1#!/bin/ksh 2 3# 4# This file and its contents are supplied under the terms of the 5# Common Development and Distribution License ("CDDL"), version 1.0. 6# You may only use this file in accordance with the terms of version 7# 1.0 of the CDDL. 8# 9# A full copy of the text of the CDDL should have accompanied this 10# source. A copy of the CDDL is also available via the Internet at 11# http://www.illumos.org/license/CDDL. 12# 13 14# 15# Copyright (c) 2015, 2021 by Delphix. All rights reserved. 16# 17 18# 19# Description: 20# Trigger fio runs using the sequential_writes job file. The number of runs and 21# data collected is determined by the PERF_* variables. See do_fio_run for 22# details about these variables. 23# 24# Prior to each fio run the dataset is recreated, and fio writes new files 25# into an otherwise empty pool. 26# 27# Thread/Concurrency settings: 28# PERF_NTHREADS defines the number of files created in the test filesystem, 29# as well as the number of threads that will simultaneously drive IO to 30# those files. The settings chosen are from measurements in the 31# PerfAutoESX/ZFSPerfESX Environments, selected at concurrency levels that 32# are at peak throughput but lowest latency. Higher concurrency introduces 33# queue time latency and would reduce the impact of code-induced performance 34# regressions. 35# 36 37. $STF_SUITE/include/libtest.shlib 38. $STF_SUITE/tests/perf/perf.shlib 39 40command -v fio > /dev/null || log_unsupported "fio missing" 41 42function cleanup 43{ 44 # kill fio and iostat 45 pkill fio 46 pkill iostat 47 recreate_perf_pool 48} 49 50trap "log_fail \"Measure IO stats during random read load\"" SIGTERM 51log_onexit cleanup 52 53recreate_perf_pool 54populate_perf_filesystems 55 56# Aim to fill the pool to 50% capacity while accounting for a 3x compressratio. 57export TOTAL_SIZE=$(($(get_prop avail $PERFPOOL) * 3 / 2)) 58 59# Variables specific to this test for use by fio. 60export PERF_NTHREADS=${PERF_NTHREADS:-'16 32'} 61export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'} 62export PERF_IOSIZES=${PERF_IOSIZES:-'8k 1m'} 63export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'0 1'} 64 65# Set up the scripts and output files that will log performance data. 66lun_list=$(pool_to_lun_list $PERFPOOL) 67log_note "Collecting backend IO stats with lun list $lun_list" 68if is_linux; then 69 typeset perf_record_cmd="perf record -F 99 -a -g -q \ 70 -o /dev/stdout -- sleep ${PERF_RUNTIME}" 71 72 export collect_scripts=( 73 "zpool iostat -lpvyL $PERFPOOL 1" "zpool.iostat" 74 "vmstat -t 1" "vmstat" 75 "mpstat -P ALL 1" "mpstat" 76 "iostat -tdxyz 1" "iostat" 77 "$perf_record_cmd" "perf" 78 ) 79else 80 export collect_scripts=( 81 "$PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" "io" 82 "vmstat -T d 1" "vmstat" 83 "mpstat -T d 1" "mpstat" 84 "iostat -T d -xcnz 1" "iostat" 85 ) 86fi 87 88log_note "Sequential writes with settings: $(print_perf_settings)" 89do_fio_run sequential_writes.fio true false 90log_pass "Measure IO stats during sequential write load" 91