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