108 lines
2.1 KiB
Bash
Executable File
108 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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# build id cache operations
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# SPDX-License-Identifier: GPL-2.0
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# skip if there's no readelf
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if ! [ -x "$(command -v readelf)" ]; then
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echo "failed: no readelf, install binutils"
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exit 2
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fi
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# skip if there's no compiler
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if ! [ -x "$(command -v cc)" ]; then
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echo "failed: no compiler, install gcc"
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exit 2
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fi
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ex_md5=$(mktemp /tmp/perf.ex.MD5.XXX)
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ex_sha1=$(mktemp /tmp/perf.ex.SHA1.XXX)
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echo 'int main(void) { return 0; }' | cc -Wl,--build-id=sha1 -o ${ex_sha1} -x c -
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echo 'int main(void) { return 0; }' | cc -Wl,--build-id=md5 -o ${ex_md5} -x c -
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echo "test binaries: ${ex_sha1} ${ex_md5}"
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check()
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{
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id=`readelf -n ${1} 2>/dev/null | grep 'Build ID' | awk '{print $3}'`
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echo "build id: ${id}"
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link=${build_id_dir}/.build-id/${id:0:2}/${id:2}
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echo "link: ${link}"
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if [ ! -h $link ]; then
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echo "failed: link ${link} does not exist"
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exit 1
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fi
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file=${build_id_dir}/.build-id/${id:0:2}/`readlink ${link}`/elf
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echo "file: ${file}"
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if [ ! -x $file ]; then
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echo "failed: file ${file} does not exist"
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exit 1
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fi
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diff ${file} ${1}
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if [ $? -ne 0 ]; then
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echo "failed: ${file} do not match"
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exit 1
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fi
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${perf} buildid-cache -l | grep $id
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if [ $? -ne 0 ]; then
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echo "failed: ${id} is not reported by \"perf buildid-cache -l\""
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exit 1
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fi
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echo "OK for ${1}"
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}
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test_add()
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{
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build_id_dir=$(mktemp -d /tmp/perf.debug.XXX)
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perf="perf --buildid-dir ${build_id_dir}"
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${perf} buildid-cache -v -a ${1}
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if [ $? -ne 0 ]; then
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echo "failed: add ${1} to build id cache"
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exit 1
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fi
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check ${1}
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rm -rf ${build_id_dir}
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}
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test_record()
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{
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data=$(mktemp /tmp/perf.data.XXX)
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build_id_dir=$(mktemp -d /tmp/perf.debug.XXX)
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perf="perf --buildid-dir ${build_id_dir}"
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${perf} record --buildid-all -o ${data} ${1}
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if [ $? -ne 0 ]; then
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echo "failed: record ${1}"
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exit 1
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fi
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check ${1}
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rm -rf ${build_id_dir}
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rm -rf ${data}
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}
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# add binaries manual via perf buildid-cache -a
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test_add ${ex_sha1}
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test_add ${ex_md5}
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# add binaries via perf record post processing
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test_record ${ex_sha1}
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test_record ${ex_md5}
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# cleanup
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rm ${ex_sha1} ${ex_md5}
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exit ${err}
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