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) 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# This is basically a copy of the sequential_reads_cached test case, but with 28# a smaller dateset so that we can fit everything into the decompressed, linear 29# space in the dbuf cache. 30# 31 32. $STF_SUITE/include/libtest.shlib 33. $STF_SUITE/tests/perf/perf.shlib 34 35function cleanup 36{ 37 recreate_perf_pool 38} 39 40log_onexit cleanup 41 42recreate_perf_pool 43populate_perf_filesystems 44 45# Ensure the working set can be cached in the dbuf cache. 46export TOTAL_SIZE=$(($(get_max_dbuf_cache_size) * 3 / 4)) 47 48# Variables for use by fio. 49if [[ -n $PERF_REGRESSION_WEEKLY ]]; then 50 export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_WEEKLY} 51 export PERF_RUNTYPE=${PERF_RUNTYPE:-'weekly'} 52 export PERF_NTHREADS=${PERF_NTHREADS:-'8 16 32 64'} 53 export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'} 54 export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'} 55 export PERF_IOSIZES=${PERF_IOSIZES:-'8k 64k 128k'} 56elif [[ -n $PERF_REGRESSION_NIGHTLY ]]; then 57 export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_NIGHTLY} 58 export PERF_RUNTYPE=${PERF_RUNTYPE:-'nightly'} 59 export PERF_NTHREADS=${PERF_NTHREADS:-'64'} 60 export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'} 61 export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'} 62 export PERF_IOSIZES=${PERF_IOSIZES:-'64k'} 63fi 64 65# Layout the files to be used by the read tests. Create as many files as the 66# largest number of threads. An fio run with fewer threads will use a subset 67# of the available files. 68export NUMJOBS=$(get_max $PERF_NTHREADS) 69export FILE_SIZE=$((TOTAL_SIZE / NUMJOBS)) 70export DIRECTORY=$(get_directory) 71log_must fio $FIO_SCRIPTS/mkfiles.fio 72 73# Set up the scripts and output files that will log performance data. 74lun_list=$(pool_to_lun_list $PERFPOOL) 75log_note "Collecting backend IO stats with lun list $lun_list" 76export collect_scripts=( 77 "kstat zfs:0 1" "kstat" 78 "vmstat 1" "vmstat" 79 "mpstat 1" "mpstat" 80 "iostat -xcnz 1" "iostat" 81 "dtrace -Cs $PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" "io" 82 "dtrace -Cs $PERF_SCRIPTS/prefetch_io.d $PERFPOOL 1" "prefetch" 83 "dtrace -s $PERF_SCRIPTS/profile.d" "profile" 84) 85 86log_note "Sequential cached reads with $PERF_RUNTYPE settings" 87do_fio_run sequential_reads.fio false false 88log_pass "Measure IO stats during sequential cached read load" 89