File: perf-iostat.sh

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# perf iostat
# Alexander Antonov <alexander.antonov@linux.intel.com>

if [[ "$1" == "list" ]] || [[ "$1" =~ ([a-f0-9A-F]{1,}):([a-f0-9A-F]{1,2})(,)? ]]; then
        DELIMITER="="
else
        DELIMITER=" "
fi

perf stat --iostat$DELIMITER$*