/* $Id: tstRTPrfIO.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */ /** @file * IPRT Testcase - Profile IPRT I/O APIs. */ /* * Copyright (C) 2010-2020 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 #include #include #include #include /********************************************************************************************************************************* * 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: 82968 $\n"); return RTTestSummaryAndDestroy(g_hTest); case 'h': RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "usage: testname [-d ]\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); }