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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/testcase/tstTime-2.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/testcase/tstTime-2.cpp')
-rw-r--r-- | src/VBox/Runtime/testcase/tstTime-2.cpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstTime-2.cpp b/src/VBox/Runtime/testcase/tstTime-2.cpp new file mode 100644 index 00000000..878b9c5a --- /dev/null +++ b/src/VBox/Runtime/testcase/tstTime-2.cpp @@ -0,0 +1,87 @@ +/* $Id: tstTime-2.cpp $ */ +/** @file + * IPRT Testcase - Simple RTTime test. + */ + +/* + * 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. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE 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. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include <iprt/time.h> +#include <iprt/stream.h> +#include <iprt/initterm.h> +#include <iprt/thread.h> +#include <VBox/sup.h> + + + +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\n", NUMBER_OF_CALLS); +#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; +} |