performance.h

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// Copyright (c) 2015-2017, Satoshi Tanda. All rights reserved.
// Use of this source code is governed by a MIT-style license that can be
// found in the LICENSE file.


#ifndef HYPERPLATFORM_PERFORMANCE_H_
#define HYPERPLATFORM_PERFORMANCE_H_

#include "perf_counter.h"

extern "C" {
//
// macro utilities
//

#if (HYPERPLATFORM_PERFORMANCE_ENABLE_PERFCOUNTER != 0)

#define HYPERPLATFORM_PERFORMANCE_MEASURE_THIS_SCOPE() \
  HYPERPLATFORM_PERFCOUNTER_MEASURE_TIME(g_performance_collector, PerfGetTime)

#else
#define HYPERPLATFORM_PERFORMANCE_MEASURE_THIS_SCOPE()
#endif

//
// constants and macros
//

//
// types
//

//
// prototypes
//

_IRQL_requires_max_(PASSIVE_LEVEL) NTSTATUS PerfInitialization();

_IRQL_requires_max_(PASSIVE_LEVEL) void PerfTermination();

ULONG64 PerfGetTime();

//
// variables
//

extern PerfCollector* g_performance_collector;

//
// implementations
//

}  // extern "C"

#endif  // HYPERPLATFORM_PERFORMANCE_H_