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/* $Id: tstRTPrfIO.cpp $ */
/** @file
* IPRT Testcase - Profile IPRT I/O APIs.
*/
/*
* Copyright (C) 2010-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/file.h>
#include <iprt/dir.h>
#include <iprt/fs.h>
#include <iprt/err.h>
#include <iprt/getopt.h>
#include <iprt/param.h>
#include <iprt/path.h>
#include <iprt/string.h>
#include <iprt/test.h>
#include <iprt/time.h>
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
/** The test instance handle. */
static RTTEST g_hTest;
/** The max number of nanoseconds to benchmark an operation. */
static uint64_t g_cNsPerOperation = 1000*1000*1000;
/** The max operation count. */
static uint32_t g_cMaxOperations = 1000000;
/** The path to the test directory. */
static const char *g_pszTestDir = ".";
/** The path to the primary test file. */
static char g_szTestFile1[RTPATH_MAX];
/** The path to the primary test directory. */
static char g_szTestDir1[RTPATH_MAX];
/** The path to a nonexistent file in an existing directory. */
static char g_szNotExitingFile[RTPATH_MAX];
/** The path to a nonexistent directory. */
static char g_szNotExitingDir[RTPATH_MAX];
/** The path to a nonexistent file in a nonexistent directory. */
static char g_szNotExitingDirFile[RTPATH_MAX];
/*********************************************************************************************************************************
* Defined Constants And Macros *
*********************************************************************************************************************************/
/**
* Benchmark an operation.
* @param stmt Statement to benchmark.
* @param what String literal describing what's being benchmarked..
*/
#define TIME_OP(stmt, what) \
do \
{ \
/* warm-up */ \
stmt; \
stmt; \
\
/* the real thing */ \
uint32_t cOps = 0; \
uint64_t cNsElapsed = 0; \
uint64_t u64StartTS = RTTimeNanoTS(); \
for (;;) \
{ \
stmt; \
cOps++; \
if ((cOps & 127) == 127) \
{ \
cNsElapsed = RTTimeNanoTS() - u64StartTS; \
if (cNsElapsed >= g_cNsPerOperation || cOps >= g_cMaxOperations) \
break; \
} \
} \
RTTestValue(g_hTest, what, cNsElapsed / cOps, RTTESTUNIT_NS_PER_CALL); \
RTTestValue(g_hTest, what " cps", UINT64_C(10000000000) / (cNsElapsed * 10 / cOps), RTTESTUNIT_CALLS_PER_SEC); \
} while (0)
static void benchmarkPathQueryInfo(void)
{
RTTestSub(g_hTest, "RTPathQueryInfo");
RTFSOBJINFO ObjInfo;
RTTESTI_CHECK_RC_RETV(RTPathQueryInfo(g_szNotExitingFile, &ObjInfo, RTFSOBJATTRADD_NOTHING), VERR_FILE_NOT_FOUND);
TIME_OP(RTPathQueryInfo(g_szNotExitingFile, &ObjInfo, RTFSOBJATTRADD_NOTHING), "RTPathQueryInfo(g_szNotExitingFile)");
int rc = RTPathQueryInfo(g_szNotExitingDirFile, &ObjInfo, RTFSOBJATTRADD_NOTHING);
RTTESTI_CHECK_RETV(rc == VERR_PATH_NOT_FOUND || VERR_FILE_NOT_FOUND);
TIME_OP(RTPathQueryInfo(g_szNotExitingDirFile, &ObjInfo, RTFSOBJATTRADD_NOTHING), "RTPathQueryInfo(g_szNotExitingDirFile)");
RTTESTI_CHECK_RC_RETV(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_NOTHING), VINF_SUCCESS);
TIME_OP(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_NOTHING), "RTPathQueryInfo(g_pszTestDir)");
RTTESTI_CHECK_RC_RETV(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_UNIX), VINF_SUCCESS);
TIME_OP(RTPathQueryInfo(g_pszTestDir, &ObjInfo, RTFSOBJATTRADD_UNIX), "RTPathQueryInfo(g_pszTestDir,UNIX)");
RTTestSubDone(g_hTest);
}
DECL_FORCE_INLINE(int) benchmarkFileOpenCloseOp(const char *pszFilename)
{
RTFILE hFile;
int rc = RTFileOpen(&hFile, pszFilename, RTFILE_O_READ | RTFILE_O_DENY_NONE | RTFILE_O_OPEN);
if (RT_SUCCESS(rc))
rc = RTFileClose(hFile);
return rc;
}
static void benchmarkFileOpenClose(void)
{
RTTestSub(g_hTest, "RTFileOpen + RTFileClose");
RTTESTI_CHECK_RC_RETV(benchmarkFileOpenCloseOp(g_szNotExitingFile), VERR_FILE_NOT_FOUND);
TIME_OP(benchmarkFileOpenCloseOp(g_szNotExitingFile), "RTFileOpen(g_szNotExitingFile)");
RTTESTI_CHECK_RC_RETV(benchmarkFileOpenCloseOp(g_szNotExitingFile), VERR_FILE_NOT_FOUND);
TIME_OP(benchmarkFileOpenCloseOp(g_szNotExitingFile), "RTFileOpen(g_szNotExitingFile)");
int rc = benchmarkFileOpenCloseOp(g_szNotExitingDirFile);
RTTESTI_CHECK_RETV(rc == VERR_PATH_NOT_FOUND || VERR_FILE_NOT_FOUND);
TIME_OP(benchmarkFileOpenCloseOp(g_szNotExitingDirFile), "RTFileOpen(g_szNotExitingDirFile)");
RTTestSubDone(g_hTest);
}
static void benchmarkFileWriteByte(void)
{
RTTestSub(g_hTest, "RTFileWrite(byte)");
RTFILE hFile;
RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile, g_szTestFile1,
RTFILE_O_WRITE | RTFILE_O_DENY_NONE | RTFILE_O_CREATE_REPLACE
| (0655 << RTFILE_O_CREATE_MODE_SHIFT)),
VINF_SUCCESS);
static const char s_szContent[] = "0123456789abcdef";
uint32_t offContent = 0;
int rc;;
RTTESTI_CHECK_RC(rc = RTFileWrite(hFile, &s_szContent[offContent++ % RT_ELEMENTS(s_szContent)], 1, NULL), VINF_SUCCESS);
if (RT_SUCCESS(rc))
{
TIME_OP(RTFileWrite(hFile, &s_szContent[offContent++ % RT_ELEMENTS(s_szContent)], 1, NULL), "RTFileWrite(byte)");
}
RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
RTTestSubDone(g_hTest);
}
int main(int argc, char **argv)
{
RTEXITCODE rcExit = RTTestInitAndCreate("tstRTPrfIO", &g_hTest);
if (rcExit != RTEXITCODE_SUCCESS)
return rcExit;
RTTestBanner(g_hTest);
/*
* Parse arguments
*/
static const RTGETOPTDEF s_aOptions[] =
{
{ "--test-dir", 'd', RTGETOPT_REQ_STRING },
};
bool fFileOpenCloseTest = true;
bool fFileWriteByteTest = true;
bool fPathQueryInfoTest = true;
//bool fFileTests = true;
//bool fDirTests = true;
int ch;
RTGETOPTUNION ValueUnion;
RTGETOPTSTATE GetState;
RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, 0);
while ((ch = RTGetOpt(&GetState, &ValueUnion)))
{
switch (ch)
{
case 'd':
g_pszTestDir = ValueUnion.psz;
break;
case 'V':
RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "$Revision: 155244 $\n");
return RTTestSummaryAndDestroy(g_hTest);
case 'h':
RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "usage: testname [-d <testdir>]\n");
return RTTestSummaryAndDestroy(g_hTest);
default:
RTTestFailed(g_hTest, "invalid argument");
RTGetOptPrintError(ch, &ValueUnion);
return RTTestSummaryAndDestroy(g_hTest);
}
}
/*
* Set up and check the prerequisites.
*/
RTTESTI_CHECK_RC(RTPathJoin(g_szTestFile1, sizeof(g_szTestFile1), g_pszTestDir, "tstRTPrfIO-TestFile1"), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTPathJoin(g_szTestDir1, sizeof(g_szTestDir1), g_pszTestDir, "tstRTPrfIO-TestDir1"), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTPathJoin(g_szNotExitingFile, sizeof(g_szNotExitingFile), g_pszTestDir, "tstRTPrfIO-nonexistent-file"), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTPathJoin(g_szNotExitingDir, sizeof(g_szNotExitingDir), g_pszTestDir, "tstRTPrfIO-nonexistent-dir"), VINF_SUCCESS);
RTTESTI_CHECK_RC(RTPathJoin(g_szNotExitingDirFile, sizeof(g_szNotExitingDirFile), g_szNotExitingDir, "nonexistent-file"), VINF_SUCCESS);
RTTESTI_CHECK(RTDirExists(g_pszTestDir));
if (RTPathExists(g_szTestDir1))
RTTestFailed(g_hTest, "The primary test directory (%s) already exist, please remove it", g_szTestDir1);
if (RTPathExists(g_szTestFile1))
RTTestFailed(g_hTest, "The primary test file (%s) already exist, please remove it", g_szTestFile1);
if (RTPathExists(g_szNotExitingFile))
RTTestFailed(g_hTest, "'%s' exists, remove it", g_szNotExitingFile);
if (RTPathExists(g_szNotExitingDir))
RTTestFailed(g_hTest, "'%s' exists, remove it", g_szNotExitingDir);
if (RTPathExists(g_szNotExitingDirFile))
RTTestFailed(g_hTest, "'%s' exists, remove it", g_szNotExitingDirFile);
/*
* Do the testing.
*/
if (RTTestIErrorCount() == 0)
{
#if 1
if (fPathQueryInfoTest)
benchmarkPathQueryInfo();
if (fFileOpenCloseTest)
benchmarkFileOpenClose();
#endif
if (fFileWriteByteTest)
benchmarkFileWriteByte();
//if (fFileTests)
// benchmarkFile();
//if (fDirTests)
// benchmarkDir();
/*
* Cleanup.
*/
RTFileDelete(g_szTestFile1);
RTDirRemoveRecursive(g_szTestDir1, 0);
RTTESTI_CHECK(RTDirExists(g_pszTestDir));
RTTESTI_CHECK(!RTPathExists(g_szTestDir1));
RTTESTI_CHECK(!RTPathExists(g_szTestFile1));
}
return RTTestSummaryAndDestroy(g_hTest);
}
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