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) 2016, 2020 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 dataset 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. $STF_SUITE/tests/perf/perf.shlib 34 35function cleanup 36{ 37 # kill fio and iostat 38 pkill fio 39 pkill iostat 40 recreate_perf_pool 41} 42 43trap "log_fail \"Measure IO stats during sequential read load\"" SIGTERM 44log_onexit cleanup 45 46recreate_perf_pool 47populate_perf_filesystems 48 49# Ensure the working set can be cached in the dbuf cache. 50export TOTAL_SIZE=$(($(get_max_dbuf_cache_size) * 3 / 4)) 51 52# Variables for use by fio. 53if [[ -n $PERF_REGRESSION_WEEKLY ]]; then 54 export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_WEEKLY} 55 export PERF_RANDSEED=${PERF_RANDSEED:-'1234'} 56 export PERF_COMPPERCENT=${PERF_COMPPERCENT:-'66'} 57 export PERF_COMPCHUNK=${PERF_COMPCHUNK:-'4096'} 58 export PERF_RUNTYPE=${PERF_RUNTYPE:-'weekly'} 59 export PERF_NTHREADS=${PERF_NTHREADS:-'8 16 32 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:-'8k 64k 128k'} 63elif [[ -n $PERF_REGRESSION_NIGHTLY ]]; then 64 export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_NIGHTLY} 65 export PERF_RANDSEED=${PERF_RANDSEED:-'1234'} 66 export PERF_COMPPERCENT=${PERF_COMPPERCENT:-'66'} 67 export PERF_COMPCHUNK=${PERF_COMPCHUNK:-'4096'} 68 export PERF_RUNTYPE=${PERF_RUNTYPE:-'nightly'} 69 export PERF_NTHREADS=${PERF_NTHREADS:-'64'} 70 export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'} 71 export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'} 72 export PERF_IOSIZES=${PERF_IOSIZES:-'64k'} 73fi 74 75# Layout the files to be used by the read tests. Create as many files as the 76# largest number of threads. An fio run with fewer threads will use a subset 77# of the available files. 78export NUMJOBS=$(get_max $PERF_NTHREADS) 79export FILE_SIZE=$((TOTAL_SIZE / NUMJOBS)) 80export DIRECTORY=$(get_directory) 81log_must fio $FIO_SCRIPTS/mkfiles.fio 82 83# Set up the scripts and output files that will log performance data. 84lun_list=$(pool_to_lun_list $PERFPOOL) 85log_note "Collecting backend IO stats with lun list $lun_list" 86if is_linux; then 87 typeset perf_record_cmd="perf record -F 99 -a -g -q \ 88 -o /dev/stdout -- sleep ${PERF_RUNTIME}" 89 90 export collect_scripts=( 91 "zpool iostat -lpvyL $PERFPOOL 1" "zpool.iostat" 92 "$PERF_SCRIPTS/prefetch_io.sh $PERFPOOL 1" "prefetch" 93 "vmstat -t 1" "vmstat" 94 "mpstat -P ALL 1" "mpstat" 95 "iostat -tdxyz 1" "iostat" 96 "$perf_record_cmd" "perf" 97 ) 98else 99 export collect_scripts=( 100 "kstat zfs:0 1" "kstat" 101 "vmstat -T d 1" "vmstat" 102 "mpstat -T d 1" "mpstat" 103 "iostat -T d -xcnz 1" "iostat" 104 "dtrace -Cs $PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" "io" 105 "dtrace -Cs $PERF_SCRIPTS/prefetch_io.d $PERFPOOL 1" "prefetch" 106 "dtrace -s $PERF_SCRIPTS/profile.d" "profile" 107 ) 108fi 109 110log_note "Sequential cached reads with $PERF_RUNTYPE settings" 111do_fio_run sequential_reads.fio false false 112log_pass "Measure IO stats during sequential cached read load" 113