#include "los_typedef.h"

los_perf.h 的引用(Include)关系图:

此图展示该文件直接或间接的被哪些文件引用了:

宏定义
#define	PERF_MAX_FILTER_TSKS 32

#define	PERF_MAX_EVENT 7

#define	PERF_MAX_CALLCHAIN_DEPTH 10

#define	PERF_BUFFER_WATERMARK_ONE_N 2

#define	LOS_ERRNO_PERF_STATUS_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_PERF, 0x00)

#define	LOS_ERRNO_PERF_HW_INIT_ERROR LOS_ERRNO_OS_ERROR(LOS_MOD_PERF, 0x01)

#define	LOS_ERRNO_PERF_TIMED_INIT_ERROR LOS_ERRNO_OS_ERROR(LOS_MOD_PERF, 0x02)

#define	LOS_ERRNO_PERF_SW_INIT_ERROR LOS_ERRNO_OS_ERROR(LOS_MOD_PERF, 0x03)

#define	LOS_ERRNO_PERF_BUF_ERROR LOS_ERRNO_OS_ERROR(LOS_MOD_PERF, 0x04)

#define	LOS_ERRNO_PERF_INVALID_PMU LOS_ERRNO_OS_ERROR(LOS_MOD_PERF, 0x05)

#define	LOS_ERRNO_PERF_PMU_CONFIG_ERROR LOS_ERRNO_OS_ERROR(LOS_MOD_PERF, 0x06)

#define	LOS_ERRNO_PERF_CONFIG_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_PERF, 0x07)

#define	LOS_ERRNO_PERF_CONFIG_TASK_FILTER_ERROR LOS_ERRNO_OS_ERROR(LOS_MOD_PERF, 0x08)

#define	LOS_ERRNO_PERF_INIT_NO_MEMERY LOS_ERRNO_OS_ERROR(LOS_MOD_PERF, 0x09)

#define	LOS_PERF(EVENT)

类型定义
typedef void(*	PERF_BUF_NOTIFY_HOOK) (void)

typedef void(*	PERF_BUF_FLUSH_HOOK) (void *addr, UINT32 size)

枚举
enum	PerfStatus { PERF_UNINIT , PERF_STARTING , PERF_STARTED , PERF_STOPPING , PERF_STOPED }

enum	PerfEventType { PERF_EVENT_TYPE_HW , PERF_EVENT_TYPE_TIMED , PERF_EVENT_TYPE_SW , PERF_EVENT_TYPE_RAW , PERF_EVENT_TYPE_MAX }

enum	PmuHwId { PERF_COUNT_HW_CPU_CYCLES = 0 , PERF_COUNT_HW_INSTRUCTIONS , PERF_COUNT_HW_DCACHE_REFERENCES , PERF_COUNT_HW_DCACHE_MISSES , PERF_COUNT_HW_ICACHE_REFERENCES , PERF_COUNT_HW_ICACHE_MISSES , PERF_COUNT_HW_BRANCH_INSTRUCTIONS , PERF_COUNT_HW_BRANCH_MISSES , PERF_COUNT_HW_MAX }

enum	PmuTimedId { PERF_COUNT_CPU_CLOCK = 0 }

enum	PmuSwId { PERF_COUNT_SW_TASK_SWITCH = 1 , PERF_COUNT_SW_IRQ_RESPONSE , PERF_COUNT_SW_MEM_ALLOC , PERF_COUNT_SW_MUX_PEND , PERF_COUNT_SW_MAX }

enum	PerfSampleType { PERF_RECORD_CPU = 1U << 0 , PERF_RECORD_TID = 1U << 1 , PERF_RECORD_TYPE = 1U << 2 , PERF_RECORD_PERIOD = 1U << 3 , PERF_RECORD_TIMESTAMP = 1U << 4 , PERF_RECORD_IP = 1U << 5 , PERF_RECORD_CALLCHAIN = 1U << 6 }

函数
void	OsPerfHook (UINT32 event)

UINT32	LOS_PerfInit (void *buf, UINT32 size)
	Init perf.

void	LOS_PerfStart (UINT32 sectionId)
	Start perf sampling.

void	LOS_PerfStop (void)
	Stop perf sampling.

UINT32	LOS_PerfConfig (PerfConfigAttr *attr)
	Config perf parameters.

UINT32	LOS_PerfDataRead (CHAR *dest, UINT32 size)
	Read data from perf sample data buffer.

void	LOS_PerfNotifyHookReg (const PERF_BUF_NOTIFY_HOOK func)
	Register perf sample data buffer water mark hook function.

void	LOS_PerfFlushHookReg (const PERF_BUF_FLUSH_HOOK func)
	Register perf sample data buffer flush hook function.

UINT32	LOS_PerfDeinit (void)
	Deinit perf.

宏定义说明

◆ LOS_PERF

#define LOS_PERF ( EVENT )

void OsPerfHook ( UINT32 event )

extern