/* $Id: tstRTProcCreatePrf.cpp 69111 2017-10-17 14:26:02Z vboxsync $ */ /** @file * IPRT Testcase - RTProcCreate Profiling. */ /* * Copyright (C) 2012-2017 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 #include #include #include #include #include int main(int argc, char **argv) { /* the child response. */ if (argc != 1) return 0; RTTEST hTest; RTEXITCODE rcExit = RTTestInitAndCreate("tstRTProcCreatePrf", &hTest); if (rcExit) return rcExit; RTTestBanner(hTest); char szExecPath[RTPATH_MAX]; if (!RTProcGetExecutablePath(szExecPath, sizeof(szExecPath))) RTStrCopy(szExecPath, sizeof(szExecPath), argv[0]); const char *apszArgs[4] = { szExecPath, "child", "process", NULL }; uint64_t NsStart = RTTimeNanoTS(); uint32_t i; #if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2) || defined(RT_OS_DARWIN) for (i = 0; i < 1000; i++) #else for (i = 0; i < 10000; i++) #endif { RTPROCESS hProc; RTTEST_CHECK_RC_BREAK(hTest, RTProcCreate(szExecPath, apszArgs, RTENV_DEFAULT, 0 /* fFlags*/, &hProc), VINF_SUCCESS); RTPROCSTATUS ChildStatus; RTTEST_CHECK_RC_BREAK(hTest, RTProcWait(hProc, RTPROCWAIT_FLAGS_BLOCK, &ChildStatus), VINF_SUCCESS); RTTEST_CHECK_BREAK(hTest, ChildStatus.enmReason == RTPROCEXITREASON_NORMAL); RTTEST_CHECK_BREAK(hTest, ChildStatus.iStatus == 0); } uint64_t cNsElapsed = RTTimeNanoTS() - NsStart; if (i) { RTTestValue(hTest, "Time per process", cNsElapsed / i, RTTESTUNIT_NS); } /* * Summary. */ return RTTestSummaryAndDestroy(hTest); }