#!/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_testfi
#!/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