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|
#!/bin/bash
set -euf -o pipefail
scripts=$(dirname $0)
# shellcheck source=jenkins-helpers.sh
. $scripts/jenkins-helpers.sh
# shellcheck source=round-robin.sh
. $scripts/round-robin.sh
convert_args_to_variables "$@"
obligatory_variables rr[ci_project] rr[ci_config]
declare -A rr
# All bmk config about hw and benchs is implemented in this file
# shellcheck source=tcwg_bmk-config.sh
. $scripts/tcwg_bmk-config.sh
# Execution mode: build or bisect
rr[mode]="${rr[mode]-build}"
# Set custom revision for one of the projects, and use baseline revisions
# for all other projects.
rr[baseline_branch]="${rr[baseline_branch]-linaro-local/ci/${rr[ci_project]}/${rr[ci_config]}}"
rr[update_baseline]="${rr[update_baseline]-ignore}"
rr[top_artifacts]="${rr[top_artifacts]-$(pwd)/artifacts}"
# ${ci_project}--${ci_config} format is :
# 'tcwg_bmk-#{PROFILE_NAME}-#{BMK}--#{TOOLCHAIN}-#{TARGET}-{toolchain_ver}-{cflags}'
IFS=- read -a ci_pjt_cfg <<EOF
${rr[ci_project]}--${rr[ci_config]}
EOF
rr[toolchain]=${rr[toolchain]-${ci_pjt_cfg[4]}}
rr[target]=${rr[target]-${ci_pjt_cfg[5]}}
cflags="${cflags--${ci_pjt_cfg[7]}}"
gcc_mode=""
case "${rr[target]}:$cflags" in
"arm:"*"mthumb"*) gcc_mode=thumb ;;
"arm:"*"marm"*) gcc_mode=arm ;;
"arm:-Os"*|"arm:-Oz"*)
gcc_mode=thumb
cflags="${cflags}_mthumb"
;;
"arm:"*)
gcc_mode=arm
cflags="${cflags}_marm"
;;
"arm_eabi:"*)
cflags="${cflags}_mthumb"
;;
esac
cflags="$(echo $cflags | sed -e "s/_/ -/g" -e "s/LTO/flto/g")"
case "${rr[ci_project]}" in
*-*_size-*) rr[metric_id]="size" ;;
*-*_speed-*) rr[metric_id]="sample" ;;
*-*_vect-*) rr[metric_id]="num_vect_loops" ;;
*-*_sve-*) rr[metric_id]="num_sve_loops" ;;
*) assert_with_msg "Cannot determine metric from ${rr[ci_project]}" false ;;
esac
called_from_notify=${called_from_notify-false}
hw=$(tcwg_bmk_hw)
hw=${hw%_32} ; hw=${hw%_64}
# -----------------------------------------------------------------------
gcc_override_configure=()
# Set default ARM/Thumb mode for AArch32 compiler. This ensures that libraries
# (Glibc, libgcc, libstdc++, libgfortran, etc.) are built in the "interesting"
# ISA.
case "$gcc_mode" in
arm|thumb) gcc_override_configure+=("--set" "gcc_override_configure=--with-mode=$gcc_mode") ;;
esac
# Disable libsanitizer because it didn't build in April-June 2018.
# We need to test revisions during that time period for performance regressions.
gcc_override_configure+=("--set" "gcc_override_configure=--disable-libsanitizer")
# Build the right libs depending on the target. Hardcode the
# cpu/float-abit/mode to speed up toolchain builds: the alternative of
# building rmprofile multilibs takes a very long time. Setting the
# values here has the drawback that we have to build one toolchain per
# board type.
case "${rr[target]}" in
"arm_eabi") gcc_override_configure+=("--set" "gcc_override_configure=--disable-multilib"
"--set" "gcc_override_configure=--with-mode=thumb"
"--set" "gcc_override_configure=--with-float=hard"
) ;;
esac
rr[cpu]=$(tcwg_bmk_cpu)
if [ "${rr[cpu]}" != "" ]; then
gcc_override_configure+=("--set" "gcc_override_configure=--with-cpu=${rr[cpu]}")
cflags="$cflags -mcpu=${rr[cpu]}"
fi
case "${rr[toolchain]}" in
llvm)
rr[components]="llvm" ;;
gnu)
rr[components]="binutils gcc linux glibc" ;;
gnu_eabi)
rr[components]="binutils gcc newlib" ;;
*) assert_with_msg "Unknown toolchain \"${rr[toolchain]}\"" false ;;
esac
# Use baseline branches by default.
for c in ${rr[components]}; do
rr[${c}_git]=${rr[${c}_git]-baseline}
done
start_at="${start_at-default}"
finish_at="${finish_at-default}"
verbose="${verbose-true}"
verbose2="${verbose2-false}"
if $verbose2; then set -x; fi
trap print_traceback EXIT
# Set start and finish steps for different modes.
default_start_at=""
default_finish_at=""
case "${rr[mode]}" in
"bisect")
single_updated_component="$(print_single_updated_component)"
case $single_updated_component in
binutils) default_start_at="build_abe-binutils" ;;
gcc) default_start_at="build_abe-stage1" ;;
linux|glibc) default_start_at="clean_sysroot" ;;
llvm) default_start_at="build_bmk_llvm" ;;
newlib) default_start_at="build_abe-newlib" ;;
*) assert_with_msg \
"Invalid single updated component \"$single_updated_component\"" false
;;
esac
;;
esac
if [ x"$start_at" = x"default" ]; then
start_at="$default_start_at"
fi
if [ x"$finish_at" = x"default" ]; then
finish_at="$default_finish_at"
fi
case "${rr[ci_project]}/${rr[ci_config]}" in
tcwg_bmk-code_speed-cpu2017rate/gnu-aarch64-master-O2|\
tcwg_bmk-code_speed-cpu2017rate/gnu-aarch64-master-O3|\
tcwg_bmk-code_speed-cpu2017rate/llvm-aarch64-master-O2|\
tcwg_bmk-code_speed-cpu2017rate/llvm-aarch64-master-O3)
rr[major]=3
rr[minor]=0
;;
*)
rr[major]=2
rr[minor]=3
;;
esac
run_step_init "$start_at" "$finish_at" "${rr[top_artifacts]}" "$verbose"
build_bmk_llvm ()
{
(
set -euf -o pipefail
local projects="clang;lld;openmp"
case "${rr[target]}" in
aarch64)
# Flang is not supported for AArch32
projects="$projects;flang"
;;
esac
build_llvm "$projects" "" "${rr[metric_id]}"
# Copy shared libraries to runtime sysroot dir
mkdir -p llvm-install/libc
rsync -a --del --include "*/" --include "*.so*" --exclude "*" \
--delete-excluded llvm-install/lib/ llvm-install/libc/lib/
)
}
benchmark ()
{
obligatory_variables ssh_host ssh_port
(
set -euf -o pipefail
local bmk_flags="$2"
sanity_check_pwd
# shellcheck disable=SC2115
rm -rf "$(pwd)"/bin
mkdir "$(pwd)"/bin
local reboot run_profile
local hw_tag
hw_tag=$(tcwg_bmk_hw)
case "${rr[ci_project]}" in
*_size*|*_vect*|*_sve*)
reboot=false
run_profile="parallel"
testmode="verify"
;;
*)
reboot=true
run_profile="serial"
testmode="benchmark"
;;
esac
local bench_list bin cc sysroot toolchain
case "${rr[toolchain]}" in
llvm)
sysroot="$(pwd)/llvm-install/libc"
bin="$(pwd)/llvm-install/bin"
cc="$bin/"
toolchain="llvm"
;;
gnu|gnu_eabi)
local gnu_host gnu_target
gnu_host=$(print_gnu_target native)
gnu_target=$(print_gnu_target ${rr[target]})
sysroot="$(pwd)/abe/builds/destdir/$gnu_host/$gnu_target/libc"
bin="$(pwd)/abe/builds/destdir/$gnu_host/bin"
cc="$bin/$gnu_target-"
toolchain="gnu"
# Append -fdump-statistics-asmname to obtain compile time metrics.
bmk_flags="$bmk_flags -fdump-statistics-asmname -fdump-tree-vect-details"
;;
esac
bench_list="$(tcwg_bmk_benchs)"
# shellcheck disable=SC2154
sysroot="ssh://$ssh_host:$ssh_port:$sysroot"
local hw image_arch toolchain_proto
toolchain_proto=ssh
case "$hw_tag" in
stm32)
hw=stm32; image_arch=amd64
# When running benchmarks on stm32, we prefer to rsync the
# toolchain to the board's host machine -- dev-02.tcwglab.
toolchain_proto=rsync
;;
*_32) hw=${hw_tag/_32}; image_arch=armhf ;;
*_64) hw=${hw_tag/_64}; image_arch=arm64 ;;
*) echo "ERROR: Unknown hw_tag $hw_tag"; exit 1 ;;
esac
# Create directory for tcwg-benchmark to upload results to.
# Note that files inside $results_dir will be owned by tcwg-benchmark.
local results_dir
results_dir="$(mktemp -d)"
chmod 0777 "$results_dir"
# Trigger benchmarking job and capture its console output.
# Ignore exit code of the trigger command to detect various failure
# conditions from examining the console log.
# shellcheck disable=SC2154
remote_exec "ci.linaro.org:2222::-l $USER@linaro.org" \
build tcwg-benchmark -f -v \
-p bmk_hw=$hw \
-p bench_list="$bench_list" \
-p cflags="$bmk_flags" \
-p ldflags="$bmk_flags" \
-p testmode="$testmode" \
-p displaytag="${rr[ci_project]}/${rr[ci_config]}-${rr[mode]}" \
-p ignore_errors=true \
-p toolchain_url=$toolchain_proto://$ssh_host:$ssh_port:$cc \
-p toolchain_type=$toolchain \
-p sysroot="$sysroot" \
-p results_dest="$ssh_host:$ssh_port:$results_dir" \
-p reboot="$reboot" \
-p run_profile="$run_profile" \
-p image_arch="$image_arch" \
${scripts_branch+-p scripts_branch="$scripts_branch"} \
${bmk_branch+-p bmk_branch="$bmk_branch"} \
| tee $run_step_artifacts/benchmark-build.log || true
local build_num
build_num=$(head -n1 $run_step_artifacts/benchmark-build.log \
| sed -e "s/Started.*#\([0-9]\+\).*/\1/")
assert_with_msg "Benchmark build number should not be 0!" \
[ "$build_num" -gt "0" ]
cat > $run_step_artifacts/benchmark_job.txt << EOF
Url: https://ci.linaro.org/job/tcwg-benchmark/$build_num
Name: $(curl -s "https://ci.linaro.org/job/tcwg-benchmark/$build_num/api/json?tree=displayName" \
| jq -r ".displayName")
EOF
local build_status
local build_ret
while true; do
# Ssh connection to ci.linaro.org occasionally drops. We need
# to check whether benchmarking has finished, and, if not, continue
# waiting.
build_status=$(curl -s \
"https://ci.linaro.org/job/tcwg-benchmark/$build_num/api/json?tree=result" \
| jq -r ".result")
case "$build_status" in
"null")
# Continue waiting
true
;;
"SUCCESS")
build_ret=0
break
;;
*)
echo "# Benchmarking infra is offline:" \
>> ${rr[top_artifacts]}/results
echo "-$EXTERNAL_FAIL" >> ${rr[top_artifacts]}/results
build_ret=1
break
;;
esac
# Wait by following console output
(ssh -p2222 -l $USER@linaro.org ci.linaro.org \
console tcwg-benchmark $build_num -f || true) \
| tee $run_step_artifacts/benchmark-wait.log
done
rm -rf "${rr[top_artifacts]}/annex"
mkdir "${rr[top_artifacts]}/annex"
ln -s "$results_dir" "${rr[top_artifacts]}/annex/bmk-data"
return $build_ret
)
}
# Exit with code 0 if no regression compared to base-artifacts/.
no_regression_p ()
{
(
set -euf -o pipefail
# check score-based regression
no_build_regression_p "$@"
# At this stage, there's no score-based regression.
# We are now checking metric-based regression.
assert_with_msg "Benchmarking succeeded, but bmk-data is missing" \
[ -e $run_step_top_artifacts/annex/bmk-data ]
# Make sure there is no stray results.regression file, which we use
# as failure marker.
assert ! [ -f $run_step_artifacts/results.regressions ]
local compare_opts=""
case "${rr[target]}:$cflags" in
"arm_eabi":*) compare_opts="--has_perf_logs no" ;;
*) compare_opts="" ;;
esac
if [ -f /usr/lib/linux-tools/install-armhf-perf-workaround.sh ]; then
# FIXME:
# In some cases perf report crashes when run from armhf container on
# ARMv8 machine.
# Install a workaround while we are investigating the cause.
sudo /usr/lib/linux-tools/install-armhf-perf-workaround.sh
fi
local new_results="${rr[top_artifacts]}/annex/bmk-data"
local ref_results="base-artifacts/annex/bmk-data"
assert_with_msg "Benchmarking succeeded, but no annex/bmk-data results" \
[ -d "$new_results" ]
if ! [ -d "$ref_results" ]; then
# base-artifacts has no reference results.
# This can happen on init build (update_baseline=init).
# In such cases we compare results to themselves just as an exercise.
ref_results="$new_results"
assert_with_msg "No reference results" \
[ "${rr[update_baseline]}" = "init" ]
fi
# Compare vs previous run
mkdir -p ${rr[top_artifacts]}/results-vs-prev
ln -s ../results-vs-prev $run_step_artifacts/results-vs-prev
$scripts/tcwg-benchmark-results.sh \
--results_ref "$ref_results" ++results "$new_results" \
--top_artifacts "${rr[top_artifacts]}/results-vs-prev" \
--verbose $verbose --hw_tag "$(tcwg_bmk_hw)" \
$compare_opts \
> ${rr[top_artifacts]}/results-vs-prev/tcwg-benchmark-results.log 2>&1 &
local res
res=0 && wait $! || res=$?
if [ $res != 0 ]; then
return $EXTERNAL_FAIL
fi
# Below call to output-bmk-results.py creates *.regression files.
assert_with_msg "Found stale regression files" \
[ x"$(find $run_step_artifacts/ -name "*.regression" | wc -l)" = x"0" ]
# Extract 5 most recent compare-results-vs-prev-internal.csv files from
# base-artifacts and compute std deviation out of them
local -a csvs_paths
csvs_paths=("results-vs-prev/compare-results-internal.csv"
"$(basename $run_step_artifacts)/compare-results-vs-prev-internal.csv")
local -a history_csvs
local csv history_root=""
while read csv; do
if [ "$history_root" = "" ]; then
history_root="$csv"
continue
fi
history_csvs+=("$csv")
done < <(get_git_history -0 base-artifacts "${csvs_paths[@]}")
local csv tmpf
local -a compare_results_list=()
tmpf=$(mktemp)
# FIXME:
# To deal with some differences along base-artifacts recent history
# - remove 'Failed for column' message from csv file
# - skip emtpy csv files.
for csv in "${history_csvs[@]}"; do
grep -v 'Failed for column' "$csv" > "$tmpf" || true
cp "$tmpf" "$csv"
if [ -s "$csv" ]; then
compare_results_list+=("$csv")
fi
done
if [ ${#compare_results_list[@]} != 0 ]; then
$scripts/../bmk-scripts/compute-variability.py \
--inputs "${compare_results_list[@]}" ${rr[top_artifacts]}/results-vs-prev/compare-results-internal.csv \
--weights linear --method avg \
--output ${rr[top_artifacts]}/results-vs-prev/bmk-specific-variability-avg.csv || true
$scripts/../bmk-scripts/compute-variability.py \
--inputs "${compare_results_list[@]}" ${rr[top_artifacts]}/results-vs-prev/compare-results-internal.csv \
--weights 2-peaks-linear --method max \
--output ${rr[top_artifacts]}/results-vs-prev/bmk-specific-variability-max.csv || true
fi
rm -rf "$history_root" "$tmpf"
$scripts/../bmk-scripts/output-bmk-results.py \
--compare_results ${rr[top_artifacts]}/results-vs-prev/compare-results-internal.csv \
--variability_file ${rr[top_artifacts]}/results-vs-prev/bmk-specific-variability-avg.csv \
--variability_file_data "avg" \
--run_step_dir "$run_step_artifacts"/ \
--metric "${rr[metric_id]}" --mode "${rr[mode]}" \
--details quiet > $run_step_artifacts/output-bmk-results.log
# copy inputs useful to build the mail / jira / .. to mail dir
for resfile in $run_step_artifacts/{exe,symbol}.{regression,improvement}; do
if [ -f $resfile ]; then
cp $resfile ${rr[top_artifacts]}/notify/
fi
done
# return status rely on the presence of the results.regressions file
if [ -f $run_step_artifacts/results.regressions ]; then
assert_with_msg "Found a regression while comparing the build against itself" \
[ "$ref_results" != "$new_results" ]
return 1
fi
return 0
)
}
# Compiler changes tend to cause the most regressions.
# Breakup updated components into compiler and the rest of components
# to reduce the number of builds.
case "${rr[toolchain]}" in
llvm)
rr[breakup_changed_components]="breakup_changed_components llvm"
;;
gnu|gnu_eabi)
rr[breakup_changed_components]="breakup_changed_components gcc"
;;
*) assert false ;;
esac
run_step stop_on_fail -10 reset_artifacts
case "${rr[toolchain]}" in
gnu*)
run_step stop_on_fail x prepare_abe
run_step skip_on_fail -9 build_abe binutils
run_step skip_on_fail -8 build_abe stage1 -- \
"${gcc_override_configure[@]}"
run_step skip_on_fail x clean_sysroot
case "${rr[components]}" in
*glibc*)
run_step skip_on_fail -7 build_abe linux
run_step skip_on_fail -6 build_abe glibc
;;
*newlib*)
run_step skip_on_fail -6 build_abe newlib
;;
esac
run_step skip_on_fail -5 build_abe stage2 -- \
"${gcc_override_configure[@]}"
;;
llvm)
run_step skip_on_fail -3 build_bmk_llvm
;;
esac
run_step skip_on_fail 1 benchmark -- "$cflags"
run_step reset_on_fail x check_regression
trap "" EXIT
|