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53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-12-04 tyx first implementation
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*/
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#ifndef __CPU_USAGE_H__
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#define __CPU_USAGE_H__
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#include "rtthread.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CPU_USAGE_STATE_DEACTIVATED (0x0)
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#define CPU_USAGE_STATE_ACTIVATED (0x1)
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#define CPU_USAGE_STATE_SUSPEND (0x2)
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struct cpu_usage
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{
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struct rt_timer time; /* Period timer */
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rt_uint8_t state; /* Running state */
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rt_uint8_t cpus; /* Number of CPUs */
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rt_uint16_t reserved;
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rt_tick_t suspend_tick; /* CPU suspend timestamp */
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rt_tick_t period; /* Stat Period */
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struct _idle_stat
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{
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rt_tick_t idle_tick;
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rt_tick_t last_tick;
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rt_tick_t load;
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rt_thread_t tid;
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}
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idle_stat[1];
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};
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typedef struct cpu_usage cpu_usage_t;
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int cpu_usage_init(void);
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void cpu_usage_deinit(void);
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cpu_usage_t *cpu_usage_obj(void);
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void cpu_usage_suspend(void);
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void cpu_usage_resume(void);
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float cpu_load_average(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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