| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright (c) 2019 MediaTek Inc. |
| 4 | */ |
| 5 | |
| 6 | #ifndef _SAMPLER_H_ |
| 7 | #define _SAMPLER_H_ |
| 8 | |
| 9 | /* |
| 10 | * sampling rate: 1ms |
| 11 | * log generating rate: 10ms |
| 12 | */ |
| 13 | #if 0 |
| 14 | #define DEFAULT_TIMER_EXPIRE (HZ / 100) |
| 15 | #define DEFAULT_HRTIMER_EXPIRE (TICK_NSEC / 10) |
| 16 | #else |
| 17 | extern int met_timer_expire; /* in jiffies */ |
| 18 | extern int met_hrtimer_expire; /* in us */ |
| 19 | #define DEFAULT_TIMER_EXPIRE (met_timer_expire) |
| 20 | #define DEFAULT_HRTIMER_EXPIRE (met_hrtimer_expire) |
| 21 | #endif |
| 22 | /* |
| 23 | * sampling rate: 10ms |
| 24 | * log generating rate: 100ms |
| 25 | */ |
| 26 | /* #define DEFAULT_TIMER_EXPIRE (HZ / 10) */ |
| 27 | /* #define DEFAULT_HRTIMER_EXPIRE (TICK_NSEC / 1) */ |
| 28 | |
| 29 | int met_hrtimer_start(void); |
| 30 | void met_hrtimer_stop(void); |
| 31 | int sampler_start(void); |
| 32 | void sampler_stop(void); |
| 33 | |
| 34 | extern struct list_head met_list; |
| 35 | extern void add_cookie(struct pt_regs *regs, int cpu); |
| 36 | extern int met_hrtimer_suspend(void); |
| 37 | extern void met_hrtimer_resume(void); |
| 38 | extern void met_event_timer_notify(void); |
| 39 | |
| 40 | #if IS_ENABLED(CONFIG_CPU_FREQ) |
| 41 | #include "power.h" |
| 42 | #endif |
| 43 | |
| 44 | #endif /* _SAMPLER_H_ */ |