86 lines
3.3 KiB
Bash
Executable File
86 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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# this script requires fio bc jq
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type fio bc jq > /dev/null || exit
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# Directory to test
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TEST_DIR=$1
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# Parameters for the tests should be representive of the workload you want to simulate
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BS="1M" # Block size
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IOENGINE="libaio" # IO engine
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IODEPTH="16" # IO depth sets how many I/O requests a single job can handle at once
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DIRECT="1" # Direct IO at 0 is buffered with RAM which may skew results and I/O 1 is unbuffered
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NUMJOBS="5" # Number of jobs is how many independent I/O streams are being sent to the storage
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FSYNC="0" # Fsync 0 leaves flushing up to Linux 1 force write commits to disk
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NUMFILES="5" # Number of files is number of independent I/O threads or processes that FIO will spawn
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FILESIZE="1G" # File size for the tests, you can use: K M G
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# Check if directory is provided
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if [ -z "$TEST_DIR" ]; then
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echo "Usage: $0 [directory]"
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exit 1
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fi
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# Function to perform FIO test and display average output
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perform_test() {
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RW_TYPE=$1
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echo "Running $RW_TYPE test with block size $BS, ioengine $IOENGINE, iodepth $IODEPTH, direct $DIRECT, numjobs $NUMJOBS, fsync $FSYNC, using $NUMFILES files of size $FILESIZE on $TEST_DIR"
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# Initialize variables to store cumulative values
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TOTAL_READ_IOPS=0
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TOTAL_WRITE_IOPS=0
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TOTAL_READ_BW=0
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TOTAL_WRITE_BW=0
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for ((i=1; i<=NUMFILES; i++)); do
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TEST_FILE="$TEST_DIR/fio_test_file_$i"
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# Running FIO for each file and parsing output
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OUTPUT=$(fio --name=test_$i \
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--filename=$TEST_FILE \
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--rw=$RW_TYPE \
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--bs=$BS \
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--ioengine=$IOENGINE \
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--iodepth=$IODEPTH \
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--direct=$DIRECT \
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--numjobs=$NUMJOBS \
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--fsync=$FSYNC \
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--size=$FILESIZE \
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--group_reporting \
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--output-format=json)
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# Accumulate values
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TOTAL_READ_IOPS=$(echo $OUTPUT | jq '.jobs[0].read.iops + '"$TOTAL_READ_IOPS")
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TOTAL_WRITE_IOPS=$(echo $OUTPUT | jq '.jobs[0].write.iops + '"$TOTAL_WRITE_IOPS")
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TOTAL_READ_BW=$(echo $OUTPUT | jq '(.jobs[0].read.bw / 1024) + '"$TOTAL_READ_BW")
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TOTAL_WRITE_BW=$(echo $OUTPUT | jq '(.jobs[0].write.bw / 1024) + '"$TOTAL_WRITE_BW")
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done
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# Calculate averages
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AVG_READ_IOPS=$(echo "$TOTAL_READ_IOPS / $NUMFILES" | bc -l)
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AVG_WRITE_IOPS=$(echo "$TOTAL_WRITE_IOPS / $NUMFILES" | bc -l)
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AVG_READ_BW=$(echo "$TOTAL_READ_BW / $NUMFILES" | bc -l)
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AVG_WRITE_BW=$(echo "$TOTAL_WRITE_BW / $NUMFILES" | bc -l)
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# Format and print averages, omitting 0 results
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[ "$(echo "$AVG_READ_IOPS > 0" | bc)" -eq 1 ] && printf "Average Read IOPS: %'.2f\n" $AVG_READ_IOPS
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[ "$(echo "$AVG_WRITE_IOPS > 0" | bc)" -eq 1 ] && printf "Average Write IOPS: %'.2f\n" $AVG_WRITE_IOPS
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[ "$(echo "$AVG_READ_BW > 0" | bc)" -eq 1 ] && printf "Average Read Bandwidth (MB/s): %'.2f\n" $AVG_READ_BW
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[ "$(echo "$AVG_WRITE_BW > 0" | bc)" -eq 1 ] && printf "Average Write Bandwidth (MB/s): %'.2f\n" $AVG_WRITE_BW
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}
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# Run tests
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perform_test randwrite
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perform_test randread
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perform_test write
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perform_test read
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perform_test readwrite
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# Clean up
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for ((i=1; i<=NUMFILES; i++)); do
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rm "$TEST_DIR/fio_test_file_$i"
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done
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