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perf: measure set benchmarks with user and system time

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krosh
2026-08-20 13:31:12 +03:00
parent 8c25773fcc
commit 45033e7f6d
2 changed files with 200 additions and 160 deletions
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scripts/run-setc-bench.sh
+25 -18
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@@ -16,6 +16,7 @@ PERF_EVENTS='task-clock,context-switches,cpu-migrations,page-faults,minor-faults
PACKAGER='krosh <gudovdo@my.msu.ru>'
APT_SOURCE=/etc/apt/sources.list.d/alt.list
APT_GET=/usr/lib/apt/apt-get
TIME_COMMAND=/usr/bin/time
RPM_BUILD_GIT=https://git.altlinux.org/gears/r/rpm-build.git
RPM_GIT=https://git.altlinux.org/gears/r/rpm.git
@@ -93,7 +94,7 @@ operation_label()
run_once()
{
local operation=$1 variant=$2 run=$3 start end status perf_stat
local operation=$1 variant=$2 run=$3 status perf_stat time_file
local libdir="$variant/lib/usr/lib64"
local root="$COMMON/root"
local raw="$variant/raw"
@@ -117,8 +118,9 @@ run_once()
)
fi
start=$(date +%s%N)
if env LC_ALL=C APT_CONFIG="$COMMON/apt.conf" \
time_file="$raw/$operation.$run.time.tsv"
if "$TIME_COMMAND" -f $'%U\t%S' -o "$time_file" -- \
env LC_ALL=C APT_CONFIG="$COMMON/apt.conf" \
LD_LIBRARY_PATH="$libdir" \
taskset -c "$CPU" "${command[@]}" \
>"$raw/$operation.$run.stdout" \
@@ -127,10 +129,7 @@ run_once()
else
status=$?
fi
end=$(date +%s%N)
RUN_TIME=$(awk -v start="$start" -v end="$end" \
'BEGIN { printf "%.6f", (end - start) / 1000000000 }')
read -r RUN_USER_TIME RUN_SYSTEM_TIME <"$time_file"
RUN_STATUS=$status
}
@@ -228,8 +227,8 @@ benchmark_variant()
{
local variant=$1 result=$2 debug_file=$3 debuginfo_rpm=$4
local runtime_file=$5 dso_name=$6
local operation run average label status_text perf_result perf_dir
local -a times statuses
local operation run average_user average_system label status_text perf_result perf_dir
local -a user_times system_times statuses
local -a operations=(
check
autoremove
@@ -241,7 +240,7 @@ benchmark_variant()
)
mkdir -p "$variant/raw/perf-stat"
printf 'command\taverage_seconds\trun1_seconds\trun2_seconds\trun3_seconds\texit_status\n' \
printf 'command\taverage_user_seconds\taverage_system_seconds\trun1_user_seconds\trun1_system_seconds\trun2_user_seconds\trun2_system_seconds\trun3_user_seconds\trun3_system_seconds\texit_status\n' \
>"$result"
perf_result=${result%.tsv}.perf-stat.tsv
perf_dir=${result%.tsv}.perf
@@ -257,22 +256,27 @@ benchmark_variant()
fi
for operation in "${operations[@]}"; do
times=()
user_times=()
system_times=()
statuses=()
for ((run = 1; run <= RUNS; ++run)); do
run_once "$operation" "$variant" "$run"
times+=("$RUN_TIME")
user_times+=("$RUN_USER_TIME")
system_times+=("$RUN_SYSTEM_TIME")
statuses+=("$RUN_STATUS")
if ((COLLECT_PERF)); then
append_perf_stat "$operation" "$run" \
"$variant/raw/perf-stat/$operation.$run.tsv" "$perf_result"
fi
printf '%s: run %d/%d: %ss, status=%s\n' \
"$operation" "$run" "$RUNS" "$RUN_TIME" "$RUN_STATUS"
printf '%s: run %d/%d: user=%ss system=%ss status=%s\n' \
"$operation" "$run" "$RUNS" \
"$RUN_USER_TIME" "$RUN_SYSTEM_TIME" "$RUN_STATUS"
done
average=$(printf '%s\n' "${times[@]}" | \
average_user=$(printf '%s\n' "${user_times[@]}" | \
awk '{ total += $1 } END { printf "%.6f", total / NR }')
average_system=$(printf '%s\n' "${system_times[@]}" | \
awk '{ total += $1 } END { printf "%.6f", total / NR }')
status_text=${statuses[0]}
@@ -284,9 +288,11 @@ benchmark_variant()
done
label=$(operation_label "$operation")
printf '%s\t%s\t%s\t%s\t%s\t%s\n' \
"$label" "$average" \
"${times[0]}" "${times[1]}" "${times[2]}" "$status_text" \
printf '%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n' \
"$label" "$average_user" "$average_system" \
"${user_times[0]}" "${system_times[0]}" \
"${user_times[1]}" "${system_times[1]}" \
"${user_times[2]}" "${system_times[2]}" "$status_text" \
>>"$result"
if ((COLLECT_PERF && PERF_RECORD)); then
@@ -300,6 +306,7 @@ for command in git gear-hsh hsh rpm rpmquery rpm2cpio cpio apt-get apt-cache \
taskset awk sed date sha256sum ldd readelf readlink eu-unstrip; do
command -v "$command" >/dev/null || fail "required command not found: $command"
done
[[ -x $TIME_COMMAND ]] || fail "time executable not found: $TIME_COMMAND"
if ((COLLECT_PERF)); then
command -v perf >/dev/null || \
fail "perf is not installed; install the ALT package: apt-get install perf"