| 1 | /* $Id: tstRTThreadExecutionTime.cpp 62571 2016-07-26 15:58:26Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT Testcase - RTThreadGetExecution.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2010-2016 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/thread.h>
|
|---|
| 32 |
|
|---|
| 33 | #include <iprt/asm.h>
|
|---|
| 34 | #include <iprt/test.h>
|
|---|
| 35 | #include <iprt/string.h>
|
|---|
| 36 | #include <iprt/stream.h>
|
|---|
| 37 | #include <iprt/time.h>
|
|---|
| 38 |
|
|---|
| 39 |
|
|---|
| 40 | /*********************************************************************************************************************************
|
|---|
| 41 | * Global Variables *
|
|---|
| 42 | *********************************************************************************************************************************/
|
|---|
| 43 | static RTTEST g_hTest;
|
|---|
| 44 | static volatile uint64_t g_kernel, g_user;
|
|---|
| 45 |
|
|---|
| 46 |
|
|---|
| 47 | static DECLCALLBACK(int) testThread(RTTHREAD hSelf, void *pvUser)
|
|---|
| 48 | {
|
|---|
| 49 | RT_NOREF_PV(hSelf); RT_NOREF_PV(pvUser);
|
|---|
| 50 |
|
|---|
| 51 | uint64_t u64Now = RTTimeMilliTS();
|
|---|
| 52 | uint64_t kernel, kernelStart, user, userStart;
|
|---|
| 53 | RTThreadGetExecutionTimeMilli(&kernelStart, &userStart);
|
|---|
| 54 | while (RTTimeMilliTS() < u64Now + 1000)
|
|---|
| 55 | ;
|
|---|
| 56 | RTThreadGetExecutionTimeMilli(&kernel, &user);
|
|---|
| 57 | RTPrintf("kernel = %4lldms, user = %4lldms\n", kernel - kernelStart, user - userStart);
|
|---|
| 58 | ASMAtomicAddU64(&g_kernel, kernel);
|
|---|
| 59 | ASMAtomicAddU64(&g_user, user);
|
|---|
| 60 |
|
|---|
| 61 | return VINF_SUCCESS;
|
|---|
| 62 | }
|
|---|
| 63 |
|
|---|
| 64 |
|
|---|
| 65 | static void test1(void)
|
|---|
| 66 | {
|
|---|
| 67 | RTTestSub(g_hTest, "Interrupt RTThreadSleep");
|
|---|
| 68 | RTTHREAD hThread[16];
|
|---|
| 69 | RTMSINTERVAL msWait = 1000;
|
|---|
| 70 | for (unsigned i = 0; i < RT_ELEMENTS(hThread); i++)
|
|---|
| 71 | {
|
|---|
| 72 | RTTESTI_CHECK_RC_RETV(RTThreadCreate(&hThread[i], testThread, NULL, 0, RTTHREADTYPE_DEFAULT,
|
|---|
| 73 | RTTHREADFLAGS_WAITABLE, "test"), VINF_SUCCESS);
|
|---|
| 74 | }
|
|---|
| 75 | RTThreadSleep(500);
|
|---|
| 76 | RTPrintf("Waiting for %dms ...\n", msWait);
|
|---|
| 77 | RTThreadSleep(msWait);
|
|---|
| 78 | for (unsigned i = 0; i < RT_ELEMENTS(hThread); i++)
|
|---|
| 79 | RTTESTI_CHECK_RC(RTThreadWait(hThread[i], RT_INDEFINITE_WAIT, NULL), VINF_SUCCESS);
|
|---|
| 80 |
|
|---|
| 81 | RTPrintf("sum kernel = %lldms, sum user = %lldms\n", g_kernel, g_user);
|
|---|
| 82 | }
|
|---|
| 83 |
|
|---|
| 84 |
|
|---|
| 85 | int main()
|
|---|
| 86 | {
|
|---|
| 87 | RTEXITCODE rcExit = RTTestInitAndCreate("tstRTThreadExecutionTime", &g_hTest);
|
|---|
| 88 | if (rcExit != RTEXITCODE_SUCCESS)
|
|---|
| 89 | return rcExit;
|
|---|
| 90 | test1();
|
|---|
| 91 |
|
|---|
| 92 | return RTTestSummaryAndDestroy(g_hTest);
|
|---|
| 93 | }
|
|---|
