los_perf.h 文件参考

浏览源代码.

结构体
struct	PerfEventConfig
struct	PerfConfigAttr

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_STARTED , PERF_STOPPED }
enum	PerfEventType {   PERF_EVENT_TYPE_HW , PERF_EVENT_TYPE_TIMED , PERF_EVENT_TYPE_SW , PERF_EVENT_TYPE_RAW ,   PERF_EVENT_TYPE_MAX , 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 , 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 , 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 , 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 , PERF_RECORD_PID = 1U << 7 ,   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 , PERF_RECORD_PID = 1U << 7 }

函数
UINT32	LOS_PerfInit (VOID *buf, UINT32 size)
	Init perf. 更多...
VOID	LOS_PerfStart (UINT32 sectionId)
	Start perf sampling. 更多...
VOID	LOS_PerfStop (VOID)
	Stop perf sampling. 更多...
UINT32	LOS_PerfConfig (PerfConfigAttr *attr)
	Config perf parameters. 更多...
UINT32	LOS_PerfDataRead (CHAR *dest, UINT32 size)
	Read data from perf sample data buffer. 更多...
VOID	LOS_PerfNotifyHookReg (const PERF_BUF_NOTIFY_HOOK func)
	Register perf sample data buffer water mark hook function. 更多...
VOID	LOS_PerfFlushHookReg (const PERF_BUF_FLUSH_HOOK func)
	Register perf sample data buffer flush hook function. 更多...