PerfCounter Class Reference

Measure elapsed time of the scope. More...

#include <perf_counter.h>

Collaboration diagram for PerfCounter:

Public Types
using	QueryTimeRoutine = ULONG64()

Public Member Functions
	PerfCounter (_In_ PerfCollector *collector, _In_opt_ QueryTimeRoutine *query_time_routine, _In_ const char *location_name)
	Gets the current time using query_time_routine. More...
	~PerfCounter ()
	Measures an elapsed time and stores it to PerfCounter::collector_. More...

Static Private Member Functions
static ULONG64	RdTsc ()
	Gets the current time using the RDTSC instruction. More...

Private Attributes
PerfCollector *	collector_
QueryTimeRoutine *	query_time_routine_
const char *	location_name_
const ULONG64	before_time_

Detailed Description

Measure elapsed time of the scope.

Definition at line 277 of file perf_counter.h.

Member Typedef Documentation

QueryTimeRoutine

using PerfCounter::QueryTimeRoutine = ULONG64()

Definition at line 279 of file perf_counter.h.

Constructor & Destructor Documentation

PerfCounter()

PerfCounter::PerfCounter ( _In_ PerfCollector *  collector, _In_opt_ QueryTimeRoutine *  query_time_routine, _In_ const char *  location_name  )

inline

Gets the current time using query_time_routine.

Parameters

collector	PerfCollector instance to store performance data
query_time_routine	A function pointer for getting times
location_name	A function name where being measured

HYPERPLATFORM_PERFCOUNTER_MEASURE_TIME() should be used to create an instance of this class.

Definition at line 288 of file perf_counter.h.

~PerfCounter()

PerfCounter::~PerfCounter ( )

inline

Measures an elapsed time and stores it to PerfCounter::collector_.

Definition at line 297 of file perf_counter.h.

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Member Function Documentation

RdTsc()

static ULONG64 PerfCounter::RdTsc ( )

inlinestaticprivate

Gets the current time using the RDTSC instruction.

Returns

the current time

Definition at line 307 of file perf_counter.h.

Member Data Documentation

before_time_

const ULONG64 PerfCounter::before_time_

private

Definition at line 312 of file perf_counter.h.

collector_

PerfCollector* PerfCounter::collector_

private

Definition at line 309 of file perf_counter.h.

location_name_

const char* PerfCounter::location_name_

private

Definition at line 311 of file perf_counter.h.

query_time_routine_

QueryTimeRoutine* PerfCounter::query_time_routine_

private

Definition at line 310 of file perf_counter.h.

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The documentation for this class was generated from the following file:

• HyperPlatform/perf_counter.h