diff options
Diffstat (limited to 'src/VBox/Runtime/testcase/tstRTR0ThreadPreemptionDriver.cpp')
| -rw-r--r-- | src/VBox/Runtime/testcase/tstRTR0ThreadPreemptionDriver.cpp | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstRTR0ThreadPreemptionDriver.cpp b/src/VBox/Runtime/testcase/tstRTR0ThreadPreemptionDriver.cpp new file mode 100644 index 00000000..282e60a0 --- /dev/null +++ b/src/VBox/Runtime/testcase/tstRTR0ThreadPreemptionDriver.cpp @@ -0,0 +1,314 @@ +/* $Id: tstRTR0ThreadPreemptionDriver.cpp $ */ +/** @file + * IPRT R0 Testcase - Thread Preemption, driver program. + */ + +/* + * Copyright (C) 2009-2023 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>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include <iprt/initterm.h> + +#include <iprt/asm.h> +#include <iprt/cpuset.h> +#include <iprt/errcore.h> +#include <iprt/path.h> +#include <iprt/param.h> +#include <iprt/stream.h> +#include <iprt/string.h> +#include <iprt/test.h> +#include <iprt/time.h> +#include <iprt/thread.h> +#ifdef VBOX +# include <VBox/sup.h> +# include "tstRTR0ThreadPreemption.h" +#endif + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +static bool volatile g_fTerminate = false; + + +/** + * Try make sure all online CPUs will be engaged. + */ +static DECLCALLBACK(int) MyThreadProc(RTTHREAD hSelf, void *pvCpuIdx) +{ + RT_NOREF1(hSelf); + RTCPUSET Affinity; + RTCpuSetEmpty(&Affinity); + RTCpuSetAddByIndex(&Affinity, (intptr_t)pvCpuIdx); + RTThreadSetAffinity(&Affinity); /* ignore return code as it's not supported on all hosts. */ + + while (!g_fTerminate) + { + uint64_t tsStart = RTTimeMilliTS(); + do + { + ASMNopPause(); + } while (RTTimeMilliTS() - tsStart < 8); + RTThreadSleep(4); + } + + return VINF_SUCCESS; +} + + +/** + * Entry point. + */ +extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv, char **envp) +{ + RT_NOREF3(argc, argv, envp); +#ifndef VBOX + RTPrintf("tstSup: SKIPPED\n"); + return 0; +#else + /* + * Init. + */ + RTTEST hTest; + int rc = RTTestInitAndCreate("tstRTR0ThreadPreemption", &hTest); + if (rc) + return rc; + RTTestBanner(hTest); + + PSUPDRVSESSION pSession; + rc = SUPR3Init(&pSession); + if (RT_FAILURE(rc)) + { + RTTestFailed(hTest, "SUPR3Init failed with rc=%Rrc\n", rc); + return RTTestSummaryAndDestroy(hTest); + } + + char szPath[RTPATH_MAX]; + rc = RTPathExecDir(szPath, sizeof(szPath)); + if (RT_SUCCESS(rc)) + rc = RTPathAppend(szPath, sizeof(szPath), "tstRTR0ThreadPreemption.r0"); + if (RT_FAILURE(rc)) + { + RTTestFailed(hTest, "Failed constructing .r0 filename (rc=%Rrc)", rc); + return RTTestSummaryAndDestroy(hTest); + } + + void *pvImageBase; + rc = SUPR3LoadServiceModule(szPath, "tstRTR0ThreadPreemption", + "TSTRTR0ThreadPreemptionSrvReqHandler", + &pvImageBase); + if (RT_FAILURE(rc)) + { + RTTestFailed(hTest, "SUPR3LoadServiceModule(%s,,,) failed with rc=%Rrc\n", szPath, rc); + return RTTestSummaryAndDestroy(hTest); + } + + /* test request */ + struct + { + SUPR0SERVICEREQHDR Hdr; + char szMsg[256]; + } Req; + + /* + * Sanity checks. + */ + RTTestSub(hTest, "Sanity"); + Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC; + Req.Hdr.cbReq = sizeof(Req); + Req.szMsg[0] = '\0'; + RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1, + TSTRTR0THREADPREEMPTION_SANITY_OK, 0, &Req.Hdr), VINF_SUCCESS); + if (RT_FAILURE(rc)) + return RTTestSummaryAndDestroy(hTest); + RTTESTI_CHECK_MSG(Req.szMsg[0] == '\0', ("%s", Req.szMsg)); + if (Req.szMsg[0] != '\0') + return RTTestSummaryAndDestroy(hTest); + + Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC; + Req.Hdr.cbReq = sizeof(Req); + Req.szMsg[0] = '\0'; + RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1, + TSTRTR0THREADPREEMPTION_SANITY_FAILURE, 0, &Req.Hdr), VINF_SUCCESS); + if (RT_FAILURE(rc)) + return RTTestSummaryAndDestroy(hTest); + RTTESTI_CHECK_MSG(!strncmp(Req.szMsg, RT_STR_TUPLE("!42failure42")), ("%s", Req.szMsg)); + if (strncmp(Req.szMsg, RT_STR_TUPLE("!42failure42"))) + return RTTestSummaryAndDestroy(hTest); + + /* + * Basic tests, bail out on failure. + */ + RTTestSub(hTest, "Basics"); + Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC; + Req.Hdr.cbReq = sizeof(Req); + Req.szMsg[0] = '\0'; + RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1, + TSTRTR0THREADPREEMPTION_BASIC, 0, &Req.Hdr), VINF_SUCCESS); + if (RT_FAILURE(rc)) + return RTTestSummaryAndDestroy(hTest); + if (Req.szMsg[0] == '!') + { + RTTestIFailed("%s", &Req.szMsg[1]); + return RTTestSummaryAndDestroy(hTest); + } + if (Req.szMsg[0]) + RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg); + + /* + * Is it trusty. + */ + RTTestSub(hTest, "RTThreadPreemptIsPendingTrusty"); + Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC; + Req.Hdr.cbReq = sizeof(Req); + Req.szMsg[0] = '\0'; + RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1, + TSTRTR0THREADPREEMPTION_IS_TRUSTY, 0, &Req.Hdr), VINF_SUCCESS); + if (RT_FAILURE(rc)) + return RTTestSummaryAndDestroy(hTest); + if (Req.szMsg[0] == '!') + RTTestIFailed("%s", &Req.szMsg[1]); + else if (Req.szMsg[0]) + RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg); + + /* + * Stay in ring-0 until preemption is pending. + */ + RTTHREAD ahThreads[RTCPUSET_MAX_CPUS]; + RTCPUSET OnlineSet; + RTMpGetOnlineSet(&OnlineSet); + for (uint32_t i = 0; i < RT_ELEMENTS(ahThreads); i++) + { + ahThreads[i] = NIL_RTTHREAD; + if (RTCpuSetIsMemberByIndex(&OnlineSet, i)) + RTThreadCreateF(&ahThreads[i], MyThreadProc, (void *)(uintptr_t)i, 0, RTTHREADTYPE_DEFAULT, + RTTHREADFLAGS_WAITABLE, "cpu=%u", i); + } + + + RTTestSub(hTest, "Pending Preemption"); + RTThreadSleep(250); /** @todo fix GIP initialization? */ + for (int i = 0; ; i++) + { + Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC; + Req.Hdr.cbReq = sizeof(Req); + Req.szMsg[0] = '\0'; + RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1, + TSTRTR0THREADPREEMPTION_IS_PENDING, 0, &Req.Hdr), VINF_SUCCESS); + if ( strcmp(Req.szMsg, "!cLoops=1\n") + || i >= 64) + { + if (Req.szMsg[0] == '!') + RTTestIFailed("%s", &Req.szMsg[1]); + else if (Req.szMsg[0]) + RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg); + break; + } + if ((i % 3) == 0) + RTThreadYield(); + else if ((i % 16) == 0) + RTThreadSleep(8); + } + + ASMAtomicWriteBool(&g_fTerminate, true); + for (uint32_t i = 0; i < RT_ELEMENTS(ahThreads); i++) + if (ahThreads[i] != NIL_RTTHREAD) + RTThreadWait(ahThreads[i], 5000, NULL); + + /* + * Test nested RTThreadPreemptDisable calls. + */ + RTTestSub(hTest, "Nested"); + Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC; + Req.Hdr.cbReq = sizeof(Req); + Req.szMsg[0] = '\0'; + RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1, + TSTRTR0THREADPREEMPTION_NESTED, 0, &Req.Hdr), VINF_SUCCESS); + if (Req.szMsg[0] == '!') + RTTestIFailed("%s", &Req.szMsg[1]); + else if (Req.szMsg[0]) + RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg); + + + /* + * Test thread-context hooks. + */ + RTTestSub(hTest, "RTThreadCtxHooks"); + uint64_t u64StartTS = RTTimeMilliTS(); + uint64_t cMsMax = 60000; /* ca. 1 minute timeout. */ + uint64_t cMsElapsed; + for (unsigned i = 0; i < 50; i++) + { + Req.Hdr.u32Magic = SUPR0SERVICEREQHDR_MAGIC; + Req.Hdr.cbReq = sizeof(Req); + Req.szMsg[0] = '\0'; + RTTESTI_CHECK_RC(rc = SUPR3CallR0Service("tstRTR0ThreadPreemption", sizeof("tstRTR0ThreadPreemption") - 1, + TSTRTR0THREADPREEMPTION_CTXHOOKS, 0, &Req.Hdr), VINF_SUCCESS); + if (RT_FAILURE(rc)) + return RTTestSummaryAndDestroy(hTest); + if (Req.szMsg[0] == '!') + RTTestIFailed("%s", &Req.szMsg[1]); + else if (Req.szMsg[0]) + RTTestIPrintf(RTTESTLVL_ALWAYS, "%s", Req.szMsg); + if (!(i % 10)) + RTTestIPrintf(RTTESTLVL_ALWAYS, "RTThreadCtxHooks passed %u iteration(s)\n", i); + + /* Check timeout and bail. */ + cMsElapsed = RTTimeMilliTS() - u64StartTS; + if (cMsElapsed > cMsMax) + { + RTTestIPrintf(RTTESTLVL_INFO, "RTThreadCtxHooks Stopping iterations. %RU64 ms. for %u iterations.\n", + cMsElapsed, i); + break; + } + } + + /* + * Done. + */ + return RTTestSummaryAndDestroy(hTest); +#endif +} + + +#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 + |