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. $STF_SUITE/include/libtest.shlib 19. $STF_SUITE/tests/perf/perf.shlib 20 21function cleanup 22{ 23 # kill fio and iostat 24 pkill fio 25 pkill iostat 26 27 # 28 # We're using many filesystems depending on the number of 29 # threads for each test, and there's no good way to get a list 30 # of all the filesystems that should be destroyed on cleanup 31 # (i.e. the list of filesystems used for the last test ran). 32 # Thus, we simply recreate the pool as a way to destroy all 33 # filesystems and leave a fresh pool behind. 34 # 35 recreate_perf_pool 36} 37 38trap "log_fail \"Measure IO stats during random write load\"" SIGTERM 39log_onexit cleanup 40 41recreate_perf_pool 42 43# Aim to fill the pool to 50% capacity while accounting for a 3x compressratio. 44export TOTAL_SIZE=$(($(get_prop avail $PERFPOOL) * 3 / 2)) 45 46# Variables specific to this test for use by fio. 47export PERF_NTHREADS=${PERF_NTHREADS:-'1 4 16 64'} 48export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0 1'} 49export PERF_IOSIZES=${PERF_IOSIZES:-'8k'} 50 51# Until the performance tests over NFS can deal with multiple file systems, 52# force the use of only one file system when testing over NFS. 53[[ $NFS -eq 1 ]] && PERF_NTHREADS_PER_FS='0' 54 55lun_list=$(pool_to_lun_list $PERFPOOL) 56log_note "Collecting backend IO stats with lun list $lun_list" 57if is_linux; then 58 typeset perf_record_cmd="perf record -F 99 -a -g -q \ 59 -o /dev/stdout -- sleep ${PERF_RUNTIME}" 60 61 export collect_scripts=( 62 "zpool iostat -lpvyL $PERFPOOL 1" "zpool.iostat" 63 "vmstat -t 1" "vmstat" 64 "mpstat -P ALL 1" "mpstat" 65 "iostat -tdxyz 1" "iostat" 66 "$perf_record_cmd" "perf" 67 ) 68else 69 export collect_scripts=( 70 "kstat zfs:0 1" "kstat" 71 "vmstat -T d 1" "vmstat" 72 "mpstat -T d 1" "mpstat" 73 "iostat -T d -xcnz 1" "iostat" 74 "dtrace -Cs $PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" "io" 75 "dtrace -s $PERF_SCRIPTS/zil.d $PERFPOOL 1" "zil" 76 "dtrace -s $PERF_SCRIPTS/profile.d" "profile" 77 "dtrace -s $PERF_SCRIPTS/offcpu-profile.d" "offcpu-profile" 78 ) 79fi 80log_note \ 81 "ZIL specific random write workload with settings: $(print_perf_settings)" 82do_fio_run random_writes.fio true false 83log_pass "Measure IO stats during ZIL specific random write workload" 84