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/* $Id: PerformanceImpl.h $ */
/** @file
*
* VBox Performance COM class implementation.
*/
/*
* Copyright (C) 2008-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef MAIN_INCLUDED_PerformanceImpl_h
#define MAIN_INCLUDED_PerformanceImpl_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include "PerformanceCollectorWrap.h"
#include "PerformanceMetricWrap.h"
#include <VBox/com/com.h>
#include <VBox/com/array.h>
//#ifdef VBOX_WITH_RESOURCE_USAGE_API
#include <iprt/timer.h>
//#endif /* VBOX_WITH_RESOURCE_USAGE_API */
#include <list>
namespace pm
{
class Metric;
class BaseMetric;
class CollectorHAL;
class CollectorGuest;
class CollectorGuestManager;
}
#undef min
#undef max
/* Each second we obtain new CPU load stats. */
#define VBOX_USAGE_SAMPLER_MIN_INTERVAL 1000
class ATL_NO_VTABLE PerformanceMetric :
public PerformanceMetricWrap
{
public:
DECLARE_COMMON_CLASS_METHODS(PerformanceMetric)
HRESULT FinalConstruct();
void FinalRelease();
// public initializer/uninitializer for internal purposes only
HRESULT init(pm::Metric *aMetric);
HRESULT init(pm::BaseMetric *aMetric);
void uninit();
private:
// wrapped IPerformanceMetric properties
HRESULT getMetricName(com::Utf8Str &aMetricName);
HRESULT getObject(ComPtr<IUnknown> &aObject);
HRESULT getDescription(com::Utf8Str &aDescription);
HRESULT getPeriod(ULONG *aPeriod);
HRESULT getCount(ULONG *aCount);
HRESULT getUnit(com::Utf8Str &aUnit);
HRESULT getMinimumValue(LONG *aMinimumValue);
HRESULT getMaximumValue(LONG *aMaximumValue);
struct Data
{
/* Constructor. */
Data()
: period(0), count(0), min(0), max(0)
{
}
Utf8Str name;
ComPtr<IUnknown> object;
Utf8Str description;
ULONG period;
ULONG count;
Utf8Str unit;
LONG min;
LONG max;
};
Data m;
};
class ATL_NO_VTABLE PerformanceCollector :
public PerformanceCollectorWrap
{
public:
DECLARE_COMMON_CLASS_METHODS(PerformanceCollector)
HRESULT FinalConstruct();
void FinalRelease();
// public initializers/uninitializers only for internal purposes
HRESULT init();
void uninit();
// public methods only for internal purposes
void registerBaseMetric(pm::BaseMetric *baseMetric);
void registerMetric(pm::Metric *metric);
void unregisterBaseMetricsFor(const ComPtr<IUnknown> &object, const Utf8Str name = "*");
void unregisterMetricsFor(const ComPtr<IUnknown> &object, const Utf8Str name = "*");
void registerGuest(pm::CollectorGuest* pGuest);
void unregisterGuest(pm::CollectorGuest* pGuest);
void suspendSampling();
void resumeSampling();
// public methods for internal purposes only
// (ensure there is a caller and a read lock before calling them!)
pm::CollectorHAL *getHAL() { return m.hal; };
pm::CollectorGuestManager *getGuestManager() { return m.gm; };
private:
// wrapped IPerformanceCollector properties
HRESULT getMetricNames(std::vector<com::Utf8Str> &aMetricNames);
// wrapped IPerformanceCollector methods
HRESULT getMetrics(const std::vector<com::Utf8Str> &aMetricNames,
const std::vector<ComPtr<IUnknown> > &aObjects,
std::vector<ComPtr<IPerformanceMetric> > &aMetrics);
HRESULT setupMetrics(const std::vector<com::Utf8Str> &aMetricNames,
const std::vector<ComPtr<IUnknown> > &aObjects,
ULONG aPeriod,
ULONG aCount,
std::vector<ComPtr<IPerformanceMetric> > &aAffectedMetrics);
HRESULT enableMetrics(const std::vector<com::Utf8Str> &aMetricNames,
const std::vector<ComPtr<IUnknown> > &aObjects,
std::vector<ComPtr<IPerformanceMetric> > &aAffectedMetrics);
HRESULT disableMetrics(const std::vector<com::Utf8Str> &aMetricNames,
const std::vector<ComPtr<IUnknown> > &aObjects,
std::vector<ComPtr<IPerformanceMetric> > &aAffectedMetrics);
HRESULT queryMetricsData(const std::vector<com::Utf8Str> &aMetricNames,
const std::vector<ComPtr<IUnknown> > &aObjects,
std::vector<com::Utf8Str> &aReturnMetricNames,
std::vector<ComPtr<IUnknown> > &aReturnObjects,
std::vector<com::Utf8Str> &aReturnUnits,
std::vector<ULONG> &aReturnScales,
std::vector<ULONG> &aReturnSequenceNumbers,
std::vector<ULONG> &aReturnDataIndices,
std::vector<ULONG> &aReturnDataLengths,
std::vector<LONG> &aReturnData);
HRESULT toIPerformanceMetric(pm::Metric *src, ComPtr<IPerformanceMetric> &dst);
HRESULT toIPerformanceMetric(pm::BaseMetric *src, ComPtr<IPerformanceMetric> &dst);
static DECLCALLBACK(void) staticSamplerCallback(RTTIMERLR hTimerLR, void *pvUser, uint64_t iTick);
void samplerCallback(uint64_t iTick);
const Utf8Str& getFailedGuestName();
typedef std::list<pm::Metric*> MetricList;
typedef std::list<pm::BaseMetric*> BaseMetricList;
/** PerformanceMetric::mMagic value. */
#define PERFORMANCE_METRIC_MAGIC UINT32_C(0xABBA1972)
uint32_t mMagic;
const Utf8Str mUnknownGuest;
struct Data
{
Data() : hal(0) {};
BaseMetricList baseMetrics;
MetricList metrics;
RTTIMERLR sampler;
pm::CollectorHAL *hal;
pm::CollectorGuestManager *gm;
};
Data m;
};
#endif /* !MAIN_INCLUDED_PerformanceImpl_h */
/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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