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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/tstRTTime.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/tstRTTime.cpp')
-rw-r--r-- | src/VBox/Runtime/testcase/tstRTTime.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstRTTime.cpp b/src/VBox/Runtime/testcase/tstRTTime.cpp new file mode 100644 index 00000000..24b8a3ca --- /dev/null +++ b/src/VBox/Runtime/testcase/tstRTTime.cpp @@ -0,0 +1,121 @@ +/* $Id: tstRTTime.cpp $ */ +/** @file + * IPRT Testcase - Simple RTTime tests (requires GIP). + */ + +/* + * 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/errcore.h> +#include <iprt/initterm.h> +#include <iprt/message.h> +#include <iprt/test.h> +#include <iprt/thread.h> + +int main() +{ + /* + * Init. + */ + RTTEST hTest; + RTEXITCODE rcExit = RTTestInitExAndCreate(0, NULL, RTR3INIT_FLAGS_SUPLIB, "tstRTTime", &hTest); + if (rcExit != RTEXITCODE_SUCCESS) + return rcExit; + RTTestBanner(hTest); + + /* + * 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(); + + uint32_t i; + uint64_t u64Prev = RTTimeNanoTS(); + for (i = 0; i < 100*_1M; i++) + { + uint64_t u64 = RTTimeNanoTS(); + if (u64 <= u64Prev) + { + /** @todo wrapping detection. */ + RTTestFailed(hTest, "i=%#010x u64=%#llx u64Prev=%#llx (1)\n", i, u64, u64Prev); + if (RTTestErrorCount(hTest) >= 256) + break; + RTThreadYield(); + u64 = RTTimeNanoTS(); + } + else if (u64 - u64Prev > 1000000000 /* 1sec */) + { + RTTestFailed(hTest, "i=%#010x u64=%#llx u64Prev=%#llx delta=%lld\n", i, u64, u64Prev, u64 - u64Prev); + if (RTTestErrorCount(hTest) >= 256) + break; + RTThreadYield(); + u64 = RTTimeNanoTS(); + } + if (!(i & (_1M*2 - 1))) + { + RTTestPrintf(hTest, RTTESTLVL_INFO, "i=%#010x u64=%#llx u64Prev=%#llx delta=%lld\n", i, u64, u64Prev, u64 - u64Prev); + RTThreadYield(); + u64 = RTTimeNanoTS(); + } + u64Prev = u64; + } + + RTTimeSystemNanoTS(); RTTimeNanoTS(); RTThreadYield(); + 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)) + RTTestFailed(hTest, "total time differs too much! u64OSElapsedTS=%#llx u64RTElapsedTS=%#llx delta=%lld\n", + u64OSElapsedTS, u64RTElapsedTS, u64OSElapsedTS - u64RTElapsedTS); + else + { + if (u64OSElapsedTS >= u64RTElapsedTS) + RTTestValue(hTest, "Total time delta", u64OSElapsedTS - u64RTElapsedTS, RTTESTUNIT_NS); + else + RTTestValue(hTest, "Total time delta", u64RTElapsedTS - u64OSElapsedTS, RTTESTUNIT_NS); + RTTestPrintf(hTest, RTTESTLVL_INFO, "total time difference: u64OSElapsedTS=%#llx u64RTElapsedTS=%#llx delta=%lld\n", + u64OSElapsedTS, u64RTElapsedTS, u64OSElapsedTS - u64RTElapsedTS); + } + +#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86) /** @todo This isn't really x86 or AMD64 specific... */ + RTTestValue(hTest, "RTTimeDbgSteps", RTTimeDbgSteps(), RTTESTUNIT_OCCURRENCES); + RTTestValue(hTest, "RTTimeDbgSteps pp", ((uint64_t)RTTimeDbgSteps() * 1000) / i, RTTESTUNIT_PP1K); + RTTestValue(hTest, "RTTimeDbgExpired", RTTimeDbgExpired(), RTTESTUNIT_OCCURRENCES); + RTTestValue(hTest, "RTTimeDbgExpired pp", ((uint64_t)RTTimeDbgExpired() * 1000) / i, RTTESTUNIT_PP1K); + RTTestValue(hTest, "RTTimeDbgBad", RTTimeDbgBad(), RTTESTUNIT_OCCURRENCES); + RTTestValue(hTest, "RTTimeDbgBad pp", ((uint64_t)RTTimeDbgBad() * 1000) / i, RTTESTUNIT_PP1K); + RTTestValue(hTest, "RTTimeDbgRaces", RTTimeDbgRaces(), RTTESTUNIT_OCCURRENCES); + RTTestValue(hTest, "RTTimeDbgRaces pp", ((uint64_t)RTTimeDbgRaces() * 1000) / i, RTTESTUNIT_PP1K); +#endif + + return RTTestSummaryAndDestroy(hTest); +} |