Performance.h@ 50874

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1	/* $Id: Performance.h 48955 2013-10-07 21:59:25Z vboxsync $ */
2	/** @file
3	* VirtualBox Main - Performance Classes declaration.
4	*/
5
6	/*
7	* Copyright (C) 2008-2013 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17	#ifndef ___performance_h
18	#define ___performance_h
19
20	#include <VBox/com/defs.h>
21	#include <VBox/com/ptr.h>
22	#include <VBox/com/string.h>
23	#include <VBox/com/VirtualBox.h>
24
25	#include <iprt/types.h>
26	#include <iprt/err.h>
27	#include <iprt/cpp/lock.h>
28
29	#include <algorithm>
30	#include <functional> /* For std::fun_ptr in testcase */
31	#include <list>
32	#include <vector>
33	#include <queue>
34
35	#include "MediumImpl.h"
36
37	/* Forward decl. */
38	class Machine;
39
40	namespace pm
41	{
42	/* CPU load is measured in 1/1000 of per cent. */
43	const uint64_t PM_CPU_LOAD_MULTIPLIER = UINT64_C(100000);
44	/* Network load is measured in 1/1000 of per cent. */
45	const uint64_t PM_NETWORK_LOAD_MULTIPLIER = UINT64_C(100000);
46	/* Disk load is measured in 1/1000 of per cent. */
47	const uint64_t PM_DISK_LOAD_MULTIPLIER = UINT64_C(100000);
48	/* Sampler precision in milliseconds. */
49	const uint64_t PM_SAMPLER_PRECISION_MS = 50;
50
51	/* Sub Metrics **********************************************************/
52	class CircularBuffer
53	{
54	public:
55	CircularBuffer() : mData(0), mLength(0), mEnd(0), mWrapped(false) {};
56	~CircularBuffer() { if (mData) RTMemFree(mData); };
57	void init(ULONG length);
58	ULONG length();
59	ULONG getSequenceNumber() { return mSequenceNumber; }
60	void put(ULONG value);
61	void copyTo(ULONG *data);
62	private:
63	ULONG *mData;
64	ULONG mLength;
65	ULONG mEnd;
66	ULONG mSequenceNumber;
67	bool mWrapped;
68	};
69
70	class SubMetric : public CircularBuffer
71	{
72	public:
73	SubMetric(com::Utf8Str name, const char *description)
74	: mName(name), mDescription(description) {};
75	void query(ULONG *data);
76	const char *getName() { return mName.c_str(); };
77	const char *getDescription() { return mDescription; };
78	private:
79	const com::Utf8Str mName;
80	const char *mDescription;
81	};
82
83
84	enum {
85	COLLECT_NONE = 0x0,
86	COLLECT_CPU_LOAD = 0x1,
87	COLLECT_RAM_USAGE = 0x2,
88	COLLECT_GUEST_STATS = 0x4
89	};
90	typedef int HintFlags;
91	typedef std::pair<RTPROCESS, HintFlags> ProcessFlagsPair;
92
93	class CollectorHints
94	{
95	public:
96	typedef std::list<ProcessFlagsPair> ProcessList;
97
98	CollectorHints() : mHostFlags(COLLECT_NONE) {}
99	void collectHostCpuLoad()
100	{ mHostFlags \|= COLLECT_CPU_LOAD; }
101	void collectHostRamUsage()
102	{ mHostFlags \|= COLLECT_RAM_USAGE; }
103	void collectHostRamVmm()
104	{ mHostFlags \|= COLLECT_GUEST_STATS; }
105	void collectProcessCpuLoad(RTPROCESS process)
106	{ findProcess(process).second \|= COLLECT_CPU_LOAD; }
107	void collectProcessRamUsage(RTPROCESS process)
108	{ findProcess(process).second \|= COLLECT_RAM_USAGE; }
109	void collectGuestStats(RTPROCESS process)
110	{ findProcess(process).second \|= COLLECT_GUEST_STATS; }
111	bool isHostCpuLoadCollected() const
112	{ return (mHostFlags & COLLECT_CPU_LOAD) != 0; }
113	bool isHostRamUsageCollected() const
114	{ return (mHostFlags & COLLECT_RAM_USAGE) != 0; }
115	bool isHostRamVmmCollected() const
116	{ return (mHostFlags & COLLECT_GUEST_STATS) != 0; }
117	bool isProcessCpuLoadCollected(RTPROCESS process)
118	{ return (findProcess(process).second & COLLECT_CPU_LOAD) != 0; }
119	bool isProcessRamUsageCollected(RTPROCESS process)
120	{ return (findProcess(process).second & COLLECT_RAM_USAGE) != 0; }
121	bool isGuestStatsCollected(RTPROCESS process)
122	{ return (findProcess(process).second & COLLECT_GUEST_STATS) != 0; }
123	void getProcesses(std::vector<RTPROCESS>& processes) const
124	{
125	processes.clear();
126	processes.reserve(mProcesses.size());
127	for (ProcessList::const_iterator it = mProcesses.begin(); it != mProcesses.end(); it++)
128	processes.push_back(it->first);
129	}
130	const ProcessList& getProcessFlags() const
131	{
132	return mProcesses;
133	}
134	private:
135	HintFlags mHostFlags;
136	ProcessList mProcesses;
137
138	ProcessFlagsPair& findProcess(RTPROCESS process)
139	{
140	ProcessList::iterator it;
141	for (it = mProcesses.begin(); it != mProcesses.end(); it++)
142	if (it->first == process)
143	return *it;
144
145	/* Not found -- add new */
146	mProcesses.push_back(ProcessFlagsPair(process, COLLECT_NONE));
147	return mProcesses.back();
148	}
149	};
150
151	/* Guest Collector Classes *********************************/
152	/*
153	* WARNING! The bits in the following masks must correspond to parameters
154	* of CollectorGuest::updateStats().
155	*/
156	typedef enum
157	{
158	VMSTATMASK_NONE = 0x00000000,
159	VMSTATMASK_GUEST_CPUUSER = 0x00000001,
160	VMSTATMASK_GUEST_CPUKERNEL = 0x00000002,
161	VMSTATMASK_GUEST_CPUIDLE = 0x00000004,
162	VMSTATMASK_GUEST_MEMTOTAL = 0x00000008,
163	VMSTATMASK_GUEST_MEMFREE = 0x00000010,
164	VMSTATMASK_GUEST_MEMBALLOON = 0x00000020,
165	VMSTATMASK_GUEST_MEMSHARED = 0x00000040,
166	VMSTATMASK_GUEST_MEMCACHE = 0x00000080,
167	VMSTATMASK_GUEST_PAGETOTAL = 0x00000100,
168	VMSTATMASK_VMM_ALLOC = 0x00010000,
169	VMSTATMASK_VMM_FREE = 0x00020000,
170	VMSTATMASK_VMM_BALOON = 0x00040000,
171	VMSTATMASK_VMM_SHARED = 0x00080000,
172	VMSTATMASK_NET_RX = 0x01000000,
173	VMSTATMASK_NET_TX = 0x02000000
174	} VMSTATMASK;
175
176	const ULONG VMSTATS_GUEST_CPULOAD =
177	VMSTATMASK_GUEST_CPUUSER \| VMSTATMASK_GUEST_CPUKERNEL \|
178	VMSTATMASK_GUEST_CPUIDLE;
179	const ULONG VMSTATS_GUEST_RAMUSAGE =
180	VMSTATMASK_GUEST_MEMTOTAL \| VMSTATMASK_GUEST_MEMFREE \|
181	VMSTATMASK_GUEST_MEMBALLOON \| VMSTATMASK_GUEST_MEMSHARED \|
182	VMSTATMASK_GUEST_MEMCACHE \| VMSTATMASK_GUEST_PAGETOTAL;
183	const ULONG VMSTATS_VMM_RAM =
184	VMSTATMASK_VMM_ALLOC \| VMSTATMASK_VMM_FREE\|
185	VMSTATMASK_VMM_BALOON \| VMSTATMASK_VMM_SHARED;
186	const ULONG VMSTATS_NET_RATE =
187	VMSTATMASK_NET_RX \| VMSTATMASK_NET_TX;
188	const ULONG VMSTATS_ALL =
189	VMSTATS_GUEST_CPULOAD \| VMSTATS_GUEST_RAMUSAGE \|
190	VMSTATS_VMM_RAM \| VMSTATS_NET_RATE;
191	class CollectorGuest;
192
193	class CollectorGuestRequest
194	{
195	public:
196	CollectorGuestRequest()
197	: mCGuest(0) {};
198	virtual ~CollectorGuestRequest() {};
199	void setGuest(CollectorGuest *aGuest) { mCGuest = aGuest; };
200	CollectorGuest *getGuest() { return mCGuest; };
201	virtual HRESULT execute() = 0;
202
203	virtual void debugPrint(void aObject, const char aFunction, const char *aText) = 0;
204	protected:
205	CollectorGuest *mCGuest;
206	const char *mDebugName;
207	};
208
209	class CGRQEnable : public CollectorGuestRequest
210	{
211	public:
212	CGRQEnable(ULONG aMask)
213	: mMask(aMask) {};
214	HRESULT execute();
215
216	void debugPrint(void aObject, const char aFunction, const char *aText);
217	private:
218	ULONG mMask;
219	};
220
221	class CGRQDisable : public CollectorGuestRequest
222	{
223	public:
224	CGRQDisable(ULONG aMask)
225	: mMask(aMask) {};
226	HRESULT execute();
227
228	void debugPrint(void aObject, const char aFunction, const char *aText);
229	private:
230	ULONG mMask;
231	};
232
233	class CGRQAbort : public CollectorGuestRequest
234	{
235	public:
236	CGRQAbort() {};
237	HRESULT execute();
238
239	void debugPrint(void aObject, const char aFunction, const char *aText);
240	};
241
242	class CollectorGuestQueue
243	{
244	public:
245	CollectorGuestQueue();
246	~CollectorGuestQueue();
247	void push(CollectorGuestRequest* rq);
248	CollectorGuestRequest* pop();
249	private:
250	RTCLockMtx mLockMtx;
251	RTSEMEVENT mEvent;
252	std::queue<CollectorGuestRequest*> mQueue;
253	};
254
255	class CollectorGuestManager;
256
257	class CollectorGuest
258	{
259	public:
260	CollectorGuest(Machine *machine, RTPROCESS process);
261	~CollectorGuest();
262
263	void setManager(CollectorGuestManager *aManager)
264	{ mManager = aManager; };
265	bool isUnregistered() { return mUnregistered; };
266	bool isEnabled() { return mEnabled != 0; };
267	bool isValid(ULONG mask) { return (mValid & mask) == mask; };
268	void invalidate(ULONG mask) { mValid &= ~mask; };
269	void unregister() { mUnregistered = true; };
270	void updateStats(ULONG aValidStats, ULONG aCpuUser,
271	ULONG aCpuKernel, ULONG aCpuIdle,
272	ULONG aMemTotal, ULONG aMemFree,
273	ULONG aMemBalloon, ULONG aMemShared,
274	ULONG aMemCache, ULONG aPageTotal,
275	ULONG aAllocVMM, ULONG aFreeVMM,
276	ULONG aBalloonedVMM, ULONG aSharedVMM,
277	ULONG aVmNetRx, ULONG aVmNetTx);
278	int enable(ULONG mask);
279	int disable(ULONG mask);
280
281	int enqueueRequest(CollectorGuestRequest *aRequest);
282	HRESULT enableInternal(ULONG mask);
283	int disableInternal(ULONG mask);
284
285	const com::Utf8Str& getVMName() const { return mMachineName; };
286
287	RTPROCESS getProcess() { return mProcess; };
288	ULONG getCpuUser() { return mCpuUser; };
289	ULONG getCpuKernel() { return mCpuKernel; };
290	ULONG getCpuIdle() { return mCpuIdle; };
291	ULONG getMemTotal() { return mMemTotal; };
292	ULONG getMemFree() { return mMemFree; };
293	ULONG getMemBalloon() { return mMemBalloon; };
294	ULONG getMemShared() { return mMemShared; };
295	ULONG getMemCache() { return mMemCache; };
296	ULONG getPageTotal() { return mPageTotal; };
297	ULONG getAllocVMM() { return mAllocVMM; };
298	ULONG getFreeVMM() { return mFreeVMM; };
299	ULONG getBalloonedVMM() { return mBalloonedVMM; };
300	ULONG getSharedVMM() { return mSharedVMM; };
301	ULONG getVmNetRx() { return mVmNetRx; };
302	ULONG getVmNetTx() { return mVmNetTx; };
303
304	private:
305	int enableVMMStats(bool mCollectVMMStats);
306
307	CollectorGuestManager *mManager;
308
309	bool mUnregistered;
310	ULONG mEnabled;
311	ULONG mValid;
312	Machine *mMachine;
313	com::Utf8Str mMachineName;
314	RTPROCESS mProcess;
315	ComPtr<IConsole> mConsole;
316	ComPtr<IGuest> mGuest;
317	ULONG mCpuUser;
318	ULONG mCpuKernel;
319	ULONG mCpuIdle;
320	ULONG mMemTotal;
321	ULONG mMemFree;
322	ULONG mMemBalloon;
323	ULONG mMemShared;
324	ULONG mMemCache;
325	ULONG mPageTotal;
326	ULONG mAllocVMM;
327	ULONG mFreeVMM;
328	ULONG mBalloonedVMM;
329	ULONG mSharedVMM;
330	ULONG mVmNetRx;
331	ULONG mVmNetTx;
332	};
333
334	typedef std::list<CollectorGuest*> CollectorGuestList;
335	class CollectorGuestManager
336	{
337	public:
338	CollectorGuestManager();
339	~CollectorGuestManager();
340	void registerGuest(CollectorGuest* pGuest);
341	void unregisterGuest(CollectorGuest* pGuest);
342	CollectorGuest *getVMMStatsProvider() { return mVMMStatsProvider; };
343	void preCollect(CollectorHints& hints, uint64_t iTick);
344	void destroyUnregistered();
345	int enqueueRequest(CollectorGuestRequest *aRequest);
346
347	CollectorGuest *getBlockedGuest() { return mGuestBeingCalled; };
348
349	static DECLCALLBACK(int) requestProcessingThread(RTTHREAD aThread, void *pvUser);
350	private:
351	RTTHREAD mThread;
352	CollectorGuestList mGuests;
353	CollectorGuest *mVMMStatsProvider;
354	CollectorGuestQueue mQueue;
355	CollectorGuest *mGuestBeingCalled;
356	};
357
358	/* Collector Hardware Abstraction Layer *********************************/
359	typedef std::list<RTCString> DiskList;
360
361	class CollectorHAL
362	{
363	public:
364	CollectorHAL() {};
365	virtual ~CollectorHAL() { };
366	virtual int preCollect(const CollectorHints& /* hints /, uint64_t / iTick */) { return VINF_SUCCESS; }
367	/** Returns averaged CPU usage in 1/1000th per cent across all host's CPUs. */
368	virtual int getHostCpuLoad(ULONG user, ULONG kernel, ULONG *idle);
369	/** Returns the average frequency in MHz across all host's CPUs. */
370	virtual int getHostCpuMHz(ULONG *mhz);
371	/** Returns the amount of physical memory in kilobytes. */
372	virtual int getHostMemoryUsage(ULONG total, ULONG used, ULONG *available);
373	/** Returns file system counters in megabytes. */
374	virtual int getHostFilesystemUsage(const char name, ULONG total, ULONG used, ULONG available);
375	/** Returns disk size in bytes. */
376	virtual int getHostDiskSize(const char name, uint64_t size);
377	/** Returns CPU usage in 1/1000th per cent by a particular process. */
378	virtual int getProcessCpuLoad(RTPROCESS process, ULONG user, ULONG kernel);
379	/** Returns the amount of memory used by a process in kilobytes. */
380	virtual int getProcessMemoryUsage(RTPROCESS process, ULONG *used);
381
382	/** Returns CPU usage counters in platform-specific units. */
383	virtual int getRawHostCpuLoad(uint64_t user, uint64_t kernel, uint64_t *idle);
384	/** Returns received and transmitted bytes. */
385	virtual int getRawHostNetworkLoad(const char name, uint64_t rx, uint64_t *tx);
386	/** Returns disk usage counters in platform-specific units. */
387	virtual int getRawHostDiskLoad(const char name, uint64_t disk_ms, uint64_t *total_ms);
388	/** Returns process' CPU usage counter in platform-specific units. */
389	virtual int getRawProcessCpuLoad(RTPROCESS process, uint64_t user, uint64_t kernel, uint64_t *total);
390
391	/** Returns the lists of disks (aggregate and physical) used by the specified file system. */
392	virtual int getDiskListByFs(const char *name, DiskList& listUsage, DiskList& listLoad);
393	};
394
395	extern CollectorHAL *createHAL();
396
397	/* Base Metrics *********************************************************/
398	class BaseMetric
399	{
400	public:
401	BaseMetric(CollectorHAL *hal, const com::Utf8Str name, ComPtr<IUnknown> object)
402	: mPeriod(0), mLength(0), mHAL(hal), mName(name), mObject(object),
403	mLastSampleTaken(0), mEnabled(false), mUnregistered(false) {};
404	virtual ~BaseMetric() {};
405
406	virtual void init(ULONG period, ULONG length) = 0;
407	virtual void preCollect(CollectorHints& hints, uint64_t iTick) = 0;
408	virtual void collect() = 0;
409	virtual const char *getUnit() = 0;
410	virtual ULONG getMinValue() = 0;
411	virtual ULONG getMaxValue() = 0;
412	virtual ULONG getScale() = 0;
413
414	bool collectorBeat(uint64_t nowAt);
415
416	virtual int enable() { mEnabled = true; return S_OK; };
417	virtual int disable() { mEnabled = false; return S_OK; };
418	void unregister() { mUnregistered = true; };
419
420	bool isUnregistered() { return mUnregistered; };
421	bool isEnabled() { return mEnabled; };
422	ULONG getPeriod() { return mPeriod; };
423	ULONG getLength() { return mLength; };
424	const char *getName() { return mName.c_str(); };
425	ComPtr<IUnknown> getObject() { return mObject; };
426	bool associatedWith(ComPtr<IUnknown> object) { return mObject == object; };
427
428	protected:
429	ULONG mPeriod;
430	ULONG mLength;
431	CollectorHAL *mHAL;
432	const com::Utf8Str mName;
433	ComPtr<IUnknown> mObject;
434	uint64_t mLastSampleTaken;
435	bool mEnabled;
436	bool mUnregistered;
437	};
438
439	class BaseGuestMetric : public BaseMetric
440	{
441	public:
442	BaseGuestMetric(CollectorGuest cguest, const char name, ComPtr<IUnknown> object)
443	: BaseMetric(NULL, name, object), mCGuest(cguest) {};
444	protected:
445	CollectorGuest *mCGuest;
446	};
447
448	class HostCpuLoad : public BaseMetric
449	{
450	public:
451	HostCpuLoad(CollectorHAL hal, ComPtr<IUnknown> object, SubMetric user, SubMetric kernel, SubMetric idle)
452	: BaseMetric(hal, "CPU/Load", object), mUser(user), mKernel(kernel), mIdle(idle) {};
453	~HostCpuLoad() { delete mUser; delete mKernel; delete mIdle; };
454
455	void init(ULONG period, ULONG length);
456
457	void collect();
458	const char *getUnit() { return "%"; };
459	ULONG getMinValue() { return 0; };
460	ULONG getMaxValue() { return PM_CPU_LOAD_MULTIPLIER; };
461	ULONG getScale() { return PM_CPU_LOAD_MULTIPLIER / 100; }
462
463	protected:
464	SubMetric *mUser;
465	SubMetric *mKernel;
466	SubMetric *mIdle;
467	};
468
469	class HostCpuLoadRaw : public HostCpuLoad
470	{
471	public:
472	HostCpuLoadRaw(CollectorHAL hal, ComPtr<IUnknown> object, SubMetric user, SubMetric kernel, SubMetric idle)
473	: HostCpuLoad(hal, object, user, kernel, idle), mUserPrev(0), mKernelPrev(0), mIdlePrev(0) {};
474
475	void init(ULONG period, ULONG length);
476	void preCollect(CollectorHints& hints, uint64_t iTick);
477	void collect();
478	private:
479	uint64_t mUserPrev;
480	uint64_t mKernelPrev;
481	uint64_t mIdlePrev;
482	};
483
484	class HostCpuMhz : public BaseMetric
485	{
486	public:
487	HostCpuMhz(CollectorHAL hal, ComPtr<IUnknown> object, SubMetric mhz)
488	: BaseMetric(hal, "CPU/MHz", object), mMHz(mhz) {};
489	~HostCpuMhz() { delete mMHz; };
490
491	void init(ULONG period, ULONG length);
492	void preCollect(CollectorHints& /* hints /, uint64_t / iTick */) {}
493	void collect();
494	const char *getUnit() { return "MHz"; };
495	ULONG getMinValue() { return 0; };
496	ULONG getMaxValue() { return INT32_MAX; };
497	ULONG getScale() { return 1; }
498	private:
499	SubMetric *mMHz;
500	};
501
502	class HostRamUsage : public BaseMetric
503	{
504	public:
505	HostRamUsage(CollectorHAL hal, ComPtr<IUnknown> object, SubMetric total, SubMetric used, SubMetric available)
506	: BaseMetric(hal, "RAM/Usage", object), mTotal(total), mUsed(used), mAvailable(available) {};
507	~HostRamUsage() { delete mTotal; delete mUsed; delete mAvailable; };
508
509	void init(ULONG period, ULONG length);
510	void preCollect(CollectorHints& hints, uint64_t iTick);
511	void collect();
512	const char *getUnit() { return "kB"; };
513	ULONG getMinValue() { return 0; };
514	ULONG getMaxValue() { return INT32_MAX; };
515	ULONG getScale() { return 1; }
516	private:
517	SubMetric *mTotal;
518	SubMetric *mUsed;
519	SubMetric *mAvailable;
520	};
521
522	class HostNetworkSpeed : public BaseMetric
523	{
524	public:
525	HostNetworkSpeed(CollectorHAL hal, ComPtr<IUnknown> object, com::Utf8Str name, com::Utf8Str shortname, com::Utf8Str / ifname /, uint32_t speed, SubMetric linkspeed)
526	: BaseMetric(hal, name, object), mShortName(shortname), mSpeed(speed), mLinkSpeed(linkspeed) {};
527	~HostNetworkSpeed() { delete mLinkSpeed; };
528
529	void init(ULONG period, ULONG length);
530
531	void preCollect(CollectorHints& /* hints /, uint64_t / iTick */) {};
532	void collect() { if (mSpeed) mLinkSpeed->put(mSpeed); };
533	const char *getUnit() { return "mbit/s"; };
534	ULONG getMinValue() { return 0; };
535	ULONG getMaxValue() { return INT32_MAX; };
536	ULONG getScale() { return 1; }
537	private:
538	com::Utf8Str mShortName;
539	uint32_t mSpeed;
540	SubMetric *mLinkSpeed;
541	};
542
543	class HostNetworkLoadRaw : public BaseMetric
544	{
545	public:
546	HostNetworkLoadRaw(CollectorHAL hal, ComPtr<IUnknown> object, com::Utf8Str name, com::Utf8Str shortname, com::Utf8Str ifname, uint32_t speed, SubMetric rx, SubMetric *tx)
547	: BaseMetric(hal, name, object), mShortName(shortname), mInterfaceName(ifname), mRx(rx), mTx(tx), mRxPrev(0), mTxPrev(0), mRc(VINF_SUCCESS) { mSpeed = (uint64_t)speed * (1000000/8); /* Convert to bytes/sec */ };
548	~HostNetworkLoadRaw() { delete mRx; delete mTx; };
549
550	void init(ULONG period, ULONG length);
551
552	void preCollect(CollectorHints& hints, uint64_t iTick);
553	void collect();
554	const char *getUnit() { return "%"; };
555	ULONG getMinValue() { return 0; };
556	ULONG getMaxValue() { return PM_NETWORK_LOAD_MULTIPLIER; };
557	ULONG getScale() { return PM_NETWORK_LOAD_MULTIPLIER / 100; }
558
559	private:
560	com::Utf8Str mShortName;
561	com::Utf8Str mInterfaceName;
562	SubMetric *mRx;
563	SubMetric *mTx;
564	uint64_t mRxPrev;
565	uint64_t mTxPrev;
566	uint64_t mSpeed;
567	int mRc;
568	};
569
570	class HostFilesystemUsage : public BaseMetric
571	{
572	public:
573	HostFilesystemUsage(CollectorHAL hal, ComPtr<IUnknown> object, com::Utf8Str name, com::Utf8Str fsname, SubMetric total, SubMetric used, SubMetric available)
574	: BaseMetric(hal, name, object), mFsName(fsname), mTotal(total), mUsed(used), mAvailable(available) {};
575	~HostFilesystemUsage() { delete mTotal; delete mUsed; delete mAvailable; };
576
577	void init(ULONG period, ULONG length);
578	void preCollect(CollectorHints& hints, uint64_t iTick);
579	void collect();
580	const char *getUnit() { return "mB"; };
581	ULONG getMinValue() { return 0; };
582	ULONG getMaxValue() { return INT32_MAX; };
583	ULONG getScale() { return 1; }
584	private:
585	com::Utf8Str mFsName;
586	SubMetric *mTotal;
587	SubMetric *mUsed;
588	SubMetric *mAvailable;
589	};
590
591	class HostDiskUsage : public BaseMetric
592	{
593	public:
594	HostDiskUsage(CollectorHAL hal, ComPtr<IUnknown> object, com::Utf8Str name, com::Utf8Str diskname, SubMetric total)
595	: BaseMetric(hal, name, object), mDiskName(diskname), mTotal(total) {};
596	~HostDiskUsage() { delete mTotal; };
597
598	void init(ULONG period, ULONG length);
599	void preCollect(CollectorHints& hints, uint64_t iTick);
600	void collect();
601	const char *getUnit() { return "mB"; };
602	ULONG getMinValue() { return 0; };
603	ULONG getMaxValue() { return INT32_MAX; };
604	ULONG getScale() { return 1; }
605	private:
606	com::Utf8Str mDiskName;
607	SubMetric *mTotal;
608	};
609
610	class HostDiskLoadRaw : public BaseMetric
611	{
612	public:
613	HostDiskLoadRaw(CollectorHAL hal, ComPtr<IUnknown> object, com::Utf8Str name, com::Utf8Str diskname, SubMetric util)
614	: BaseMetric(hal, name, object), mDiskName(diskname), mUtil(util), mDiskPrev(0), mTotalPrev(0) {};
615	~HostDiskLoadRaw() { delete mUtil; };
616
617	void init(ULONG period, ULONG length);
618
619	void preCollect(CollectorHints& hints, uint64_t iTick);
620	void collect();
621	const char *getUnit() { return "%"; };
622	ULONG getMinValue() { return 0; };
623	ULONG getMaxValue() { return PM_DISK_LOAD_MULTIPLIER; };
624	ULONG getScale() { return PM_DISK_LOAD_MULTIPLIER / 100; }
625
626	private:
627	com::Utf8Str mDiskName;
628	SubMetric *mUtil;
629	uint64_t mDiskPrev;
630	uint64_t mTotalPrev;
631	};
632
633
634	#ifndef VBOX_COLLECTOR_TEST_CASE
635	class HostRamVmm : public BaseMetric
636	{
637	public:
638	HostRamVmm(CollectorGuestManager gm, ComPtr<IUnknown> object, SubMetric allocVMM, SubMetric freeVMM, SubMetric balloonVMM, SubMetric *sharedVMM)
639	: BaseMetric(NULL, "RAM/VMM", object), mCollectorGuestManager(gm),
640	mAllocVMM(allocVMM), mFreeVMM(freeVMM), mBalloonVMM(balloonVMM), mSharedVMM(sharedVMM),
641	mAllocCurrent(0), mFreeCurrent(0), mBalloonedCurrent(0), mSharedCurrent(0) {};
642	~HostRamVmm() { delete mAllocVMM; delete mFreeVMM; delete mBalloonVMM; delete mSharedVMM; };
643
644	void init(ULONG period, ULONG length);
645	void preCollect(CollectorHints& hints, uint64_t iTick);
646	void collect();
647	int enable();
648	int disable();
649	const char *getUnit() { return "kB"; };
650	ULONG getMinValue() { return 0; };
651	ULONG getMaxValue() { return INT32_MAX; };
652	ULONG getScale() { return 1; }
653
654	private:
655	CollectorGuestManager *mCollectorGuestManager;
656	SubMetric *mAllocVMM;
657	SubMetric *mFreeVMM;
658	SubMetric *mBalloonVMM;
659	SubMetric *mSharedVMM;
660	ULONG mAllocCurrent;
661	ULONG mFreeCurrent;
662	ULONG mBalloonedCurrent;
663	ULONG mSharedCurrent;
664	};
665	#endif /* VBOX_COLLECTOR_TEST_CASE */
666
667	class MachineCpuLoad : public BaseMetric
668	{
669	public:
670	MachineCpuLoad(CollectorHAL hal, ComPtr<IUnknown> object, RTPROCESS process, SubMetric user, SubMetric *kernel)
671	: BaseMetric(hal, "CPU/Load", object), mProcess(process), mUser(user), mKernel(kernel) {};
672	~MachineCpuLoad() { delete mUser; delete mKernel; };
673
674	void init(ULONG period, ULONG length);
675	void collect();
676	const char *getUnit() { return "%"; };
677	ULONG getMinValue() { return 0; };
678	ULONG getMaxValue() { return PM_CPU_LOAD_MULTIPLIER; };
679	ULONG getScale() { return PM_CPU_LOAD_MULTIPLIER / 100; }
680	protected:
681	RTPROCESS mProcess;
682	SubMetric *mUser;
683	SubMetric *mKernel;
684	};
685
686	class MachineCpuLoadRaw : public MachineCpuLoad
687	{
688	public:
689	MachineCpuLoadRaw(CollectorHAL hal, ComPtr<IUnknown> object, RTPROCESS process, SubMetric user, SubMetric *kernel)
690	: MachineCpuLoad(hal, object, process, user, kernel), mHostTotalPrev(0), mProcessUserPrev(0), mProcessKernelPrev(0) {};
691
692	void preCollect(CollectorHints& hints, uint64_t iTick);
693	void collect();
694	private:
695	uint64_t mHostTotalPrev;
696	uint64_t mProcessUserPrev;
697	uint64_t mProcessKernelPrev;
698	};
699
700	class MachineRamUsage : public BaseMetric
701	{
702	public:
703	MachineRamUsage(CollectorHAL hal, ComPtr<IUnknown> object, RTPROCESS process, SubMetric used)
704	: BaseMetric(hal, "RAM/Usage", object), mProcess(process), mUsed(used) {};
705	~MachineRamUsage() { delete mUsed; };
706
707	void init(ULONG period, ULONG length);
708	void preCollect(CollectorHints& hints, uint64_t iTick);
709	void collect();
710	const char *getUnit() { return "kB"; };
711	ULONG getMinValue() { return 0; };
712	ULONG getMaxValue() { return INT32_MAX; };
713	ULONG getScale() { return 1; }
714	private:
715	RTPROCESS mProcess;
716	SubMetric *mUsed;
717	};
718
719
720	#ifndef VBOX_COLLECTOR_TEST_CASE
721	typedef std::list<ComObjPtr<Medium> > MediaList;
722	class MachineDiskUsage : public BaseMetric
723	{
724	public:
725	MachineDiskUsage(CollectorHAL hal, ComPtr<IUnknown> object, MediaList &disks, SubMetric used)
726	: BaseMetric(hal, "Disk/Usage", object), mDisks(disks), mUsed(used) {};
727	~MachineDiskUsage() { delete mUsed; };
728
729	void init(ULONG period, ULONG length);
730	void preCollect(CollectorHints& hints, uint64_t iTick);
731	void collect();
732	const char *getUnit() { return "mB"; };
733	ULONG getMinValue() { return 0; };
734	ULONG getMaxValue() { return INT32_MAX; };
735	ULONG getScale() { return 1; }
736	private:
737	MediaList mDisks;
738	SubMetric *mUsed;
739	};
740
741	/*
742	* Although MachineNetRate is measured for VM, not for the guest, it is
743	* derived from BaseGuestMetric since it uses the same mechanism for
744	* data collection -- values get pushed by Guest class along with other
745	* guest statistics.
746	*/
747	class MachineNetRate : public BaseGuestMetric
748	{
749	public:
750	MachineNetRate(CollectorGuest cguest, ComPtr<IUnknown> object, SubMetric rx, SubMetric *tx)
751	: BaseGuestMetric(cguest, "Net/Rate", object), mRx(rx), mTx(tx) {};
752	~MachineNetRate() { delete mRx; delete mTx; };
753
754	void init(ULONG period, ULONG length);
755	void preCollect(CollectorHints& hints, uint64_t iTick);
756	void collect();
757	int enable();
758	int disable();
759	const char *getUnit() { return "B/s"; };
760	ULONG getMinValue() { return 0; };
761	ULONG getMaxValue() { return INT32_MAX; };
762	ULONG getScale() { return 1; }
763	private:
764	SubMetric mRx, mTx;
765	};
766
767	class GuestCpuLoad : public BaseGuestMetric
768	{
769	public:
770	GuestCpuLoad(CollectorGuest cguest, ComPtr<IUnknown> object, SubMetric user, SubMetric kernel, SubMetric idle)
771	: BaseGuestMetric(cguest, "Guest/CPU/Load", object), mUser(user), mKernel(kernel), mIdle(idle) {};
772	~GuestCpuLoad() { delete mUser; delete mKernel; delete mIdle; };
773
774	void init(ULONG period, ULONG length);
775	void preCollect(CollectorHints& hints, uint64_t iTick);
776	void collect();
777	int enable();
778	int disable();
779	const char *getUnit() { return "%"; };
780	ULONG getMinValue() { return 0; };
781	ULONG getMaxValue() { return PM_CPU_LOAD_MULTIPLIER; };
782	ULONG getScale() { return PM_CPU_LOAD_MULTIPLIER / 100; }
783	protected:
784	SubMetric *mUser;
785	SubMetric *mKernel;
786	SubMetric *mIdle;
787	};
788
789	class GuestRamUsage : public BaseGuestMetric
790	{
791	public:
792	GuestRamUsage(CollectorGuest cguest, ComPtr<IUnknown> object, SubMetric total, SubMetric free, SubMetric balloon, SubMetric shared, SubMetric cache, SubMetric *pagedtotal)
793	: BaseGuestMetric(cguest, "Guest/RAM/Usage", object), mTotal(total), mFree(free), mBallooned(balloon), mCache(cache), mPagedTotal(pagedtotal), mShared(shared) {};
794	~GuestRamUsage() { delete mTotal; delete mFree; delete mBallooned; delete mShared; delete mCache; delete mPagedTotal; };
795
796	void init(ULONG period, ULONG length);
797	void preCollect(CollectorHints& hints, uint64_t iTick);
798	void collect();
799	int enable();
800	int disable();
801	const char *getUnit() { return "kB"; };
802	ULONG getMinValue() { return 0; };
803	ULONG getMaxValue() { return INT32_MAX; };
804	ULONG getScale() { return 1; }
805	private:
806	SubMetric mTotal, mFree, mBallooned, mCache, mPagedTotal, mShared;
807	};
808	#endif /* VBOX_COLLECTOR_TEST_CASE */
809
810	/* Aggregate Functions **************************************************/
811	class Aggregate
812	{
813	public:
814	virtual ULONG compute(ULONG *data, ULONG length) = 0;
815	virtual const char *getName() = 0;
816	};
817
818	class AggregateAvg : public Aggregate
819	{
820	public:
821	virtual ULONG compute(ULONG *data, ULONG length);
822	virtual const char *getName();
823	};
824
825	class AggregateMin : public Aggregate
826	{
827	public:
828	virtual ULONG compute(ULONG *data, ULONG length);
829	virtual const char *getName();
830	};
831
832	class AggregateMax : public Aggregate
833	{
834	public:
835	virtual ULONG compute(ULONG *data, ULONG length);
836	virtual const char *getName();
837	};
838
839	/* Metric Class *********************************************************/
840	class Metric
841	{
842	public:
843	Metric(BaseMetric baseMetric, SubMetric subMetric, Aggregate *aggregate) :
844	mName(subMetric->getName()), mBaseMetric(baseMetric), mSubMetric(subMetric), mAggregate(aggregate)
845	{
846	if (mAggregate)
847	{
848	mName.append(":");
849	mName.append(mAggregate->getName());
850	}
851	}
852
853	~Metric()
854	{
855	delete mAggregate;
856	}
857	bool associatedWith(ComPtr<IUnknown> object) { return getObject() == object; };
858
859	const char *getName() { return mName.c_str(); };
860	ComPtr<IUnknown> getObject() { return mBaseMetric->getObject(); };
861	const char *getDescription()
862	{ return mAggregate ? "" : mSubMetric->getDescription(); };
863	const char *getUnit() { return mBaseMetric->getUnit(); };
864	ULONG getMinValue() { return mBaseMetric->getMinValue(); };
865	ULONG getMaxValue() { return mBaseMetric->getMaxValue(); };
866	ULONG getPeriod() { return mBaseMetric->getPeriod(); };
867	ULONG getLength()
868	{ return mAggregate ? 1 : mBaseMetric->getLength(); };
869	ULONG getScale() { return mBaseMetric->getScale(); }
870	void query(ULONG *data, ULONG count, ULONG *sequenceNumber);
871
872	private:
873	RTCString mName;
874	BaseMetric *mBaseMetric;
875	SubMetric *mSubMetric;
876	Aggregate *mAggregate;
877	};
878
879	/* Filter Class *********************************************************/
880
881	class Filter
882	{
883	public:
884	Filter(ComSafeArrayIn(IN_BSTR, metricNames),
885	ComSafeArrayIn(IUnknown * , objects));
886	Filter(const com::Utf8Str name, const ComPtr<IUnknown> &aObject);
887	static bool patternMatch(const char pszPat, const char pszName,
888	bool fSeenColon = false);
889	bool match(const ComPtr<IUnknown> object, const RTCString &name) const;
890	private:
891	void init(ComSafeArrayIn(IN_BSTR, metricNames),
892	ComSafeArrayIn(IUnknown * , objects));
893
894	typedef std::pair<const ComPtr<IUnknown>, const RTCString> FilterElement;
895	typedef std::list<FilterElement> ElementList;
896
897	ElementList mElements;
898
899	void processMetricList(const com::Utf8Str &name, const ComPtr<IUnknown> object);
900	};
901	}
902	#endif /* ___performance_h */
903	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/include/Performance.h@ 50874

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