diff options
Diffstat (limited to 'tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached.ksh')
| -rwxr-xr-x | tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached.ksh | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached.ksh b/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached.ksh new file mode 100755 index 000000000000..d44e37f3eaaf --- /dev/null +++ b/tests/zfs-tests/tests/perf/regression/sequential_reads_arc_cached.ksh @@ -0,0 +1,106 @@ +#!/bin/ksh + +# +# This file and its contents are supplied under the terms of the +# Common Development and Distribution License ("CDDL"), version 1.0. +# You may only use this file in accordance with the terms of version +# 1.0 of the CDDL. +# +# A full copy of the text of the CDDL should have accompanied this +# source. A copy of the CDDL is also available via the Internet at +# http://www.illumos.org/license/CDDL. +# + +# +# Copyright (c) 2015, 2020 by Delphix. All rights reserved. +# + +# +# Description: +# Trigger fio runs using the sequential_reads job file. The number of runs and +# data collected is determined by the PERF_* variables. See do_fio_run for +# details about these variables. +# +# The files to read from are created prior to the first fio run, and used +# for all fio runs. The ARC is not cleared to ensure that all data is cached. +# + +. $STF_SUITE/include/libtest.shlib +. $STF_SUITE/tests/perf/perf.shlib + +function cleanup +{ + # kill fio and iostat + pkill fio + pkill iostat + recreate_perf_pool +} + +trap "log_fail \"Measure IO stats during random read load\"" SIGTERM +log_onexit cleanup + +recreate_perf_pool +populate_perf_filesystems + +# Make sure the working set can be cached in the arc. Aim for 1/2 of arc. +export TOTAL_SIZE=$(($(get_max_arc_size) / 2)) + +# Variables for use by fio. +if [[ -n $PERF_REGRESSION_WEEKLY ]]; then + export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_WEEKLY} + export PERF_RANDSEED=${PERF_RANDSEED:-'1234'} + export PERF_COMPPERCENT=${PERF_COMPPERCENT:-'66'} + export PERF_COMPCHUNK=${PERF_COMPCHUNK:-'4096'} + export PERF_RUNTYPE=${PERF_RUNTYPE:-'weekly'} + export PERF_NTHREADS=${PERF_NTHREADS:-'8 16 32 64'} + export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'} + export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'} + export PERF_IOSIZES=${PERF_IOSIZES:-'8k 64k 128k'} +elif [[ -n $PERF_REGRESSION_NIGHTLY ]]; then + export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_NIGHTLY} + export PERF_RANDSEED=${PERF_RANDSEED:-'1234'} + export PERF_COMPPERCENT=${PERF_COMPPERCENT:-'66'} + export PERF_COMPCHUNK=${PERF_COMPCHUNK:-'4096'} + export PERF_RUNTYPE=${PERF_RUNTYPE:-'nightly'} + export PERF_NTHREADS=${PERF_NTHREADS:-'64 128'} + export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'} + export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'} + export PERF_IOSIZES=${PERF_IOSIZES:-'128k 1m'} +fi + +# Layout the files to be used by the read tests. Create as many files as the +# largest number of threads. An fio run with fewer threads will use a subset +# of the available files. +export NUMJOBS=$(get_max $PERF_NTHREADS) +export FILE_SIZE=$((TOTAL_SIZE / NUMJOBS)) +export DIRECTORY=$(get_directory) +log_must fio $FIO_SCRIPTS/mkfiles.fio + +# Set up the scripts and output files that will log performance data. +lun_list=$(pool_to_lun_list $PERFPOOL) +log_note "Collecting backend IO stats with lun list $lun_list" +if is_linux; then + typeset perf_record_cmd="perf record -F 99 -a -g -q \ + -o /dev/stdout -- sleep ${PERF_RUNTIME}" + + export collect_scripts=( + "zpool iostat -lpvyL $PERFPOOL 1" "zpool.iostat" + "$PERF_SCRIPTS/prefetch_io.sh $PERFPOOL 1" "prefetch" + "vmstat -t 1" "vmstat" + "mpstat -P ALL 1" "mpstat" + "iostat -tdxyz 1" "iostat" + "$perf_record_cmd" "perf" + ) +else + export collect_scripts=( + "$PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" "io" + "$PERF_SCRIPTS/prefetch_io.d $PERFPOOL 1" "prefetch" + "vmstat -T d 1" "vmstat" + "mpstat -T d 1" "mpstat" + "iostat -T d -xcnz 1" "iostat" + ) +fi + +log_note "Sequential cached reads with $PERF_RUNTYPE settings" +do_fio_run sequential_reads.fio false false +log_pass "Measure IO stats during sequential cached read load" |