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
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.
15 # Copyright (c) 2015, 2020 by Delphix. All rights reserved.
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.
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.
28 . $STF_SUITE/include/libtest.shlib
29 . $STF_SUITE/tests/perf/perf.shlib
39 trap "log_fail \"Measure IO stats during random read load\"" SIGTERM
43 populate_perf_filesystems
45 # Make sure the working set can be cached in the arc. Aim for 1/2 of arc.
46 export TOTAL_SIZE=$(($(get_max_arc_size) / 2))
48 # Variables for use by fio.
49 if [[ -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'}
59 elif [[ -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=${PERF_IOSIZES:-'128k 1m'}
71 # Layout the files to be used by the read tests. Create as many files as the
72 # largest number of threads. An fio run with fewer threads will use a subset
73 # of the available files.
74 export NUMJOBS=$(get_max $PERF_NTHREADS)
75 export FILE_SIZE=$((TOTAL_SIZE / NUMJOBS))
76 export DIRECTORY=$(get_directory)
77 log_must fio $FIO_SCRIPTS/mkfiles.fio
79 # Set up the scripts and output files that will log performance data.
80 lun_list=$(pool_to_lun_list $PERFPOOL)
81 log_note "Collecting backend IO stats with lun list $lun_list"
83 typeset perf_record_cmd="perf record -F 99 -a -g -q \
84 -o /dev/stdout -- sleep ${PERF_RUNTIME}"
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"
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"
104 log_note "Sequential cached reads with $PERF_RUNTYPE settings"
105 do_fio_run sequential_reads.fio false false
106 log_pass "Measure IO stats during sequential cached read load"