tequilaOS/platform_bionic
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Add a script to generate coverage.

Browse source 
1. Prereqs: Coverage-enabled build.
  $ lunch <target>
  $ m NATIVE_COVERAGE_PATHS="bionic" CLANG_COVERAGE=true
  $ m NATIVE_COVERAGE_PATHS="bionic" CLANG_COVERAGE=true bionic-unit-tests
2. Flash image and set $ANDROID_SERIAL
3. $ bionic/build/coverage.sh

HTML report is generated to /tmp/bionic-coverage

Test: build/coverage.sh
Change-Id: I33c7d47d218a68a250076f063cfbdbaab91acc74
This commit is contained in:
Pirama Arumuga Nainar 2020-08-05 15:47:01 -07:00
parent 8035caa311
commit abf40321a1
1 changed files with 47 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

47
build/coverage.sh Normal file
View file

@ -0,0 +1,47 @@
#!/bin/bash
# This script generates coverage for bionic.
#
# Prereqs: Coverage-enabled build.
# $ lunch <target>
# $ m NATIVE_COVERAGE_PATHS="bionic" CLANG_COVERAGE=true
# $ m NATIVE_COVERAGE_PATHS="bionic" CLANG_COVERAGE=true bionic-unit-tests
# Flash image and set $ANDROID_SERIAL
#
# Usage: $ bionic/build/coverage.sh
# Output: HTML report is generated to /tmp/bionic-coverage/html/index.html
#
eval "$(cd ${ANDROID_BUILD_TOP}; build/soong/soong_ui.bash --dumpvars-mode --vars="TARGET_ARCH")"
LLVM_PROFDATA=${ANDROID_BUILD_TOP}/prebuilts/clang/host/linux-x86/llvm-binutils-stable/llvm-profdata
LLVM_COV=${ANDROID_BUILD_TOP}/prebuilts/clang/host/linux-x86/llvm-binutils-stable/llvm-cov
DEVICE_TEST_DIR=/data/local/tmp/bionic-coverage
HOST_PROFDATA_DIR=/tmp/bionic-coverage
# Run bionic-unit-tests
adb shell rm -rf ${DEVICE_TEST_DIR}
adb shell mkdir ${DEVICE_TEST_DIR}
adb push $OUT/data/nativetest/bionic-loader-test-libs ${DEVICE_TEST_DIR}
adb push $OUT/data/nativetest/bionic-unit-tests ${DEVICE_TEST_DIR}
adb shell LLVM_PROFILE_FILE=${DEVICE_TEST_DIR}/profraws/bionic-%p-%m.profraw LD_LIBRARY_PATH=${DEVICE_TEST_DIR}/bionic-loader-test-libs ${DEVICE_TEST_DIR}/bionic-unit-tests/bionic-unit-tests
# Pull coverage files and post-process
rm -rf ${HOST_PROFDATA_DIR}
mkdir ${HOST_PROFDATA_DIR}
adb pull ${DEVICE_TEST_DIR}/profraws ${HOST_PROFDATA_DIR}/profraws
${LLVM_PROFDATA} merge \
--output=${HOST_PROFDATA_DIR}/bionic.profdata \
${HOST_PROFDATA_DIR}/profraws/*.profraw
${LLVM_COV} show \
--instr-profile=${HOST_PROFDATA_DIR}/bionic.profdata \
--format=html \
out/soong/.intermediates/bionic/libc/libc/android_${TARGET_ARCH}_shared_cov/unstripped/libc.so \
--object=out/soong/.intermediates/bionic/tests/bionic-unit-tests/android_${TARGET_ARCH}_cov/unstripped/bionic-unit-tests \
/proc/self/cwd/bionic/libc \
--output-dir=${HOST_PROFDATA_DIR}/html \
--show-region-summary=false