| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (c) 2019 MediaTek Inc. |
| */ |
| |
| #ifndef _SAMPLER_H_ |
| #define _SAMPLER_H_ |
| |
| /* |
| * sampling rate: 1ms |
| * log generating rate: 10ms |
| */ |
| #if 0 |
| #define DEFAULT_TIMER_EXPIRE (HZ / 100) |
| #define DEFAULT_HRTIMER_EXPIRE (TICK_NSEC / 10) |
| #else |
| extern int met_timer_expire; /* in jiffies */ |
| extern int met_hrtimer_expire; /* in us */ |
| #define DEFAULT_TIMER_EXPIRE (met_timer_expire) |
| #define DEFAULT_HRTIMER_EXPIRE (met_hrtimer_expire) |
| #endif |
| /* |
| * sampling rate: 10ms |
| * log generating rate: 100ms |
| */ |
| /* #define DEFAULT_TIMER_EXPIRE (HZ / 10) */ |
| /* #define DEFAULT_HRTIMER_EXPIRE (TICK_NSEC / 1) */ |
| |
| int met_hrtimer_start(void); |
| void met_hrtimer_stop(void); |
| int sampler_start(void); |
| void sampler_stop(void); |
| |
| extern struct list_head met_list; |
| extern void add_cookie(struct pt_regs *regs, int cpu); |
| extern int met_hrtimer_suspend(void); |
| extern void met_hrtimer_resume(void); |
| extern void met_event_timer_notify(void); |
| |
| #if IS_ENABLED(CONFIG_CPU_FREQ) |
| #include "power.h" |
| #endif |
| |
| #endif /* _SAMPLER_H_ */ |