| 1 | /* $Id: tstRTProcCreatePrf.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT Testcase - RTProcCreate Profiling.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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| 41 | #include <iprt/process.h>
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| 42 | #include <iprt/test.h>
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| 43 | #include <iprt/time.h>
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| 44 | #include <iprt/path.h>
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| 45 | #include <iprt/env.h>
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| 46 | #include <iprt/string.h>
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| 47 |
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| 48 |
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| 49 | int main(int argc, char **argv)
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| 50 | {
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| 51 | /* the child response. */
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| 52 | if (argc != 1)
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| 53 | return 0;
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| 54 |
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| 55 | RTTEST hTest;
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| 56 | RTEXITCODE rcExit = RTTestInitAndCreate("tstRTProcCreatePrf", &hTest);
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| 57 | if (rcExit)
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| 58 | return rcExit;
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| 59 | RTTestBanner(hTest);
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| 60 |
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| 61 | char szExecPath[RTPATH_MAX];
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| 62 | if (!RTProcGetExecutablePath(szExecPath, sizeof(szExecPath)))
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| 63 | RTStrCopy(szExecPath, sizeof(szExecPath), argv[0]);
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| 64 |
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| 65 | const char *apszArgs[4] = { szExecPath, "child", "process", NULL };
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| 66 |
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| 67 | uint64_t NsStart = RTTimeNanoTS();
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| 68 | uint32_t i;
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| 69 | #if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2) || defined(RT_OS_DARWIN)
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| 70 | for (i = 0; i < 1000; i++)
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| 71 | #else
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| 72 | for (i = 0; i < 10000; i++)
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| 73 | #endif
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| 74 | {
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| 75 | RTPROCESS hProc;
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| 76 | RTTEST_CHECK_RC_BREAK(hTest, RTProcCreate(szExecPath, apszArgs, RTENV_DEFAULT, 0 /* fFlags*/, &hProc), VINF_SUCCESS);
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| 77 | RTPROCSTATUS ChildStatus;
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| 78 | RTTEST_CHECK_RC_BREAK(hTest, RTProcWait(hProc, RTPROCWAIT_FLAGS_BLOCK, &ChildStatus), VINF_SUCCESS);
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| 79 | RTTEST_CHECK_BREAK(hTest, ChildStatus.enmReason == RTPROCEXITREASON_NORMAL);
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| 80 | RTTEST_CHECK_BREAK(hTest, ChildStatus.iStatus == 0);
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| 81 | }
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| 82 | uint64_t cNsElapsed = RTTimeNanoTS() - NsStart;
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| 83 | if (i)
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| 84 | {
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| 85 | RTTestValue(hTest, "Time per process", cNsElapsed / i, RTTESTUNIT_NS);
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| 86 | }
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| 87 |
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| 88 | /*
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| 89 | * Summary.
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| 90 | */
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| 91 | return RTTestSummaryAndDestroy(hTest);
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| 92 | }
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| 93 |
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