xref: /illumos-gate/usr/src/test/zfs-tests/tests/perf/regression/random_writes.ksh (revision 03270635d68df6a0392fb8f4b7c04acad764648b) 
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 random_writes 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# Prior to each fio run the dataset is recreated, and fio writes new files
25# into an otherwise empty pool.
26#
27# Thread/Concurrency settings:
28#    PERF_NTHREADS defines the number of files created in the test filesystem,
29#    as well as the number of threads that will simultaneously drive IO to
30#    those files.  The settings chosen are from measurements in the
31#    PerfAutoESX/ZFSPerfESX Environments, selected at concurrency levels that
32#    are at peak throughput but lowest latency.  Higher concurrency introduces
33#    queue time latency and would reduce the impact of code-induced performance
34#    regressions.
35#
36
37. $STF_SUITE/include/libtest.shlib
38. $STF_SUITE/tests/perf/perf.shlib
39
40function cleanup
41{
42	recreate_perf_pool
43}
44
45log_onexit cleanup
46
47recreate_perf_pool
48populate_perf_filesystems
49
50# Aim to fill the pool to 50% capacity while accounting for a 3x compressratio.
51export TOTAL_SIZE=$(($(get_prop avail $PERFPOOL) * 3 / 2))
52
53# Variables for use by fio.
54if [[ -n $PERF_REGRESSION_WEEKLY ]]; then
55	export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_WEEKLY}
56	export PERF_RUNTYPE=${PERF_RUNTYPE:-'weekly'}
57	export PERF_NTHREADS=${PERF_NTHREADS:-'1 4 8 16 32 64 128'}
58	export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'}
59	export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'0 1'}
60	export PERF_IOSIZES=${PERF_IOSIZES:-'8k 64k 256k'}
61elif [[ -n $PERF_REGRESSION_NIGHTLY ]]; then
62	export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_NIGHTLY}
63	export PERF_RUNTYPE=${PERF_RUNTYPE:-'nightly'}
64	export PERF_NTHREADS=${PERF_NTHREADS:-'32 128'}
65	export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'}
66	export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'}
67	export PERF_IOSIZES=${PERF_IOSIZES:-'8k'}
68fi
69
70# Set up the scripts and output files that will log performance data.
71lun_list=$(pool_to_lun_list $PERFPOOL)
72log_note "Collecting backend IO stats with lun list $lun_list"
73export collect_scripts=(
74    "kstat zfs:0 1"  "kstat"
75    "vmstat -T d 1"       "vmstat"
76    "mpstat -T d 1"       "mpstat"
77    "iostat -T d -xcnz 1" "iostat"
78    "dtrace -Cs $PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" "io"
79    "dtrace  -s $PERF_SCRIPTS/profile.d"                  "profile"
80)
81
82log_note "Random writes with $PERF_RUNTYPE settings"
83do_fio_run random_writes.fio true false
84log_pass "Measure IO stats during random write load"
85