23 lines
376 B
Bash
23 lines
376 B
Bash
#!/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
|