| 1 | /* $Id: tstTime-3.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT Testcase - Simple RTTime test.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2024 Oracle and/or its affiliates.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox base platform packages, as
|
|---|
| 10 | * available from https://www.virtualbox.org.
|
|---|
| 11 | *
|
|---|
| 12 | * This program is free software; you can redistribute it and/or
|
|---|
| 13 | * modify it under the terms of the GNU General Public License
|
|---|
| 14 | * as published by the Free Software Foundation, in version 3 of the
|
|---|
| 15 | * License.
|
|---|
| 16 | *
|
|---|
| 17 | * This program is distributed in the hope that it will be useful, but
|
|---|
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 20 | * General Public License for more details.
|
|---|
| 21 | *
|
|---|
| 22 | * You should have received a copy of the GNU General Public License
|
|---|
| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
|---|
| 24 | *
|
|---|
| 25 | * The contents of this file may alternatively be used under the terms
|
|---|
| 26 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
|
|---|
| 28 | * in the VirtualBox distribution, in which case the provisions of the
|
|---|
| 29 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 30 | *
|
|---|
| 31 | * You may elect to license modified versions of this file under the
|
|---|
| 32 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 33 | *
|
|---|
| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 |
|
|---|
| 38 | /*********************************************************************************************************************************
|
|---|
| 39 | * Header Files *
|
|---|
| 40 | *********************************************************************************************************************************/
|
|---|
| 41 | #include <iprt/time.h>
|
|---|
| 42 | #include <iprt/stream.h>
|
|---|
| 43 | #include <iprt/string.h>
|
|---|
| 44 | #include <iprt/initterm.h>
|
|---|
| 45 | #include <iprt/thread.h>
|
|---|
| 46 | #include <iprt/errcore.h>
|
|---|
| 47 |
|
|---|
| 48 |
|
|---|
| 49 |
|
|---|
| 50 | int main(int argc, char **argv)
|
|---|
| 51 | {
|
|---|
| 52 | RTR3InitExe(argc, &argv, RTR3INIT_FLAGS_SUPLIB);
|
|---|
| 53 |
|
|---|
| 54 | if (argc <= 1)
|
|---|
| 55 | {
|
|---|
| 56 | RTPrintf("tstTime-3: usage: tstTime-3 <seconds> [seconds2 [..]]\n");
|
|---|
| 57 | return 1;
|
|---|
| 58 | }
|
|---|
| 59 |
|
|---|
| 60 | RTPrintf("tstTime-3: Testing difference between RTTimeNanoTS() and RTTimeSystemNanoTS()...\n");
|
|---|
| 61 |
|
|---|
| 62 | for (int i = 1; i < argc; i++)
|
|---|
| 63 | {
|
|---|
| 64 | uint64_t cSeconds = 0;
|
|---|
| 65 | int rc = RTStrToUInt64Ex(argv[i], NULL, 0, &cSeconds);
|
|---|
| 66 | if (RT_FAILURE(rc))
|
|---|
| 67 | {
|
|---|
| 68 | RTPrintf("tstTime-3: Invalid argument %d: %s\n", i, argv[i]);
|
|---|
| 69 | return 1;
|
|---|
| 70 | }
|
|---|
| 71 | RTPrintf("tstTime-3: %d - %RU64 seconds period...\n", i, cSeconds);
|
|---|
| 72 |
|
|---|
| 73 | RTTimeNanoTS(); RTTimeSystemNanoTS(); RTThreadSleep(1);
|
|---|
| 74 | uint64_t u64RTStartTS = RTTimeNanoTS();
|
|---|
| 75 | uint64_t u64OSStartTS = RTTimeSystemNanoTS();
|
|---|
| 76 |
|
|---|
| 77 | RTThreadSleep(cSeconds * 1000);
|
|---|
| 78 |
|
|---|
| 79 | uint64_t u64RTElapsedTS = RTTimeNanoTS();
|
|---|
| 80 | uint64_t u64OSElapsedTS = RTTimeSystemNanoTS();
|
|---|
| 81 | u64RTElapsedTS -= u64RTStartTS;
|
|---|
| 82 | u64OSElapsedTS -= u64OSStartTS;
|
|---|
| 83 |
|
|---|
| 84 | RTPrintf("tstTime-3: %d - RT: %16RU64 ns\n", i, u64RTElapsedTS);
|
|---|
| 85 | RTPrintf("tstTime-3: %d - OS: %16RU64 ns\n", i, u64OSElapsedTS);
|
|---|
| 86 | RTPrintf("tstTime-3: %d - diff: %16RI64 ns\n", i, u64RTElapsedTS - u64OSElapsedTS);
|
|---|
| 87 | }
|
|---|
| 88 |
|
|---|
| 89 | return 0;
|
|---|
| 90 | }
|
|---|
| 91 |
|
|---|
