1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
|
/* $Id: tstVMM.cpp $ */
/** @file
* VMM Testcase.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <VBox/vmm/vm.h>
#include <VBox/vmm/vmm.h>
#include <VBox/vmm/cpum.h>
#include <VBox/vmm/tm.h>
#include <VBox/vmm/pdmapi.h>
#include <iprt/errcore.h>
#include <VBox/log.h>
#include <iprt/assert.h>
#include <iprt/ctype.h>
#include <iprt/getopt.h>
#include <iprt/initterm.h>
#include <iprt/message.h>
#include <iprt/semaphore.h>
#include <iprt/stream.h>
#include <iprt/string.h>
#include <iprt/test.h>
#include <iprt/thread.h>
/*********************************************************************************************************************************
* Defined Constants And Macros *
*********************************************************************************************************************************/
#define TESTCASE "tstVMM"
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
static uint32_t g_cCpus = 1;
static bool g_fStat = false; /* don't create log files on the testboxes */
/*********************************************************************************************************************************
* Internal Functions *
*********************************************************************************************************************************/
VMMR3DECL(int) VMMDoTest(PVM pVM); /* Linked into VMM, see ../VMMTests.cpp. */
VMMR3DECL(int) VMMDoBruteForceMsrs(PVM pVM); /* Ditto. */
VMMR3DECL(int) VMMDoKnownMsrs(PVM pVM); /* Ditto. */
VMMR3DECL(int) VMMDoMsrExperiments(PVM pVM); /* Ditto. */
/** Dummy timer callback. */
static DECLCALLBACK(void) tstTMDummyCallback(PVM pVM, PTMTIMER pTimer, void *pvUser)
{
NOREF(pVM);
NOREF(pTimer);
NOREF(pvUser);
}
/**
* This is called on each EMT and will beat TM.
*
* @returns VINF_SUCCESS, test failure is reported via RTTEST.
* @param pVM Pointer to the VM.
* @param hTest The test handle.
*/
DECLCALLBACK(int) tstTMWorker(PVM pVM, RTTEST hTest)
{
VMCPUID idCpu = VMMGetCpuId(pVM);
RTTestPrintfNl(hTest, RTTESTLVL_ALWAYS, "idCpu=%d STARTING\n", idCpu);
/*
* Create the test set.
*/
int rc;
PTMTIMER apTimers[5];
for (size_t i = 0; i < RT_ELEMENTS(apTimers); i++)
{
rc = TMR3TimerCreateInternal(pVM, i & 1 ? TMCLOCK_VIRTUAL : TMCLOCK_VIRTUAL_SYNC,
tstTMDummyCallback, NULL, "test timer", &apTimers[i]);
RTTEST_CHECK_RET(hTest, RT_SUCCESS(rc), rc);
}
/*
* The run loop.
*/
unsigned uPrevPct = 0;
uint32_t const cLoops = 100000;
for (uint32_t iLoop = 0; iLoop < cLoops; iLoop++)
{
size_t cLeft = RT_ELEMENTS(apTimers);
unsigned i = iLoop % RT_ELEMENTS(apTimers);
while (cLeft-- > 0)
{
PTMTIMER pTimer = apTimers[i];
if ( cLeft == RT_ELEMENTS(apTimers) / 2
&& TMTimerIsActive(pTimer))
{
rc = TMTimerStop(pTimer);
RTTEST_CHECK_MSG(hTest, RT_SUCCESS(rc), (hTest, "TMTimerStop: %Rrc\n", rc));
}
else
{
rc = TMTimerSetMicro(pTimer, 50 + cLeft);
RTTEST_CHECK_MSG(hTest, RT_SUCCESS(rc), (hTest, "TMTimerSetMicro: %Rrc\n", rc));
}
/* next */
i = (i + 1) % RT_ELEMENTS(apTimers);
}
if (i % 3)
TMR3TimerQueuesDo(pVM);
/* Progress report. */
unsigned uPct = (unsigned)(100.0 * iLoop / cLoops);
if (uPct != uPrevPct)
{
uPrevPct = uPct;
if (!(uPct % 10))
RTTestPrintfNl(hTest, RTTESTLVL_ALWAYS, "idCpu=%d - %3u%%\n", idCpu, uPct);
}
}
RTTestPrintfNl(hTest, RTTESTLVL_ALWAYS, "idCpu=%d DONE\n", idCpu);
return 0;
}
/** PDMR3LdrEnumModules callback, see FNPDMR3ENUM. */
static DECLCALLBACK(int)
tstVMMLdrEnum(PVM pVM, const char *pszFilename, const char *pszName, RTUINTPTR ImageBase, size_t cbImage,
PDMLDRCTX enmCtx, void *pvUser)
{
NOREF(pVM); NOREF(pszFilename); NOREF(enmCtx); NOREF(pvUser); NOREF(cbImage);
RTPrintf("tstVMM: %RTptr %s\n", ImageBase, pszName);
return VINF_SUCCESS;
}
static DECLCALLBACK(int)
tstVMMConfigConstructor(PUVM pUVM, PVM pVM, void *pvUser)
{
RT_NOREF2(pUVM, pvUser);
int rc = CFGMR3ConstructDefaultTree(pVM);
if (RT_SUCCESS(rc))
{
PCFGMNODE pRoot = CFGMR3GetRoot(pVM);
if (g_cCpus < 2)
{
rc = CFGMR3InsertInteger(pRoot, "HMEnabled", false);
RTTESTI_CHECK_MSG_RET(RT_SUCCESS(rc),
("CFGMR3InsertInteger(pRoot,\"HMEnabled\",) -> %Rrc\n", rc), rc);
}
else if (g_cCpus > 1)
{
CFGMR3RemoveValue(pRoot, "NumCPUs");
rc = CFGMR3InsertInteger(pRoot, "NumCPUs", g_cCpus);
RTTESTI_CHECK_MSG_RET(RT_SUCCESS(rc),
("CFGMR3InsertInteger(pRoot,\"NumCPUs\",) -> %Rrc\n", rc), rc);
CFGMR3RemoveValue(pRoot, "HwVirtExtForced");
rc = CFGMR3InsertInteger(pRoot, "HwVirtExtForced", true);
RTTESTI_CHECK_MSG_RET(RT_SUCCESS(rc),
("CFGMR3InsertInteger(pRoot,\"HwVirtExtForced\",) -> %Rrc\n", rc), rc);
PCFGMNODE pHwVirtExt = CFGMR3GetChild(pRoot, "HWVirtExt");
CFGMR3RemoveNode(pHwVirtExt);
rc = CFGMR3InsertNode(pRoot, "HWVirtExt", &pHwVirtExt);
RTTESTI_CHECK_MSG_RET(RT_SUCCESS(rc),
("CFGMR3InsertNode(pRoot,\"HWVirtExt\",) -> %Rrc\n", rc), rc);
rc = CFGMR3InsertInteger(pHwVirtExt, "Enabled", true);
RTTESTI_CHECK_MSG_RET(RT_SUCCESS(rc),
("CFGMR3InsertInteger(pHwVirtExt,\"Enabled\",) -> %Rrc\n", rc), rc);
rc = CFGMR3InsertInteger(pHwVirtExt, "64bitEnabled", false);
RTTESTI_CHECK_MSG_RET(RT_SUCCESS(rc),
("CFGMR3InsertInteger(pHwVirtExt,\"64bitEnabled\",) -> %Rrc\n", rc), rc);
}
}
return rc;
}
/**
* Entry point.
*/
extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv, char **envp)
{
RT_NOREF1(envp);
/*
* Init runtime and the test environment.
*/
RTTEST hTest;
RTEXITCODE rcExit = RTTestInitExAndCreate(argc, &argv, RTR3INIT_FLAGS_SUPLIB, "tstVMM", &hTest);
if (rcExit != RTEXITCODE_SUCCESS)
return rcExit;
/*
* Parse arguments.
*/
static const RTGETOPTDEF s_aOptions[] =
{
{ "--cpus", 'c', RTGETOPT_REQ_UINT8 },
{ "--test", 't', RTGETOPT_REQ_STRING },
{ "--stat", 's', RTGETOPT_REQ_NOTHING },
};
enum
{
kTstVMMTest_VMM, kTstVMMTest_TM, kTstVMMTest_MSRs, kTstVMMTest_KnownMSRs, kTstVMMTest_MSRExperiments
} enmTestOpt = kTstVMMTest_VMM;
int ch;
RTGETOPTUNION ValueUnion;
RTGETOPTSTATE GetState;
RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, 0);
while ((ch = RTGetOpt(&GetState, &ValueUnion)))
{
switch (ch)
{
case 'c':
g_cCpus = ValueUnion.u8;
break;
case 't':
if (!strcmp("vmm", ValueUnion.psz))
enmTestOpt = kTstVMMTest_VMM;
else if (!strcmp("tm", ValueUnion.psz))
enmTestOpt = kTstVMMTest_TM;
else if (!strcmp("msr", ValueUnion.psz) || !strcmp("msrs", ValueUnion.psz))
enmTestOpt = kTstVMMTest_MSRs;
else if (!strcmp("known-msr", ValueUnion.psz) || !strcmp("known-msrs", ValueUnion.psz))
enmTestOpt = kTstVMMTest_KnownMSRs;
else if (!strcmp("msr-experiments", ValueUnion.psz))
enmTestOpt = kTstVMMTest_MSRExperiments;
else
{
RTPrintf("tstVMM: unknown test: '%s'\n", ValueUnion.psz);
return 1;
}
break;
case 's':
g_fStat = true;
break;
case 'h':
RTPrintf("usage: tstVMM [--cpus|-c cpus] [-s] [--test <vmm|tm|msrs|known-msrs>]\n");
return 1;
case 'V':
RTPrintf("$Revision: 127855 $\n");
return 0;
default:
return RTGetOptPrintError(ch, &ValueUnion);
}
}
/*
* Create the test VM.
*/
RTPrintf(TESTCASE ": Initializing...\n");
PVM pVM;
PUVM pUVM;
int rc = VMR3Create(g_cCpus, NULL, NULL, NULL, tstVMMConfigConstructor, NULL, &pVM, &pUVM);
if (RT_SUCCESS(rc))
{
PDMR3LdrEnumModules(pVM, tstVMMLdrEnum, NULL);
RTStrmFlush(g_pStdOut);
RTThreadSleep(256);
/*
* Do the requested testing.
*/
switch (enmTestOpt)
{
case kTstVMMTest_VMM:
{
RTTestSub(hTest, "VMM");
rc = VMR3ReqCallWaitU(pUVM, VMCPUID_ANY, (PFNRT)VMMDoTest, 1, pVM);
if (RT_FAILURE(rc))
RTTestFailed(hTest, "VMMDoTest failed: rc=%Rrc\n", rc);
if (g_fStat)
STAMR3Dump(pUVM, "*");
break;
}
case kTstVMMTest_TM:
{
RTTestSub(hTest, "TM");
for (VMCPUID idCpu = 1; idCpu < g_cCpus; idCpu++)
{
rc = VMR3ReqCallNoWaitU(pUVM, idCpu, (PFNRT)tstTMWorker, 2, pVM, hTest);
if (RT_FAILURE(rc))
RTTestFailed(hTest, "VMR3ReqCall failed: rc=%Rrc\n", rc);
}
rc = VMR3ReqCallWaitU(pUVM, 0 /*idDstCpu*/, (PFNRT)tstTMWorker, 2, pVM, hTest);
if (RT_FAILURE(rc))
RTTestFailed(hTest, "VMMDoTest failed: rc=%Rrc\n", rc);
if (g_fStat)
STAMR3Dump(pUVM, "*");
break;
}
case kTstVMMTest_MSRs:
{
RTTestSub(hTest, "MSRs");
if (g_cCpus == 1)
{
rc = VMR3ReqCallWaitU(pUVM, 0 /*idDstCpu*/, (PFNRT)VMMDoBruteForceMsrs, 1, pVM);
if (RT_FAILURE(rc))
RTTestFailed(hTest, "VMMDoBruteForceMsrs failed: rc=%Rrc\n", rc);
}
else
RTTestFailed(hTest, "The MSR test can only be run with one VCpu!\n");
break;
}
case kTstVMMTest_KnownMSRs:
{
RTTestSub(hTest, "Known MSRs");
if (g_cCpus == 1)
{
rc = VMR3ReqCallWaitU(pUVM, 0 /*idDstCpu*/, (PFNRT)VMMDoKnownMsrs, 1, pVM);
if (RT_FAILURE(rc))
RTTestFailed(hTest, "VMMDoKnownMsrs failed: rc=%Rrc\n", rc);
}
else
RTTestFailed(hTest, "The MSR test can only be run with one VCpu!\n");
break;
}
case kTstVMMTest_MSRExperiments:
{
RTTestSub(hTest, "MSR Experiments");
if (g_cCpus == 1)
{
rc = VMR3ReqCallWaitU(pUVM, 0 /*idDstCpu*/, (PFNRT)VMMDoMsrExperiments, 1, pVM);
if (RT_FAILURE(rc))
RTTestFailed(hTest, "VMMDoMsrExperiments failed: rc=%Rrc\n", rc);
}
else
RTTestFailed(hTest, "The MSR test can only be run with one VCpu!\n");
break;
}
}
/*
* Cleanup.
*/
rc = VMR3PowerOff(pUVM);
if (RT_FAILURE(rc))
RTTestFailed(hTest, "VMR3PowerOff failed: rc=%Rrc\n", rc);
rc = VMR3Destroy(pUVM);
if (RT_FAILURE(rc))
RTTestFailed(hTest, "VMR3Destroy failed: rc=%Rrc\n", rc);
VMR3ReleaseUVM(pUVM);
}
else
RTTestFailed(hTest, "VMR3Create failed: rc=%Rrc\n", rc);
return RTTestSummaryAndDestroy(hTest);
}
#if !defined(VBOX_WITH_HARDENING) || !defined(RT_OS_WINDOWS)
/**
* Main entry point.
*/
int main(int argc, char **argv, char **envp)
{
return TrustedMain(argc, argv, envp);
}
#endif
|
