1#!/usr/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, 2016 by Delphix. All rights reserved. 16# 17 18# 19# Description: 20# Trigger fio runs using the sequential_reads 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# The files to read from are created prior to the first fio run, and used 25# for all fio runs. The ARC is not cleared to ensure that all data is cached. 26# 27 28. $STF_SUITE/include/libtest.shlib 29. $STF_SUITE/tests/perf/perf.shlib 30 31function cleanup 32{ 33 log_must zfs destroy $TESTFS 34} 35 36log_assert "Measure IO stats during sequential read load" 37log_onexit cleanup 38 39export TESTFS=$PERFPOOL/testfs 40recreate_perfpool 41log_must zfs create $PERF_FS_OPTS $TESTFS 42 43# Make sure the working set can be cached in the arc. Aim for 1/2 of arc. 44export TOTAL_SIZE=$(($(get_max_arc_size) / 2)) 45 46# Variables for use by fio. 47if [[ -n $PERF_REGRESSION_WEEKLY ]]; then 48 export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_WEEKLY} 49 export PERF_RUNTYPE=${PERF_RUNTYPE:-'weekly'} 50 export PERF_NTHREADS=${PERF_NTHREADS:-'16 64'} 51 export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'} 52 export PERF_IOSIZES=${PERF_IOSIZES:-'64k 128k 1m'} 53elif [[ -n $PERF_REGRESSION_NIGHTLY ]]; then 54 export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_NIGHTLY} 55 export PERF_RUNTYPE=${PERF_RUNTYPE:-'nightly'} 56 export PERF_NTHREADS=${PERF_NTHREADS:-'64 128'} 57 export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'} 58 export PERF_IOSIZES=${PERF_IOSIZES:-'128k 1m'} 59fi 60 61# Layout the files to be used by the read tests. Create as many files as the 62# largest number of threads. An fio run with fewer threads will use a subset 63# of the available files. 64export NUMJOBS=$(get_max $PERF_NTHREADS) 65export FILE_SIZE=$((TOTAL_SIZE / NUMJOBS)) 66log_must fio $FIO_SCRIPTS/mkfiles.fio 67 68# Set up the scripts and output files that will log performance data. 69lun_list=$(pool_to_lun_list $PERFPOOL) 70log_note "Collecting backend IO stats with lun list $lun_list" 71export collect_scripts=("dtrace -s $PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" 72 "io" "dtrace -Cs $PERF_SCRIPTS/prefetch_io.d $PERFPOOL 1" "prefetch" 73 "vmstat 1" "vmstat" "mpstat 1" "mpstat" "iostat -xcnz 1" "iostat" 74 "dtrace -s $PERF_SCRIPTS/profile.d" "profile" "kstat zfs:0 1" "kstat") 75 76log_note "Sequential cached reads with $PERF_RUNTYPE settings" 77do_fio_run sequential_reads.fio false false 78log_pass "Measure IO stats during sequential cached read load" 79