47 lines
805 B
Bash
47 lines
805 B
Bash
#!/bin/sh
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defaults () {
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if [ -z $DISK_IO_MOUNTPOINT ]; then
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if is_osx; then
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DISK_IO_MOUNTPOINT="disk0"
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else
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DISK_IO_MOUNTPOINT="/dev/vda"
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fi
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fi
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}
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start () {
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readonly fifo=$TEMP_DIR/$(unique_id)
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mkfifo $fifo
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if is_osx; then
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bg_proc () {
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iostat -K -d -w $INTERVAL $DISK_IO_MOUNTPOINT | while read line; do
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echo $line | awk '{ print $3 }' > $fifo
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done
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}
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else
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bg_proc () {
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iostat -y -m -d $INTERVAL $DISK_IO_MOUNTPOINT | while read line; do
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echo $line | awk '/[0-9.]/{ print $3 }' > $fifo
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done
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}
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fi
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bg_proc &
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}
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collect () {
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report $(cat $fifo)
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}
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stop () {
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if [ ! -z $fifo ] && [ -p $fifo ]; then
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rm $fifo
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fi
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}
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docs () {
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echo "Disk I/O in MB/s."
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echo "DISK_IO_MOUNTPOINT=$DISK_IO_MOUNTPOINT"
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} |