1*c21ceceaSMasami Hiramatsu#!/bin/sh 2*c21ceceaSMasami Hiramatsu# SPDX-License-Identifier: GPL-2.0 3*c21ceceaSMasami Hiramatsu# description: Change the ringbuffer size 4*c21ceceaSMasami Hiramatsu# flags: instance 5*c21ceceaSMasami Hiramatsu 6*c21ceceaSMasami Hiramatsurb_size_test() { 7*c21ceceaSMasami HiramatsuORIG=`cat buffer_size_kb` 8*c21ceceaSMasami Hiramatsu 9*c21ceceaSMasami Hiramatsuexpr $ORIG / 2 > buffer_size_kb 10*c21ceceaSMasami Hiramatsu 11*c21ceceaSMasami Hiramatsuexpr $ORIG \* 2 > buffer_size_kb 12*c21ceceaSMasami Hiramatsu 13*c21ceceaSMasami Hiramatsuecho $ORIG > buffer_size_kb 14*c21ceceaSMasami Hiramatsu} 15*c21ceceaSMasami Hiramatsu 16*c21ceceaSMasami Hiramatsurb_size_test 17*c21ceceaSMasami Hiramatsu 18*c21ceceaSMasami Hiramatsu: "If per-cpu buffer is supported, imbalance it" 19*c21ceceaSMasami Hiramatsuif [ -d per_cpu/cpu0 ]; then 20*c21ceceaSMasami Hiramatsu cd per_cpu/cpu0 21*c21ceceaSMasami Hiramatsu rb_size_test 22*c21ceceaSMasami Hiramatsufi 23