| #!/bin/bash |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| # Copyright (C) 2015, ARM Limited and contributors. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may |
| # not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| FREQS=$(cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq) |
| CPU=0; for F in $FREQS; do |
| echo "cpu_frequency: state=$F cpu_id=$CPU" > /sys/kernel/debug/tracing/trace_marker |
| let CPU++ |
| done |
| |