diff --git a/.github/workflows/perf_micro.yml b/.github/workflows/perf_micro.yml index 99b9f4f523c0046b9ddc34793450389bbb8dbdb6..26bd3929ad5e5e0ecec605d15c21b81a0543d95c 100644 --- a/.github/workflows/perf_micro.yml +++ b/.github/workflows/perf_micro.yml @@ -74,6 +74,8 @@ jobs: with: submodule: ${{ inputs.submodule }} revision: ${{ inputs.revision }} + - name: setup environment + run: sh ./perf/tools/setup_env.sh - name: test run: make -f .test.mk test-perf - name: Aggregate benchmark results diff --git a/perf/tools/setup_env.sh b/perf/tools/setup_env.sh new file mode 100755 index 0000000000000000000000000000000000000000..bc0260e33a962403f0e632e38d9ee0c80ca2837a --- /dev/null +++ b/perf/tools/setup_env.sh @@ -0,0 +1,129 @@ +#!/bin/sh + +# The script setting up a Linux operating system before running +# Tarantool benchmarks, see [1]. +# +# 1. https://github.com/tarantool/tarantool/wiki/Benchmarking + +set -eu + +uid=$(id -u) +if [ "$uid" -ne 0 ] + then echo "Please run as root." + exit 1 +fi + +### +# Helpers. +### + +cpu_vendor="unknown" +cpuinfo_vendor=$(awk '/vendor_id/{ print $3; exit }' < /proc/cpuinfo) +if [ "$cpuinfo_vendor" = "GenuineIntel" ]; then + cpu_vendor="intel" +elif [ "$cpuinfo_vendor" = "AuthenticAMD" ]; then + cpu_vendor="amd" +else + echo "Unknown CPU vendor '$cpuinfo_vendor'" + exit 1 +fi + +FAILURE_MSG="WARNING" +SUCCESS_MSG="CHECKED" +SKIPPED_MSG="SKIPPED" + +set_kernel_setting() { + desc_msg="$1" + file_path="$2" + value="$3" + + if [ -f "$file_path" ]; then + sh -c "echo $value > $file_path" && status="$SUCCESS_MSG" || status="$FAILURE_MSG" + else + status="$SKIPPED_MSG" + fi + echo "$desc_msg $status" +} + +kernel_setting_is_nonzero() { + desc_msg="$1" + file_path="$2" + hint_msg="$3" + + if [ -f "$file_path" ]; then + value=$(cat "$file_path") + if [ -n "$value" ]; then + status="$SUCCESS_MSG" + else + status="$FAILURE_MSG (hint: $hint_msg)" + fi + else + status="$SKIPPED_MSG" + fi + echo "$desc_msg $status" +} + +### +# Kernel command line parameters. +### + +desc_msg="Disable AMD SMT or Intel Hyperthreading " +sysfs_path="/sys/devices/system/cpu/smt/active" +if [ -f "$sysfs_path" ]; then + is_set=$(cat $sysfs_path) + err_msg="$FAILURE_MSG (hint: set 'nosmt' kernel parameter)" + [ "$is_set" = 1 ] && status="$SUCCESS_MSG" || status="$err_msg" +else + status="$SKIPPED_MSG" +fi +echo "$desc_msg $status" + +kernel_setting_is_nonzero \ + "Isolate CPUs for benchmarking" \ + "/sys/devices/system/cpu/isolated" \ + "set 'isolcpus' kernel parameter" + +kernel_setting_is_nonzero \ + "Offload interrupts from the isolated CPUs" \ + "/proc/irq/default_smp_affinity" \ + "set 'irqaffinity' kernel parameter" + +kernel_setting_is_nonzero \ + "Disable scheduling on single-task isolated CPUs" \ + "/sys/devices/system/cpu/nohz_full" \ + "set 'nohz_full' kernel parameter" + +set_kernel_setting \ + "Disable transparent huge pages" \ + "/sys/kernel/mm/transparent_hugepage/enabled" \ + "never" + +set_kernel_setting \ + "Disable direct compaction of transparent huge pages" \ + "/sys/kernel/mm/transparent_hugepage/defrag" \ + "never" + +### +# System tuning. +### + +if [ "$cpu_vendor" = "amd" ]; then + sysfs_path="/sys/devices/system/cpu/cpufreq/boost" + value=0 +elif [ "$cpu_vendor" = "intel" ]; then + sysfs_path="/sys/devices/system/cpu/intel_pstate/no_turbo" + value=1 +fi +set_kernel_setting \ + "Disable TurboBoost" \ + "$sysfs_path" \ + "$value" + +ncpu=$(getconf _NPROCESSORS_ONLN) +for cpu_id in $(seq 0 1 $((ncpu-1))); do + sysfs_path_cpu="/sys/devices/system/cpu/cpu$cpu_id/cpufreq/scaling_governor" + set_kernel_setting \ + "Stabilize the frequency of CPU $cpu_id" \ + "$sysfs_path_cpu" \ + "performance" +done