2 # This file and its contents are supplied under the terms of the
3 # Common Development and Distribution License ("CDDL"), version 1.0.
4 # You may only use this file in accordance with the terms of version
7 # A full copy of the text of the CDDL should have accompanied this
8 # source. A copy of the CDDL is also available via the Internet at
9 # http://www.illumos.org/license/CDDL.
13 # Copyright (c) 2015, 2016 by Delphix. All rights reserved.
16 . $STF_SUITE/include/libtest.shlib
18 # If neither is specified, do a nightly run.
19 [[ -z $PERF_REGRESSION_WEEKLY ]] && export PERF_REGRESSION_NIGHTLY=1
21 # Default runtime for each type of test run.
22 export PERF_RUNTIME_WEEKLY=$((30 * 60))
23 export PERF_RUNTIME_NIGHTLY=$((10 * 60))
25 # Default fs creation options
26 export PERF_FS_OPTS=${PERF_FS_OPTS:-'-o recsize=8k -o compress=lz4' \
27 ' -o checksum=sha256 -o redundant_metadata=most'}
34 [[ $sync -eq 0 ]] && sync_str='async'
35 [[ $sync -eq 1 ]] && sync_str='sync'
40 # This function will run fio in a loop, according to the .fio file passed
41 # in and a number of environment variables. The following variables can be
42 # set before launching zfstest to override the defaults.
44 # PERF_RUNTIME: The time in seconds each fio invocation should run.
45 # PERF_RUNTYPE: A human readable tag that appears in logs. The defaults are
47 # PERF_NTHREADS: A list of how many threads each fio invocation will use.
48 # PERF_SYNC_TYPES: Whether to use (O_SYNC) or not. 1 is sync IO, 0 is async IO.
49 # PERF_IOSIZES: A list of blocksizes in which each fio invocation will do IO.
50 # PERF_COLLECT_SCRIPTS: A comma delimited list of 'command args, logfile_tag'
51 # pairs that will be added to the scripts specified in each test.
56 typeset do_recreate=$2
57 typeset clear_cache=$3
58 typeset threads sync iosize
60 for threads in $PERF_NTHREADS; do
61 for sync in $PERF_SYNC_TYPES; do
62 for iosize in $PERF_IOSIZES; do
63 typeset sync_str=$(get_sync_str $sync)
64 log_note "Running with $threads" \
65 "$sync_str threads, $iosize ios"
69 log_must zfs create $PERF_FS_OPTS \
75 zpool export $PERFPOOL
76 zpool import $PERFPOOL
79 export RUNTIME=$PERF_RUNTIME
80 export FILESIZE=$((TOTAL_SIZE / threads))
81 export NUMJOBS=$threads
82 export SYNC_TYPE=$sync
83 export BLOCKSIZE=$iosize
86 # Start the data collection
87 do_collect_scripts $threads $sync $iosize
89 # This will be part of the output filename.
90 typeset suffix="$sync_str.$iosize-ios.$threads-threads"
93 typeset logbase="$(get_perf_output_dir)/$(basename \
95 typeset outfile="$logbase.fio.$suffix"
98 log_must fio --output $outfile $FIO_SCRIPTS/$script
105 # This function iterates through the value pairs in $PERF_COLLECT_SCRIPTS.
106 # The script at index N is launched in the background, with its output
107 # redirected to a logfile containing the tag specified at index N + 1.
109 function do_collect_scripts
115 [[ -n $collect_scripts ]] || log_fail "No data collection scripts."
116 [[ -n $PERF_RUNTIME ]] || log_fail "No runtime specified."
118 # This will be part of the output filename.
119 typeset sync_str=$(get_sync_str $sync)
120 typeset suffix="$sync_str.$iosize-ios.$threads-threads"
122 # Add in user supplied scripts and logfiles, if any.
125 for item in $PERF_COLLECT_SCRIPTS; do
126 collect_scripts+=($(echo $item | sed 's/^ *//g'))
131 while [[ $idx -lt "${#collect_scripts[@]}" ]]; do
132 typeset logbase="$(get_perf_output_dir)/$(basename \
134 typeset outfile="$logbase.${collect_scripts[$idx + 1]}.$suffix"
136 timeout $PERF_RUNTIME ${collect_scripts[$idx]} >$outfile 2>&1 &
140 # Need to explicitly return 0 because timeout(1) will kill
141 # a child process and cause us to return non-zero.
145 # Find a place to deposit performance data collected while under load.
146 function get_perf_output_dir
148 typeset dir="$(pwd)/perf_data"
149 [[ -d $dir ]] || mkdir -p $dir
155 # Destroy and create the pool used for performance tests. The
156 # PERFPOOL_CREATE_CMD variable allows users to test with a custom pool
157 # configuration by specifying the pool creation command in their environment.
158 # If PERFPOOL_CREATE_CMD is empty, a pool using all available disks is created.
160 function recreate_perfpool
162 [[ -n $PERFPOOL ]] || log_fail "The \$PERFPOOL variable isn't set."
164 poolexists $PERFPOOL && destroy_pool $PERFPOOL
166 if [[ -n $PERFPOOL_CREATE_CMD ]]; then
167 log_must $PERFPOOL_CREATE_CMD
169 log_must eval "zpool create -f $PERFPOOL $DISKS"
173 function get_max_arc_size
175 typeset -l max_arc_size=$(dtrace -qn 'BEGIN {
176 printf("%u\n", `arc_stats.arcstat_c_max.value.ui64);
180 [[ $? -eq 0 ]] || log_fail "get_max_arc_size failed"
185 function get_max_dbuf_cache_size
187 typeset -l max_dbuf_cache_size=$(dtrace -qn 'BEGIN {
188 printf("%u\n", `dbuf_cache_max_bytes);
192 [[ $? -eq 0 ]] || log_fail "get_max_dbuf_cache_size failed"
194 echo $max_dbuf_cache_size
197 # Create a file with some information about how this system is configured.
198 function get_system_config
200 typeset config=$PERF_DATA_DIR/$1
204 printf(" \"ncpus\": %d,\n", `ncpus);
205 printf(" \"physmem\": %u,\n", `physmem * `_pagesize);
206 printf(" \"c_max\": %u,\n", `arc_stats.arcstat_c_max.value.ui64);
207 printf(" \"kmem_flags\": \"0x%x\",", `kmem_flags);
209 echo " \"hostname\": \"$(uname -n)\"," >>$config
210 echo " \"kernel version\": \"$(uname -v)\"," >>$config
211 iostat -En | awk 'BEGIN {
212 printf(" \"disks\": {\n"); first = 1}
214 /^Size: [^0]/ {size = $2;
215 if (first != 1) {printf(",\n")} else {first = 0}
216 printf(" \"%s\": \"%s\"", disk, size)}
217 END {printf("\n },\n")}' >>$config
218 sed -n 's/^set \(.*\)[ ]=[ ]\(.*\)/\1=\2/p' /etc/system | \
219 awk -F= 'BEGIN {printf(" \"system\": {\n"); first = 1}
220 {if (first != 1) {printf(",\n")} else {first = 0};
221 printf(" \"%s\": %s", $1, $2)}
222 END {printf("\n }\n")}' >>$config
226 function num_jobs_by_cpu
228 typeset ncpu=$(psrinfo | wc -l)
229 typeset num_jobs=$ncpu
231 [[ $ncpu -gt 8 ]] && num_jobs=$(echo "$ncpu * 3 / 4" | bc)
236 function pool_to_lun_list
239 typeset ctd ctds devname lun
242 ctds=$(zpool list -v $pool | awk '/c[0-9]*t[0-9a-fA-F]*d[0-9]*/ \
246 # Get the device name as it appears in /etc/path_to_inst
247 devname=$(readlink -f /dev/dsk/${ctd}s0 | sed -n \
248 's/\/devices\([^:]*\):.*/\1/p')
249 # Add a string composed of the driver name and instance
250 # number to the list for comparison with dev_statname.
251 lun=$(sed 's/"//g' /etc/path_to_inst | grep $devname | awk \
253 lun_list="$lun_list$lun:"
258 # Create a perf_data directory to hold performance statistics and
259 # configuration information.
260 export PERF_DATA_DIR=$(get_perf_output_dir)
261 [[ -f $PERF_DATA_DIR/config.json ]] || get_system_config config.json