PerfEventConfig结构体 参考

#include <los_perf.h>

成员变量
UINT32	type
struct {
UINT32   eventId
UINT32   period
}	events [7]
UINT32	eventsNr
BOOL	predivided

详细描述

perf configuration sub event information

This structure is used to config specific events attributes.

结构体成员变量说明

eventId

UINT32 PerfEventConfig::eventId

the specific event corresponds to the PerfEventType

[struct]

struct { ... } PerfEventConfig::events[ 7 ]

perf event list

eventsNr

UINT32 PerfEventConfig::eventsNr

total perf event number

period

UINT32 PerfEventConfig::period

event period, for every "period"th occurrence of the event a sample will be recorded

predivided

BOOL PerfEventConfig::predivided

whether to prescaler (once every 64 counts), which only take effect on cpu cycle hardware event

type

UINT32 PerfEventConfig::type

enum PerfEventType

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该结构体的文档由以下文件生成:

• src/kernel/liteos/liteos_v208.5.0/Huawei_LiteOS/kernel/include/los_perf.h