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|
#!/bin/bash
set -euf -o pipefail
scripts=$(dirname $0)
. $scripts/jenkins-helpers.sh
. $scripts/round-robin.sh
convert_args_to_variables "$@"
obligatory_variables rr[ci_config] ssh_host ssh_port
# Execution mode: baseline, bisect, jenkins-full
rr[mode]="${rr[mode]-baseline}"
# Set custom revision for one of the projects, and use baseline revisions
# for all other projects.
rr[ci_project]="${rr[ci_project]-tcwg_bmk}"
rr[baseline_branch]="${rr[baseline_branch]-linaro-local/ci/${rr[ci_project]}/${rr[ci_config]}}"
rr[reset_baseline]="${rr[reset_baseline]-false}"
rr[top_artifacts]="${rr[top_artifacts]-$(pwd)/artifacts}"
# {toolchain_name}-{toolchain_ver}-{target}-{bmk}-{cflags}
IFS=- read -a ci_config <<EOF
${rr[ci_config]}
EOF
rr[toolchain]=${rr[toolchain]-${ci_config[0]}}
rr[target]=${rr[target]-${ci_config[2]}}
cflags=${cflags-${ci_config[4]}}
case "${rr[toolchain]}" in
llvm) rr[components]="binutils gcc glibc llvm" ;;
gnu) rr[components]="binutils gcc glibc" ;;
*) assert false ;;
esac
# Use baseline branches by default.
for c in ${rr[components]}; do
rr[${c}_branch]=${rr[${c}_branch]-baseline}
obligatory_variables rr[${c}_url]
done
start_at="${start_at-default}"
finish_at="${finish_at-default}"
verbose="${verbose-true}"
verbose2="${verbose2-false}"
if $verbose2; then set -x; fi
trap "eval \"echo ERROR at \${FUNCNAME[0]}:\${BASH_LINENO[0]}\"" EXIT
# Set start and finish steps for different modes.
default_start_at=""
default_finish_at=""
case "${rr[mode]}" in
"baseline")
default_finish_at="update_baseline"
;;
"bisect")
case "$(print_single_updated_component)" in
binutils) default_start_at="build_abe-binutils" ;;
gcc) default_start_at="build_abe-stage1" ;;
glibc) default_start_at="build_abe-glibc" ;;
llvm) default_start_at="build_llvm-true" ;;
*) assert false ;;
esac
default_finish_at="check_regression"
;;
"jenkins-full") ;;
esac
if [ x"$start_at" = x"default" ]; then
start_at="$default_start_at"
fi
if [ x"$finish_at" = x"default" ]; then
finish_at="$default_finish_at"
fi
run_step_init "$start_at" "$finish_at" "${rr[top_artifacts]}" "$verbose"
benchmark ()
{
(
set -euf -o pipefail
rm -rf $(pwd)/bin
mkdir $(pwd)/bin
local bmk_flags
bmk_flags="$(echo -$cflags | sed -e "s/_/ -/g" -e "s/LTO/flto/g")"
case "$cflags" in
"Os*"|"Oz*")
# Use static linking for size benchmarking to pickup library
# code size increases in the final executable.
bmk_flags="$bmk_flags -static"
;;
esac
local bench_list bin cc gnu_target sysroot
gnu_target=$(print_gnu_target ${rr[target]})
sysroot="$(pwd)/abe/sysroots/$gnu_target"
case "${rr[toolchain]}" in
llvm)
bench_list="c_and_cxx"
bmk_flags="$bmk_flags --target=$gnu_target --sysroot=$sysroot"
bin="$(pwd)/llvm-install/bin"
cc="$bin/"
;;
gnu)
bench_list="all"
bin="$(pwd)/abe/builds/destdir/x86_64-unknown-linux-gnu/bin"
cc="$bin/$gnu_target-"
;;
esac
sysroot="ssh://$ssh_host:$ssh_port:$sysroot"
local hw results_id
case "${rr[target]}" in
arm*) hw=tk1 ;;
*) hw=tx1 ;;
esac
local results_id="@hw_type@/${rr[ci_project]}/${rr[ci_config]}-@build_num@"
remote_exec "ci.linaro.org:2222::-l $USER@linaro.org" \
build tcwg-benchmark -s -v \
-p bench_list="$bench_list" \
-p cflags="$bmk_flags" \
-p testmode=benchmark \
-p displaytag="${rr[ci_config]}" \
-p toolchain_url=ssh://$ssh_host:$ssh_port:$cc \
-p toolchain_type=${rr[toolchain]} \
-p sysroot="$sysroot" \
-p results_id="$results_id" \
-p target_list="$hw" \
-p scripts_branch="$scripts_branch" \
-p bmk_branch="$bmk_branch" | tee $run_step_artifacts/benchmark.log
local build_num
build_num=$(tail -n1 $run_step_artifacts/benchmark.log \
| grep SUCCESS \
| sed -e "s/.*#\([0-9]\+\)-.*/\1/")
echo "$results_id" | sed -e "s/@build_num@/$build_num/g" \
> "${rr[top_artifacts]}/results_id"
)
}
# Exit with code 0 if no regression compared to base-artifacts/results.
no_regression_p ()
{
(
set -euf -o pipefail
if ! [ -f base-artifacts/results ]; then
return 0
fi
local build_result_ref build_result_new
build_result_ref=$(tail -n1 base-artifacts/results)
build_result_new=$(tail -n1 ${rr[top_artifacts]}/results)
if [ $build_result_new -lt $build_result_ref ]; then
return 1
fi
if ! [ -f base-artifacts/results_id ]; then
return 0
elif ! [ -f ${rr[top_artifacts]}/results_id ]; then
return 1
fi
local results_ref results_new
results_ref=$(cat base-artifacts/results_id)
results_new=$(cat ${rr[top_artifacts]}/results_id)
$scripts/tcwg-benchmark-results.sh --results_ref $results_ref --results_id $results_new --top_artifacts "${rr[top_artifacts]}" --verbose $verbose
# Skip header line
tail -n +2 ${rr[top_artifacts]}/results.csv | \
while IFS=, read -r bmk symbol speed size; do
# Skip case where we have no info ("n/a")
if [ "$size" != "n/a" ]; then
if [ "$size" -gt 100 ]; then
echo "Regression in bench $bmk, symbol $symbol size increased ($size vs 100)"
return 1
fi
fi
done
)
}
run_step stop_on_fail -10 reset_artifacts
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
run_step skip_on_fail -7 build_abe linux
run_step skip_on_fail -6 build_abe glibc
run_step skip_on_fail -5 build_abe stage2
case "${rr[toolchain]}" in
llvm) run_step skip_on_fail -1 build_llvm true ;;
esac
run_step skip_on_fail 0 benchmark
run_step reset_on_fail x check_regression
run_step stop_on_fail x update_baseline
run_step stop_on_fail x push_baseline
trap "" EXIT
|
