1#!/bin/bash
 2# SPDX-License-Identifier: GPL-2.0
 3# perf iostat
 4# Alexander Antonov <alexander.antonov@linux.intel.com>
 5
 6if [[ "$1" == "list" ]] || [[ "$1" =~ ([a-f0-9A-F]{1,}):([a-f0-9A-F]{1,2})(,)? ]]; then
 7        DELIMITER="="
 8else
 9        DELIMITER=" "
10fi
11
12perf stat --iostat$DELIMITER$*