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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/HostDrivers/Support/testcase/tstGIP-2.cpp
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/HostDrivers/Support/testcase/tstGIP-2.cpp')
-rw-r--r--src/VBox/HostDrivers/Support/testcase/tstGIP-2.cpp356
1 files changed, 356 insertions, 0 deletions
diff --git a/src/VBox/HostDrivers/Support/testcase/tstGIP-2.cpp b/src/VBox/HostDrivers/Support/testcase/tstGIP-2.cpp
new file mode 100644
index 00000000..a183ca27
--- /dev/null
+++ b/src/VBox/HostDrivers/Support/testcase/tstGIP-2.cpp
@@ -0,0 +1,356 @@
+/* $Id: tstGIP-2.cpp $ */
+/** @file
+ * SUP Testcase - Global Info Page interface (ring 3).
+ */
+
+/*
+ * Copyright (C) 2006-2023 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 <VBox/sup.h>
+#include <iprt/errcore.h>
+#include <VBox/param.h>
+#include <iprt/asm.h>
+#include <iprt/assert.h>
+#include <iprt/alloc.h>
+#include <iprt/thread.h>
+#include <iprt/stream.h>
+#include <iprt/string.h>
+#include <iprt/initterm.h>
+#include <iprt/getopt.h>
+#include <iprt/x86.h>
+
+
+/**
+ * Entry point.
+ */
+extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv)
+{
+ RTR3InitExe(argc, &argv, 0);
+
+ /*
+ * Parse args
+ */
+ static const RTGETOPTDEF g_aOptions[] =
+ {
+ { "--iterations", 'i', RTGETOPT_REQ_INT32 },
+ { "--hex", 'h', RTGETOPT_REQ_NOTHING },
+ { "--decimal", 'd', RTGETOPT_REQ_NOTHING },
+ { "--spin", 's', RTGETOPT_REQ_NOTHING },
+ { "--reference", 'r', RTGETOPT_REQ_UINT64 }, /* reference value of CpuHz, display the
+ * CpuHz deviation in a separate column. */
+ { "--notestmode", 't', RTGETOPT_REQ_NOTHING } /* don't run GIP in test-mode (atm, test-mode
+ * implies updating GIP CpuHz even when invariant) */
+ };
+
+ bool fHex = true;
+ bool fSpin = false;
+ bool fCompat = true;
+ bool fTestMode = true;
+ int ch;
+ uint32_t cIterations = 40;
+ uint64_t uCpuHzRef = UINT64_MAX;
+ RTGETOPTUNION ValueUnion;
+ RTGETOPTSTATE GetState;
+ RTGetOptInit(&GetState, argc, argv, g_aOptions, RT_ELEMENTS(g_aOptions), 1, RTGETOPTINIT_FLAGS_NO_STD_OPTS);
+ while ((ch = RTGetOpt(&GetState, &ValueUnion)))
+ {
+ switch (ch)
+ {
+ case 'i':
+ cIterations = ValueUnion.u32;
+ break;
+
+ case 'd':
+ fHex = false;
+ break;
+
+ case 'h':
+ fHex = true;
+ break;
+
+ case 's':
+ fSpin = true;
+ break;
+
+ case 'r':
+ uCpuHzRef = ValueUnion.u64;
+ break;
+
+ case 't':
+ fTestMode = false;
+ break;
+
+ default:
+ return RTGetOptPrintError(ch, &ValueUnion);
+ }
+ }
+
+ /*
+ * Init
+ */
+ PSUPDRVSESSION pSession = NIL_RTR0PTR;
+ int rc = SUPR3Init(&pSession);
+ if (RT_SUCCESS(rc))
+ {
+ if (g_pSUPGlobalInfoPage)
+ {
+ uint64_t uCpuHzOverallDeviation = 0;
+ uint32_t cCpuHzNotCompat = 0;
+ int64_t iCpuHzMaxDeviation = 0;
+ int32_t cCpuHzOverallDevCnt = 0;
+ uint32_t cCpuHzChecked = 0;
+
+ /* Pick current CpuHz as the reference if none was specified. */
+ if (uCpuHzRef == UINT64_MAX)
+ uCpuHzRef = SUPGetCpuHzFromGip(g_pSUPGlobalInfoPage);
+
+ if ( fTestMode
+ && g_pSUPGlobalInfoPage->u32Mode == SUPGIPMODE_INVARIANT_TSC)
+ SUPR3GipSetFlags(SUPGIP_FLAGS_TESTING_ENABLE, UINT32_MAX);
+
+ RTPrintf("tstGIP-2: u32Mode=%d (%s) fTestMode=%RTbool u32Version=%#x fGetGipCpu=%#RX32 cPages=%#RX32\n",
+ g_pSUPGlobalInfoPage->u32Mode,
+ SUPGetGIPModeName(g_pSUPGlobalInfoPage),
+ fTestMode,
+ g_pSUPGlobalInfoPage->u32Version,
+ g_pSUPGlobalInfoPage->fGetGipCpu,
+ g_pSUPGlobalInfoPage->cPages);
+ RTPrintf("tstGIP-2: cCpus=%d cPossibleCpus=%d cPossibleCpuGroups=%d cPresentCpus=%d cOnlineCpus=%d idCpuMax=%#x\n",
+ g_pSUPGlobalInfoPage->cCpus,
+ g_pSUPGlobalInfoPage->cPossibleCpus,
+ g_pSUPGlobalInfoPage->cPossibleCpuGroups,
+ g_pSUPGlobalInfoPage->cPresentCpus,
+ g_pSUPGlobalInfoPage->cOnlineCpus,
+ g_pSUPGlobalInfoPage->idCpuMax);
+ RTPrintf("tstGIP-2: u32UpdateHz=%RU32 u32UpdateIntervalNS=%RU32 u64NanoTSLastUpdateHz=%RX64 u64CpuHz=%RU64 uCpuHzRef=%RU64\n",
+ g_pSUPGlobalInfoPage->u32UpdateHz,
+ g_pSUPGlobalInfoPage->u32UpdateIntervalNS,
+ g_pSUPGlobalInfoPage->u64NanoTSLastUpdateHz,
+ g_pSUPGlobalInfoPage->u64CpuHz,
+ uCpuHzRef);
+ for (uint32_t iCpu = 0; iCpu < g_pSUPGlobalInfoPage->cCpus; iCpu++)
+ if (g_pSUPGlobalInfoPage->aCPUs[iCpu].enmState != SUPGIPCPUSTATE_INVALID)
+ {
+ SUPGIPCPU const *pGipCpu = &g_pSUPGlobalInfoPage->aCPUs[iCpu];
+ RTPrintf("tstGIP-2: aCPU[%3u]: enmState=%d iCpuSet=%-3u idCpu=%#010x iCpuGroup=%-2u iCpuGroupMember=%-3u idApic=%#06x\n",
+ iCpu, pGipCpu->enmState, pGipCpu->iCpuSet, pGipCpu->idCpu, pGipCpu->iCpuGroup,
+ pGipCpu->iCpuGroupMember, pGipCpu->idApic);
+ }
+
+ RTPrintf(fHex
+ ? "tstGIP-2: it: u64NanoTS delta u64TSC UpIntTSC H TransId CpuHz %sTSC Interval History...\n"
+ : "tstGIP-2: it: u64NanoTS delta u64TSC UpIntTSC H TransId CpuHz %sTSC Interval History...\n",
+ uCpuHzRef ? " CpuHz deviation Compat " : "");
+ static SUPGIPCPU s_aaCPUs[2][RTCPUSET_MAX_CPUS];
+ for (uint32_t i = 0; i < cIterations; i++)
+ {
+ /* Copy the data. */
+ memcpy(&s_aaCPUs[i & 1][0], &g_pSUPGlobalInfoPage->aCPUs[0], g_pSUPGlobalInfoPage->cCpus * sizeof(g_pSUPGlobalInfoPage->aCPUs[0]));
+
+ /* Display it & find something to spin on. */
+ uint32_t u32TransactionId = 0;
+ uint32_t volatile *pu32TransactionId = NULL;
+ for (unsigned iCpu = 0; iCpu < g_pSUPGlobalInfoPage->cCpus; iCpu++)
+ if (g_pSUPGlobalInfoPage->aCPUs[iCpu].enmState == SUPGIPCPUSTATE_ONLINE)
+ {
+ char szCpuHzDeviation[32];
+ PSUPGIPCPU pPrevCpu = &s_aaCPUs[!(i & 1)][iCpu];
+ PSUPGIPCPU pCpu = &s_aaCPUs[i & 1][iCpu];
+ if (uCpuHzRef)
+ {
+ /* Only CPU 0 is updated for invariant & sync modes, see supdrvGipUpdate(). */
+ if ( iCpu == 0
+ || g_pSUPGlobalInfoPage->u32Mode == SUPGIPMODE_ASYNC_TSC)
+ {
+ /* Wait until the history validation code takes effect. */
+ if (pCpu->u32TransactionId > 23 + (8 * 2) + 1)
+ {
+ int64_t iCpuHzDeviation = pCpu->u64CpuHz - uCpuHzRef;
+ uint64_t uCpuHzDeviation = RT_ABS(iCpuHzDeviation);
+ bool fCurHzCompat = SUPIsTscFreqCompatibleEx(uCpuHzRef, pCpu->u64CpuHz, false /*fRelax*/);
+ if (uCpuHzDeviation <= 999999999)
+ {
+ if (RT_ABS(iCpuHzDeviation) > RT_ABS(iCpuHzMaxDeviation))
+ iCpuHzMaxDeviation = iCpuHzDeviation;
+ uCpuHzOverallDeviation += uCpuHzDeviation;
+ cCpuHzOverallDevCnt++;
+ uint32_t uPct = (uint32_t)(uCpuHzDeviation * 100000 / uCpuHzRef + 5);
+ RTStrPrintf(szCpuHzDeviation, sizeof(szCpuHzDeviation), "%10RI64%3d.%02d%% %RTbool ",
+ iCpuHzDeviation, uPct / 1000, (uPct % 1000) / 10, fCurHzCompat);
+ }
+ else
+ {
+ RTStrPrintf(szCpuHzDeviation, sizeof(szCpuHzDeviation), "%17s %RTbool ", "?",
+ fCurHzCompat);
+ }
+
+ if (!fCurHzCompat)
+ ++cCpuHzNotCompat;
+ fCompat &= fCurHzCompat;
+ ++cCpuHzChecked;
+ }
+ else
+ RTStrPrintf(szCpuHzDeviation, sizeof(szCpuHzDeviation), "%25s ", "priming");
+ }
+ else
+ RTStrPrintf(szCpuHzDeviation, sizeof(szCpuHzDeviation), "%25s ", "");
+ }
+ else
+ szCpuHzDeviation[0] = '\0';
+ RTPrintf(fHex
+ ? "tstGIP-2: %4d/%d: %016llx %09llx %016llx %08x %d %08x %15llu %s%08x %08x %08x %08x %08x %08x %08x %08x (%d)\n"
+ : "tstGIP-2: %4d/%d: %016llu %09llu %016llu %010u %d %010u %15llu %s%08x %08x %08x %08x %08x %08x %08x %08x (%d)\n",
+ i, iCpu,
+ pCpu->u64NanoTS,
+ i ? pCpu->u64NanoTS - pPrevCpu->u64NanoTS : 0,
+ pCpu->u64TSC,
+ pCpu->u32UpdateIntervalTSC,
+ pCpu->iTSCHistoryHead,
+ pCpu->u32TransactionId,
+ pCpu->u64CpuHz,
+ szCpuHzDeviation,
+ pCpu->au32TSCHistory[0],
+ pCpu->au32TSCHistory[1],
+ pCpu->au32TSCHistory[2],
+ pCpu->au32TSCHistory[3],
+ pCpu->au32TSCHistory[4],
+ pCpu->au32TSCHistory[5],
+ pCpu->au32TSCHistory[6],
+ pCpu->au32TSCHistory[7],
+ pCpu->cErrors);
+ if (!pu32TransactionId)
+ {
+ pu32TransactionId = &g_pSUPGlobalInfoPage->aCPUs[iCpu].u32TransactionId;
+ u32TransactionId = pCpu->u32TransactionId;
+ }
+ }
+
+ /* Wait a bit / spin. */
+ if (!fSpin)
+ RTThreadSleep(9);
+ else
+ {
+ if (pu32TransactionId)
+ {
+ uint32_t uTmp;
+ while ( u32TransactionId == (uTmp = *pu32TransactionId)
+ || (uTmp & 1))
+ ASMNopPause();
+ }
+ else
+ RTThreadSleep(1);
+ }
+ }
+
+ /*
+ * Display TSC deltas.
+ *
+ * First iterative over the APIC ID array to get mostly consistent CPUID to APIC ID mapping.
+ * Then iterate over the offline CPUs. It is possible that there's a race between the online/offline
+ * states between the two iterations, but that cannot be helped from ring-3 anyway and not a biggie.
+ */
+ RTPrintf("tstGIP-2: TSC deltas:\n");
+ RTPrintf("tstGIP-2: idApic: i64TSCDelta\n");
+ for (uint32_t i = 0; i < RT_ELEMENTS(g_pSUPGlobalInfoPage->aiCpuFromApicId); i++)
+ {
+ uint16_t iCpu = g_pSUPGlobalInfoPage->aiCpuFromApicId[i];
+ if (iCpu != UINT16_MAX)
+ RTPrintf("tstGIP-2: %#7x: %6lld (grp=%#04x mbr=%#05x set=%d cpu=%#05x)\n",
+ g_pSUPGlobalInfoPage->aCPUs[iCpu].idApic, g_pSUPGlobalInfoPage->aCPUs[iCpu].i64TSCDelta,
+ g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuGroup, g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuGroupMember,
+ g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuSet, iCpu);
+ }
+
+ for (uint32_t iCpu = 0; iCpu < g_pSUPGlobalInfoPage->cCpus; iCpu++)
+ if (g_pSUPGlobalInfoPage->aCPUs[iCpu].idApic == UINT16_MAX)
+ RTPrintf("tstGIP-2: offline: %6lld (grp=%#04x mbr=%#05x set=%d cpu=%#05x)\n",
+ g_pSUPGlobalInfoPage->aCPUs[iCpu].i64TSCDelta, g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuGroup,
+ g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuGroupMember, g_pSUPGlobalInfoPage->aCPUs[iCpu].iCpuSet, iCpu);
+
+ RTPrintf("tstGIP-2: enmUseTscDelta=%d fGetGipCpu=%#x\n",
+ g_pSUPGlobalInfoPage->enmUseTscDelta, g_pSUPGlobalInfoPage->fGetGipCpu);
+ if (uCpuHzRef)
+ {
+ if (cCpuHzOverallDevCnt)
+ {
+ uint32_t uPct = (uint32_t)(uCpuHzOverallDeviation * 100000 / cCpuHzOverallDevCnt / uCpuHzRef + 5);
+ RTPrintf("tstGIP-2: Average CpuHz deviation: %d.%02d%%\n",
+ uPct / 1000, (uPct % 1000) / 10);
+
+ uint32_t uMaxPct = (uint32_t)(RT_ABS(iCpuHzMaxDeviation) * 100000 / uCpuHzRef + 5);
+ RTPrintf("tstGIP-2: Maximum CpuHz deviation: %d.%02d%% (%RI64 ticks)\n",
+ uMaxPct / 1000, (uMaxPct % 1000) / 10, iCpuHzMaxDeviation);
+ }
+ else
+ {
+ RTPrintf("tstGIP-2: Average CpuHz deviation: ??.??\n");
+ RTPrintf("tstGIP-2: Average CpuHz deviation: ??.??\n");
+ }
+
+ RTPrintf("tstGIP-2: CpuHz compatibility: %RTbool (incompatible %u of %u times w/ %RU64 Hz - %s GIP)\n", fCompat,
+ cCpuHzNotCompat, cCpuHzChecked, uCpuHzRef, SUPGetGIPModeName(g_pSUPGlobalInfoPage));
+
+ if ( !fCompat
+ && g_pSUPGlobalInfoPage->u32Mode == SUPGIPMODE_INVARIANT_TSC)
+ rc = -1;
+ }
+
+ /* Disable GIP test mode. */
+ if (fTestMode)
+ SUPR3GipSetFlags(0, ~SUPGIP_FLAGS_TESTING_ENABLE);
+ }
+ else
+ {
+ RTPrintf("tstGIP-2: g_pSUPGlobalInfoPage is NULL\n");
+ rc = -1;
+ }
+
+ SUPR3Term(false /*fForced*/);
+ }
+ else
+ RTPrintf("tstGIP-2: SUPR3Init failed: %Rrc\n", rc);
+ return !!rc;
+}
+
+#if !defined(VBOX_WITH_HARDENING) || !defined(RT_OS_WINDOWS)
+/**
+ * Main entry point.
+ */
+int main(int argc, char **argv)
+{
+ return TrustedMain(argc, argv);
+}
+#endif
+