| 1 | /* $Id: tstRTProcCreatePrf.cpp 69111 2017-10-17 14:26:02Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT Testcase - RTProcCreate Profiling.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2012-2017 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #include <iprt/process.h>
|
|---|
| 32 | #include <iprt/test.h>
|
|---|
| 33 | #include <iprt/time.h>
|
|---|
| 34 | #include <iprt/path.h>
|
|---|
| 35 | #include <iprt/env.h>
|
|---|
| 36 | #include <iprt/string.h>
|
|---|
| 37 |
|
|---|
| 38 |
|
|---|
| 39 | int main(int argc, char **argv)
|
|---|
| 40 | {
|
|---|
| 41 | /* the child response. */
|
|---|
| 42 | if (argc != 1)
|
|---|
| 43 | return 0;
|
|---|
| 44 |
|
|---|
| 45 | RTTEST hTest;
|
|---|
| 46 | RTEXITCODE rcExit = RTTestInitAndCreate("tstRTProcCreatePrf", &hTest);
|
|---|
| 47 | if (rcExit)
|
|---|
| 48 | return rcExit;
|
|---|
| 49 | RTTestBanner(hTest);
|
|---|
| 50 |
|
|---|
| 51 | char szExecPath[RTPATH_MAX];
|
|---|
| 52 | if (!RTProcGetExecutablePath(szExecPath, sizeof(szExecPath)))
|
|---|
| 53 | RTStrCopy(szExecPath, sizeof(szExecPath), argv[0]);
|
|---|
| 54 |
|
|---|
| 55 | const char *apszArgs[4] = { szExecPath, "child", "process", NULL };
|
|---|
| 56 |
|
|---|
| 57 | uint64_t NsStart = RTTimeNanoTS();
|
|---|
| 58 | uint32_t i;
|
|---|
| 59 | #if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2) || defined(RT_OS_DARWIN)
|
|---|
| 60 | for (i = 0; i < 1000; i++)
|
|---|
| 61 | #else
|
|---|
| 62 | for (i = 0; i < 10000; i++)
|
|---|
| 63 | #endif
|
|---|
| 64 | {
|
|---|
| 65 | RTPROCESS hProc;
|
|---|
| 66 | RTTEST_CHECK_RC_BREAK(hTest, RTProcCreate(szExecPath, apszArgs, RTENV_DEFAULT, 0 /* fFlags*/, &hProc), VINF_SUCCESS);
|
|---|
| 67 | RTPROCSTATUS ChildStatus;
|
|---|
| 68 | RTTEST_CHECK_RC_BREAK(hTest, RTProcWait(hProc, RTPROCWAIT_FLAGS_BLOCK, &ChildStatus), VINF_SUCCESS);
|
|---|
| 69 | RTTEST_CHECK_BREAK(hTest, ChildStatus.enmReason == RTPROCEXITREASON_NORMAL);
|
|---|
| 70 | RTTEST_CHECK_BREAK(hTest, ChildStatus.iStatus == 0);
|
|---|
| 71 | }
|
|---|
| 72 | uint64_t cNsElapsed = RTTimeNanoTS() - NsStart;
|
|---|
| 73 | if (i)
|
|---|
| 74 | {
|
|---|
| 75 | RTTestValue(hTest, "Time per process", cNsElapsed / i, RTTESTUNIT_NS);
|
|---|
| 76 | }
|
|---|
| 77 |
|
|---|
| 78 | /*
|
|---|
| 79 | * Summary.
|
|---|
| 80 | */
|
|---|
| 81 | return RTTestSummaryAndDestroy(hTest);
|
|---|
| 82 | }
|
|---|
| 83 |
|
|---|
