cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

ringbuffer_size.tc (376B)

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