /data/misc/trace/$USER_ID/proc/self/cwd $ANDROID_OUT | tar zxvf -
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lcov -c -d $ANDROID_OUT -o $DIR/$FILE --gcov-tool=llvm-gcov $@
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COVERAGE_REPORTS="-a $DIR/$FILE $COVERAGE_REPORTS"
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clearGcdaFiles
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done
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FILE=merged.info
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lcov $COVERAGE_REPORTS -o $DIR/$FILE
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echo "Generating coverage report at $DIR"
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genhtml -q -o $DIR $DIR/$FILE
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xdg-open $DIR/index.html >/dev/null
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