tstVBoxMultipleVM.cpp@ 83820

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1	/** @file
2	* tstVBoxMultipleVM - load test for ClientWatcher.
3	*/
4
5	/*
6	* Copyright (C) 2006-2020 Oracle Corporation
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*/
16
17
18	/*********************************************************************************************************************************
19	* Header Files *
20	*********************************************************************************************************************************/
21	#include <VBox/com/com.h>
22	#include <VBox/com/string.h>
23	#include <VBox/com/array.h>
24	#include <VBox/com/Guid.h>
25	#include <VBox/com/ErrorInfo.h>
26	#include <VBox/com/errorprint.h>
27	#include <iprt/assert.h>
28	#include <iprt/errcore.h>
29	#include <VBox/com/VirtualBox.h>
30	#include <iprt/stream.h>
31	#include <iprt/semaphore.h>
32	#include <iprt/thread.h>
33	#include <VBox/sup.h>
34
35	#include <vector>
36	#include <algorithm>
37
38	#include <iprt/test.h>
39	#include <iprt/time.h>
40	#include <iprt/rand.h>
41	#include <iprt/getopt.h>
42
43	using namespace com;
44
45
46	/*********************************************************************************************************************************
47	* Structures and Typedefs *
48	*********************************************************************************************************************************/
49	/* Arguments of test thread */
50	struct TestThreadArgs
51	{
52	/** number of machines that should be run simultaneousely */
53	uint32_t machinesPackSize;
54	/** percents of VM Stop operation what should be called
55	* without session unlocking */
56	uint32_t percentsUnlok;
57	/** How much time in milliseconds test will be executed */
58	uint64_t cMsExecutionTime;
59	/** How much machines create for the test */
60	uint32_t numberMachines;
61	};
62
63
64	/*********************************************************************************************************************************
65	* Global Variables & defs *
66	*********************************************************************************************************************************/
67	static RTTEST g_hTest;
68	#ifdef RT_ARCH_AMD64
69	typedef std::vector<Bstr> TMachinesList;
70	static volatile bool g_RunTest = true;
71	static RTSEMEVENT g_PingEevent;
72	static volatile uint64_t g_Counter = 0;
73	static TestThreadArgs g_Args;
74
75
76	/** Worker for TST_COM_EXPR(). */
77	static HRESULT tstComExpr(HRESULT hrc, const char *pszOperation, int iLine)
78	{
79	if (FAILED(hrc))
80	{
81	RTTestFailed(g_hTest, "%s failed on line %u with hrc=%Rhrc\n", pszOperation, iLine, hrc);
82	}
83	return hrc;
84	}
85
86
87	#define CHECK_ERROR_L(iface, method) \
88	do { \
89	rc = iface->method; \
90	if (FAILED(rc)) \
91	RTPrintf("warning: %s->%s failed on line %u with hrc=%Rhrc\n", #iface, #method, __LINE__, rc);\
92	} while (0)
93
94
95	/** Macro that executes the given expression and report any failure.
96	* The expression must return a HRESULT. */
97	#define TST_COM_EXPR(expr) tstComExpr(expr, #expr, __LINE__)
98
99
100	static int tstStartVM(IVirtualBox pVBox, ISession pSession, Bstr machineID, bool fSkipUnlock)
101	{
102	HRESULT rc;
103	ComPtr<IProgress> progress;
104	ComPtr<IMachine> machine;
105	Bstr machineName;
106
107	rc = TST_COM_EXPR(pVBox->FindMachine(machineID.raw(), machine.asOutParam()));
108	if(SUCCEEDED(rc))
109	rc = TST_COM_EXPR(machine->COMGETTER(Name)(machineName.asOutParam()));
110	if(SUCCEEDED(rc))
111	{
112	rc = machine->LaunchVMProcess(pSession, Bstr("headless").raw(),
113	ComSafeArrayNullInParam(), progress.asOutParam());
114	}
115	if (SUCCEEDED(rc) && !progress.isNull())
116	{
117	CHECK_ERROR_L(progress, WaitForCompletion(-1));
118	if (SUCCEEDED(rc))
119	{
120	BOOL completed = true;
121	CHECK_ERROR_L(progress, COMGETTER(Completed)(&completed));
122	if (SUCCEEDED(rc))
123	{
124	Assert(completed);
125	LONG iRc;
126	CHECK_ERROR_L(progress, COMGETTER(ResultCode)(&iRc));
127	if (SUCCEEDED(rc))
128	{
129	if (FAILED(iRc))
130	{
131	ProgressErrorInfo info(progress);
132	RTPrintf("Start VM '%ls' failed. Warning: %ls.\n", machineName.raw(), info.getText().raw());
133	}
134	else
135	RTPrintf("VM '%ls' started.\n", machineName.raw());
136	}
137	}
138	}
139	if (!fSkipUnlock)
140	pSession->UnlockMachine();
141	else
142	RTPrintf("Session unlock skipped.\n");
143	}
144	return rc;
145	}
146
147
148	static int tstStopVM(IVirtualBox* pVBox, ISession* pSession, Bstr machineID, bool fSkipUnlock)
149	{
150	ComPtr<IMachine> machine;
151	HRESULT rc = TST_COM_EXPR(pVBox->FindMachine(machineID.raw(), machine.asOutParam()));
152	if (SUCCEEDED(rc))
153	{
154	Bstr machineName;
155	rc = TST_COM_EXPR(machine->COMGETTER(Name)(machineName.asOutParam()));
156	if (SUCCEEDED(rc))
157	{
158	MachineState_T machineState;
159	rc = TST_COM_EXPR(machine->COMGETTER(State)(&machineState));
160	// check that machine is in running state
161	if ( SUCCEEDED(rc)
162	&& ( machineState == MachineState_Running
163	\|\| machineState == MachineState_Paused))
164	{
165	ComPtr<IConsole> console;
166	ComPtr<IProgress> progress;
167
168	rc = TST_COM_EXPR(machine->LockMachine(pSession, LockType_Shared));
169	if(SUCCEEDED(rc))
170	TST_COM_EXPR(pSession->COMGETTER(Console)(console.asOutParam()));
171	if(SUCCEEDED(rc))
172	rc = console->PowerDown(progress.asOutParam());
173	if (SUCCEEDED(rc) && !progress.isNull())
174	{
175	//RTPrintf("Stopping VM %ls...\n", machineName.raw());
176	CHECK_ERROR_L(progress, WaitForCompletion(-1));
177	if (SUCCEEDED(rc))
178	{
179	BOOL completed = true;
180	CHECK_ERROR_L(progress, COMGETTER(Completed)(&completed));
181	if (SUCCEEDED(rc))
182	{
183	//ASSERT(completed);
184	LONG iRc;
185	CHECK_ERROR_L(progress, COMGETTER(ResultCode)(&iRc));
186	if (SUCCEEDED(rc))
187	{
188	if (FAILED(iRc))
189	{
190	ProgressErrorInfo info(progress);
191	RTPrintf("Stop VM %ls failed. Warning: %ls.\n", machineName.raw(), info.getText().raw());
192	rc = iRc;
193	}
194	else
195	{
196	RTPrintf("VM '%ls' stopped.\n", machineName.raw());
197	}
198	}
199	}
200	}
201	if (!fSkipUnlock)
202	pSession->UnlockMachine();
203	else
204	RTPrintf("Session unlock skipped.\n");
205	}
206	}
207	}
208	}
209	return rc;
210	}
211
212
213	/**
214	* Get random @a maxCount machines from list of existing VMs.
215	*
216	* @note Can return less then maxCount machines.
217	*/
218	static int tstGetMachinesList(IVirtualBox *pVBox, uint32_t maxCount, TMachinesList &listToFill)
219	{
220	com::SafeIfaceArray<IMachine> machines;
221	HRESULT rc = TST_COM_EXPR(pVBox->COMGETTER(Machines)(ComSafeArrayAsOutParam(machines)));
222	if (SUCCEEDED(rc))
223	{
224
225	size_t cMachines = RT_MIN(machines.size(), maxCount);
226	for (size_t i = 0; i < cMachines; ++i)
227	{
228	// choose random index of machine
229	uint32_t idx = RTRandU32Ex(0, (uint32_t)machines.size() - 1);
230	if (machines[idx])
231	{
232	Bstr bstrId;
233	Bstr machineName;
234	CHECK_ERROR_L(machines[idx], COMGETTER(Id)(bstrId.asOutParam()));
235	if (SUCCEEDED(rc))
236	CHECK_ERROR_L(machines[idx], COMGETTER(Name)(machineName.asOutParam()));
237	if (SUCCEEDED(rc))
238	{
239	if (Utf8Str(machineName).startsWith("umtvm"))
240	listToFill.push_back(bstrId);
241	}
242	}
243	}
244
245	// remove duplicates from the vector
246	std::sort(listToFill.begin(), listToFill.end());
247	listToFill.erase(std::unique(listToFill.begin(), listToFill.end()), listToFill.end());
248	RTPrintf("Filled pack of %d from %d machines.\n", listToFill.size(), machines.size());
249	}
250
251	return rc;
252	}
253
254
255	static int tstMachinesPack(IVirtualBox *pVBox, uint32_t maxPackSize, uint32_t percentage)
256	{
257	HRESULT rc = S_OK;
258	TMachinesList machinesList;
259	bool alwaysUnlock = false;
260	uint64_t percN = 0;
261
262	// choose and fill pack of machines for test
263	tstGetMachinesList(pVBox, maxPackSize, machinesList);
264
265	RTPrintf("Start test.\n");
266	// screw up counter
267	g_Counter = UINT64_MAX - machinesList.size() <= g_Counter ? 0 : g_Counter;
268	if (percentage > 0)
269	percN = 100 / percentage;
270	else
271	alwaysUnlock = true;
272
273	// start all machines in pack
274	for (TMachinesList::iterator it = machinesList.begin();
275	it != machinesList.end() && g_RunTest;
276	++it)
277	{
278	ComPtr<ISession> session;
279	rc = session.createInprocObject(CLSID_Session);
280	if (SUCCEEDED(rc))
281	{
282	rc = tstStartVM(pVBox, session, *it, !(alwaysUnlock \|\| g_Counter++ % percN));
283	}
284	RTSemEventSignal(g_PingEevent);
285	RTThreadSleep(100);
286	}
287	// stop all machines in the pack
288	for (TMachinesList::iterator it = machinesList.begin();
289	it != machinesList.end() && g_RunTest;
290	++it)
291	{
292	ComPtr<ISession> session;
293	rc = session.createInprocObject(CLSID_Session);
294	if (SUCCEEDED(rc))
295	{
296	// stop machines, skip session unlock of given % of machines
297	rc = tstStopVM(pVBox, session, *it, !(alwaysUnlock \|\| g_Counter++ % percN));
298	}
299	RTSemEventSignal(g_PingEevent);
300	RTThreadSleep(100);
301	}
302	return rc;
303	}
304
305
306	static Bstr tstMakeMachineName(int i)
307	{
308	char szMachineName[32];
309	RTStrPrintf(szMachineName, sizeof(szMachineName), "umtvm%d", i);
310	return Bstr(szMachineName);
311	}
312
313
314	static int tstCreateMachines(IVirtualBox *pVBox)
315	{
316	HRESULT rc = S_OK;
317	// create machines for the test
318	for (uint32_t i = 0; i < g_Args.numberMachines; i++)
319	{
320	ComPtr<IMachine> ptrMachine;
321	com::SafeArray<BSTR> groups;
322
323	Bstr machineName(tstMakeMachineName(i));
324	/* Default VM settings */
325	CHECK_ERROR_L(pVBox, CreateMachine(NULL, /* Settings */
326	machineName.raw(), /* Name */
327	ComSafeArrayAsInParam(groups), /* Groups */
328	NULL, /* OS Type */
329	NULL, /* Create flags */
330	ptrMachine.asOutParam()));
331	if (SUCCEEDED(rc))
332	{
333	CHECK_ERROR_L(pVBox, RegisterMachine(ptrMachine));
334	RTPrintf("Machine '%ls' created\n", machineName.raw());
335	}
336
337	RTSemEventSignal(g_PingEevent);
338	RTThreadSleep(100);
339	}
340	return rc;
341	}
342
343
344	static int tstClean(IVirtualBox pVBox, IVirtualBoxClient pClient)
345	{
346	NOREF(pClient);
347	HRESULT rc = S_OK;
348
349	// stop all machines created for the test
350	for (uint32_t i = 0; i < g_Args.numberMachines; i++)
351	{
352	ComPtr<IMachine> machine;
353	ComPtr<IProgress> progress;
354	ComPtr<ISession> session;
355	SafeIfaceArray<IMedium> media;
356
357	Bstr machineName(tstMakeMachineName(i));
358
359	/* Delete created VM and its files */
360	CHECK_ERROR_L(pVBox, FindMachine(machineName.raw(), machine.asOutParam()));
361
362	// try to stop it again if it was not stopped
363	if (SUCCEEDED(rc))
364	{
365	MachineState_T machineState;
366	CHECK_ERROR_L(machine, COMGETTER(State)(&machineState));
367	if ( SUCCEEDED(rc)
368	&& ( machineState == MachineState_Running
369	\|\| machineState == MachineState_Paused) )
370	{
371	rc = session.createInprocObject(CLSID_Session);
372	if (SUCCEEDED(rc))
373	tstStopVM(pVBox, session, machineName, FALSE);
374	}
375	}
376
377	if (SUCCEEDED(rc))
378	CHECK_ERROR_L(machine, Unregister(CleanupMode_DetachAllReturnHardDisksOnly, ComSafeArrayAsOutParam(media)));
379	if (SUCCEEDED(rc))
380	CHECK_ERROR_L(machine, DeleteConfig(ComSafeArrayAsInParam(media), progress.asOutParam()));
381	if (SUCCEEDED(rc))
382	CHECK_ERROR_L(progress, WaitForCompletion(-1));
383	if (SUCCEEDED(rc))
384	RTPrintf("Machine '%ls' deleted.\n", machineName.raw());
385	}
386	return rc;
387	}
388
389
390	static DECLCALLBACK(int) tstThreadRun(RTTHREAD hThreadSelf, void *pvUser)
391	{
392	RT_NOREF(hThreadSelf);
393	TestThreadArgs* args = (TestThreadArgs*)pvUser;
394	Assert(args != NULL);
395	uint32_t maxPackSize = args->machinesPackSize;
396	uint32_t percentage = args->percentsUnlok;
397
398	HRESULT rc = com::Initialize();
399	if (SUCCEEDED(rc))
400	{
401	ComPtr<IVirtualBoxClient> ptrVBoxClient;
402	ComPtr<IVirtualBox> ptrVBox;
403
404	rc = TST_COM_EXPR(ptrVBoxClient.createInprocObject(CLSID_VirtualBoxClient));
405	if (SUCCEEDED(rc))
406	rc = TST_COM_EXPR(ptrVBoxClient->COMGETTER(VirtualBox)(ptrVBox.asOutParam()));
407	if (SUCCEEDED(rc))
408	{
409	RTPrintf("Creating machines...\n");
410	tstCreateMachines(ptrVBox);
411
412	while (g_RunTest)
413	{
414	rc = tstMachinesPack(ptrVBox, maxPackSize, percentage);
415	}
416
417	RTPrintf("Deleting machines...\n");
418	tstClean(ptrVBox, ptrVBoxClient);
419	}
420
421	g_RunTest = false;
422	RTSemEventSignal(g_PingEevent);
423	RTThreadSleep(100);
424
425	ptrVBox = NULL;
426	ptrVBoxClient = NULL;
427	com::Shutdown();
428	}
429	return rc;
430	}
431
432
433	static int ParseArguments(int argc, char *argv, TestThreadArgs pArgs)
434	{
435	RTGETOPTSTATE GetState;
436	RTGETOPTUNION ValueUnion;
437	static const RTGETOPTDEF s_aOptions[] =
438	{
439	{ "--packsize", 'p', RTGETOPT_REQ_UINT32 }, // number of machines to start together
440	{ "--lock", 's', RTGETOPT_REQ_UINT32 }, // percentage of VM sessions closed without Unlok
441	{ "--time", 't', RTGETOPT_REQ_UINT64 }, // required time of load test execution, in seconds
442	{ "--machines" , 'u', RTGETOPT_REQ_UINT32 }
443	};
444	int rc = RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, 0 /fFlags/);
445	AssertRCReturn(rc, rc);
446	AssertPtr(pArgs);
447
448	while ((rc = RTGetOpt(&GetState, &ValueUnion)) != 0)
449	{
450	switch (rc)
451	{
452	case 'p':
453	if (ValueUnion.u32 == 0)
454	{
455	RTPrintf("--packsize should be more then zero\n");
456	return VERR_INVALID_PARAMETER;
457	}
458	if (ValueUnion.u32 > 16000)
459	{
460	RTPrintf("maximum --packsize value is 16000.\n"
461	"That means can use no more then 16000 machines for the test.\n");
462	return VERR_INVALID_PARAMETER;
463	}
464	pArgs->machinesPackSize = ValueUnion.u32;
465	break;
466
467	case 's':
468	if (ValueUnion.u32 > 100)
469	{
470	RTPrintf("maximum --lock value is 100.\n"
471	"That means 100 percent of sessions should be closed without unlock.\n");
472	return VERR_INVALID_PARAMETER;
473	}
474	pArgs->percentsUnlok = ValueUnion.u32;
475	break;
476
477	case 't':
478	pArgs->cMsExecutionTime = ValueUnion.u64 * 1000;
479	break;
480
481	case 'u':
482	if (ValueUnion.u32 > 16000)
483	{
484	RTPrintf("maximum --machines value is 16000.\n"
485	"That means can make no more then 16000 machines for the test.\n");
486	return VERR_INVALID_PARAMETER;
487	}
488	if (ValueUnion.u32 < pArgs->machinesPackSize)
489	{
490	RTPrintf("--machines value should be larger then --packsize value.\n");
491	return VERR_INVALID_PARAMETER;
492	}
493	pArgs->numberMachines = ValueUnion.u32;
494	break;
495
496	default:
497	RTGetOptPrintError(rc, &ValueUnion);
498	return rc;
499	}
500	}
501	return rc;
502	}
503
504	#endif /* RT_ARCH_AMD64 */
505
506
507	/**
508	*
509	* Examples:
510	* - tstVBoxClientWatcherLoad --packsize 500 --lock 10 --time 14400 --machines 4000
511	* It will create 4000 VMs with names "utmvm0"..."utmvm3999". It will start
512	* 500 random VMs together, stop them, without closing their session with
513	* probability 10%, will repeat this over 4 hours. After test it will
514	* delete all "utmvm..." machines.
515	*
516	* - tstVBoxClientWatcherLoad --packsize 1 --lock 30 --time 3600 --machines 1000
517	* It will create 1000 VMs with names "utmvm0"..."utmvm999". It will start
518	* random VM - stop them, without closing their session with probability
519	* 30%, will repeat this over 30 minutes. After test it will delete all
520	* "utmvm..." machines.
521	*/
522	int main(int argc, char **argv)
523	{
524	RT_NOREF(argc, argv);
525	RTEXITCODE rcExit = RTTestInitAndCreate("tstVBoxMultipleVM", &g_hTest);
526	if (rcExit != RTEXITCODE_SUCCESS)
527	return rcExit;
528	SUPR3Init(NULL);
529	com::Initialize();
530	RTTestBanner(g_hTest);
531
532	#ifndef RT_ARCH_AMD64
533	/*
534	* Linux OOM killer when running many VMs on a 32-bit host.
535	*/
536	return RTTestSkipAndDestroy(g_hTest, "The test can only run reliably on 64-bit hosts.");
537	#else /* RT_ARCH_AMD64 */
538
539	RTPrintf("Initializing ...\n");
540	int rc = RTSemEventCreate(&g_PingEevent);
541	AssertRC(rc);
542
543	g_Args.machinesPackSize = 100;
544	g_Args.percentsUnlok = 10;
545	g_Args.cMsExecutionTime = 3*RT_MS_1MIN;
546	g_Args.numberMachines = 200;
547
548	/*
549	* Skip this test for the time being. Saw crashes on several test boxes but no time
550	* to debug.
551	*/
552	if (argc == 1)
553	return RTTestSkipAndDestroy(g_hTest, "Test crashes sometimes.\n");
554
555	rc = ParseArguments(argc, argv, &g_Args);
556	if (RT_FAILURE(rc))
557	return RTTestSkipAndDestroy(g_hTest, "Invalid arguments.\n");
558
559	RTPrintf("Arguments packSize = %d, percentUnlok = %d, time = %lld.\n",
560	g_Args.machinesPackSize, g_Args.percentsUnlok, g_Args.cMsExecutionTime);
561
562	RTTHREAD hThread;
563	rc = RTThreadCreate(&hThread, tstThreadRun, (void *)&g_Args,
564	0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "tstThreadRun");
565	if (RT_SUCCESS(rc))
566	{
567	AssertRC(rc);
568
569	uint64_t msStart = RTTimeMilliTS();
570	while (RTTimeMilliTS() - msStart < g_Args.cMsExecutionTime && g_RunTest)
571	{
572	// check that test thread didn't hang and call us periodically
573	// allowed 30 seconds for operation - msStart or stop VM
574	rc = RTSemEventWait(g_PingEevent, 3 * 60 * 1000);
575	if (RT_FAILURE(rc))
576	{
577	if (rc == VERR_TIMEOUT)
578	{
579	RTTestFailed(g_hTest, "Timeout. Deadlock?\n");
580	com::Shutdown();
581	return RTTestSummaryAndDestroy(g_hTest);
582	}
583	AssertRC(rc);
584	}
585	}
586
587	RTPrintf("Finishing...\n");
588
589	// finish test thread
590	g_RunTest = false;
591	// wait it for finish
592	RTThreadWait(hThread, RT_INDEFINITE_WAIT, &rc);
593	}
594	RTSemEventDestroy(g_PingEevent);
595
596	com::Shutdown();
597	if (RT_FAILURE(rc))
598	RTTestFailed(g_hTest, "Test failed.\n");
599	else
600	RTTestPassed(g_hTest, "Test finished.\n");
601	return RTTestSummaryAndDestroy(g_hTest);
602	#endif /* RT_ARCH_AMD64 */
603	}
604

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source: vbox/trunk/src/VBox/Main/testcase/tstVBoxMultipleVM.cpp@ 83820

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