#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: Change the ringbuffer size
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# flags: instance
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rb_size_test() {
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ORIG=`cat buffer_size_kb`
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expr $ORIG / 2 > buffer_size_kb
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expr $ORIG \* 2 > buffer_size_kb
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echo $ORIG > buffer_size_kb
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}
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rb_size_test
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: "If per-cpu buffer is supported, imbalance it"
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if [ -d per_cpu/cpu0 ]; then
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cd per_cpu/cpu0
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rb_size_test
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fi
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