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