41f19708c8
The benchmark creates a set of DSOs that mimic the work involved in loading the current version of libandroid_servers.so. The synthetic benchmark has roughly the same number of libraries with roughly the same relocations. Currently, on a local aosp_walleye build that includes recent performance improvements (including the Neon-based CL I3983bca1dddc9241bb70290ad3651d895f046660), using the "performance" governor, the benchmark reports these scores: $ adb shell taskset 10 \ /data/benchmarktest64/linker-reloc-bench/linker-reloc-bench \ --benchmark_repetitions=20 --benchmark_display_aggregates_only=true ... -------------------------------------------------------------------------------- Benchmark Time CPU Iterations -------------------------------------------------------------------------------- BM_linker_relocation/real_time_mean 70048 us 465 us 20 BM_linker_relocation/real_time_median 70091 us 466 us 20 BM_linker_relocation/real_time_stddev 329 us 8.29 us 20 $ adb shell taskset 10 \ /data/benchmarktest/linker-reloc-bench/linker-reloc-bench \ --benchmark_repetitions=20 --benchmark_display_aggregates_only=true ... -------------------------------------------------------------------------------- Benchmark Time CPU Iterations -------------------------------------------------------------------------------- BM_linker_relocation/real_time_mean 83051 us 462 us 20 BM_linker_relocation/real_time_median 83069 us 464 us 20 BM_linker_relocation/real_time_stddev 184 us 8.91 us 20 Test: manual Bug: none Change-Id: I6dac66978f8666f95c76387093bda6be0151bfce
83 lines
2.6 KiB
Bash
Executable file
83 lines
2.6 KiB
Bash
Executable file
#!/bin/bash -e
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#
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# Copyright (C) 2019 The Android Open Source Project
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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top=$(cd $(dirname $0) && pwd)
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bid=6079926
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keep_tmp_dir=0
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skip_gen_bench=0
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for arg in "$@"; do
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case "$arg" in
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--keep-tmp-dir)
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keep_tmp_dir=1
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;;
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--skip-gen-bench)
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skip_gen_bench=1
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;;
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*)
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echo "error: unrecognized option: $arg"
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exit 1
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;;
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esac
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done
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work_dir=$top/tmp
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mkdir -p $work_dir
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cd $work_dir
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archive=aosp_arm64-target_files-$bid.zip
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if [ ! -f $archive ]; then
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/google/data/ro/projects/android/fetch_artifact --bid $bid --target aosp_arm64-userdebug $archive
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fi
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if [ -e SYSTEM ]; then
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rm -rf SYSTEM
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fi
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echo 'Unzipping system files...'
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unzip -q $archive \
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'SYSTEM/system_ext/apex/com.android.art.debug/*' \
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'SYSTEM/system_ext/apex/com.android.runtime/*' \
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'SYSTEM/lib64/*'
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echo 'Dumping relocations...'
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python3 -B $top/regen/dump_relocs.py \
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-L $work_dir/SYSTEM/system_ext/apex/com.android.art.debug/lib64 \
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-L $work_dir/SYSTEM/system_ext/apex/com.android.runtime/lib64/bionic \
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-L $work_dir/SYSTEM/lib64 \
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$work_dir/SYSTEM/lib64/libandroid_servers.so \
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$work_dir/libandroid_servers_arm64.json
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if [ $skip_gen_bench -eq 0 ]; then
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echo 'Generating benchmark...'
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python3 -B $top/regen/gen_bench.py $work_dir/libandroid_servers_arm64.json $top/gen
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fi
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if [ $keep_tmp_dir -eq 0 ]; then
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rm -rf $work_dir
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fi
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