| 1 | /* $Id: tstRTR0ThreadPreemptionDriver.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT R0 Testcase - Thread Preemption, driver program.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2009-2020 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 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #include <iprt/initterm.h>
|
|---|
| 32 |
|
|---|
| 33 | #include <iprt/asm.h>
|
|---|
| 34 | #include <iprt/cpuset.h>
|
|---|
| 35 | #include <iprt/errcore.h>
|
|---|
| 36 | #include <iprt/path.h>
|
|---|
| 37 | #include <iprt/param.h>
|
|---|
| 38 | #include <iprt/stream.h>
|
|---|
| 39 | #include <iprt/string.h>
|
|---|
| 40 | #include <iprt/test.h>
|
|---|
| 41 | #include <iprt/time.h>
|
|---|
| 42 | #include <iprt/thread.h>
|
|---|
| 43 | #ifdef VBOX
|
|---|
| 44 | # include <VBox/sup.h>
|
|---|
| 45 | # include "tstRTR0ThreadPreemption.h"
|
|---|
| 46 | #endif
|
|---|
| 47 |
|
|---|
| 48 |
|
|---|
| 49 | /*********************************************************************************************************************************
|
|---|
| 50 | * Global Variables *
|
|---|
| 51 | *********************************************************************************************************************************/
|
|---|
| 52 | static bool volatile g_fTerminate = false;
|
|---|
| 53 |
|
|---|
| 54 |
|
|---|
| 55 | /**
|
|---|
| 56 | * Try make sure all online CPUs will be engaged.
|
|---|
| 57 | */
|
|---|
| 58 | static DECLCALLBACK(int) MyThreadProc(RTTHREAD hSelf, void *pvCpuIdx)
|
|---|
| 59 | {
|
|---|
| 60 | RT_NOREF1(hSelf);
|
|---|
| 61 | RTCPUSET Affinity;
|
|---|
| 62 | RTCpuSetEmpty(&Affinity);
|
|---|
| 63 | RTCpuSetAddByIndex(&Affinity, (intptr_t)pvCpuIdx);
|
|---|
| 64 | RTThreadSetAffinity(&Affinity); /* ignore return code as it's not supported on all hosts. */
|
|---|
| 65 |
|
|---|
| 66 | while (!g_fTerminate)
|
|---|
| 67 | {
|
|---|
| 68 | uint64_t tsStart = RTTimeMilliTS();
|
|---|
| 69 | do
|
|---|
| 70 | {
|
|---|
| 71 | ASMNopPause();
|
|---|
| 72 | } while (RTTimeMilliTS() - tsStart < 8);
|
|---|
| 73 | RTThreadSleep(4);
|
|---|
| 74 | }
|
|---|
| 75 |
|
|---|
| 76 | return VINF_SUCCESS;
|
|---|
| 77 | }
|
|---|
| 78 |
|
|---|
| 79 |
|
|---|
| 80 | /**
|
|---|
| 81 | * Entry point.
|
|---|
| 82 | */
|
|---|
| 83 | extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv, char **envp)
|
|---|
| 84 | {
|
|---|
| 85 | RT_NOREF3(argc, argv, envp);
|
|---|
| 86 | #ifndef VBOX
|
|---|
| 87 | RTPrintf("tstSup: SKIPPED\n");
|
|---|
| 88 | return 0;
|
|---|
| 89 | #else
|
|---|
| 90 | /*
|
|---|
| 91 | * Init.
|
|---|
| 92 | */
|
|---|
| 93 | RTTEST hTest;
|
|---|
| 94 | int rc = RTTestInitAndCreate("tstRTR0ThreadPreemption", &hTest);
|
|---|
| 95 | if (rc)
|
|---|
| 96 | return rc;
|
|---|
| 97 | RTTestBanner(hTest);
|
|---|
| 98 |
|
|---|
| 99 | PSUPDRVSESSION pSession;
|
|---|
| 100 | rc = SUPR3Init(&pSession);
|
|---|
| 101 | if (RT_FAILURE(rc))
|
|---|
| 102 | {
|
|---|
| 103 | RTTestFailed(hTest, "SUPR3Init failed with rc=%Rrc\n", rc);
|
|---|
| 104 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 105 | }
|
|---|
| 106 |
|
|---|
| 107 | char szPath[RTPATH_MAX];
|
|---|
| 108 | rc = RTPathExecDir(szPath, sizeof(szPath));
|
|---|
| 109 | if (RT_SUCCESS(rc))
|
|---|
| 110 | rc = RTPathAppend(szPath, sizeof(szPath), "tstRTR0ThreadPreemption.r0");
|
|---|
| 111 | if (RT_FAILURE(rc))
|
|---|
| 112 | {
|
|---|
| 113 | RTTestFailed(hTest, "Failed constructing .r0 filename (rc=%Rrc)", rc);
|
|---|
| 114 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 115 | }
|
|---|
| 116 |
|
|---|
| 117 | void *pvImageBase;
|
|---|
| 118 | rc = SUPR3LoadServiceModule(szPath, "tstRTR0ThreadPreemption",
|
|---|
| 119 | "TSTRTR0ThreadPreemptionSrvReqHandler",
|
|---|
| 120 | &pvImageBase);
|
|---|
| 121 | if (RT_FAILURE(rc))
|
|---|
| 122 | {
|
|---|
| 123 | RTTestFailed(hTest, "SUPR3LoadServiceModule(%s,,,) failed with rc=%Rrc\n", szPath, rc);
|
|---|
| 124 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 125 | }
|
|---|
| 126 |
|
|---|
| 127 | /* test request */
|
|---|
| 128 | struct
|
|---|
| 129 | {
|
|---|
| 130 | SUPR0SERVICEREQHDR Hdr;
|
|---|
| 131 | char szMsg[256];
|
|---|
| 132 | } Req;
|
|---|
| 133 |
|
|---|
| 134 | /*
|
|---|
| 135 | * Sanity checks.
|
|---|
| 136 | */
|
|---|
| 137 | RTTestSub(hTest, "Sanity");
|
|---|
| 138 | Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
|
|---|
| 139 | Req.Hdr.cbReq = sizeof(Req);
|
|---|
| 140 | Req.szMsg[0] = '\0';
|
|---|
| 141 | RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1,
|
|---|
| 142 | TSTRTR0THREADPREEMPTION_SANITY_OK, 0, &Req.Hdr), VINF_SUCCESS);
|
|---|
| 143 | if (RT_FAILURE(rc))
|
|---|
| 144 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 145 | RTTESTI_CHECK_MSG(Req.szMsg[0] == '\0', ("%s", Req.szMsg));
|
|---|
| 146 | if (Req.szMsg[0] != '\0')
|
|---|
| 147 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 148 |
|
|---|
| 149 | Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
|
|---|
| 150 | Req.Hdr.cbReq = sizeof(Req);
|
|---|
| 151 | Req.szMsg[0] = '\0';
|
|---|
| 152 | RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1,
|
|---|
| 153 | TSTRTR0THREADPREEMPTION_SANITY_FAILURE, 0, &Req.Hdr), VINF_SUCCESS);
|
|---|
| 154 | if (RT_FAILURE(rc))
|
|---|
| 155 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 156 | RTTESTI_CHECK_MSG(!strncmp(Req.szMsg, RT_STR_TUPLE("!42failure42")), ("%s", Req.szMsg));
|
|---|
| 157 | if (strncmp(Req.szMsg, RT_STR_TUPLE("!42failure42")))
|
|---|
| 158 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 159 |
|
|---|
| 160 | /*
|
|---|
| 161 | * Basic tests, bail out on failure.
|
|---|
| 162 | */
|
|---|
| 163 | RTTestSub(hTest, "Basics");
|
|---|
| 164 | Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
|
|---|
| 165 | Req.Hdr.cbReq = sizeof(Req);
|
|---|
| 166 | Req.szMsg[0] = '\0';
|
|---|
| 167 | RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1,
|
|---|
| 168 | TSTRTR0THREADPREEMPTION_BASIC, 0, &Req.Hdr), VINF_SUCCESS);
|
|---|
| 169 | if (RT_FAILURE(rc))
|
|---|
| 170 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 171 | if (Req.szMsg[0] == '!')
|
|---|
| 172 | {
|
|---|
| 173 | RTTestIFailed("%s", &Req.szMsg[1]);
|
|---|
| 174 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 175 | }
|
|---|
| 176 | if (Req.szMsg[0])
|
|---|
| 177 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg);
|
|---|
| 178 |
|
|---|
| 179 | /*
|
|---|
| 180 | * Is it trusty.
|
|---|
| 181 | */
|
|---|
| 182 | RTTestSub(hTest, "RTThreadPreemptIsPendingTrusty");
|
|---|
| 183 | Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
|
|---|
| 184 | Req.Hdr.cbReq = sizeof(Req);
|
|---|
| 185 | Req.szMsg[0] = '\0';
|
|---|
| 186 | RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1,
|
|---|
| 187 | TSTRTR0THREADPREEMPTION_IS_TRUSTY, 0, &Req.Hdr), VINF_SUCCESS);
|
|---|
| 188 | if (RT_FAILURE(rc))
|
|---|
| 189 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 190 | if (Req.szMsg[0] == '!')
|
|---|
| 191 | RTTestIFailed("%s", &Req.szMsg[1]);
|
|---|
| 192 | else if (Req.szMsg[0])
|
|---|
| 193 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg);
|
|---|
| 194 |
|
|---|
| 195 | /*
|
|---|
| 196 | * Stay in ring-0 until preemption is pending.
|
|---|
| 197 | */
|
|---|
| 198 | RTTHREAD ahThreads[RTCPUSET_MAX_CPUS];
|
|---|
| 199 | RTCPUSET OnlineSet;
|
|---|
| 200 | RTMpGetOnlineSet(&OnlineSet);
|
|---|
| 201 | for (uint32_t i = 0; i < RT_ELEMENTS(ahThreads); i++)
|
|---|
| 202 | {
|
|---|
| 203 | ahThreads[i] = NIL_RTTHREAD;
|
|---|
| 204 | if (RTCpuSetIsMemberByIndex(&OnlineSet, i))
|
|---|
| 205 | RTThreadCreateF(&ahThreads[i], MyThreadProc, (void *)(uintptr_t)i, 0, RTTHREADTYPE_DEFAULT,
|
|---|
| 206 | RTTHREADFLAGS_WAITABLE, "cpu=%u", i);
|
|---|
| 207 | }
|
|---|
| 208 |
|
|---|
| 209 |
|
|---|
| 210 | RTTestSub(hTest, "Pending Preemption");
|
|---|
| 211 | RTThreadSleep(250); /** @todo fix GIP initialization? */
|
|---|
| 212 | for (int i = 0; ; i++)
|
|---|
| 213 | {
|
|---|
| 214 | Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
|
|---|
| 215 | Req.Hdr.cbReq = sizeof(Req);
|
|---|
| 216 | Req.szMsg[0] = '\0';
|
|---|
| 217 | RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1,
|
|---|
| 218 | TSTRTR0THREADPREEMPTION_IS_PENDING, 0, &Req.Hdr), VINF_SUCCESS);
|
|---|
| 219 | if ( strcmp(Req.szMsg, "!cLoops=1\n")
|
|---|
| 220 | || i >= 64)
|
|---|
| 221 | {
|
|---|
| 222 | if (Req.szMsg[0] == '!')
|
|---|
| 223 | RTTestIFailed("%s", &Req.szMsg[1]);
|
|---|
| 224 | else if (Req.szMsg[0])
|
|---|
| 225 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg);
|
|---|
| 226 | break;
|
|---|
| 227 | }
|
|---|
| 228 | if ((i % 3) == 0)
|
|---|
| 229 | RTThreadYield();
|
|---|
| 230 | else if ((i % 16) == 0)
|
|---|
| 231 | RTThreadSleep(8);
|
|---|
| 232 | }
|
|---|
| 233 |
|
|---|
| 234 | ASMAtomicWriteBool(&g_fTerminate, true);
|
|---|
| 235 | for (uint32_t i = 0; i < RT_ELEMENTS(ahThreads); i++)
|
|---|
| 236 | if (ahThreads[i] != NIL_RTTHREAD)
|
|---|
| 237 | RTThreadWait(ahThreads[i], 5000, NULL);
|
|---|
| 238 |
|
|---|
| 239 | /*
|
|---|
| 240 | * Test nested RTThreadPreemptDisable calls.
|
|---|
| 241 | */
|
|---|
| 242 | RTTestSub(hTest, "Nested");
|
|---|
| 243 | Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
|
|---|
| 244 | Req.Hdr.cbReq = sizeof(Req);
|
|---|
| 245 | Req.szMsg[0] = '\0';
|
|---|
| 246 | RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1,
|
|---|
| 247 | TSTRTR0THREADPREEMPTION_NESTED, 0, &Req.Hdr), VINF_SUCCESS);
|
|---|
| 248 | if (Req.szMsg[0] == '!')
|
|---|
| 249 | RTTestIFailed("%s", &Req.szMsg[1]);
|
|---|
| 250 | else if (Req.szMsg[0])
|
|---|
| 251 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg);
|
|---|
| 252 |
|
|---|
| 253 |
|
|---|
| 254 | /*
|
|---|
| 255 | * Test thread-context hooks.
|
|---|
| 256 | */
|
|---|
| 257 | RTTestSub(hTest, "RTThreadCtxHooks");
|
|---|
| 258 | uint64_t u64StartTS = RTTimeMilliTS();
|
|---|
| 259 | uint64_t cMsMax = 60000; /* ca. 1 minute timeout. */
|
|---|
| 260 | uint64_t cMsElapsed;
|
|---|
| 261 | for (unsigned i = 0; i < 50; i++)
|
|---|
| 262 | {
|
|---|
| 263 | Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC;
|
|---|
| 264 | Req.Hdr.cbReq = sizeof(Req);
|
|---|
| 265 | Req.szMsg[0] = '\0';
|
|---|
| 266 | RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1,
|
|---|
| 267 | TSTRTR0THREADPREEMPTION_CTXHOOKS, 0, &Req.Hdr), VINF_SUCCESS);
|
|---|
| 268 | if (RT_FAILURE(rc))
|
|---|
| 269 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 270 | if (Req.szMsg[0] == '!')
|
|---|
| 271 | RTTestIFailed("%s", &Req.szMsg[1]);
|
|---|
| 272 | else if (Req.szMsg[0])
|
|---|
| 273 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg);
|
|---|
| 274 | if (!(i % 10))
|
|---|
| 275 | RTTestIPrintf(RTTESTLVL_ALWAYS, "RTThreadCtxHooks passed %u iteration(s)\n", i);
|
|---|
| 276 |
|
|---|
| 277 | /* Check timeout and bail. */
|
|---|
| 278 | cMsElapsed = RTTimeMilliTS() - u64StartTS;
|
|---|
| 279 | if (cMsElapsed > cMsMax)
|
|---|
| 280 | {
|
|---|
| 281 | RTTestIPrintf(RTTESTLVL_INFO, "RTThreadCtxHooks Stopping iterations. %RU64 ms. for %u iterations.\n",
|
|---|
| 282 | cMsElapsed, i);
|
|---|
| 283 | break;
|
|---|
| 284 | }
|
|---|
| 285 | }
|
|---|
| 286 |
|
|---|
| 287 | /*
|
|---|
| 288 | * Done.
|
|---|
| 289 | */
|
|---|
| 290 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 291 | #endif
|
|---|
| 292 | }
|
|---|
| 293 |
|
|---|
| 294 |
|
|---|
| 295 | #if !defined(VBOX_WITH_HARDENING) || !defined(RT_OS_WINDOWS)
|
|---|
| 296 | /**
|
|---|
| 297 | * Main entry point.
|
|---|
| 298 | */
|
|---|
| 299 | int main(int argc, char **argv, char **envp)
|
|---|
| 300 | {
|
|---|
| 301 | return TrustedMain(argc, argv, envp);
|
|---|
| 302 | }
|
|---|
| 303 | #endif
|
|---|
| 304 |
|
|---|
