1#!/bin/bash 2 3# Copyright 2021, VIXL authors 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are met: 8# 9# * Redistributions of source code must retain the above copyright notice, 10# this list of conditions and the following disclaimer. 11# * Redistributions in binary form must reproduce the above copyright notice, 12# this list of conditions and the following disclaimer in the documentation 13# and/or other materials provided with the distribution. 14# * Neither the name of ARM Limited nor the names of its contributors may be 15# used to endorse or promote products derived from this software without 16# specific prior written permission. 17# 18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND 19# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 22# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 25# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29# This code coverage script assumes a Linux-like environment, and has been 30# tested on Ubuntu 18.04. 31 32if ! hash pv 2>/dev/null ; then 33 echo "This script requires 'pv'" 34 echo "On Ubuntu, install it with 'sudo apt-get install pv'" 35 exit 1; 36fi 37 38export CXX=clang++ 39export LLVM_PROFILE_FILE=$(mktemp) 40PROFDATA=$(mktemp) 41BUILDDIR="obj/target_a64/mode_debug/symbols_on/compiler_clang++/std_c++14/simulator_aarch64/negative_testing_off/code_buffer_allocator_mmap" 42RUNNER="$BUILDDIR/test/test-runner" 43 44# Build with code coverage instrumentation enabled. 45scons mode=debug coverage=on target=a64 all -j8 46 47if [ ! -f "$RUNNER" ]; then 48 echo "$RUNNER not found." 49 echo "No test-runner for profiling." 50 exit 1; 51fi 52 53# Count the number of tests. 54tests=`$RUNNER --list | wc -l` 55 56# Generate a raw profile for a run using all tests. 57echo "Running $tests tests. This may take a while..." 58$RUNNER --run-all 2>&1 | grep -P "^Running [A-Z0-9]{3,}_" | pv -lbp -w 40 -s $tests >/dev/null 59 60# Process the raw profile data for reporting. 61llvm-profdata merge -sparse $LLVM_PROFILE_FILE -o $PROFDATA 62 63# Print a coverage report for the source files in src/ 64REPORT="llvm-cov report $RUNNER -instr-profile=$PROFDATA $BUILDDIR/src/" 65eval $REPORT 66 67# Log the report summary line. 68eval $REPORT | tail -n1 | tr -s " " | cut -d" " -f4,7,10 | xargs -i printf "%s %s\n" `date +%s` {} >>tools/code_coverage.log 69 70# Clean up. 71rm -f $LLVM_PROFILE_FILE 72rm -f $PROFDATA 73