| /* |
| * Copyright (c) 2012-2013,2015-2017, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <cutils/properties.h> |
| |
| typedef struct { |
| char value[PROP_VALUE_MAX]; |
| } PropVal; |
| |
| int sysfs_read(const char* path, char* s, int num_bytes); |
| int sysfs_write(const char* path, char* s); |
| int get_scaling_governor(char governor[], int size); |
| int get_scaling_governor_check_cores(char governor[], int size, int core_num); |
| int is_interactive_governor(char*); |
| int is_schedutil_governor(char*); |
| |
| int perform_hint_action(int hint_id, int resource_values[], int num_resources); |
| void undo_hint_action(int hint_id); |
| void undo_initial_hint_action(); |
| void release_request(int lock_handle); |
| void interaction(int duration, int num_args, int opt_list[]); |
| int interaction_with_handle(int lock_handle, int duration, int num_args, int opt_list[]); |
| int perf_hint_enable(int hint_id, int duration); |
| int perf_hint_enable_with_type(int hint_id, int duration, int type); |
| |
| long long calc_timespan_us(struct timespec start, struct timespec end); |
| int get_soc_id(void); |
| |
| PropVal perf_get_property(const char* prop, const char* def_val); |