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-rw-r--r--src/VBox/ValidationKit/utils/fs/FsPerf.cpp2659
-rw-r--r--src/VBox/ValidationKit/utils/fs/Makefile.kmk39
2 files changed, 2698 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/utils/fs/FsPerf.cpp b/src/VBox/ValidationKit/utils/fs/FsPerf.cpp
new file mode 100644
index 00000000..5e0d88ff
--- /dev/null
+++ b/src/VBox/ValidationKit/utils/fs/FsPerf.cpp
@@ -0,0 +1,2659 @@
+/* $Id: FsPerf.cpp $ */
+/** @file
+ * FsPerf - File System (Shared Folders) Performance Benchmark.
+ */
+
+/*
+ * Copyright (C) 2019 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 <iprt/alloca.h>
+#include <iprt/asm.h>
+#include <iprt/assert.h>
+#include <iprt/err.h>
+#include <iprt/dir.h>
+#include <iprt/file.h>
+#include <iprt/getopt.h>
+#include <iprt/initterm.h>
+#include <iprt/list.h>
+#include <iprt/mem.h>
+#include <iprt/message.h>
+#include <iprt/param.h>
+#include <iprt/path.h>
+#include <iprt/process.h>
+#include <iprt/rand.h>
+#include <iprt/string.h>
+#include <iprt/stream.h>
+#include <iprt/test.h>
+#include <iprt/time.h>
+#include <iprt/thread.h>
+#include <iprt/zero.h>
+
+#ifdef RT_OS_WINDOWS
+# include <iprt/nt/nt-and-windows.h>
+#else
+# include <errno.h>
+# include <unistd.h>
+# include <sys/fcntl.h>
+# include <sys/mman.h>
+# include <sys/types.h>
+#endif
+
+
+/*********************************************************************************************************************************
+* Defined Constants And Macros *
+*********************************************************************************************************************************/
+/**
+ * Macro for profiling @a a_fnCall (typically forced inline) for about @a a_cNsTarget ns.
+ *
+ * Always does an even number of iterations.
+ */
+#define PROFILE_FN(a_fnCall, a_cNsTarget, a_szDesc) \
+ do { \
+ /* Estimate how many iterations we need to fill up the given timeslot: */ \
+ fsPerfYield(); \
+ uint64_t nsStart = RTTimeNanoTS(); \
+ uint64_t ns; \
+ do \
+ ns = RTTimeNanoTS(); \
+ while (ns == nsStart); \
+ nsStart = ns; \
+ \
+ uint64_t iIteration = 0; \
+ do \
+ { \
+ RTTESTI_CHECK_RC(a_fnCall, VINF_SUCCESS); \
+ iIteration++; \
+ ns = RTTimeNanoTS() - nsStart; \
+ } while (ns < RT_NS_10MS || (iIteration & 1)); \
+ ns /= iIteration; \
+ if (ns > g_nsPerNanoTSCall + 32) \
+ ns -= g_nsPerNanoTSCall; \
+ \
+ uint64_t cIterations = (a_cNsTarget) / ns; \
+ if (cIterations <= 1) \
+ cIterations = 2; \
+ else if (cIterations & 1) \
+ cIterations++; \
+ \
+ /* Do the actual profiling: */ \
+ fsPerfYield(); \
+ iIteration = 0; \
+ nsStart = RTTimeNanoTS(); \
+ for (; iIteration < cIterations; iIteration++) \
+ RTTESTI_CHECK_RC(a_fnCall, VINF_SUCCESS); \
+ ns = RTTimeNanoTS() - nsStart; \
+ RTTestIValueF(ns / cIterations, RTTESTUNIT_NS_PER_OCCURRENCE, a_szDesc); \
+ if (g_fShowDuration) \
+ RTTestIValueF(ns, RTTESTUNIT_NS, "%s duration", a_szDesc); \
+ } while (0)
+
+
+/**
+ * Macro for profiling an operation on each file in the manytree directory tree.
+ *
+ * Always does an even number of tree iterations.
+ */
+#define PROFILE_MANYTREE_FN(a_szPath, a_fnCall, a_cEstimationIterations, a_cNsTarget, a_szDesc) \
+ do { \
+ if (!g_fManyFiles) \
+ break; \
+ \
+ /* Estimate how many iterations we need to fill up the given timeslot: */ \
+ fsPerfYield(); \
+ uint64_t nsStart = RTTimeNanoTS(); \
+ uint64_t ns; \
+ do \
+ ns = RTTimeNanoTS(); \
+ while (ns == nsStart); \
+ nsStart = ns; \
+ \
+ PFSPERFNAMEENTRY pCur; \
+ uint64_t iIteration = 0; \
+ do \
+ { \
+ RTListForEach(&g_ManyTreeHead, pCur, FSPERFNAMEENTRY, Entry) \
+ { \
+ memcpy(a_szPath, pCur->szName, pCur->cchName); \
+ for (uint32_t i = 0; i < g_cManyTreeFilesPerDir; i++) \
+ { \
+ RTStrFormatU32(&a_szPath[pCur->cchName], sizeof(a_szPath) - pCur->cchName, i, 10, 5, 5, RTSTR_F_ZEROPAD); \
+ RTTESTI_CHECK_RC(a_fnCall, VINF_SUCCESS); \
+ } \
+ } \
+ iIteration++; \
+ ns = RTTimeNanoTS() - nsStart; \
+ } while (ns < RT_NS_10MS || (iIteration & 1)); \
+ ns /= iIteration; \
+ if (ns > g_nsPerNanoTSCall + 32) \
+ ns -= g_nsPerNanoTSCall; \
+ \
+ uint32_t cIterations = (a_cNsTarget) / ns; \
+ if (cIterations <= 1) \
+ cIterations = 2; \
+ else if (cIterations & 1) \
+ cIterations++; \
+ \
+ /* Do the actual profiling: */ \
+ fsPerfYield(); \
+ uint32_t cCalls = 0; \
+ nsStart = RTTimeNanoTS(); \
+ for (iIteration = 0; iIteration < cIterations; iIteration++) \
+ { \
+ RTListForEach(&g_ManyTreeHead, pCur, FSPERFNAMEENTRY, Entry) \
+ { \
+ memcpy(a_szPath, pCur->szName, pCur->cchName); \
+ for (uint32_t i = 0; i < g_cManyTreeFilesPerDir; i++) \
+ { \
+ RTStrFormatU32(&a_szPath[pCur->cchName], sizeof(a_szPath) - pCur->cchName, i, 10, 5, 5, RTSTR_F_ZEROPAD); \
+ RTTESTI_CHECK_RC(a_fnCall, VINF_SUCCESS); \
+ cCalls++; \
+ } \
+ } \
+ } \
+ ns = RTTimeNanoTS() - nsStart; \
+ RTTestIValueF(ns / cCalls, RTTESTUNIT_NS_PER_OCCURRENCE, a_szDesc); \
+ if (g_fShowDuration) \
+ RTTestIValueF(ns, RTTESTUNIT_NS, "%s duration", a_szDesc); \
+ } while (0)
+
+
+/**
+ * Execute a_fnCall for each file in the manytree.
+ */
+#define DO_MANYTREE_FN(a_szPath, a_fnCall) \
+ do { \
+ PFSPERFNAMEENTRY pCur; \
+ RTListForEach(&g_ManyTreeHead, pCur, FSPERFNAMEENTRY, Entry) \
+ { \
+ memcpy(a_szPath, pCur->szName, pCur->cchName); \
+ for (uint32_t i = 0; i < g_cManyTreeFilesPerDir; i++) \
+ { \
+ RTStrFormatU32(&a_szPath[pCur->cchName], sizeof(a_szPath) - pCur->cchName, i, 10, 5, 5, RTSTR_F_ZEROPAD); \
+ a_fnCall; \
+ } \
+ } \
+ } while (0)
+
+
+/** @def FSPERF_VERR_PATH_NOT_FOUND
+ * Hides the fact that we only get VERR_PATH_NOT_FOUND on non-unix systems. */
+#if defined(RT_OS_WINDOWS) //|| defined(RT_OS_OS2) - using posix APIs IIRC, so lost in translation.
+# define FSPERF_VERR_PATH_NOT_FOUND VERR_PATH_NOT_FOUND
+#else
+# define FSPERF_VERR_PATH_NOT_FOUND VERR_FILE_NOT_FOUND
+#endif
+
+
+/*********************************************************************************************************************************
+* Structures and Typedefs *
+*********************************************************************************************************************************/
+typedef struct FSPERFNAMEENTRY
+{
+ RTLISTNODE Entry;
+ uint16_t cchName;
+ char szName[RT_FLEXIBLE_ARRAY];
+} FSPERFNAMEENTRY;
+typedef FSPERFNAMEENTRY *PFSPERFNAMEENTRY;
+
+
+enum
+{
+ kCmdOpt_First = 128,
+
+ kCmdOpt_ManyFiles = kCmdOpt_First,
+ kCmdOpt_NoManyFiles,
+ kCmdOpt_Open,
+ kCmdOpt_NoOpen,
+ kCmdOpt_FStat,
+ kCmdOpt_NoFStat,
+ kCmdOpt_FChMod,
+ kCmdOpt_NoFChMod,
+ kCmdOpt_FUtimes,
+ kCmdOpt_NoFUtimes,
+ kCmdOpt_Stat,
+ kCmdOpt_NoStat,
+ kCmdOpt_ChMod,
+ kCmdOpt_NoChMod,
+ kCmdOpt_Utimes,
+ kCmdOpt_NoUtimes,
+ kCmdOpt_Rename,
+ kCmdOpt_NoRename,
+ kCmdOpt_DirEnum,
+ kCmdOpt_NoDirEnum,
+ kCmdOpt_MkRmDir,
+ kCmdOpt_NoMkRmDir,
+ kCmdOpt_StatVfs,
+ kCmdOpt_NoStatVfs,
+ kCmdOpt_Rm,
+ kCmdOpt_NoRm,
+ kCmdOpt_ChSize,
+ kCmdOpt_NoChSize,
+ kCmdOpt_Read,
+ kCmdOpt_NoRead,
+ kCmdOpt_Write,
+ kCmdOpt_NoWrite,
+ kCmdOpt_Seek,
+ kCmdOpt_NoSeek,
+ kCmdOpt_FSync,
+ kCmdOpt_NoFSync,
+ kCmdOpt_MMap,
+ kCmdOpt_NoMMap,
+
+ kCmdOpt_End
+};
+
+
+/*********************************************************************************************************************************
+* Global Variables *
+*********************************************************************************************************************************/
+/** Command line parameters */
+static const RTGETOPTDEF g_aCmdOptions[] =
+{
+ { "--dir", 'd', RTGETOPT_REQ_STRING },
+ { "--seconds", 's', RTGETOPT_REQ_UINT32 },
+ { "--milliseconds", 'm', RTGETOPT_REQ_UINT64 },
+
+ { "--enable-all", 'e', RTGETOPT_REQ_NOTHING },
+ { "--disable-all", 'z', RTGETOPT_REQ_NOTHING },
+
+ { "--many-files", kCmdOpt_ManyFiles, RTGETOPT_REQ_NOTHING },
+ { "--no-many-files", kCmdOpt_NoManyFiles, RTGETOPT_REQ_NOTHING },
+
+ { "--open", kCmdOpt_Open, RTGETOPT_REQ_NOTHING },
+ { "--no-open", kCmdOpt_NoOpen, RTGETOPT_REQ_NOTHING },
+ { "--fstat", kCmdOpt_FStat, RTGETOPT_REQ_NOTHING },
+ { "--no-fstat", kCmdOpt_NoFStat, RTGETOPT_REQ_NOTHING },
+ { "--fchmod", kCmdOpt_FChMod, RTGETOPT_REQ_NOTHING },
+ { "--no-fchmod", kCmdOpt_NoFChMod, RTGETOPT_REQ_NOTHING },
+ { "--futimes", kCmdOpt_FUtimes, RTGETOPT_REQ_NOTHING },
+ { "--no-futimes", kCmdOpt_NoFUtimes, RTGETOPT_REQ_NOTHING },
+ { "--stat", kCmdOpt_Stat, RTGETOPT_REQ_NOTHING },
+ { "--no-stat", kCmdOpt_NoStat, RTGETOPT_REQ_NOTHING },
+ { "--chmod", kCmdOpt_ChMod, RTGETOPT_REQ_NOTHING },
+ { "--no-chmod", kCmdOpt_NoChMod, RTGETOPT_REQ_NOTHING },
+ { "--utimes", kCmdOpt_Utimes, RTGETOPT_REQ_NOTHING },
+ { "--no-utimes", kCmdOpt_NoUtimes, RTGETOPT_REQ_NOTHING },
+ { "--rename", kCmdOpt_Rename, RTGETOPT_REQ_NOTHING },
+ { "--no-rename", kCmdOpt_NoRename, RTGETOPT_REQ_NOTHING },
+ { "--dir-enum", kCmdOpt_DirEnum, RTGETOPT_REQ_NOTHING },
+ { "--no-dir-enum", kCmdOpt_NoDirEnum, RTGETOPT_REQ_NOTHING },
+ { "--mk-rm-dir", kCmdOpt_MkRmDir, RTGETOPT_REQ_NOTHING },
+ { "--no-mk-rm-dir", kCmdOpt_NoMkRmDir, RTGETOPT_REQ_NOTHING },
+ { "--stat-vfs", kCmdOpt_StatVfs, RTGETOPT_REQ_NOTHING },
+ { "--no-stat-vfs", kCmdOpt_NoStatVfs, RTGETOPT_REQ_NOTHING },
+ { "--rm", kCmdOpt_Rm, RTGETOPT_REQ_NOTHING },
+ { "--no-rm", kCmdOpt_NoRm, RTGETOPT_REQ_NOTHING },
+ { "--chsize", kCmdOpt_ChSize, RTGETOPT_REQ_NOTHING },
+ { "--no-chsize", kCmdOpt_NoChSize, RTGETOPT_REQ_NOTHING },
+ { "--read", kCmdOpt_Read, RTGETOPT_REQ_NOTHING },
+ { "--no-read", kCmdOpt_NoRead, RTGETOPT_REQ_NOTHING },
+ { "--write", kCmdOpt_Write, RTGETOPT_REQ_NOTHING },
+ { "--no-write", kCmdOpt_NoWrite, RTGETOPT_REQ_NOTHING },
+ { "--seek", kCmdOpt_Seek, RTGETOPT_REQ_NOTHING },
+ { "--no-seek", kCmdOpt_NoSeek, RTGETOPT_REQ_NOTHING },
+ { "--fsync", kCmdOpt_FSync, RTGETOPT_REQ_NOTHING },
+ { "--no-fsync", kCmdOpt_NoFSync, RTGETOPT_REQ_NOTHING },
+ { "--mmap", kCmdOpt_MMap, RTGETOPT_REQ_NOTHING },
+ { "--no-mmap", kCmdOpt_NoMMap, RTGETOPT_REQ_NOTHING },
+
+ { "--quiet", 'q', RTGETOPT_REQ_NOTHING },
+ { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
+ { "--version", 'V', RTGETOPT_REQ_NOTHING },
+ { "--help", 'h', RTGETOPT_REQ_NOTHING } /* for Usage() */
+};
+
+/** The test handle. */
+static RTTEST g_hTest;
+/** The number of nanoseconds a RTTimeNanoTS call takes.
+ * This is used for adjusting loop count estimates. */
+static uint64_t g_nsPerNanoTSCall = 1;
+/** Whether or not to display the duration of each profile run.
+ * This is chiefly for verify the estimate phase. */
+static bool g_fShowDuration = true;
+/** Verbosity level. */
+static uint32_t g_uVerbosity = 0;
+
+/** @name Selected subtest
+ * @{ */
+static bool g_fManyFiles = true;
+static bool g_fOpen = true;
+static bool g_fFStat = true;
+static bool g_fFChMod = true;
+static bool g_fFUtimes = true;
+static bool g_fStat = true;
+static bool g_fChMod = true;
+static bool g_fUtimes = true;
+static bool g_fRename = true;
+static bool g_fDirEnum = true;
+static bool g_fMkRmDir = true;
+static bool g_fStatVfs = true;
+static bool g_fRm = true;
+static bool g_fChSize = true;
+static bool g_fRead = true;
+static bool g_fWrite = true;
+static bool g_fSeek = true;
+static bool g_fFSync = true;
+static bool g_fMMap = true;
+/** @} */
+
+/** The length of each test run. */
+static uint64_t g_nsTestRun = RT_NS_1SEC_64 * 10;
+
+/** For the 'manyfiles' subdir. */
+static uint32_t g_cManyFiles = 10000;
+
+/** Number of files in the 'manytree' directory tree. */
+static uint32_t g_cManyTreeFiles = 640 + 16*640 /*10880*/;
+/** Number of files per directory in the 'manytree' construct. */
+static uint32_t g_cManyTreeFilesPerDir = 640;
+/* Number of subdirs per directory in the 'manytree' construct. */
+static uint32_t g_cManyTreeSubdirsPerDir = 16;
+/** The depth of the 'manytree' directory tree. */
+static uint32_t g_cManyTreeDepth = 1;
+/** List of directories in the many tree, creation order. */
+static RTLISTANCHOR g_ManyTreeHead;
+
+/** Number of configured I/O block sizes. */
+static uint32_t g_cIoBlocks = 8;
+/** Configured I/O block sizes. */
+static uint32_t g_acbIoBlocks[16] = { 1, 512, 4096, 16384, 65536, _1M, _32M, _128M };
+/** The desired size of the test file we use for I/O. */
+static uint64_t g_cbIoFile = _512M;
+
+/** The length of g_szDir. */
+static size_t g_cchDir;
+/** The length of g_szEmptyDir. */
+static size_t g_cchEmptyDir;
+/** The length of g_szDeepDir. */
+static size_t g_cchDeepDir;
+
+/** The test directory (absolute). This will always have a trailing slash. */
+static char g_szDir[RTPATH_MAX];
+/** The empty test directory (absolute). This will always have a trailing slash. */
+static char g_szEmptyDir[RTPATH_MAX];
+/** The deep test directory (absolute). This will always have a trailing slash. */
+static char g_szDeepDir[RTPATH_MAX];
+
+
+/**
+ * Yield the CPU and stuff before starting a test run.
+ */
+DECLINLINE(void) fsPerfYield(void)
+{
+ RTThreadYield();
+ RTThreadYield();
+}
+
+
+/**
+ * Profiles the RTTimeNanoTS call, setting g_nsPerNanoTSCall.
+ */
+static void fsPerfNanoTS(void)
+{
+ fsPerfYield();
+
+ /* Make sure we start off on a changing timestamp on platforms will low time resoultion. */
+ uint64_t nsStart = RTTimeNanoTS();
+ uint64_t ns;
+ do
+ ns = RTTimeNanoTS();
+ while (ns == nsStart);
+ nsStart = ns;
+
+ /* Call it for 10 ms. */
+ uint32_t i = 0;
+ do
+ {
+ i++;
+ ns = RTTimeNanoTS();
+ }
+ while (ns - nsStart < RT_NS_10MS);
+
+ g_nsPerNanoTSCall = (ns - nsStart) / i;
+}
+
+
+/**
+ * Construct a path relative to the base test directory.
+ *
+ * @returns g_szDir.
+ * @param pszAppend What to append.
+ * @param cchAppend How much to append.
+ */
+DECLINLINE(char *) InDir(const char *pszAppend, size_t cchAppend)
+{
+ Assert(g_szDir[g_cchDir - 1] == RTPATH_SLASH);
+ memcpy(&g_szDir[g_cchDir], pszAppend, cchAppend);
+ g_szDir[g_cchDir + cchAppend] = '\0';
+ return &g_szDir[0];
+}
+
+
+/**
+ * Construct a path relative to the empty directory.
+ *
+ * @returns g_szEmptyDir.
+ * @param pszAppend What to append.
+ * @param cchAppend How much to append.
+ */
+DECLINLINE(char *) InEmptyDir(const char *pszAppend, size_t cchAppend)
+{
+ Assert(g_szEmptyDir[g_cchEmptyDir - 1] == RTPATH_SLASH);
+ memcpy(&g_szEmptyDir[g_cchEmptyDir], pszAppend, cchAppend);
+ g_szEmptyDir[g_cchEmptyDir + cchAppend] = '\0';
+ return &g_szEmptyDir[0];
+}
+
+
+/**
+ * Construct a path relative to the deep test directory.
+ *
+ * @returns g_szDeepDir.
+ * @param pszAppend What to append.
+ * @param cchAppend How much to append.
+ */
+DECLINLINE(char *) InDeepDir(const char *pszAppend, size_t cchAppend)
+{
+ Assert(g_szDeepDir[g_cchDeepDir - 1] == RTPATH_SLASH);
+ memcpy(&g_szDeepDir[g_cchDeepDir], pszAppend, cchAppend);
+ g_szDeepDir[g_cchDeepDir + cchAppend] = '\0';
+ return &g_szDeepDir[0];
+}
+
+
+/**
+ * Prepares the test area.
+ * @returns VBox status code.
+ */
+static int fsPrepTestArea(void)
+{
+ /* The empty subdir and associated globals: */
+ static char s_szEmpty[] = "empty";
+ memcpy(g_szEmptyDir, g_szDir, g_cchDir);
+ memcpy(&g_szEmptyDir[g_cchDir], s_szEmpty, sizeof(s_szEmpty));
+ g_cchEmptyDir = g_cchDir + sizeof(s_szEmpty) - 1;
+ RTTESTI_CHECK_RC_RET(RTDirCreate(g_szEmptyDir, 0755, 0), VINF_SUCCESS, rcCheck);
+ g_szEmptyDir[g_cchEmptyDir++] = RTPATH_SLASH;
+ g_szEmptyDir[g_cchEmptyDir] = '\0';
+ RTTestIPrintf(RTTESTLVL_ALWAYS, "Empty dir: %s\n", g_szEmptyDir);
+
+ /* Deep directory: */
+ memcpy(g_szDeepDir, g_szDir, g_cchDir);
+ g_cchDeepDir = g_cchDir;
+ do
+ {
+ static char const s_szSub[] = "d" RTPATH_SLASH_STR;
+ memcpy(&g_szDeepDir[g_cchDeepDir], s_szSub, sizeof(s_szSub));
+ g_cchDeepDir += sizeof(s_szSub) - 1;
+ RTTESTI_CHECK_RC_RET( RTDirCreate(g_szDeepDir, 0755, 0), VINF_SUCCESS, rcCheck);
+ } while (g_cchDeepDir < 176);
+ RTTestIPrintf(RTTESTLVL_ALWAYS, "Deep dir: %s\n", g_szDeepDir);
+
+ /* Create known file in both deep and shallow dirs: */
+ RTFILE hKnownFile;
+ RTTESTI_CHECK_RC_RET(RTFileOpen(&hKnownFile, InDir(RT_STR_TUPLE("known-file")),
+ RTFILE_O_CREATE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE),
+ VINF_SUCCESS, rcCheck);
+ RTTESTI_CHECK_RC_RET(RTFileClose(hKnownFile), VINF_SUCCESS, rcCheck);
+
+ RTTESTI_CHECK_RC_RET(RTFileOpen(&hKnownFile, InDeepDir(RT_STR_TUPLE("known-file")),
+ RTFILE_O_CREATE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE),
+ VINF_SUCCESS, rcCheck);
+ RTTESTI_CHECK_RC_RET(RTFileClose(hKnownFile), VINF_SUCCESS, rcCheck);
+
+ return VINF_SUCCESS;
+}
+
+
+/**
+ * Create a name list entry.
+ * @returns Pointer to the entry, NULL if out of memory.
+ * @param pchName The name.
+ * @param cchName The name length.
+ */
+PFSPERFNAMEENTRY fsPerfCreateNameEntry(const char *pchName, size_t cchName)
+{
+ PFSPERFNAMEENTRY pEntry = (PFSPERFNAMEENTRY)RTMemAllocVar(RT_UOFFSETOF_DYN(FSPERFNAMEENTRY, szName[cchName + 1]));
+ if (pEntry)
+ {
+ RTListInit(&pEntry->Entry);
+ pEntry->cchName = (uint16_t)cchName;
+ memcpy(pEntry->szName, pchName, cchName);
+ pEntry->szName[cchName] = '\0';
+ }
+ return pEntry;
+}
+
+
+static int fsPerfManyTreeRecursiveDirCreator(size_t cchDir, uint32_t iDepth)
+{
+ PFSPERFNAMEENTRY pEntry = fsPerfCreateNameEntry(g_szDir, cchDir);
+ RTTESTI_CHECK_RET(pEntry, VERR_NO_MEMORY);
+ RTListAppend(&g_ManyTreeHead, &pEntry->Entry);
+
+ RTTESTI_CHECK_RC_RET(RTDirCreate(g_szDir, 0755, RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_DONT_SET | RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_NOT_CRITICAL),
+ VINF_SUCCESS, rcCheck);
+
+ if (iDepth < g_cManyTreeDepth)
+ for (uint32_t i = 0; i < g_cManyTreeSubdirsPerDir; i++)
+ {
+ size_t cchSubDir = RTStrPrintf(&g_szDir[cchDir], sizeof(g_szDir) - cchDir, "d%02u" RTPATH_SLASH_STR, i);
+ RTTESTI_CHECK_RC_RET(fsPerfManyTreeRecursiveDirCreator(cchDir + cchSubDir, iDepth + 1), VINF_SUCCESS, rcCheck);
+ }
+
+ return VINF_SUCCESS;
+}
+
+
+void fsPerfManyFiles(void)
+{
+ RTTestISub("manyfiles");
+
+ /*
+ * Create a sub-directory with like 10000 files in it.
+ *
+ * This does push the directory organization of the underlying file system,
+ * which is something we might not want to profile with shared folders. It
+ * is however useful for directory enumeration.
+ */
+ RTTESTI_CHECK_RC_RETV(RTDirCreate(InDir(RT_STR_TUPLE("manyfiles")), 0755,
+ RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_DONT_SET | RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_NOT_CRITICAL),
+ VINF_SUCCESS);
+
+ size_t offFilename = strlen(g_szDir);
+ g_szDir[offFilename++] = RTPATH_SLASH;
+
+ fsPerfYield();
+ RTFILE hFile;
+ uint64_t const nsStart = RTTimeNanoTS();
+ for (uint32_t i = 0; i < g_cManyFiles; i++)
+ {
+ RTStrFormatU32(&g_szDir[offFilename], sizeof(g_szDir) - offFilename, i, 10, 5, 5, RTSTR_F_ZEROPAD);
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile, g_szDir, RTFILE_O_CREATE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
+ }
+ uint64_t const cNsElapsed = RTTimeNanoTS() - nsStart;
+ RTTestIValueF(cNsElapsed, RTTESTUNIT_NS, "Creating %u empty files in single directory", g_cManyFiles);
+ RTTestIValueF(cNsElapsed / g_cManyFiles, RTTESTUNIT_NS_PER_OCCURRENCE, "Create empty file (single dir)");
+
+ /*
+ * Create a bunch of directories with exacly 32 files in each, hoping to
+ * avoid any directory organization artifacts.
+ */
+ /* Create the directories first, building a list of them for simplifying iteration: */
+ RTListInit(&g_ManyTreeHead);
+ InDir(RT_STR_TUPLE("manytree" RTPATH_SLASH_STR));
+ RTTESTI_CHECK_RC_RETV(fsPerfManyTreeRecursiveDirCreator(strlen(g_szDir), 0), VINF_SUCCESS);
+
+ /* Create the zero byte files: */
+ fsPerfYield();
+ uint64_t const nsStart2 = RTTimeNanoTS();
+ uint32_t cFiles = 0;
+ PFSPERFNAMEENTRY pCur;
+ RTListForEach(&g_ManyTreeHead, pCur, FSPERFNAMEENTRY, Entry)
+ {
+ char szPath[RTPATH_MAX];
+ memcpy(szPath, pCur->szName, pCur->cchName);
+ for (uint32_t i = 0; i < g_cManyTreeFilesPerDir; i++)
+ {
+ RTStrFormatU32(&szPath[pCur->cchName], sizeof(szPath) - pCur->cchName, i, 10, 5, 5, RTSTR_F_ZEROPAD);
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile, szPath, RTFILE_O_CREATE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
+ cFiles++;
+ }
+ }
+ uint64_t const cNsElapsed2 = RTTimeNanoTS() - nsStart2;
+ RTTestIValueF(cNsElapsed2, RTTESTUNIT_NS, "Creating %u empty files in tree", cFiles);
+ RTTestIValueF(cNsElapsed2 / cFiles, RTTESTUNIT_NS_PER_OCCURRENCE, "Create empty file (tree)");
+ RTTESTI_CHECK(g_cManyTreeFiles == cFiles);
+}
+
+
+DECL_FORCE_INLINE(int) fsPerfOpenExistingOnceReadonly(const char *pszFile)
+{
+ RTFILE hFile;
+ RTTESTI_CHECK_RC_RET(RTFileOpen(&hFile, pszFile, RTFILE_O_OPEN | RTFILE_O_DENY_NONE | RTFILE_O_READ), VINF_SUCCESS, rcCheck);
+ RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
+ return VINF_SUCCESS;
+}
+
+
+DECL_FORCE_INLINE(int) fsPerfOpenExistingOnceWriteonly(const char *pszFile)
+{
+ RTFILE hFile;
+ RTTESTI_CHECK_RC_RET(RTFileOpen(&hFile, pszFile, RTFILE_O_OPEN | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS, rcCheck);
+ RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
+ return VINF_SUCCESS;
+}
+
+
+void fsPerfOpen(void)
+{
+ RTTestISub("open");
+
+ /* Opening non-existing files. */
+ RTFILE hFile;
+ RTTESTI_CHECK_RC(RTFileOpen(&hFile, InEmptyDir(RT_STR_TUPLE("no-such-file")),
+ RTFILE_O_OPEN | RTFILE_O_DENY_NONE | RTFILE_O_READ), VERR_FILE_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTFileOpen(&hFile, InEmptyDir(RT_STR_TUPLE("no-such-dir" RTPATH_SLASH_STR "no-such-file")),
+ RTFILE_O_OPEN | RTFILE_O_DENY_NONE | RTFILE_O_READ), FSPERF_VERR_PATH_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTFileOpen(&hFile, InDir(RT_STR_TUPLE("known-file" RTPATH_SLASH_STR "no-such-file")),
+ RTFILE_O_OPEN | RTFILE_O_DENY_NONE | RTFILE_O_READ), VERR_PATH_NOT_FOUND);
+
+ /*
+ * Create file1 and then try exclusivly creating it again.
+ * Then profile opening it for reading.
+ */
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file1")),
+ RTFILE_O_CREATE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileOpen(&hFile, g_szDir, RTFILE_O_CREATE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VERR_ALREADY_EXISTS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+
+ PROFILE_FN(fsPerfOpenExistingOnceReadonly(g_szDir), g_nsTestRun, "RTFileOpen/Close/Readonly");
+ PROFILE_FN(fsPerfOpenExistingOnceWriteonly(g_szDir), g_nsTestRun, "RTFileOpen/Close/Writeonly");
+
+ /*
+ * Profile opening in the deep directory too.
+ */
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDeepDir(RT_STR_TUPLE("file1")),
+ RTFILE_O_CREATE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+ PROFILE_FN(fsPerfOpenExistingOnceReadonly(g_szDeepDir), g_nsTestRun, "RTFileOpen/Close/deep/readonly");
+ PROFILE_FN(fsPerfOpenExistingOnceWriteonly(g_szDeepDir), g_nsTestRun, "RTFileOpen/Close/deep/writeonly");
+
+ /* Manytree: */
+ char szPath[RTPATH_MAX];
+ PROFILE_MANYTREE_FN(szPath, fsPerfOpenExistingOnceReadonly(szPath), 1, g_nsTestRun, "RTFileOpen/Close/manytree/readonly");
+}
+
+
+void fsPerfFStat(void)
+{
+ RTTestISub("fstat");
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file2")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTFSOBJINFO ObjInfo = {0};
+ PROFILE_FN(RTFileQueryInfo(hFile1, &ObjInfo, RTFSOBJATTRADD_NOTHING), g_nsTestRun, "RTFileQueryInfo/NOTHING");
+ PROFILE_FN(RTFileQueryInfo(hFile1, &ObjInfo, RTFSOBJATTRADD_UNIX), g_nsTestRun, "RTFileQueryInfo/UNIX");
+
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+}
+
+
+void fsPerfFChMod(void)
+{
+ RTTestISub("fchmod");
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file4")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTFSOBJINFO ObjInfo = {0};
+ RTTESTI_CHECK_RC(RTFileQueryInfo(hFile1, &ObjInfo, RTFSOBJATTRADD_NOTHING), VINF_SUCCESS);
+ RTFMODE const fEvenMode = (ObjInfo.Attr.fMode & ~RTFS_UNIX_ALL_ACCESS_PERMS) | RTFS_DOS_READONLY | 0400;
+ RTFMODE const fOddMode = (ObjInfo.Attr.fMode & ~(RTFS_UNIX_ALL_ACCESS_PERMS | RTFS_DOS_READONLY)) | 0640;
+ PROFILE_FN(RTFileSetMode(hFile1, iIteration & 1 ? fOddMode : fEvenMode), g_nsTestRun, "RTFileSetMode");
+
+ RTFileSetMode(hFile1, ObjInfo.Attr.fMode);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+}
+
+
+void fsPerfFUtimes(void)
+{
+ RTTestISub("futimes");
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file5")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTIMESPEC Time1;
+ RTTimeNow(&Time1);
+ RTTIMESPEC Time2 = Time1;
+ RTTimeSpecSubSeconds(&Time2, 3636);
+
+ RTFSOBJINFO ObjInfo0 = {0};
+ RTTESTI_CHECK_RC(RTFileQueryInfo(hFile1, &ObjInfo0, RTFSOBJATTRADD_NOTHING), VINF_SUCCESS);
+
+ /* Modify modification time: */
+ RTTESTI_CHECK_RC(RTFileSetTimes(hFile1, NULL, &Time2, NULL, NULL), VINF_SUCCESS);
+ RTFSOBJINFO ObjInfo1 = {0};
+ RTTESTI_CHECK_RC(RTFileQueryInfo(hFile1, &ObjInfo1, RTFSOBJATTRADD_NOTHING), VINF_SUCCESS);
+ RTTESTI_CHECK((RTTimeSpecGetSeconds(&ObjInfo1.ModificationTime) >> 2) == (RTTimeSpecGetSeconds(&Time2) >> 2));
+ char sz1[RTTIME_STR_LEN], sz2[RTTIME_STR_LEN]; /* Div by 1000 here for posix impl. using timeval. */
+ RTTESTI_CHECK_MSG(RTTimeSpecGetNano(&ObjInfo1.AccessTime) / 1000 == RTTimeSpecGetNano(&ObjInfo0.AccessTime) / 1000,
+ ("%s, expected %s", RTTimeSpecToString(&ObjInfo1.AccessTime, sz1, sizeof(sz1)),
+ RTTimeSpecToString(&ObjInfo0.AccessTime, sz2, sizeof(sz2))));
+
+ /* Modify access time: */
+ RTTESTI_CHECK_RC(RTFileSetTimes(hFile1, &Time1, NULL, NULL, NULL), VINF_SUCCESS);
+ RTFSOBJINFO ObjInfo2 = {0};
+ RTTESTI_CHECK_RC(RTFileQueryInfo(hFile1, &ObjInfo2, RTFSOBJATTRADD_NOTHING), VINF_SUCCESS);
+ RTTESTI_CHECK((RTTimeSpecGetSeconds(&ObjInfo2.AccessTime) >> 2) == (RTTimeSpecGetSeconds(&Time1) >> 2));
+ RTTESTI_CHECK(RTTimeSpecGetNano(&ObjInfo2.ModificationTime) / 1000 == RTTimeSpecGetNano(&ObjInfo1.ModificationTime) / 1000);
+
+ /* Benchmark it: */
+ PROFILE_FN(RTFileSetTimes(hFile1, NULL, iIteration & 1 ? &Time1 : &Time2, NULL, NULL), g_nsTestRun, "RTFileSetTimes");
+
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+}
+
+
+void fsPerfStat(void)
+{
+ RTTestISub("stat");
+ RTFSOBJINFO ObjInfo;
+
+ /* Non-existing files. */
+ RTTESTI_CHECK_RC(RTPathQueryInfoEx(InEmptyDir(RT_STR_TUPLE("no-such-file")),
+ &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), VERR_FILE_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTPathQueryInfoEx(InEmptyDir(RT_STR_TUPLE("no-such-dir" RTPATH_SLASH_STR "no-such-file")),
+ &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), FSPERF_VERR_PATH_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTPathQueryInfoEx(InDir(RT_STR_TUPLE("known-file" RTPATH_SLASH_STR "no-such-file")),
+ &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), VERR_PATH_NOT_FOUND);
+
+ /* Shallow: */
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file3")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+
+ PROFILE_FN(RTPathQueryInfoEx(g_szDir, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), g_nsTestRun,
+ "RTPathQueryInfoEx/NOTHING");
+ PROFILE_FN(RTPathQueryInfoEx(g_szDir, &ObjInfo, RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK), g_nsTestRun,
+ "RTPathQueryInfoEx/UNIX");
+
+
+ /* Deep: */
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDeepDir(RT_STR_TUPLE("file3")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+
+ PROFILE_FN(RTPathQueryInfoEx(g_szDeepDir, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), g_nsTestRun,
+ "RTPathQueryInfoEx/deep/NOTHING");
+ PROFILE_FN(RTPathQueryInfoEx(g_szDeepDir, &ObjInfo, RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK), g_nsTestRun,
+ "RTPathQueryInfoEx/deep/UNIX");
+
+ /* Manytree: */
+ char szPath[RTPATH_MAX];
+ PROFILE_MANYTREE_FN(szPath, RTPathQueryInfoEx(szPath, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK),
+ 1, g_nsTestRun, "RTPathQueryInfoEx/manytree/NOTHING");
+ PROFILE_MANYTREE_FN(szPath, RTPathQueryInfoEx(szPath, &ObjInfo, RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK),
+ 1, g_nsTestRun, "RTPathQueryInfoEx/manytree/UNIX");
+}
+
+
+void fsPerfChmod(void)
+{
+ RTTestISub("chmod");
+
+ /* Non-existing files. */
+ RTTESTI_CHECK_RC(RTPathSetMode(InEmptyDir(RT_STR_TUPLE("no-such-file")), 0665),
+ VERR_FILE_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTPathSetMode(InEmptyDir(RT_STR_TUPLE("no-such-dir" RTPATH_SLASH_STR "no-such-file")), 0665),
+ FSPERF_VERR_PATH_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTPathSetMode(InDir(RT_STR_TUPLE("known-file" RTPATH_SLASH_STR "no-such-file")), 0665), VERR_PATH_NOT_FOUND);
+
+ /* Shallow: */
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file14")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+
+ RTFSOBJINFO ObjInfo;
+ RTTESTI_CHECK_RC(RTPathQueryInfoEx(g_szDir, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), VINF_SUCCESS);
+ RTFMODE const fEvenMode = (ObjInfo.Attr.fMode & ~RTFS_UNIX_ALL_ACCESS_PERMS) | RTFS_DOS_READONLY | 0400;
+ RTFMODE const fOddMode = (ObjInfo.Attr.fMode & ~(RTFS_UNIX_ALL_ACCESS_PERMS | RTFS_DOS_READONLY)) | 0640;
+ PROFILE_FN(RTPathSetMode(g_szDir, iIteration & 1 ? fOddMode : fEvenMode), g_nsTestRun, "RTPathSetMode");
+ RTPathSetMode(g_szDir, ObjInfo.Attr.fMode);
+
+ /* Deep: */
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDeepDir(RT_STR_TUPLE("file14")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+
+ PROFILE_FN(RTPathSetMode(g_szDeepDir, iIteration & 1 ? fOddMode : fEvenMode), g_nsTestRun, "RTPathSetMode/deep");
+ RTPathSetMode(g_szDeepDir, ObjInfo.Attr.fMode);
+
+ /* Manytree: */
+ char szPath[RTPATH_MAX];
+ PROFILE_MANYTREE_FN(szPath, RTPathSetMode(szPath, iIteration & 1 ? fOddMode : fEvenMode), 1, g_nsTestRun,
+ "RTPathSetMode/manytree");
+ DO_MANYTREE_FN(szPath, RTPathSetMode(szPath, ObjInfo.Attr.fMode));
+}
+
+
+void fsPerfUtimes(void)
+{
+ RTTestISub("utimes");
+
+ RTTIMESPEC Time1;
+ RTTimeNow(&Time1);
+ RTTIMESPEC Time2 = Time1;
+ RTTimeSpecSubSeconds(&Time2, 3636);
+
+ /* Non-existing files. */
+ RTTESTI_CHECK_RC(RTPathSetTimesEx(InEmptyDir(RT_STR_TUPLE("no-such-file")), NULL, &Time1, NULL, NULL, RTPATH_F_ON_LINK),
+ VERR_FILE_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTPathSetTimesEx(InEmptyDir(RT_STR_TUPLE("no-such-dir" RTPATH_SLASH_STR "no-such-file")),
+ NULL, &Time1, NULL, NULL, RTPATH_F_ON_LINK),
+ FSPERF_VERR_PATH_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTPathSetTimesEx(InDir(RT_STR_TUPLE("known-file" RTPATH_SLASH_STR "no-such-file")),
+ NULL, &Time1, NULL, NULL, RTPATH_F_ON_LINK),
+ VERR_PATH_NOT_FOUND);
+
+ /* Shallow: */
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file15")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+
+ RTFSOBJINFO ObjInfo0 = {0};
+ RTTESTI_CHECK_RC(RTPathQueryInfoEx(g_szDir, &ObjInfo0, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), VINF_SUCCESS);
+
+ /* Modify modification time: */
+ RTTESTI_CHECK_RC(RTPathSetTimesEx(g_szDir, NULL, &Time2, NULL, NULL, RTPATH_F_ON_LINK), VINF_SUCCESS);
+ RTFSOBJINFO ObjInfo1;
+ RTTESTI_CHECK_RC(RTPathQueryInfoEx(g_szDir, &ObjInfo1, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), VINF_SUCCESS);
+ RTTESTI_CHECK((RTTimeSpecGetSeconds(&ObjInfo1.ModificationTime) >> 2) == (RTTimeSpecGetSeconds(&Time2) >> 2));
+ RTTESTI_CHECK(RTTimeSpecGetNano(&ObjInfo1.AccessTime) / 1000 == RTTimeSpecGetNano(&ObjInfo0.AccessTime) / 1000 /* posix timeval */);
+
+ /* Modify access time: */
+ RTTESTI_CHECK_RC(RTPathSetTimesEx(g_szDir, &Time1, NULL, NULL, NULL, RTPATH_F_ON_LINK), VINF_SUCCESS);
+ RTFSOBJINFO ObjInfo2 = {0};
+ RTTESTI_CHECK_RC(RTPathQueryInfoEx(g_szDir, &ObjInfo2, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), VINF_SUCCESS);
+ RTTESTI_CHECK((RTTimeSpecGetSeconds(&ObjInfo2.AccessTime) >> 2) == (RTTimeSpecGetSeconds(&Time1) >> 2));
+ RTTESTI_CHECK(RTTimeSpecGetNano(&ObjInfo2.ModificationTime) / 1000 == RTTimeSpecGetNano(&ObjInfo1.ModificationTime) / 1000 /* posix timeval */);
+
+ /* Profile shallow: */
+ PROFILE_FN(RTPathSetTimesEx(g_szDir, iIteration & 1 ? &Time1 : &Time2, iIteration & 1 ? &Time2 : &Time1,
+ NULL, NULL, RTPATH_F_ON_LINK),
+ g_nsTestRun, "RTPathSetTimesEx");
+
+ /* Deep: */
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDeepDir(RT_STR_TUPLE("file15")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+
+ PROFILE_FN(RTPathSetTimesEx(g_szDeepDir, iIteration & 1 ? &Time1 : &Time2, iIteration & 1 ? &Time2 : &Time1,
+ NULL, NULL, RTPATH_F_ON_LINK),
+ g_nsTestRun, "RTPathSetTimesEx/deep");
+
+ /* Manytree: */
+ char szPath[RTPATH_MAX];
+ PROFILE_MANYTREE_FN(szPath, RTPathSetTimesEx(szPath, iIteration & 1 ? &Time1 : &Time2, iIteration & 1 ? &Time2 : &Time1,
+ NULL, NULL, RTPATH_F_ON_LINK),
+ 1, g_nsTestRun, "RTPathSetTimesEx/manytree");
+}
+
+
+DECL_FORCE_INLINE(int) fsPerfRenameMany(const char *pszFile, uint32_t iIteration)
+{
+ char szRenamed[RTPATH_MAX];
+ strcat(strcpy(szRenamed, pszFile), "-renamed");
+ if (!(iIteration & 1))
+ return RTPathRename(pszFile, szRenamed, 0);
+ return RTPathRename(szRenamed, pszFile, 0);
+}
+
+
+void fsPerfRename(void)
+{
+ RTTestISub("rename");
+ char szPath[RTPATH_MAX];
+
+ /* Non-existing files. */
+ strcpy(szPath, InEmptyDir(RT_STR_TUPLE("other-no-such-file")));
+ RTTESTI_CHECK_RC(RTPathRename(InEmptyDir(RT_STR_TUPLE("no-such-file")), szPath, 0), VERR_FILE_NOT_FOUND);
+ strcpy(szPath, InEmptyDir(RT_STR_TUPLE("no-such-dir" RTPATH_SLASH_STR "other-no-such-file")));
+ RTTESTI_CHECK_RC(RTPathRename(InEmptyDir(RT_STR_TUPLE("no-such-dir" RTPATH_SLASH_STR "no-such-file")), szPath, 0),
+ FSPERF_VERR_PATH_NOT_FOUND);
+ strcpy(szPath, InEmptyDir(RT_STR_TUPLE("other-no-such-file")));
+ RTTESTI_CHECK_RC(RTPathRename(InDir(RT_STR_TUPLE("known-file" RTPATH_SLASH_STR "no-such-file")), szPath, 0), VERR_PATH_NOT_FOUND);
+
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file16")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+ strcat(strcpy(szPath, g_szDir), "-no-such-dir" RTPATH_SLASH_STR "file16");
+ RTTESTI_CHECK_RC(RTPathRename(szPath, g_szDir, 0), FSPERF_VERR_PATH_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTPathRename(g_szDir, szPath, 0), FSPERF_VERR_PATH_NOT_FOUND);
+
+ /* Shallow: */
+ strcat(strcpy(szPath, g_szDir), "-other");
+ PROFILE_FN(RTPathRename(iIteration & 1 ? szPath : g_szDir, iIteration & 1 ? g_szDir : szPath, 0), g_nsTestRun, "RTPathRename");
+
+ /* Deep: */
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDeepDir(RT_STR_TUPLE("file15")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+
+ strcat(strcpy(szPath, g_szDeepDir), "-other");
+ PROFILE_FN(RTPathRename(iIteration & 1 ? szPath : g_szDeepDir, iIteration & 1 ? g_szDeepDir : szPath, 0),
+ g_nsTestRun, "RTPathRename/deep");
+
+ /* Manytree: */
+ PROFILE_MANYTREE_FN(szPath, fsPerfRenameMany(szPath, iIteration), 2, g_nsTestRun, "RTPathRename/manytree");
+}
+
+
+DECL_FORCE_INLINE(int) fsPerfEnumEmpty(void)
+{
+ RTDIR hDir;
+ g_szEmptyDir[g_cchEmptyDir] = '\0';
+ RTTESTI_CHECK_RC_RET(RTDirOpen(&hDir, g_szEmptyDir), VINF_SUCCESS, rcCheck);
+
+ RTDIRENTRY Entry;
+ RTTESTI_CHECK_RC(RTDirRead(hDir, &Entry, NULL), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTDirRead(hDir, &Entry, NULL), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTDirRead(hDir, &Entry, NULL), VERR_NO_MORE_FILES);
+
+ RTTESTI_CHECK_RC(RTDirClose(hDir), VINF_SUCCESS);
+ return VINF_SUCCESS;
+}
+
+
+DECL_FORCE_INLINE(int) fsPerfEnumManyFiles(void)
+{
+ RTDIR hDir;
+ RTTESTI_CHECK_RC_RET(RTDirOpen(&hDir, InDir(RT_STR_TUPLE("manyfiles"))), VINF_SUCCESS, rcCheck);
+ uint32_t cLeft = g_cManyFiles + 2;
+ for (;;)
+ {
+ RTDIRENTRY Entry;
+ if (cLeft > 0)
+ RTTESTI_CHECK_RC_BREAK(RTDirRead(hDir, &Entry, NULL), VINF_SUCCESS);
+ else
+ {
+ RTTESTI_CHECK_RC(RTDirRead(hDir, &Entry, NULL), VERR_NO_MORE_FILES);
+ break;
+ }
+ cLeft--;
+ }
+ RTTESTI_CHECK_RC(RTDirClose(hDir), VINF_SUCCESS);
+ return VINF_SUCCESS;
+}
+
+
+void vsPerfDirEnum(void)
+{
+ RTTestISub("dir enum");
+ RTDIR hDir;
+
+ /* Non-existing files. */
+ RTTESTI_CHECK_RC(RTDirOpen(&hDir, InEmptyDir(RT_STR_TUPLE("no-such-file"))), VERR_FILE_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTDirOpen(&hDir, InEmptyDir(RT_STR_TUPLE("no-such-dir" RTPATH_SLASH_STR "no-such-file"))), FSPERF_VERR_PATH_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTDirOpen(&hDir, InDir(RT_STR_TUPLE("known-file" RTPATH_SLASH_STR "no-such-file"))), VERR_PATH_NOT_FOUND);
+
+ /*
+ * The empty directory.
+ */
+ g_szEmptyDir[g_cchEmptyDir] = '\0';
+ RTTESTI_CHECK_RC_RETV(RTDirOpen(&hDir, g_szEmptyDir), VINF_SUCCESS);
+
+ uint32_t fDots = 0;
+ RTDIRENTRY Entry;
+ RTTESTI_CHECK_RC(RTDirRead(hDir, &Entry, NULL), VINF_SUCCESS);
+ RTTESTI_CHECK(RTDirEntryIsStdDotLink(&Entry));
+ fDots |= RT_BIT_32(Entry.cbName - 1);
+
+ RTTESTI_CHECK_RC(RTDirRead(hDir, &Entry, NULL), VINF_SUCCESS);
+ RTTESTI_CHECK(RTDirEntryIsStdDotLink(&Entry));
+ fDots |= RT_BIT_32(Entry.cbName - 1);
+ RTTESTI_CHECK(fDots == 3);
+
+ RTTESTI_CHECK_RC(RTDirRead(hDir, &Entry, NULL), VERR_NO_MORE_FILES);
+
+ RTTESTI_CHECK_RC(RTDirClose(hDir), VINF_SUCCESS);
+
+ /*
+ * The directory with many files in it.
+ */
+ if (g_fManyFiles)
+ {
+ fDots = 0;
+ uint32_t const cBitmap = RT_ALIGN_32(g_cManyFiles, 64);
+ void *pvBitmap = alloca(cBitmap / 8);
+ RT_BZERO(pvBitmap, cBitmap / 8);
+ for (uint32_t i = g_cManyFiles; i < cBitmap; i++)
+ ASMBitSet(pvBitmap, i);
+
+ uint32_t cFiles = 0;
+ RTTESTI_CHECK_RC_RETV(RTDirOpen(&hDir, InDir(RT_STR_TUPLE("manyfiles"))), VINF_SUCCESS);
+ for (;;)
+ {
+ int rc = RTDirRead(hDir, &Entry, NULL);
+ if (rc == VINF_SUCCESS)
+ {
+ if (Entry.szName[0] == '.')
+ {
+ if (Entry.szName[1] == '.')
+ {
+ RTTESTI_CHECK(!(fDots & 2));
+ fDots |= 2;
+ }
+ else
+ {
+ RTTESTI_CHECK(Entry.szName[1] == '\0');
+ RTTESTI_CHECK(!(fDots & 1));
+ fDots |= 1;
+ }
+ }
+ else
+ {
+ uint32_t iFile = UINT32_MAX;
+ RTTESTI_CHECK_RC(RTStrToUInt32Full(Entry.szName, 10, &iFile), VINF_SUCCESS);
+ if ( iFile < g_cManyFiles
+ && !ASMBitTest(pvBitmap, iFile))
+ {
+ ASMBitSet(pvBitmap, iFile);
+ cFiles++;
+ }
+ else
+ RTTestFailed(g_hTest, "line %u: iFile=%u g_cManyFiles=%u\n", __LINE__, iFile, g_cManyFiles);
+ }
+ }
+ else if (rc == VERR_NO_MORE_FILES)
+ break;
+ else
+ {
+ RTTestFailed(g_hTest, "RTDirRead failed enumerating manyfiles: %Rrc\n", rc);
+ RTDirClose(hDir);
+ return;
+ }
+ }
+ RTTESTI_CHECK_RC(RTDirClose(hDir), VINF_SUCCESS);
+ RTTESTI_CHECK(fDots == 3);
+ RTTESTI_CHECK(cFiles == g_cManyFiles);
+ RTTESTI_CHECK(ASMMemIsAllU8(pvBitmap, cBitmap / 8, 0xff));
+ }
+
+ /*
+ * Profile.
+ */
+ PROFILE_FN(fsPerfEnumEmpty(),g_nsTestRun, "RTDirOpen/Read/Close empty");
+ if (g_fManyFiles)
+ PROFILE_FN(fsPerfEnumManyFiles(), g_nsTestRun, "RTDirOpen/Read/Close manyfiles");
+}
+
+
+void fsPerfMkRmDir(void)
+{
+ RTTestISub("mkdir/rmdir");
+
+ /* Non-existing directories: */
+ RTTESTI_CHECK_RC(RTDirRemove(InEmptyDir(RT_STR_TUPLE("no-such-dir"))), VERR_FILE_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTDirRemove(InEmptyDir(RT_STR_TUPLE("no-such-dir" RTPATH_SLASH_STR "no-such-file"))), FSPERF_VERR_PATH_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTDirRemove(InDir(RT_STR_TUPLE("known-file" RTPATH_SLASH_STR "no-such-file"))), VERR_PATH_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTDirCreate(InEmptyDir(RT_STR_TUPLE("no-such-dir" RTPATH_SLASH_STR "no-such-file")), 0755, 0), FSPERF_VERR_PATH_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTDirCreate(InDir(RT_STR_TUPLE("known-file" RTPATH_SLASH_STR "no-such-file")), 0755, 0), VERR_PATH_NOT_FOUND);
+
+ /** @todo check what happens if non-final path component isn't a directory. unix
+ * should return ENOTDIR and IPRT translates that to VERR_PATH_NOT_FOUND.
+ * Curious what happens on windows. */
+
+ /* Already existing directories and files: */
+ RTTESTI_CHECK_RC(RTDirCreate(InEmptyDir(RT_STR_TUPLE(".")), 0755, 0), VERR_ALREADY_EXISTS);
+ RTTESTI_CHECK_RC(RTDirCreate(InEmptyDir(RT_STR_TUPLE("..")), 0755, 0), VERR_ALREADY_EXISTS);
+
+ /* Remove directory with subdirectories: */
+#if defined(RT_OS_WINDOWS)
+ RTTESTI_CHECK_RC(RTDirRemove(InDir(RT_STR_TUPLE("."))), VERR_DIR_NOT_EMPTY);
+#else
+ RTTESTI_CHECK_RC(RTDirRemove(InDir(RT_STR_TUPLE("."))), VERR_INVALID_PARAMETER); /* EINVAL for '.' */
+#endif
+#if defined(RT_OS_WINDOWS)
+ RTTESTI_CHECK_RC(RTDirRemove(InDir(RT_STR_TUPLE(".."))), VERR_SHARING_VIOLATION); /* weird */
+#else
+ RTTESTI_CHECK_RC(RTDirRemove(InDir(RT_STR_TUPLE(".."))), VERR_DIR_NOT_EMPTY);
+#endif
+ RTTESTI_CHECK_RC(RTDirRemove(InDir(RT_STR_TUPLE(""))), VERR_DIR_NOT_EMPTY);
+
+ /* Create a directory and remove it: */
+ RTTESTI_CHECK_RC(RTDirCreate(InDir(RT_STR_TUPLE("subdir-1")), 0755, 0), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTDirRemove(g_szDir), VINF_SUCCESS);
+
+ /* Create a file and try remove it or create a directory with the same name: */
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file18")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTDirRemove(g_szDir), VERR_NOT_A_DIRECTORY);
+ RTTESTI_CHECK_RC(RTDirCreate(g_szDir, 0755, 0), VERR_ALREADY_EXISTS);
+ RTTESTI_CHECK_RC(RTDirCreate(InDir(RT_STR_TUPLE("file18" RTPATH_SLASH_STR "subdir")), 0755, 0), VERR_PATH_NOT_FOUND);
+
+ /*
+ * Profile alternately creating and removing a bunch of directories.
+ */
+ RTTESTI_CHECK_RC_RETV(RTDirCreate(InDir(RT_STR_TUPLE("subdir-2")), 0755, 0), VINF_SUCCESS);
+ size_t cchDir = strlen(g_szDir);
+ g_szDir[cchDir++] = RTPATH_SLASH;
+ g_szDir[cchDir++] = 's';
+
+ uint32_t cCreated = 0;
+ uint64_t nsCreate = 0;
+ uint64_t nsRemove = 0;
+ for (;;)
+ {
+ /* Create a bunch: */
+ uint64_t nsStart = RTTimeNanoTS();
+ for (uint32_t i = 0; i < 998; i++)
+ {
+ RTStrFormatU32(&g_szDir[cchDir], sizeof(g_szDir) - cchDir, i, 10, 3, 3, RTSTR_F_ZEROPAD);
+ RTTESTI_CHECK_RC_RETV(RTDirCreate(g_szDir, 0755, 0), VINF_SUCCESS);
+ }
+ nsCreate += RTTimeNanoTS() - nsStart;
+ cCreated += 998;
+
+ /* Remove the bunch: */
+ nsStart = RTTimeNanoTS();
+ for (uint32_t i = 0; i < 998; i++)
+ {
+ RTStrFormatU32(&g_szDir[cchDir], sizeof(g_szDir) - cchDir, i, 10, 3, 3, RTSTR_F_ZEROPAD);
+ RTTESTI_CHECK_RC_RETV(RTDirRemove(g_szDir), VINF_SUCCESS);
+ }
+ nsRemove = RTTimeNanoTS() - nsStart;
+
+ /* Check if we got time for another round: */
+ if ( ( nsRemove >= g_nsTestRun
+ && nsCreate >= g_nsTestRun)
+ || nsCreate + nsRemove >= g_nsTestRun * 3)
+ break;
+ }
+ RTTestIValue("RTDirCreate", nsCreate / cCreated, RTTESTUNIT_NS_PER_OCCURRENCE);
+ RTTestIValue("RTDirRemove", nsRemove / cCreated, RTTESTUNIT_NS_PER_OCCURRENCE);
+}
+
+
+void fsPerfStatVfs(void)
+{
+ RTTestISub("statvfs");
+
+ g_szEmptyDir[g_cchEmptyDir] = '\0';
+ RTFOFF cbTotal;
+ RTFOFF cbFree;
+ uint32_t cbBlock;
+ uint32_t cbSector;
+ RTTESTI_CHECK_RC(RTFsQuerySizes(g_szEmptyDir, &cbTotal, &cbFree, &cbBlock, &cbSector), VINF_SUCCESS);
+
+ uint32_t uSerial;
+ RTTESTI_CHECK_RC(RTFsQuerySerial(g_szEmptyDir, &uSerial), VINF_SUCCESS);
+
+ RTFSPROPERTIES Props;
+ RTTESTI_CHECK_RC(RTFsQueryProperties(g_szEmptyDir, &Props), VINF_SUCCESS);
+
+ RTFSTYPE enmType;
+ RTTESTI_CHECK_RC(RTFsQueryType(g_szEmptyDir, &enmType), VINF_SUCCESS);
+
+}
+
+
+void fsPerfRm(void)
+{
+ RTTestISub("rm");
+
+ /* Non-existing files. */
+ RTTESTI_CHECK_RC(RTFileDelete(InEmptyDir(RT_STR_TUPLE("no-such-file"))), VERR_FILE_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTFileDelete(InEmptyDir(RT_STR_TUPLE("no-such-dir" RTPATH_SLASH_STR "no-such-file"))), FSPERF_VERR_PATH_NOT_FOUND);
+ RTTESTI_CHECK_RC(RTFileDelete(InDir(RT_STR_TUPLE("known-file" RTPATH_SLASH_STR "no-such-file"))), VERR_PATH_NOT_FOUND);
+
+ /* Directories: */
+#if defined(RT_OS_WINDOWS)
+ RTTESTI_CHECK_RC(RTFileDelete(InEmptyDir(RT_STR_TUPLE("."))), VERR_ACCESS_DENIED);
+ RTTESTI_CHECK_RC(RTFileDelete(InEmptyDir(RT_STR_TUPLE(".."))), VERR_ACCESS_DENIED);
+ RTTESTI_CHECK_RC(RTFileDelete(InEmptyDir(RT_STR_TUPLE(""))), VERR_ACCESS_DENIED);
+#else
+ RTTESTI_CHECK_RC(RTFileDelete(InEmptyDir(RT_STR_TUPLE("."))), VERR_IS_A_DIRECTORY);
+ RTTESTI_CHECK_RC(RTFileDelete(InEmptyDir(RT_STR_TUPLE(".."))), VERR_IS_A_DIRECTORY);
+ RTTESTI_CHECK_RC(RTFileDelete(InEmptyDir(RT_STR_TUPLE(""))), VERR_IS_A_DIRECTORY);
+#endif
+
+ /* Shallow: */
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file19")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_WRITE), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileDelete(g_szDir), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileDelete(g_szDir), VERR_FILE_NOT_FOUND);
+
+ if (g_fManyFiles)
+ {
+ /*
+ * Profile the deletion of the manyfiles content.
+ */
+ {
+ InDir(RT_STR_TUPLE("manyfiles" RTPATH_SLASH_STR));
+ size_t const offFilename = strlen(g_szDir);
+ fsPerfYield();
+ uint64_t const nsStart = RTTimeNanoTS();
+ for (uint32_t i = 0; i < g_cManyFiles; i++)
+ {
+ RTStrFormatU32(&g_szDir[offFilename], sizeof(g_szDir) - offFilename, i, 10, 5, 5, RTSTR_F_ZEROPAD);
+ RTTESTI_CHECK_RC_RETV(RTFileDelete(g_szDir), VINF_SUCCESS);
+ }
+ uint64_t const cNsElapsed = RTTimeNanoTS() - nsStart;
+ RTTestIValueF(cNsElapsed, RTTESTUNIT_NS, "Deleted %u empty files from a single directory", g_cManyFiles);
+ RTTestIValueF(cNsElapsed / g_cManyFiles, RTTESTUNIT_NS_PER_OCCURRENCE, "Delete file (single dir)");
+ }
+
+ /*
+ * Ditto for the manytree.
+ */
+ {
+ char szPath[RTPATH_MAX];
+ uint64_t const nsStart = RTTimeNanoTS();
+ DO_MANYTREE_FN(szPath, RTTESTI_CHECK_RC_RETV(RTFileDelete(szPath), VINF_SUCCESS));
+ uint64_t const cNsElapsed = RTTimeNanoTS() - nsStart;
+ RTTestIValueF(cNsElapsed, RTTESTUNIT_NS, "Deleted %u empty files in tree", g_cManyTreeFiles);
+ RTTestIValueF(cNsElapsed / g_cManyTreeFiles, RTTESTUNIT_NS_PER_OCCURRENCE, "Delete file (tree)");
+ }
+ }
+}
+
+
+void fsPerfChSize(void)
+{
+ RTTestISub("chsize");
+
+ /*
+ * We need some free space to perform this test.
+ */
+ g_szDir[g_cchDir] = '\0';
+ RTFOFF cbFree = 0;
+ RTTESTI_CHECK_RC_RETV(RTFsQuerySizes(g_szDir, NULL, &cbFree, NULL, NULL), VINF_SUCCESS);
+ if (cbFree < _1M)
+ {
+ RTTestSkipped(g_hTest, "Insufficent free space: %'RU64 bytes, requires >= 1MB", cbFree);
+ return;
+ }
+
+ /*
+ * Create a file and play around with it's size.
+ * We let the current file position follow the end position as we make changes.
+ */
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file20")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_READWRITE), VINF_SUCCESS);
+ uint64_t cbFile = UINT64_MAX;
+ RTTESTI_CHECK_RC(RTFileGetSize(hFile1, &cbFile), VINF_SUCCESS);
+ RTTESTI_CHECK(cbFile == 0);
+
+ uint8_t abBuf[4096];
+ static uint64_t const s_acbChanges[] =
+ {
+ 1023, 1024, 1024, 1025, 8192, 11111, _1M, _8M, _8M,
+ _4M, _2M + 1, _1M - 1, 65537, 65536, 32768, 8000, 7999, 7998, 1024, 1, 0
+ };
+ uint64_t cbOld = 0;
+ for (unsigned i = 0; i < RT_ELEMENTS(s_acbChanges); i++)
+ {
+ uint64_t cbNew = s_acbChanges[i];
+ if (cbNew + _64K >= (uint64_t)cbFree)
+ continue;
+
+ RTTESTI_CHECK_RC(RTFileSetSize(hFile1, cbNew), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileGetSize(hFile1, &cbFile), VINF_SUCCESS);
+ RTTESTI_CHECK_MSG(cbFile == cbNew, ("cbFile=%#RX64 cbNew=%#RX64\n", cbFile, cbNew));
+
+ if (cbNew > cbOld)
+ {
+ /* Check that the extension is all zeroed: */
+ uint64_t cbLeft = cbNew - cbOld;
+ while (cbLeft > 0)
+ {
+ memset(abBuf, 0xff, sizeof(abBuf));
+ size_t cbToRead = sizeof(abBuf);
+ if (cbToRead > cbLeft)
+ cbToRead = (size_t)cbLeft;
+ RTTESTI_CHECK_RC(RTFileRead(hFile1, abBuf, cbToRead, NULL), VINF_SUCCESS);
+ RTTESTI_CHECK(ASMMemIsZero(abBuf, cbToRead));
+ cbLeft -= cbToRead;
+ }
+ }
+ else
+ {
+ /* Check that reading fails with EOF because current position is now beyond the end: */
+ RTTESTI_CHECK_RC(RTFileRead(hFile1, abBuf, 1, NULL), VERR_EOF);
+
+ /* Keep current position at the end of the file: */
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, cbNew, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+ }
+ cbOld = cbNew;
+ }
+
+ /*
+ * Profile just the file setting operation itself, keeping the changes within
+ * an allocation unit to avoid needing to adjust the actual (host) FS allocation.
+ * ASSUMES allocation unit >= 512 and power of two.
+ */
+ RTTESTI_CHECK_RC(RTFileSetSize(hFile1, _64K), VINF_SUCCESS);
+ PROFILE_FN(RTFileSetSize(hFile1, _64K - (iIteration & 255) - 128), g_nsTestRun, "RTFileSetSize/noalloc");
+
+ RTTESTI_CHECK_RC(RTFileSetSize(hFile1, 0), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileDelete(g_szDir), VINF_SUCCESS);
+}
+
+
+int fsPerfIoPrepFile(RTFILE hFile1, uint64_t cbFile, uint8_t **ppbFree)
+{
+ /*
+ * Seek to the end - 4K and write the last 4K.
+ * This should have the effect of filling the whole file with zeros.
+ */
+ RTTESTI_CHECK_RC_RET(RTFileSeek(hFile1, cbFile - _4K, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS, rcCheck);
+ RTTESTI_CHECK_RC_RET(RTFileWrite(hFile1, g_abRTZero4K, _4K, NULL), VINF_SUCCESS, rcCheck);
+
+ /*
+ * Check that the space we searched across actually is zero filled.
+ */
+ RTTESTI_CHECK_RC_RET(RTFileSeek(hFile1, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS, rcCheck);
+ size_t cbBuf = _1M;
+ uint8_t *pbBuf = *ppbFree = (uint8_t *)RTMemAlloc(cbBuf);
+ RTTESTI_CHECK_RET(pbBuf != NULL, VERR_NO_MEMORY);
+ uint64_t cbLeft = cbFile;
+ while (cbLeft > 0)
+ {
+ size_t cbToRead = cbBuf;
+ if (cbToRead > cbLeft)
+ cbToRead = (size_t)cbLeft;
+ pbBuf[cbToRead] = 0xff;
+
+ RTTESTI_CHECK_RC_RET(RTFileRead(hFile1, pbBuf, cbToRead, NULL), VINF_SUCCESS, rcCheck);
+ RTTESTI_CHECK_RET(ASMMemIsZero(pbBuf, cbToRead), VERR_MISMATCH);
+
+ cbLeft -= cbToRead;
+ }
+
+ /*
+ * Fill the file with 0xf6 and insert offset markers with 1KB intervals.
+ */
+ RTTESTI_CHECK_RC_RET(RTFileSeek(hFile1, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS, rcCheck);
+ memset(pbBuf, 0xf6, cbBuf);
+ cbLeft = cbFile;
+ uint64_t off = 0;
+ while (cbLeft > 0)
+ {
+ Assert(!(off & (_1K - 1)));
+ Assert(!(cbBuf & (_1K - 1)));
+ for (size_t offBuf = 0; offBuf < cbBuf; offBuf += _1K, off += _1K)
+ *(uint64_t *)&pbBuf[offBuf] = off;
+
+ size_t cbToWrite = cbBuf;
+ if (cbToWrite > cbLeft)
+ cbToWrite = (size_t)cbLeft;
+
+ RTTESTI_CHECK_RC_RET(RTFileWrite(hFile1, pbBuf, cbToWrite, NULL), VINF_SUCCESS, rcCheck);
+
+ cbLeft -= cbToWrite;
+ }
+
+ return VINF_SUCCESS;
+}
+
+
+/**
+ * Checks the content read from the file fsPerfIoPrepFile() prepared.
+ */
+bool fsPerfCheckReadBuf(unsigned uLineNo, uint64_t off, uint8_t const *pbBuf, size_t cbBuf, uint8_t bFiller = 0xf6)
+{
+ uint32_t cMismatches = 0;
+ size_t offBuf = 0;
+ uint32_t offBlock = (uint32_t)(off & (_1K - 1));
+ while (offBuf < cbBuf)
+ {
+ /*
+ * Check the offset marker:
+ */
+ if (offBlock < sizeof(uint64_t))
+ {
+ RTUINT64U uMarker;
+ uMarker.u = off + offBuf - offBlock;
+ unsigned offMarker = offBlock & (sizeof(uint64_t) - 1);
+ while (offMarker < sizeof(uint64_t) && offBuf < cbBuf)
+ {
+ if (uMarker.au8[offMarker] != pbBuf[offBuf])
+ {
+ RTTestIFailed("%u: Mismatch at buffer/file offset %#zx/%#RX64: %#x, expected %#x",
+ uLineNo, offBuf, off + offBuf, pbBuf[offBuf], uMarker.au8[offMarker]);
+ if (cMismatches++ > 32)
+ return false;
+ }
+ offMarker++;
+ offBuf++;
+ }
+ offBlock = sizeof(uint64_t);
+ }
+
+ /*
+ * Check the filling:
+ */
+ size_t cbFilling = RT_MIN(_1K - offBlock, cbBuf - offBuf);
+ if ( cbFilling == 0
+ || ASMMemIsAllU8(&pbBuf[offBuf], cbFilling, bFiller))
+ offBuf += cbFilling;
+ else
+ {
+ /* Some mismatch, locate it/them: */
+ while (cbFilling > 0 && offBuf < cbBuf)
+ {
+ if (pbBuf[offBuf] != bFiller)
+ {
+ RTTestIFailed("%u: Mismatch at buffer/file offset %#zx/%#RX64: %#x, expected %#04x",
+ uLineNo, offBuf, off + offBuf, pbBuf[offBuf], bFiller);
+ if (cMismatches++ > 32)
+ return false;
+ }
+ offBuf++;
+ cbFilling--;
+ }
+ }
+ offBlock = 0;
+ }
+ return cMismatches == 0;
+}
+
+
+/**
+ * Sets up write buffer with offset markers and fillers.
+ */
+void fsPerfFillWriteBuf(uint64_t off, uint8_t *pbBuf, size_t cbBuf, uint8_t bFiller = 0xf6)
+{
+ uint32_t offBlock = (uint32_t)(off & (_1K - 1));
+ while (cbBuf > 0)
+ {
+ /* The marker. */
+ if (offBlock < sizeof(uint64_t))
+ {
+ RTUINT64U uMarker;
+ uMarker.u = off + offBlock;
+ if (cbBuf > sizeof(uMarker) - offBlock)
+ {
+ memcpy(pbBuf, &uMarker.au8[offBlock], sizeof(uMarker) - offBlock);
+ pbBuf += sizeof(uMarker) - offBlock;
+ cbBuf -= sizeof(uMarker) - offBlock;
+ off += sizeof(uMarker) - offBlock;
+ }
+ else
+ {
+ memcpy(pbBuf, &uMarker.au8[offBlock], cbBuf);
+ return;
+ }
+ offBlock = sizeof(uint64_t);
+ }
+
+ /* Do the filling. */
+ size_t cbFilling = RT_MIN(_1K - offBlock, cbBuf);
+ memset(pbBuf, bFiller, cbFilling);
+ pbBuf += cbFilling;
+ cbBuf -= cbFilling;
+ off += cbFilling;
+
+ offBlock = 0;
+ }
+}
+
+
+
+void fsPerfIoSeek(RTFILE hFile1, uint64_t cbFile)
+{
+ /*
+ * Do a bunch of search tests, most which are random.
+ */
+ struct
+ {
+ int rc;
+ uint32_t uMethod;
+ int64_t offSeek;
+ uint64_t offActual;
+
+ } aSeeks[9 + 64] =
+ {
+ { VINF_SUCCESS, RTFILE_SEEK_BEGIN, 0, 0 },
+ { VINF_SUCCESS, RTFILE_SEEK_CURRENT, 0, 0 },
+ { VINF_SUCCESS, RTFILE_SEEK_END, 0, cbFile },
+ { VINF_SUCCESS, RTFILE_SEEK_CURRENT, -4096, cbFile - 4096 },
+ { VINF_SUCCESS, RTFILE_SEEK_CURRENT, 4096 - (int64_t)cbFile, 0 },
+ { VINF_SUCCESS, RTFILE_SEEK_END, -(int64_t)cbFile/2, cbFile / 2 + (cbFile & 1) },
+ { VINF_SUCCESS, RTFILE_SEEK_CURRENT, -(int64_t)cbFile/2, 0 },
+#if defined(RT_OS_WINDOWS)
+ { VERR_NEGATIVE_SEEK, RTFILE_SEEK_CURRENT, -1, 0 },
+#else
+ { VERR_INVALID_PARAMETER, RTFILE_SEEK_CURRENT, -1, 0 },
+#endif
+ { VINF_SUCCESS, RTFILE_SEEK_CURRENT, 0, 0 },
+ };
+
+ uint64_t offActual = 0;
+ for (unsigned i = 9; i < RT_ELEMENTS(aSeeks); i++)
+ {
+ switch (RTRandU32Ex(RTFILE_SEEK_BEGIN, RTFILE_SEEK_END))
+ {
+ default: AssertFailedBreak();
+ case RTFILE_SEEK_BEGIN:
+ aSeeks[i].uMethod = RTFILE_SEEK_BEGIN;
+ aSeeks[i].rc = VINF_SUCCESS;
+ aSeeks[i].offSeek = RTRandU64Ex(0, cbFile + cbFile / 8);
+ aSeeks[i].offActual = offActual = aSeeks[i].offSeek;
+ break;
+
+ case RTFILE_SEEK_CURRENT:
+ aSeeks[i].uMethod = RTFILE_SEEK_CURRENT;
+ aSeeks[i].rc = VINF_SUCCESS;
+ aSeeks[i].offSeek = (int64_t)RTRandU64Ex(0, cbFile + cbFile / 8) - (int64_t)offActual;
+ aSeeks[i].offActual = offActual += aSeeks[i].offSeek;
+ break;
+
+ case RTFILE_SEEK_END:
+ aSeeks[i].uMethod = RTFILE_SEEK_END;
+ aSeeks[i].rc = VINF_SUCCESS;
+ aSeeks[i].offSeek = -(int64_t)RTRandU64Ex(0, cbFile);
+ aSeeks[i].offActual = offActual = cbFile + aSeeks[i].offSeek;
+ break;
+ }
+ }
+
+ for (unsigned iDoReadCheck = 0; iDoReadCheck < 2; iDoReadCheck++)
+ {
+ for (uint32_t i = 0; i < RT_ELEMENTS(aSeeks); i++)
+ {
+ offActual = UINT64_MAX;
+ int rc = RTFileSeek(hFile1, aSeeks[i].offSeek, aSeeks[i].uMethod, &offActual);
+ if (rc != aSeeks[i].rc)
+ RTTestIFailed("Seek #%u: Expected %Rrc, got %Rrc", i, aSeeks[i].rc, rc);
+ if (RT_SUCCESS(rc) && offActual != aSeeks[i].offActual)
+ RTTestIFailed("Seek #%u: offActual %#RX64, expected %#RX64", i, offActual, aSeeks[i].offActual);
+ if (RT_SUCCESS(rc))
+ {
+ uint64_t offTell = RTFileTell(hFile1);
+ if (offTell != offActual)
+ RTTestIFailed("Seek #%u: offActual %#RX64, RTFileTell %#RX64", i, offActual, offTell);
+ }
+
+ if (RT_SUCCESS(rc) && offActual + _2K <= cbFile && iDoReadCheck)
+ {
+ uint8_t abBuf[_2K];
+ RTTESTI_CHECK_RC(rc = RTFileRead(hFile1, abBuf, sizeof(abBuf), NULL), VINF_SUCCESS);
+ if (RT_SUCCESS(rc))
+ {
+ size_t offMarker = (size_t)(RT_ALIGN_64(offActual, _1K) - offActual);
+ uint64_t uMarker = *(uint64_t *)&abBuf[offMarker]; /** @todo potentially unaligned access */
+ if (uMarker != offActual + offMarker)
+ RTTestIFailed("Seek #%u: Invalid marker value (@ %#RX64): %#RX64, expected %#RX64",
+ i, offActual, uMarker, offActual + offMarker);
+
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, -(int64_t)sizeof(abBuf), RTFILE_SEEK_CURRENT, NULL), VINF_SUCCESS);
+ }
+ }
+ }
+ }
+
+
+ /*
+ * Profile seeking relative to the beginning of the file and relative
+ * to the end. The latter might be more expensive in a SF context.
+ */
+ PROFILE_FN(RTFileSeek(hFile1, iIteration < cbFile ? iIteration : iIteration % cbFile, RTFILE_SEEK_BEGIN, NULL),
+ g_nsTestRun, "RTFileSeek/BEGIN");
+ PROFILE_FN(RTFileSeek(hFile1, iIteration < cbFile ? -(int64_t)iIteration : -(int64_t)(iIteration % cbFile), RTFILE_SEEK_END, NULL),
+ g_nsTestRun, "RTFileSeek/END");
+
+}
+
+
+/** For fsPerfIoRead and fsPerfIoWrite. */
+#define PROFILE_IO_FN(a_szOperation, a_fnCall) \
+ do \
+ { \
+ RTTESTI_CHECK_RC_RETV(RTFileSeek(hFile1, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS); \
+ uint64_t offActual = 0; \
+ uint32_t cSeeks = 0; \
+ \
+ /* Estimate how many iterations we need to fill up the given timeslot: */ \
+ fsPerfYield(); \
+ uint64_t nsStart = RTTimeNanoTS(); \
+ uint64_t ns; \
+ do \
+ ns = RTTimeNanoTS(); \
+ while (ns == nsStart); \
+ nsStart = ns; \
+ \
+ uint64_t iIteration = 0; \
+ do \
+ { \
+ RTTESTI_CHECK_RC(a_fnCall, VINF_SUCCESS); \
+ iIteration++; \
+ ns = RTTimeNanoTS() - nsStart; \
+ } while (ns < RT_NS_10MS); \
+ ns /= iIteration; \
+ if (ns > g_nsPerNanoTSCall + 32) \
+ ns -= g_nsPerNanoTSCall; \
+ uint64_t cIterations = g_nsTestRun / ns; \
+ \
+ /* Do the actual profiling: */ \
+ cSeeks = 0; \
+ iIteration = 0; \
+ fsPerfYield(); \
+ nsStart = RTTimeNanoTS(); \
+ for (uint32_t iAdjust = 0; iAdjust < 4; iAdjust++) \
+ { \
+ for (; iIteration < cIterations; iIteration++)\
+ RTTESTI_CHECK_RC(a_fnCall, VINF_SUCCESS); \
+ ns = RTTimeNanoTS() - nsStart;\
+ if (ns >= g_nsTestRun - (g_nsTestRun / 10)) \
+ break; \
+ cIterations += cIterations / 4; \
+ if (cIterations & 1) \
+ cIterations++; \
+ nsStart += g_nsPerNanoTSCall; \
+ } \
+ RTTestIValueF(ns / iIteration, \
+ RTTESTUNIT_NS_PER_OCCURRENCE, a_szOperation "/seq/%RU32 latency", cbBlock); \
+ RTTestIValueF((uint64_t)iIteration * cbBlock / ((double)ns / RT_NS_1SEC), \
+ RTTESTUNIT_BYTES_PER_SEC, a_szOperation "/seq/%RU32 throughput", cbBlock); \
+ RTTestIValueF(iIteration, \
+ RTTESTUNIT_CALLS, a_szOperation "/seq/%RU32 calls", cbBlock); \
+ RTTestIValueF((uint64_t)iIteration * cbBlock, \
+ RTTESTUNIT_BYTES, a_szOperation "/seq/%RU32 bytes", cbBlock); \
+ RTTestIValueF(cSeeks, \
+ RTTESTUNIT_OCCURRENCES, a_szOperation "/seq/%RU32 seeks", cbBlock); \
+ if (g_fShowDuration) \
+ RTTestIValueF(ns, RTTESTUNIT_NS, a_szOperation "/seq/%RU32 duration", cbBlock); \
+ } while (0)
+
+
+/**
+ * One RTFileRead profiling iteration.
+ */
+DECL_FORCE_INLINE(int) fsPerfIoReadWorker(RTFILE hFile1, uint64_t cbFile, uint32_t cbBlock, uint8_t *pbBlock,
+ uint64_t *poffActual, uint32_t *pcSeeks)
+{
+ /* Do we need to seek back to the start? */
+ if (*poffActual + cbBlock <= cbFile)
+ { /* likely */ }
+ else
+ {
+ RTTESTI_CHECK_RC_RET(RTFileSeek(hFile1, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS, rcCheck);
+ *pcSeeks += 1;
+ *poffActual = 0;
+ }
+
+ size_t cbActuallyRead = 0;
+ RTTESTI_CHECK_RC_RET(RTFileRead(hFile1, pbBlock, cbBlock, &cbActuallyRead), VINF_SUCCESS, rcCheck);
+ if (cbActuallyRead == cbBlock)
+ {
+ *poffActual += cbActuallyRead;
+ return VINF_SUCCESS;
+ }
+ RTTestIFailed("RTFileRead at %#RX64 returned just %#x bytes, expected %#x", *poffActual, cbActuallyRead, cbBlock);
+ *poffActual += cbActuallyRead;
+ return VERR_READ_ERROR;
+}
+
+
+void fsPerfIoReadBlockSize(RTFILE hFile1, uint64_t cbFile, uint32_t cbBlock)
+{
+ RTTestISubF("IO - Sequential read %RU32", cbBlock);
+
+ uint8_t *pbBuf = (uint8_t *)RTMemPageAlloc(cbBlock);
+ if (pbBuf)
+ {
+ memset(pbBuf, 0xf7, cbBlock);
+ PROFILE_IO_FN("RTFileRead", fsPerfIoReadWorker(hFile1, cbFile, cbBlock, pbBuf, &offActual, &cSeeks));
+ RTMemPageFree(pbBuf, cbBlock);
+ }
+ else
+ RTTestSkipped(g_hTest, "insufficient (virtual) memory available");
+}
+
+
+void fsPerfRead(RTFILE hFile1, RTFILE hFileNoCache, uint64_t cbFile)
+{
+ RTTestISubF("IO - RTFileRead");
+
+ /*
+ * Allocate a big buffer we can play around with. Min size is 1MB.
+ */
+ size_t cbBuf = cbFile < _64M ? (size_t)cbFile : _64M;
+ uint8_t *pbBuf = (uint8_t *)RTMemPageAlloc(cbBuf);
+ while (!pbBuf)
+ {
+ cbBuf /= 2;
+ RTTESTI_CHECK_RETV(cbBuf >= _1M);
+ pbBuf = (uint8_t *)RTMemPageAlloc(_32M);
+ }
+
+#if 1
+ /*
+ * Start at the beginning and read the full buffer in random small chunks, thereby
+ * checking that unaligned buffer addresses, size and file offsets work fine.
+ */
+ struct
+ {
+ uint64_t offFile;
+ uint32_t cbMax;
+ } aRuns[] = { { 0, 127 }, { cbFile - cbBuf, UINT32_MAX }, { 0, UINT32_MAX -1 }};
+ for (uint32_t i = 0; i < RT_ELEMENTS(aRuns); i++)
+ {
+ memset(pbBuf, 0x55, cbBuf);
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, aRuns[i].offFile, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+ for (size_t offBuf = 0; offBuf < cbBuf; )
+ {
+ uint32_t const cbLeft = (uint32_t)(cbBuf - offBuf);
+ uint32_t const cbToRead = aRuns[i].cbMax < UINT32_MAX / 2 ? RTRandU32Ex(1, RT_MIN(aRuns[i].cbMax, cbLeft))
+ : aRuns[i].cbMax == UINT32_MAX ? RTRandU32Ex(RT_MAX(cbLeft / 4, 1), cbLeft)
+ : RTRandU32Ex(cbLeft >= _8K ? _8K : 1, RT_MIN(_1M, cbLeft));
+ size_t cbActual = 0;
+ RTTESTI_CHECK_RC(RTFileRead(hFile1, &pbBuf[offBuf], cbToRead, &cbActual), VINF_SUCCESS);
+ if (cbActual == cbToRead)
+ offBuf += cbActual;
+ else
+ {
+ RTTestIFailed("Attempting to read %#x bytes at %#zx, only got %#x bytes back! (cbLeft=%#x cbBuf=%#zx)\n",
+ cbToRead, offBuf, cbActual, cbLeft, cbBuf);
+ if (cbActual)
+ offBuf += cbActual;
+ else
+ pbBuf[offBuf++] = 0x11;
+ }
+ }
+ fsPerfCheckReadBuf(__LINE__, aRuns[i].offFile, pbBuf, cbBuf);
+ }
+#endif
+
+ /*
+ * Test reading beyond the end of the file.
+ */
+ size_t const acbMax[] = { cbBuf, _64K, _16K, _4K, 256 };
+ uint32_t const aoffFromEos[] =
+ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 32, 63, 64, 127, 128, 255, 254, 256, 1023, 1024, 2048,
+ 4092, 4093, 4094, 4095, 4096, 4097, 4098, 4099, 4100, 8192, 16384, 32767, 32768, 32769, 65535, 65536, _1M - 1
+ };
+ for (unsigned iMax = 0; iMax < RT_ELEMENTS(acbMax); iMax++)
+ {
+ size_t const cbMaxRead = acbMax[iMax];
+ for (uint32_t iOffFromEos = 0; iOffFromEos < RT_ELEMENTS(aoffFromEos); iOffFromEos++)
+ {
+ uint32_t off = aoffFromEos[iOffFromEos];
+ if (off >= cbMaxRead)
+ continue;
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, cbFile - off, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+ size_t cbActual = ~(size_t)0;
+ RTTESTI_CHECK_RC(RTFileRead(hFile1, pbBuf, cbMaxRead, &cbActual), VINF_SUCCESS);
+ RTTESTI_CHECK(cbActual == off);
+
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, cbFile - off, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+ cbActual = ~(size_t)0;
+ RTTESTI_CHECK_RC(RTFileRead(hFile1, pbBuf, off, &cbActual), VINF_SUCCESS);
+ RTTESTI_CHECK_MSG(cbActual == off, ("%#zx vs %#zx", cbActual, off));
+
+ cbActual = ~(size_t)0;
+ RTTESTI_CHECK_RC(RTFileRead(hFile1, pbBuf, 1, &cbActual), VINF_SUCCESS);
+ RTTESTI_CHECK(cbActual == 0);
+
+ RTTESTI_CHECK_RC(RTFileRead(hFile1, pbBuf, cbMaxRead, NULL), VERR_EOF);
+ }
+ }
+
+ /*
+ * Test reading beyond end of the file.
+ */
+ for (unsigned iMax = 0; iMax < RT_ELEMENTS(acbMax); iMax++)
+ {
+ size_t const cbMaxRead = acbMax[iMax];
+ for (uint32_t off = 0; off < 256; off++)
+ {
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, cbFile + off, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+ size_t cbActual = ~(size_t)0;
+ RTTESTI_CHECK_RC(RTFileRead(hFile1, pbBuf, cbMaxRead, &cbActual), VINF_SUCCESS);
+ RTTESTI_CHECK(cbActual == 0);
+
+ RTTESTI_CHECK_RC(RTFileRead(hFile1, pbBuf, cbMaxRead, NULL), VERR_EOF);
+ }
+ }
+
+ /*
+ * Do uncached access, must be page aligned.
+ */
+ uint32_t cbPage = PAGE_SIZE;
+ memset(pbBuf, 0x66, cbBuf);
+ RTTESTI_CHECK_RC(RTFileSeek(hFileNoCache, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+ for (size_t offBuf = 0; offBuf < cbBuf; )
+ {
+ uint32_t const cPagesLeft = (uint32_t)((cbBuf - offBuf) / cbPage);
+ uint32_t const cPagesToRead = RTRandU32Ex(1, cPagesLeft);
+ size_t const cbToRead = cPagesToRead * (size_t)cbPage;
+ size_t cbActual = 0;
+ RTTESTI_CHECK_RC(RTFileRead(hFileNoCache, &pbBuf[offBuf], cbToRead, &cbActual), VINF_SUCCESS);
+ if (cbActual == cbToRead)
+ offBuf += cbActual;
+ else
+ {
+ RTTestIFailed("Attempting to read %#zx bytes at %#zx, only got %#x bytes back!\n", cbToRead, offBuf, cbActual);
+ if (cbActual)
+ offBuf += cbActual;
+ else
+ {
+ memset(&pbBuf[offBuf], 0x11, cbPage);
+ offBuf += cbPage;
+ }
+ }
+ }
+ fsPerfCheckReadBuf(__LINE__, 0, pbBuf, cbBuf);
+
+ /*
+ * Check reading zero bytes at the end of the file.
+ * Requires native call because RTFileWrite doesn't call kernel on zero byte reads.
+ */
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, 0, RTFILE_SEEK_END, NULL), VINF_SUCCESS);
+#ifdef RT_OS_WINDOWS
+ IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
+ NTSTATUS rcNt = NtReadFile((HANDLE)RTFileToNative(hFile1), NULL, NULL, NULL, &Ios, pbBuf, 0, NULL, NULL);
+ RTTESTI_CHECK_MSG(rcNt == STATUS_SUCCESS, ("rcNt=%#x", rcNt));
+ RTTESTI_CHECK(Ios.Status == STATUS_SUCCESS);
+ RTTESTI_CHECK(Ios.Information == 0);
+
+ RTNT_IO_STATUS_BLOCK_REINIT(&Ios);
+ rcNt = NtReadFile((HANDLE)RTFileToNative(hFile1), NULL, NULL, NULL, &Ios, pbBuf, 1, NULL, NULL);
+ RTTESTI_CHECK_MSG(rcNt == STATUS_END_OF_FILE, ("rcNt=%#x", rcNt));
+ RTTESTI_CHECK(Ios.Status == STATUS_END_OF_FILE);
+ RTTESTI_CHECK(Ios.Information == 0);
+#else
+ ssize_t cbRead = read((int)RTFileToNative(hFile1), pbBuf, 0);
+ RTTESTI_CHECK(cbRead == 0);
+#endif
+
+ /*
+ * Other OS specific stuff.
+ */
+#ifdef RT_OS_WINDOWS
+ /* Check that reading at an offset modifies the position: */
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, 0, RTFILE_SEEK_END, NULL), VINF_SUCCESS);
+ RTTESTI_CHECK(RTFileTell(hFile1) == cbFile);
+
+ RTNT_IO_STATUS_BLOCK_REINIT(&Ios);
+ LARGE_INTEGER offNt;
+ offNt.QuadPart = cbFile / 2;
+ rcNt = NtReadFile((HANDLE)RTFileToNative(hFile1), NULL, NULL, NULL, &Ios, pbBuf, _4K, &offNt, NULL);
+ RTTESTI_CHECK_MSG(rcNt == STATUS_SUCCESS, ("rcNt=%#x", rcNt));
+ RTTESTI_CHECK(Ios.Status == STATUS_SUCCESS);
+ RTTESTI_CHECK(Ios.Information == _4K);
+ RTTESTI_CHECK(RTFileTell(hFile1) == cbFile / 2 + _4K);
+ fsPerfCheckReadBuf(__LINE__, cbFile / 2, pbBuf, _4K);
+#endif
+
+ RTMemPageFree(pbBuf, cbBuf);
+}
+
+
+/**
+ * One RTFileWrite profiling iteration.
+ */
+DECL_FORCE_INLINE(int) fsPerfIoWriteWorker(RTFILE hFile1, uint64_t cbFile, uint32_t cbBlock, uint8_t *pbBlock,
+ uint64_t *poffActual, uint32_t *pcSeeks)
+{
+ /* Do we need to seek back to the start? */
+ if (*poffActual + cbBlock <= cbFile)
+ { /* likely */ }
+ else
+ {
+ RTTESTI_CHECK_RC_RET(RTFileSeek(hFile1, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS, rcCheck);
+ *pcSeeks += 1;
+ *poffActual = 0;
+ }
+
+ size_t cbActuallyWritten = 0;
+ RTTESTI_CHECK_RC_RET(RTFileWrite(hFile1, pbBlock, cbBlock, &cbActuallyWritten), VINF_SUCCESS, rcCheck);
+ if (cbActuallyWritten == cbBlock)
+ {
+ *poffActual += cbActuallyWritten;
+ return VINF_SUCCESS;
+ }
+ RTTestIFailed("RTFileWrite at %#RX64 returned just %#x bytes, expected %#x", *poffActual, cbActuallyWritten, cbBlock);
+ *poffActual += cbActuallyWritten;
+ return VERR_WRITE_ERROR;
+}
+
+
+void fsPerfIoWriteBlockSize(RTFILE hFile1, uint64_t cbFile, uint32_t cbBlock)
+{
+ RTTestISubF("IO - Sequential write %RU32", cbBlock);
+
+ uint8_t *pbBuf = (uint8_t *)RTMemPageAlloc(cbBlock);
+ if (pbBuf)
+ {
+ memset(pbBuf, 0xf7, cbBlock);
+ PROFILE_IO_FN("RTFileWrite", fsPerfIoWriteWorker(hFile1, cbFile, cbBlock, pbBuf, &offActual, &cSeeks));
+ RTMemPageFree(pbBuf, cbBlock);
+ }
+ else
+ RTTestSkipped(g_hTest, "insufficient (virtual) memory available");
+}
+
+
+void fsPerfWrite(RTFILE hFile1, RTFILE hFileNoCache, RTFILE hFileWriteThru, uint64_t cbFile)
+{
+ RTTestISubF("IO - RTFileWrite");
+
+ /*
+ * Allocate a big buffer we can play around with. Min size is 1MB.
+ */
+ size_t cbBuf = cbFile < _64M ? (size_t)cbFile : _64M;
+ uint8_t *pbBuf = (uint8_t *)RTMemPageAlloc(cbBuf);
+ while (!pbBuf)
+ {
+ cbBuf /= 2;
+ RTTESTI_CHECK_RETV(cbBuf >= _1M);
+ pbBuf = (uint8_t *)RTMemPageAlloc(_32M);
+ }
+
+ /*
+ * Start at the beginning and write out the full buffer in random small chunks, thereby
+ * checking that unaligned buffer addresses, size and file offsets work fine.
+ */
+ struct
+ {
+ uint64_t offFile;
+ uint32_t cbMax;
+ } aRuns[] = { { 0, 127 }, { cbFile - cbBuf, UINT32_MAX }, { 0, UINT32_MAX -1 }};
+ uint8_t bFiller = 0x88;
+ for (uint32_t i = 0; i < RT_ELEMENTS(aRuns); i++, bFiller)
+ {
+ fsPerfFillWriteBuf(aRuns[i].offFile, pbBuf, cbBuf, bFiller);
+ fsPerfCheckReadBuf(__LINE__, aRuns[i].offFile, pbBuf, cbBuf, bFiller);
+
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, aRuns[i].offFile, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+ for (size_t offBuf = 0; offBuf < cbBuf; )
+ {
+ uint32_t const cbLeft = (uint32_t)(cbBuf - offBuf);
+ uint32_t const cbToWrite = aRuns[i].cbMax < UINT32_MAX / 2 ? RTRandU32Ex(1, aRuns[i].cbMax)
+ : aRuns[i].cbMax == UINT32_MAX ? RTRandU32Ex(RT_MAX(cbLeft / 4, 1), cbLeft)
+ : RTRandU32Ex(cbLeft >= _8K ? _8K : 1, RT_MIN(_1M, cbLeft));
+ size_t cbActual = 0;
+ RTTESTI_CHECK_RC(RTFileWrite(hFile1, &pbBuf[offBuf], cbToWrite, &cbActual), VINF_SUCCESS);
+ if (cbActual == cbToWrite)
+ offBuf += cbActual;
+ else
+ {
+ RTTestIFailed("Attempting to write %#x bytes at %#zx, only got %#x written!\n", cbToWrite, offBuf, cbActual);
+ if (cbActual)
+ offBuf += cbActual;
+ else
+ pbBuf[offBuf++] = 0x11;
+ }
+ }
+
+ RTTESTI_CHECK_RC(RTFileReadAt(hFile1, aRuns[i].offFile, pbBuf, cbBuf, NULL), VINF_SUCCESS);
+ fsPerfCheckReadBuf(__LINE__, aRuns[i].offFile, pbBuf, cbBuf, bFiller);
+ }
+
+
+ /*
+ * Do uncached and write-thru accesses, must be page aligned.
+ */
+ RTFILE ahFiles[2] = { hFileWriteThru, hFileNoCache };
+ for (unsigned iFile = 0; iFile < RT_ELEMENTS(ahFiles); iFile++, bFiller++)
+ {
+ fsPerfFillWriteBuf(0, pbBuf, cbBuf, bFiller);
+ fsPerfCheckReadBuf(__LINE__, 0, pbBuf, cbBuf, bFiller);
+ RTTESTI_CHECK_RC(RTFileSeek(ahFiles[iFile], 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+
+ uint32_t cbPage = PAGE_SIZE;
+ for (size_t offBuf = 0; offBuf < cbBuf; )
+ {
+ uint32_t const cPagesLeft = (uint32_t)((cbBuf - offBuf) / cbPage);
+ uint32_t const cPagesToWrite = RTRandU32Ex(1, cPagesLeft);
+ size_t const cbToWrite = cPagesToWrite * (size_t)cbPage;
+ size_t cbActual = 0;
+ RTTESTI_CHECK_RC(RTFileWrite(ahFiles[iFile], &pbBuf[offBuf], cbToWrite, &cbActual), VINF_SUCCESS);
+ if (cbActual == cbToWrite)
+ {
+ RTTESTI_CHECK_RC(RTFileReadAt(hFile1, offBuf, pbBuf, cbToWrite, NULL), VINF_SUCCESS);
+ fsPerfCheckReadBuf(__LINE__, offBuf, pbBuf, cbToWrite, bFiller);
+ offBuf += cbActual;
+ }
+ else
+ {
+ RTTestIFailed("Attempting to read %#zx bytes at %#zx, only got %#x written!\n", cbToWrite, offBuf, cbActual);
+ if (cbActual)
+ offBuf += cbActual;
+ else
+ {
+ memset(&pbBuf[offBuf], 0x11, cbPage);
+ offBuf += cbPage;
+ }
+ }
+ }
+
+ RTTESTI_CHECK_RC(RTFileReadAt(ahFiles[iFile], 0, pbBuf, cbBuf, NULL), VINF_SUCCESS);
+ fsPerfCheckReadBuf(__LINE__, 0, pbBuf, cbBuf, bFiller);
+ }
+
+ /*
+ * Check the behavior of writing zero bytes to the file _4K from the end
+ * using native API. In the olden days zero sized write have been known
+ * to be used to truncate a file.
+ */
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, -_4K, RTFILE_SEEK_END, NULL), VINF_SUCCESS);
+#ifdef RT_OS_WINDOWS
+ IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
+ NTSTATUS rcNt = NtWriteFile((HANDLE)RTFileToNative(hFile1), NULL, NULL, NULL, &Ios, pbBuf, 0, NULL, NULL);
+ RTTESTI_CHECK_MSG(rcNt == STATUS_SUCCESS, ("rcNt=%#x", rcNt));
+ RTTESTI_CHECK(Ios.Status == STATUS_SUCCESS);
+ RTTESTI_CHECK(Ios.Information == 0);
+#else
+ ssize_t cbWritten = write((int)RTFileToNative(hFile1), pbBuf, 0);
+ RTTESTI_CHECK(cbWritten == 0);
+#endif
+ RTTESTI_CHECK_RC(RTFileRead(hFile1, pbBuf, _4K, NULL), VINF_SUCCESS);
+ fsPerfCheckReadBuf(__LINE__, cbFile - _4K, pbBuf, _4K, pbBuf[0x8]);
+
+ /*
+ * Other OS specific stuff.
+ */
+#ifdef RT_OS_WINDOWS
+ /* Check that reading at an offset modifies the position: */
+ RTTESTI_CHECK_RC(RTFileReadAt(hFile1, cbFile / 2, pbBuf, _4K, NULL), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, 0, RTFILE_SEEK_END, NULL), VINF_SUCCESS);
+ RTTESTI_CHECK(RTFileTell(hFile1) == cbFile);
+
+ RTNT_IO_STATUS_BLOCK_REINIT(&Ios);
+ LARGE_INTEGER offNt;
+ offNt.QuadPart = cbFile / 2;
+ rcNt = NtWriteFile((HANDLE)RTFileToNative(hFile1), NULL, NULL, NULL, &Ios, pbBuf, _4K, &offNt, NULL);
+ RTTESTI_CHECK_MSG(rcNt == STATUS_SUCCESS, ("rcNt=%#x", rcNt));
+ RTTESTI_CHECK(Ios.Status == STATUS_SUCCESS);
+ RTTESTI_CHECK(Ios.Information == _4K);
+ RTTESTI_CHECK(RTFileTell(hFile1) == cbFile / 2 + _4K);
+#endif
+
+ RT_NOREF(hFileNoCache, hFileWriteThru);
+ RTMemPageFree(pbBuf, cbBuf);
+}
+
+
+/**
+ * Worker for testing RTFileFlush.
+ */
+DECL_FORCE_INLINE(int) fsPerfFSyncWorker(RTFILE hFile1, uint64_t cbFile, uint8_t *pbBuf, size_t cbBuf, uint64_t *poffFile)
+{
+ if (*poffFile + cbBuf <= cbFile)
+ { /* likely */ }
+ else
+ {
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+ *poffFile = 0;
+ }
+
+ RTTESTI_CHECK_RC_RET(RTFileWrite(hFile1, pbBuf, cbBuf, NULL), VINF_SUCCESS, rcCheck);
+ RTTESTI_CHECK_RC_RET(RTFileFlush(hFile1), VINF_SUCCESS, rcCheck);
+
+ *poffFile += cbBuf;
+ return VINF_SUCCESS;
+}
+
+
+void fsPerfFSync(RTFILE hFile1, uint64_t cbFile)
+{
+ RTTestISub("fsync");
+
+ RTTESTI_CHECK_RC(RTFileFlush(hFile1), VINF_SUCCESS);
+
+ PROFILE_FN(RTFileFlush(hFile1), g_nsTestRun, "RTFileFlush");
+
+ size_t cbBuf = PAGE_SIZE;
+ uint8_t *pbBuf = (uint8_t *)RTMemPageAlloc(cbBuf);
+ RTTESTI_CHECK_RETV(pbBuf != NULL);
+ memset(pbBuf, 0xf4, cbBuf);
+
+ RTTESTI_CHECK_RC(RTFileSeek(hFile1, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+ uint64_t offFile = 0;
+ PROFILE_FN(fsPerfFSyncWorker(hFile1, cbFile, pbBuf, cbBuf, &offFile), g_nsTestRun, "RTFileWrite[Page]/RTFileFlush");
+
+ RTMemPageFree(pbBuf, cbBuf);
+}
+
+
+void fsPerfMMap(RTFILE hFile1, RTFILE hFileNoCache, uint64_t cbFile)
+{
+ RTTestISub("mmap");
+#if defined(RT_OS_WINDOWS) || defined(RT_OS_LINUX)
+ static const char * const s_apszStates[] = { "readonly", "writecopy", "readwrite" };
+ enum { kMMap_ReadOnly = 0, kMMap_WriteCopy, kMMap_ReadWrite, kMMap_End };
+ for (int enmState = kMMap_ReadOnly; enmState < kMMap_End; enmState++)
+ {
+ /*
+ * Do the mapping.
+ */
+ size_t cbMapping = (size_t)cbFile;
+ if (cbMapping != cbFile)
+ cbMapping = _256M;
+ uint8_t *pbMapping;
+
+# ifdef RT_OS_WINDOWS
+ HANDLE hSection;
+ for (;; cbMapping /= 2)
+ {
+ hSection = CreateFileMapping((HANDLE)RTFileToNative(hFile1), NULL,
+ enmState == kMMap_ReadOnly ? PAGE_READONLY
+ : enmState == kMMap_WriteCopy ? PAGE_WRITECOPY : PAGE_READWRITE,
+ (uint32_t)((uint64_t)cbMapping >> 32), (uint32_t)cbMapping, NULL);
+ DWORD dwErr1 = GetLastError();
+ DWORD dwErr2 = 0;
+ if (hSection != NULL)
+ {
+ pbMapping = (uint8_t *)MapViewOfFile(hSection,
+ enmState == kMMap_ReadOnly ? FILE_MAP_READ
+ : enmState == kMMap_WriteCopy ? FILE_MAP_COPY
+ : FILE_MAP_WRITE,
+ 0, 0, cbMapping);
+ if (pbMapping)
+ break;
+ dwErr2 = GetLastError();
+ CloseHandle(hSection);
+ }
+ if (cbMapping <= _2M)
+ {
+ RTTestIFailed("%u: CreateFileMapping or MapViewOfFile failed: %u, %u", enmState, dwErr1, dwErr2);
+ return;
+ }
+ }
+# else
+ for (;; cbMapping /= 2)
+ {
+ pbMapping = (uint8_t *)mmap(NULL, cbMapping,
+ enmState == kMMap_ReadOnly ? PROT_READ : PROT_READ | PROT_WRITE,
+ enmState == kMMap_WriteCopy ? MAP_PRIVATE : MAP_SHARED,
+ (int)RTFileToNative(hFile1), 0);
+ if ((void *)pbMapping != MAP_FAILED)
+ break;
+ RTTESTI_CHECK_MSG_RETV(cbMapping > _2M, ("errno=%d", errno));
+ }
+# endif
+
+ /*
+ * Time page-ins just for fun.
+ */
+ size_t const cPages = cbMapping >> PAGE_SHIFT;
+ size_t uDummy = 0;
+ uint64_t ns = RTTimeNanoTS();
+ for (size_t iPage = 0; iPage < cPages; iPage++)
+ uDummy += ASMAtomicReadU8(&pbMapping[iPage << PAGE_SHIFT]);
+ ns = RTTimeNanoTS() - ns;
+ RTTestIValueF(ns / cPages, RTTESTUNIT_NS_PER_OCCURRENCE, "page-in %s", s_apszStates[enmState]);
+
+ /* Check the content. */
+ fsPerfCheckReadBuf(__LINE__, 0, pbMapping, cbMapping);
+
+ if (enmState != kMMap_ReadOnly)
+ {
+ /* Write stuff to the first two megabytes. In the COW case, we'll detect
+ corruption of shared data during content checking of the RW iterations. */
+ fsPerfFillWriteBuf(0, pbMapping, _2M, 0xf7);
+ if (enmState == kMMap_ReadWrite)
+ {
+ /* For RW we can try read back from the file handle and check if we get
+ a match there first. */
+ uint8_t abBuf[_4K];
+ for (uint32_t off = 0; off < _2M; off += sizeof(abBuf))
+ {
+ RTTESTI_CHECK_RC(RTFileReadAt(hFile1, off, abBuf, sizeof(abBuf), NULL), VINF_SUCCESS);
+ fsPerfCheckReadBuf(__LINE__, off, abBuf, sizeof(abBuf), 0xf7);
+ }
+# ifdef RT_OS_WINDOWS
+ RTTESTI_CHECK(FlushViewOfFile(pbMapping, _2M));
+# else
+ RTTESTI_CHECK(msync(pbMapping, _2M, MS_SYNC) == 0);
+# endif
+
+ /*
+ * Time modifying and flushing a few different number of pages.
+ */
+ static size_t const s_acbFlush[] = { PAGE_SIZE, PAGE_SIZE * 2, PAGE_SIZE * 3, PAGE_SIZE * 8, PAGE_SIZE * 16, _2M };
+ for (unsigned iFlushSize = 0 ; iFlushSize < RT_ELEMENTS(s_acbFlush); iFlushSize++)
+ {
+ size_t const cbFlush = s_acbFlush[iFlushSize];
+ if (cbFlush > cbMapping)
+ continue;
+
+# if defined(RT_OS_LINUX)
+ size_t const cFlushes = RT_MIN(cbMapping / cbFlush, 2048);
+# else
+ size_t const cFlushes = cbMapping / cbFlush;
+# endif
+ uint8_t *pbCur = pbMapping;
+ ns = RTTimeNanoTS();
+ for (size_t iFlush = 0; iFlush < cFlushes; iFlush++, pbCur += cbFlush)
+ {
+ for (size_t offFlush = 0; offFlush < cbFlush; offFlush += PAGE_SIZE)
+ *(size_t volatile *)&pbCur[offFlush + 8] = cbFlush;
+# ifdef RT_OS_WINDOWS
+ RTTESTI_CHECK(FlushViewOfFile(pbCur, cbFlush));
+# else
+ RTTESTI_CHECK(msync(pbCur, cbFlush, MS_SYNC) == 0);
+# endif
+ }
+ ns = RTTimeNanoTS() - ns;
+ RTTestIValueF(ns / cFlushes, RTTESTUNIT_NS_PER_OCCURRENCE, "touch/flush/%zu", cbFlush);
+
+ /*
+ * Check that all the changes made it thru to the file:
+ */
+ size_t cbBuf = _2M;
+ uint8_t *pbBuf = (uint8_t *)RTMemPageAlloc(_2M);
+ if (!pbBuf)
+ {
+ cbBuf = _4K;
+ pbBuf = (uint8_t *)RTMemPageAlloc(_2M);
+ }
+ if (pbBuf)
+ {
+ RTTESTI_CHECK_RC(RTFileSeek(hFileNoCache, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+ size_t const cbToCheck = cFlushes * cbFlush;
+ unsigned cErrors = 0;
+ for (size_t offBuf = 0; cErrors < 32 && offBuf < cbToCheck; offBuf += cbBuf)
+ {
+ size_t cbToRead = RT_MIN(cbBuf, cbToCheck - offBuf);
+ RTTESTI_CHECK_RC(RTFileRead(hFileNoCache, pbBuf, cbToRead, NULL), VINF_SUCCESS);
+
+ for (size_t offFlush = 0; offFlush < cbToRead; offFlush += PAGE_SIZE)
+ if (*(size_t volatile *)&pbBuf[offFlush + 8] != cbFlush)
+ {
+ RTTestIFailed("Flush issue at offset #%zx: %#zx, expected %#zx (cbFlush=%#zx)",
+ offBuf, *(size_t volatile *)&pbBuf[offFlush + 8], cbFlush, cbFlush);
+ if (++cErrors > 32)
+ break;
+ }
+ }
+ RTMemPageFree(pbBuf, cbBuf);
+ }
+ }
+ }
+ }
+
+ /*
+ * Unmap it.
+ */
+# ifdef RT_OS_WINDOWS
+ RTTESTI_CHECK(UnmapViewOfFile(pbMapping));
+ RTTESTI_CHECK(CloseHandle(hSection));
+# else
+ RTTESTI_CHECK(munmap(pbMapping, cbMapping) == 0);
+# endif
+ }
+
+ RT_NOREF(hFileNoCache);
+#else
+ RTTestSkipped(g_hTest, "not supported/implemented");
+ RT_NOREF(hFile1, hFileNoCache, cbFile);
+#endif
+}
+
+
+/**
+ * This does the read, write and seek tests.
+ */
+void fsPerfIo(void)
+{
+ RTTestISub("I/O");
+
+ /*
+ * Determin the size of the test file.
+ */
+ g_szDir[g_cchDir] = '\0';
+ RTFOFF cbFree = 0;
+ RTTESTI_CHECK_RC_RETV(RTFsQuerySizes(g_szDir, NULL, &cbFree, NULL, NULL), VINF_SUCCESS);
+ uint64_t cbFile = g_cbIoFile;
+ if (cbFile + _16M < (uint64_t)cbFree)
+ cbFile = RT_ALIGN_64(cbFile, _64K);
+ else
+ {
+ if (cbFree < _32M)
+ {
+ RTTestSkipped(g_hTest, "Insufficent free space: %'RU64 bytes, requires >= 32MB", cbFree);
+ return;
+ }
+ cbFile = cbFree - (cbFree > _128M ? _64M : _16M);
+ cbFile = RT_ALIGN_64(cbFile, _64K);
+ RTTestIPrintf(RTTESTLVL_ALWAYS, "Adjusted file size to %'RU64 bytes, due to %'RU64 bytes free.\n", cbFile, cbFree);
+ }
+ if (cbFile < _64K)
+ {
+ RTTestSkipped(g_hTest, "Specified test file size too small: %'RU64 bytes, requires >= 64KB", cbFile);
+ return;
+ }
+
+ /*
+ * Create a cbFile sized test file.
+ */
+ RTFILE hFile1;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFile1, InDir(RT_STR_TUPLE("file21")),
+ RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_READWRITE), VINF_SUCCESS);
+ RTFILE hFileNoCache;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFileNoCache, g_szDir,
+ RTFILE_O_OPEN | RTFILE_O_DENY_NONE | RTFILE_O_READWRITE | RTFILE_O_NO_CACHE),
+ VINF_SUCCESS);
+ RTFILE hFileWriteThru;
+ RTTESTI_CHECK_RC_RETV(RTFileOpen(&hFileWriteThru, g_szDir,
+ RTFILE_O_OPEN | RTFILE_O_DENY_NONE | RTFILE_O_READWRITE | RTFILE_O_WRITE_THROUGH),
+ VINF_SUCCESS);
+
+ uint8_t *pbFree = NULL;
+ int rc = fsPerfIoPrepFile(hFile1, cbFile, &pbFree);
+ RTMemFree(pbFree);
+ if (RT_SUCCESS(rc))
+ {
+ /*
+ * Do the testing & profiling.
+ */
+ if (g_fSeek)
+ fsPerfIoSeek(hFile1, cbFile);
+ if (g_fRead)
+ {
+ fsPerfRead(hFile1, hFileNoCache, cbFile);
+ for (unsigned i = 0; i < g_cIoBlocks; i++)
+ fsPerfIoReadBlockSize(hFile1, cbFile, g_acbIoBlocks[i]);
+ }
+ if (g_fMMap)
+ fsPerfMMap(hFile1, hFileNoCache, cbFile);
+ if (g_fWrite)
+ {
+ /* This is destructive to the file content. */
+ fsPerfWrite(hFile1, hFileNoCache, hFileWriteThru, cbFile);
+ for (unsigned i = 0; i < g_cIoBlocks; i++)
+ fsPerfIoWriteBlockSize(hFile1, cbFile, g_acbIoBlocks[i]);
+ }
+ if (g_fFSync)
+ fsPerfFSync(hFile1, cbFile);
+ }
+
+ RTTESTI_CHECK_RC(RTFileSetSize(hFile1, 0), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFile1), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFileNoCache), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileClose(hFileWriteThru), VINF_SUCCESS);
+ RTTESTI_CHECK_RC(RTFileDelete(g_szDir), VINF_SUCCESS);
+}
+
+
+static void Usage(PRTSTREAM pStrm)
+{
+ char szExec[RTPATH_MAX];
+ RTStrmPrintf(pStrm, "usage: %s <-d <testdir>> [options]\n",
+ RTPathFilename(RTProcGetExecutablePath(szExec, sizeof(szExec))));
+ RTStrmPrintf(pStrm, "\n");
+ RTStrmPrintf(pStrm, "options: \n");
+
+ for (unsigned i = 0; i < RT_ELEMENTS(g_aCmdOptions); i++)
+ {
+ char szHelp[80];
+ const char *pszHelp;
+ switch (g_aCmdOptions[i].iShort)
+ {
+ case 'd': pszHelp = "The directory to use for testing. Default: CWD/fstestdir"; break;
+ case 'e': pszHelp = "Enables all tests. Default: -e"; break;
+ case 'z': pszHelp = "Disables all tests. Default: -e"; break;
+ case 's': pszHelp = "Set benchmark duration in seconds. Default: 10 sec"; break;
+ case 'm': pszHelp = "Set benchmark duration in milliseconds. Default: 10000 ms"; break;
+ case 'v': pszHelp = "More verbose execution."; break;
+ case 'q': pszHelp = "Quiet execution."; break;
+ case 'h': pszHelp = "Displays this help and exit"; break;
+ case 'V': pszHelp = "Displays the program revision"; break;
+ default:
+ if (g_aCmdOptions[i].iShort >= kCmdOpt_First)
+ {
+ if (RTStrStartsWith(g_aCmdOptions[i].pszLong, "--no-"))
+ RTStrPrintf(szHelp, sizeof(szHelp), "Disables the '%s' test.", g_aCmdOptions[i].pszLong + 5);
+ else
+ RTStrPrintf(szHelp, sizeof(szHelp), "Enables the '%s' test.", g_aCmdOptions[i].pszLong + 2);
+ pszHelp = szHelp;
+ }
+ else
+ pszHelp = "Option undocumented";
+ break;
+ }
+ if ((unsigned)g_aCmdOptions[i].iShort < 127U)
+ {
+ char szOpt[64];
+ RTStrPrintf(szOpt, sizeof(szOpt), "%s, -%c", g_aCmdOptions[i].pszLong, g_aCmdOptions[i].iShort);
+ RTStrmPrintf(pStrm, " %-20s%s\n", szOpt, pszHelp);
+ }
+ else
+ RTStrmPrintf(pStrm, " %-20s%s\n", g_aCmdOptions[i].pszLong, pszHelp);
+ }
+}
+
+
+int main(int argc, char *argv[])
+{
+ /*
+ * Init IPRT and globals.
+ */
+ int rc = RTTestInitAndCreate("FsPerf", &g_hTest);
+ if (rc)
+ return rc;
+ RTListInit(&g_ManyTreeHead);
+
+ /*
+ * Default values.
+ */
+ rc = RTPathGetCurrent(g_szDir, sizeof(g_szDir) / 2);
+ if (RT_SUCCESS(rc))
+ rc = RTPathAppend(g_szDir, sizeof(g_szDir) / 2, "fstestdir-");
+ if (RT_SUCCESS(rc))
+ {
+ g_cchDir = strlen(g_szDir);
+ g_cchDir += RTStrPrintf(&g_szDir[g_cchDir], sizeof(g_szDir) - g_cchDir, "%u" RTPATH_SLASH_STR, RTProcSelf());
+ }
+ else
+ {
+ RTTestFailed(g_hTest, "RTPathGetCurrent (or RTPathAppend) failed: %Rrc\n", rc);
+ return RTTestSummaryAndDestroy(g_hTest);
+ }
+
+ RTGETOPTUNION ValueUnion;
+ RTGETOPTSTATE GetState;
+ RTGetOptInit(&GetState, argc, argv, g_aCmdOptions, RT_ELEMENTS(g_aCmdOptions), 1, 0 /* fFlags */);
+ while ((rc = RTGetOpt(&GetState, &ValueUnion)) != 0)
+ {
+ switch (rc)
+ {
+ case 'd':
+ rc = RTPathAbs(ValueUnion.psz, g_szDir, sizeof(g_szDir) / 2);
+ if (RT_SUCCESS(rc))
+ break;
+ RTTestFailed(g_hTest, "RTPathAbs(%s) failed: %Rrc\n", ValueUnion.psz, rc);
+ return RTTestSummaryAndDestroy(g_hTest);
+
+ case 's':
+ if (ValueUnion.u32 == 0)
+ g_nsTestRun = RT_NS_1SEC_64 * 10;
+ else
+ g_nsTestRun = ValueUnion.u32 * RT_NS_1SEC_64;
+ break;
+
+ case 'm':
+ if (ValueUnion.u64 == 0)
+ g_nsTestRun = RT_NS_1SEC_64 * 10;
+ else
+ g_nsTestRun = ValueUnion.u64 * RT_NS_1MS;
+ break;
+
+ case 'e':
+ g_fManyFiles = true;
+ g_fOpen = true;
+ g_fFStat = true;
+ g_fFChMod = true;
+ g_fFUtimes = true;
+ g_fStat = true;
+ g_fChMod = true;
+ g_fUtimes = true;
+ g_fRename = true;
+ g_fDirEnum = true;
+ g_fMkRmDir = true;
+ g_fStatVfs = true;
+ g_fRm = true;
+ g_fChSize = true;
+ g_fRead = true;
+ g_fWrite = true;
+ g_fSeek = true;
+ g_fFSync = true;
+ g_fMMap = true;
+ break;
+
+ case 'z':
+ g_fManyFiles = false;
+ g_fOpen = false;
+ g_fFStat = false;
+ g_fFChMod = false;
+ g_fFUtimes = false;
+ g_fStat = false;
+ g_fChMod = false;
+ g_fUtimes = false;
+ g_fRename = false;
+ g_fDirEnum = false;
+ g_fMkRmDir = false;
+ g_fStatVfs = false;
+ g_fRm = false;
+ g_fChSize = false;
+ g_fRead = false;
+ g_fWrite = false;
+ g_fSeek = false;
+ g_fFSync = false;
+ g_fMMap = false;
+ break;
+
+#define CASE_OPT(a_Stem) \
+ case RT_CONCAT(kCmdOpt_,a_Stem): RT_CONCAT(g_f,a_Stem) = true; break; \
+ case RT_CONCAT(kCmdOpt_No,a_Stem): RT_CONCAT(g_f,a_Stem) = false; break
+ CASE_OPT(ManyFiles);
+ CASE_OPT(Open);
+ CASE_OPT(FStat);
+ CASE_OPT(FChMod);
+ CASE_OPT(FUtimes);
+ CASE_OPT(Stat);
+ CASE_OPT(ChMod);
+ CASE_OPT(Utimes);
+ CASE_OPT(Rename);
+ CASE_OPT(DirEnum);
+ CASE_OPT(MkRmDir);
+ CASE_OPT(StatVfs);
+ CASE_OPT(Rm);
+ CASE_OPT(ChSize);
+ CASE_OPT(Read);
+ CASE_OPT(Write);
+ CASE_OPT(Seek);
+ CASE_OPT(FSync);
+ CASE_OPT(MMap);
+#undef CASE_OPT
+
+ case 'q':
+ g_uVerbosity = 0;
+ break;
+
+ case 'v':
+ g_uVerbosity++;
+ break;
+
+ case 'h':
+ Usage(g_pStdOut);
+ return RTEXITCODE_SUCCESS;
+
+ case 'V':
+ {
+ char szRev[] = "$Revision: 128290 $";
+ szRev[RT_ELEMENTS(szRev) - 2] = '\0';
+ RTPrintf(RTStrStrip(strchr(szRev, ':') + 1));
+ return RTEXITCODE_SUCCESS;
+ }
+
+ default:
+ return RTGetOptPrintError(rc, &ValueUnion);
+ }
+ }
+
+ /*
+ * Create the test directory with an 'empty' subdirectory under it,
+ * execute the tests, and remove directory when done.
+ */
+ RTTestBanner(g_hTest);
+ if (!RTPathExists(g_szDir))
+ {
+ /* The base dir: */
+ rc = RTDirCreate(g_szDir, 0755,
+ RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_DONT_SET | RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_NOT_CRITICAL);
+ if (RT_SUCCESS(rc))
+ {
+ RTTestIPrintf(RTTESTLVL_ALWAYS, "Test dir: %s\n", g_szDir);
+ rc = fsPrepTestArea();
+ if (RT_SUCCESS(rc))
+ {
+ /* Profile RTTimeNanoTS(). */
+ fsPerfNanoTS();
+
+ /* Do tests: */
+ if (g_fManyFiles)
+ fsPerfManyFiles();
+ if (g_fOpen)
+ fsPerfOpen();
+ if (g_fFStat)
+ fsPerfFStat();
+ if (g_fFChMod)
+ fsPerfFChMod();
+ if (g_fFUtimes)
+ fsPerfFUtimes();
+ if (g_fStat)
+ fsPerfStat();
+ if (g_fChMod)
+ fsPerfChmod();
+ if (g_fUtimes)
+ fsPerfUtimes();
+ if (g_fRename)
+ fsPerfRename();
+ if (g_fDirEnum)
+ vsPerfDirEnum();
+ if (g_fMkRmDir)
+ fsPerfMkRmDir();
+ if (g_fStatVfs)
+ fsPerfStatVfs();
+ if (g_fRm || g_fManyFiles)
+ fsPerfRm(); /* deletes manyfiles and manytree */
+ if (g_fChSize)
+ fsPerfChSize();
+ if (g_fRead || g_fWrite || g_fSeek || g_fFSync || g_fMMap)
+ fsPerfIo();
+ }
+
+ /* Cleanup: */
+ g_szDir[g_cchDir] = '\0';
+ rc = RTDirRemoveRecursive(g_szDir, RTDIRRMREC_F_CONTENT_AND_DIR);
+ if (RT_FAILURE(rc))
+ RTTestFailed(g_hTest, "RTDirRemoveRecursive(%s,) -> %Rrc\n", g_szDir, rc);
+ }
+ else
+ RTTestFailed(g_hTest, "RTDirCreate(%s) -> %Rrc\n", g_szDir, rc);
+ }
+ else
+ RTTestFailed(g_hTest, "Test directory already exists: %s\n", g_szDir);
+
+ return RTTestSummaryAndDestroy(g_hTest);
+}
diff --git a/src/VBox/ValidationKit/utils/fs/Makefile.kmk b/src/VBox/ValidationKit/utils/fs/Makefile.kmk
new file mode 100644
index 00000000..a51e8c54
--- /dev/null
+++ b/src/VBox/ValidationKit/utils/fs/Makefile.kmk
@@ -0,0 +1,39 @@
+# $Id: Makefile.kmk $
+## @file
+# VirtualBox Validation Kit - File system tests.
+#
+
+#
+# Copyright (C) 2010-2019 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.
+#
+
+SUB_DEPTH = ../../../../..
+include $(KBUILD_PATH)/subheader.kmk
+
+#
+# File System Performance (think shared folders).
+#
+PROGRAMS += FsPerf
+FsPerf_TEMPLATE = VBoxValidationKitR3
+FsPerf_SOURCES = FsPerf.cpp
+
+$(evalcall def_vbox_validationkit_process_python_sources)
+include $(FILE_KBUILD_SUB_FOOTER)
+