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, 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
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 for use by fio.
49if [[ -n $PERF_REGRESSION_WEEKLY ]]; then
50	export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_WEEKLY}
51	export PERF_RANDSEED=${PERF_RANDSEED:-'1234'}
52	export PERF_COMPPERCENT=${PERF_COMPPERCENT:-'66'}
53	export PERF_COMPCHUNK=${PERF_COMPCHUNK:-'4096'}
54	export PERF_RUNTYPE=${PERF_RUNTYPE:-'weekly'}
55	export PERF_NTHREADS=${PERF_NTHREADS:-'8 16 32 64'}
56	export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'}
57	export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'}
58	export PERF_IOSIZES=${PERF_IOSIZES:-'8k 64k 128k'}
59elif [[ -n $PERF_REGRESSION_NIGHTLY ]]; then
60	export PERF_RUNTIME=${PERF_RUNTIME:-$PERF_RUNTIME_NIGHTLY}
61	export PERF_RANDSEED=${PERF_RANDSEED:-'1234'}
62	export PERF_COMPPERCENT=${PERF_COMPPERCENT:-'66'}
63	export PERF_COMPCHUNK=${PERF_COMPCHUNK:-'4096'}
64	export PERF_RUNTYPE=${PERF_RUNTYPE:-'nightly'}
65	export PERF_NTHREADS=${PERF_NTHREADS:-'64 128'}
66	export PERF_NTHREADS_PER_FS=${PERF_NTHREADS_PER_FS:-'0'}
67	export PERF_SYNC_TYPES=${PERF_SYNC_TYPES:-'1'}
68	export PERF_IOSIZES=${PERF_IOSIZES:-'128k 1m'}
69fi
70
71# Layout the files to be used by the read tests. Create as many files as the
72# largest number of threads. An fio run with fewer threads will use a subset
73# of the available files.
74export NUMJOBS=$(get_max $PERF_NTHREADS)
75export FILE_SIZE=$((TOTAL_SIZE / NUMJOBS))
76export DIRECTORY=$(get_directory)
77log_must fio $FIO_SCRIPTS/mkfiles.fio
78
79# Set up the scripts and output files that will log performance data.
80lun_list=$(pool_to_lun_list $PERFPOOL)
81log_note "Collecting backend IO stats with lun list $lun_list"
82if is_linux; then
83	typeset perf_record_cmd="perf record -F 99 -a -g -q \
84	    -o /dev/stdout -- sleep ${PERF_RUNTIME}"
85
86	export collect_scripts=(
87	    "zpool iostat -lpvyL $PERFPOOL 1" "zpool.iostat"
88	    "$PERF_SCRIPTS/prefetch_io.sh $PERFPOOL 1" "prefetch"
89	    "vmstat -t 1" "vmstat"
90	    "mpstat -P ALL 1" "mpstat"
91	    "iostat -tdxyz 1" "iostat"
92	    "$perf_record_cmd" "perf"
93	)
94else
95	export collect_scripts=(
96	    "$PERF_SCRIPTS/io.d $PERFPOOL $lun_list 1" "io"
97	    "$PERF_SCRIPTS/prefetch_io.d $PERFPOOL 1" "prefetch"
98	    "vmstat -T d 1" "vmstat"
99	    "mpstat -T d 1" "mpstat"
100	    "iostat -T d -xcnz 1" "iostat"
101	)
102fi
103
104log_note "Sequential cached reads with $PERF_RUNTYPE settings"
105do_fio_run sequential_reads.fio false false
106log_pass "Measure IO stats during sequential cached read load"
107