From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Runtime/testcase/tstTime-2.cpp | 104 ++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 src/VBox/Runtime/testcase/tstTime-2.cpp (limited to 'src/VBox/Runtime/testcase/tstTime-2.cpp') diff --git a/src/VBox/Runtime/testcase/tstTime-2.cpp b/src/VBox/Runtime/testcase/tstTime-2.cpp new file mode 100644 index 00000000..6ae4da4f --- /dev/null +++ b/src/VBox/Runtime/testcase/tstTime-2.cpp @@ -0,0 +1,104 @@ +/* $Id: tstTime-2.cpp $ */ +/** @file + * IPRT Testcase - Simple RTTime test. + */ + +/* + * 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 . + * + * 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 +#include +#include +#include +#include + + +/* HACK ALERT! */ +#if defined(RT_OS_DARWIN) && defined(RT_ARCH_ARM64) +# undef RTTimeNanoTSWorkerName +# define RTTimeNanoTSWorkerName() "system" +#endif + + +int main() +{ + unsigned cErrors = 0; + int i; + RTR3InitExeNoArguments(RTR3INIT_FLAGS_SUPLIB); + RTPrintf("tstTime-2: TESTING...\n"); + + /* + * RTNanoTimeTS() shall never return something which + * is less or equal to the return of the previous call. + */ + + RTTimeSystemNanoTS(); RTTimeNanoTS(); RTThreadYield(); + uint64_t u64RTStartTS = RTTimeNanoTS(); + uint64_t u64OSStartTS = RTTimeSystemNanoTS(); +#define NUMBER_OF_CALLS (100*_1M) + + for (i = 0; i < NUMBER_OF_CALLS; i++) + RTTimeNanoTS(); + + uint64_t u64RTElapsedTS = RTTimeNanoTS(); + uint64_t u64OSElapsedTS = RTTimeSystemNanoTS(); + u64RTElapsedTS -= u64RTStartTS; + u64OSElapsedTS -= u64OSStartTS; + int64_t i64Diff = u64OSElapsedTS >= u64RTElapsedTS ? u64OSElapsedTS - u64RTElapsedTS : u64RTElapsedTS - u64OSElapsedTS; + if (i64Diff > (int64_t)(u64OSElapsedTS / 1000)) + { + RTPrintf("tstTime-2: error: total time differs too much! u64OSElapsedTS=%#llx u64RTElapsedTS=%#llx delta=%lld\n", + u64OSElapsedTS, u64RTElapsedTS, u64OSElapsedTS - u64RTElapsedTS); + cErrors++; + } + else + RTPrintf("tstTime-2: total time difference: u64OSElapsedTS=%#llx u64RTElapsedTS=%#llx delta=%lld\n", + u64OSElapsedTS, u64RTElapsedTS, u64OSElapsedTS - u64RTElapsedTS); + + RTPrintf("tstTime-2: %'u calls to RTTimeNanoTS in %'lluns -> %'llu calls/sec (%s)\n", + NUMBER_OF_CALLS, u64RTElapsedTS, (uint64_t)(NUMBER_OF_CALLS / ((double)u64RTElapsedTS / RT_NS_1SEC)), RTTimeNanoTSWorkerName()); +#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86) /** @todo This isn't really x86 or AMD64 specific... */ + RTPrintf("tstTime-2: RTTimeDbgSteps -> %u (%d ppt)\n", RTTimeDbgSteps(), ((uint64_t)RTTimeDbgSteps() * 1000) / NUMBER_OF_CALLS); + RTPrintf("tstTime-2: RTTimeDbgExpired -> %u (%d ppt)\n", RTTimeDbgExpired(), ((uint64_t)RTTimeDbgExpired() * 1000) / NUMBER_OF_CALLS); + RTPrintf("tstTime-2: RTTimeDbgBad -> %u (%d ppt)\n", RTTimeDbgBad(), ((uint64_t)RTTimeDbgBad() * 1000) / NUMBER_OF_CALLS); + RTPrintf("tstTime-2: RTTimeDbgRaces -> %u (%d ppt)\n", RTTimeDbgRaces(), ((uint64_t)RTTimeDbgRaces() * 1000) / NUMBER_OF_CALLS); +#endif + + if (!cErrors) + RTPrintf("tstTime-2: SUCCESS\n"); + else + RTPrintf("tstTime-2: FAILURE - %d errors\n", cErrors); + return !!cErrors; +} -- cgit v1.2.3