From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- vendor/addr2line-0.16.0/benchmark.sh | 112 +++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100755 vendor/addr2line-0.16.0/benchmark.sh (limited to 'vendor/addr2line-0.16.0/benchmark.sh') diff --git a/vendor/addr2line-0.16.0/benchmark.sh b/vendor/addr2line-0.16.0/benchmark.sh new file mode 100755 index 000000000..8eb83187b --- /dev/null +++ b/vendor/addr2line-0.16.0/benchmark.sh @@ -0,0 +1,112 @@ +#!/bin/bash +if [[ $# -le 1 ]]; then + echo "Usage: $0 [] REFS..." + exit 1 +fi +target="$1" +shift + +addresses="" +if [[ -e "$1" ]]; then + addresses="$1" + shift +fi + +# path to "us" +# readlink -f, but more portable: +dirname=$(perl -e 'use Cwd "abs_path";print abs_path(shift)' "$(dirname "$0")") + +# http://stackoverflow.com/a/2358432/472927 +{ + # compile all refs + pushd "$dirname" > /dev/null + # if the user has some local changes, preserve them + nstashed=$(git stash list | wc -l) + echo "==> Stashing any local modifications" + git stash --keep-index > /dev/null + popstash() { + # http://stackoverflow.com/q/24520791/472927 + if [[ "$(git stash list | wc -l)" -ne "$nstashed" ]]; then + echo "==> Restoring stashed state" + git stash pop > /dev/null + fi + } + # if the user has added stuff to the index, abort + if ! git diff-index --quiet HEAD --; then + echo "Refusing to overwrite outstanding git changes" + popstash + exit 2 + fi + current=$(git symbolic-ref --short HEAD) + for ref in "$@"; do + echo "==> Compiling $ref" + git checkout -q "$ref" + commit=$(git rev-parse HEAD) + fn="target/release/addr2line-$commit" + if [[ ! -e "$fn" ]]; then + cargo build --release --example addr2line + cp target/release/examples/addr2line "$fn" + fi + if [[ "$ref" != "$commit" ]]; then + ln -sfn "addr2line-$commit" target/release/addr2line-"$ref" + fi + done + git checkout -q "$current" + popstash + popd > /dev/null + + # get us some addresses to look up + if [[ -z "$addresses" ]]; then + echo "==> Looking for benchmarking addresses (this may take a while)" + addresses=$(mktemp tmp.XXXXXXXXXX) + objdump -C -x --disassemble -l "$target" \ + | grep -P '0[048]:' \ + | awk '{print $1}' \ + | sed 's/:$//' \ + > "$addresses" + echo " -> Addresses stored in $addresses; you should re-use it next time" + fi + + run() { + func="$1" + name="$2" + cmd="$3" + args="$4" + printf "%s\t%s\t" "$name" "$func" + if [[ "$cmd" =~ llvm-symbolizer ]]; then + /usr/bin/time -f '%e\t%M' "$cmd" $args -obj="$target" < "$addresses" 2>&1 >/dev/null + else + /usr/bin/time -f '%e\t%M' "$cmd" $args -e "$target" < "$addresses" 2>&1 >/dev/null + fi + } + + # run without functions + log1=$(mktemp tmp.XXXXXXXXXX) + echo "==> Benchmarking" + run nofunc binutils addr2line >> "$log1" + #run nofunc elfutils eu-addr2line >> "$log1" + run nofunc llvm-sym llvm-symbolizer -functions=none >> "$log1" + for ref in "$@"; do + run nofunc "$ref" "$dirname/target/release/addr2line-$ref" >> "$log1" + done + cat "$log1" | column -t + + # run with functions + log2=$(mktemp tmp.XXXXXXXXXX) + echo "==> Benchmarking with -f" + run func binutils addr2line "-f -i" >> "$log2" + #run func elfutils eu-addr2line "-f -i" >> "$log2" + run func llvm-sym llvm-symbolizer "-functions=linkage -demangle=0" >> "$log2" + for ref in "$@"; do + run func "$ref" "$dirname/target/release/addr2line-$ref" "-f -i" >> "$log2" + done + cat "$log2" | column -t + cat "$log2" >> "$log1"; rm "$log2" + + echo "==> Plotting" + Rscript --no-readline --no-restore --no-save "$dirname/bench.plot.r" < "$log1" + + echo "==> Cleaning up" + rm "$log1" + exit 0 +} -- cgit v1.2.3