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_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. $STF_SUITE/tests/perf/perf.shlib 30 31function cleanup 32{ 33 # kill fio and iostat 34 pkill fio 35 pkill iostat 36 recreate_perf_pool 37} 38 39trap "log_fail \"Measure IO stats during random read load\"" SIGTERM 40log_onexit cleanup 41 42recreate_perf_pool 43populate_perf_filesystems 44 45# Make sure the working set can be cached in the arc. Aim for 1/2 of arc. 46export TOTAL_SIZE=$(($(get_max_arc_size) / 2)) 47 48# Variables specific to this test for use by fio. 49export PERF_NTHREADS=${PERF_NTHREADS:-'64 128'} 50export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'} 51export PERF_IOSIZES=${PERF_IOSIZES:-'128k'} 52export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'} 53 54# Layout the files to be used by the read tests. Create as many files as the 55# largest number of threads. An fio run with fewer threads will use a subset 56# of the available files. 57export NUMJOBS=$(get_max $PERF_NTHREADS) 58export FILE_SIZE=$((TOTAL_SIZE / NUMJOBS)) 59export DIRECTORY=$(get_directory) 60log_must fio $FIO_SCRIPTS/mkfiles.fio 61 62# Set up the scripts and output files that will log performance data. 63lun_list=$(pool_to_lun_list $PERFPOOL) 64log_note "Collecting backend IO stats with lun list $lun_list" 65if is_linux; then 66 typeset perf_record_cmd="perf record -F 99 -a -g -q \ 67 -o /dev/stdout -- sleep ${PERF_RUNTIME}" 68 69 export collect_scripts=( 70 "zpool iostat -lpvyL $PERFPOOL 1" "zpool.iostat" 71 "$PERF_SCRIPTS/prefetch_io.sh $PERFPOOL 1" "prefetch" 72 "vmstat -t 1" "vmstat" 73 "mpstat -P ALL 1" "mpstat" 74 "iostat -tdxyz 1" "iostat" 75 "$perf_record_cmd" "perf" 76 ) 77else 78 export collect_scripts=( 79 "$PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" "io" 80 "$PERF_SCRIPTS/prefetch_io.d $PERFPOOL 1" "prefetch" 81 "vmstat -T d 1" "vmstat" 82 "mpstat -T d 1" "mpstat" 83 "iostat -T d -xcnz 1" "iostat" 84 ) 85fi 86 87log_note "Sequential cached reads with settings: $(print_perf_settings)" 88do_fio_run sequential_reads.fio false false 89log_pass "Measure IO stats during sequential cached read load" 90