static HandlerProc DrivesMain;
static HandlerProc DriveTypeMain;
static HandlerProc VolumeInfoMain;
+static HandlerProc StatisticsMain;
static HandlerItem HandlersList[] =
{
/* Proc, name, help */
{ DrivesMain, _T("drives"), _T("Enumerates the drives") },
{ DriveTypeMain, _T("drivetype"), _T("Provides the type of a drive") },
{ VolumeInfoMain, _T("volumeinfo"), _T("Provides informations about a volume") },
+ { StatisticsMain, _T("statistics"), _T("Displays volume statistics") },
};
static int
return 0;
}
+#define DUMP_VALUE(stats, value) fprintf(stdout, "%s: %lu\n", #value, stats->value)
+
+static void
+DumpBase(PFILESYSTEM_STATISTICS Base, TCHAR * Name)
+{
+ /* Print FS name */
+ _ftprintf(stdout, _T("File system type: %s\n\n"), Name);
+
+ /* And then, dump any base stat */
+ DUMP_VALUE(Base, UserFileReads);
+ DUMP_VALUE(Base, UserFileReadBytes);
+ DUMP_VALUE(Base, UserDiskReads);
+ DUMP_VALUE(Base, UserFileWrites);
+ DUMP_VALUE(Base, UserFileWriteBytes);
+ DUMP_VALUE(Base, UserDiskWrites);
+ DUMP_VALUE(Base, MetaDataReads);
+ DUMP_VALUE(Base, MetaDataReadBytes);
+ DUMP_VALUE(Base, MetaDataDiskReads);
+ DUMP_VALUE(Base, MetaDataWrites);
+ DUMP_VALUE(Base, MetaDataWriteBytes);
+ DUMP_VALUE(Base, MetaDataDiskWrites);
+
+ _ftprintf(stdout, _T("\n"));
+}
+
+static void
+DumpExFat(PVOID Statistics, PVOID Specific)
+{
+ PEXFAT_STATISTICS ExFat;
+ PFILESYSTEM_STATISTICS Base;
+
+ Base = Statistics;
+ ExFat = Specific;
+
+ /* First, display the generic stats */
+ DumpBase(Base, _T("EXFAT"));
+
+ /* Then, display the EXFAT specific ones */
+ DUMP_VALUE(ExFat, CreateHits);
+ DUMP_VALUE(ExFat, SuccessfulCreates);
+ DUMP_VALUE(ExFat, FailedCreates);
+ DUMP_VALUE(ExFat, NonCachedReads);
+ DUMP_VALUE(ExFat, NonCachedReadBytes);
+ DUMP_VALUE(ExFat, NonCachedWrites);
+ DUMP_VALUE(ExFat, NonCachedWriteBytes);
+ DUMP_VALUE(ExFat, NonCachedDiskReads);
+ DUMP_VALUE(ExFat, NonCachedDiskWrites);
+}
+
+static void
+DumpFat(PVOID Statistics, PVOID Specific)
+{
+ PFAT_STATISTICS Fat;
+ PFILESYSTEM_STATISTICS Base;
+
+ Base = Statistics;
+ Fat = Specific;
+
+ /* First, display the generic stats */
+ DumpBase(Base, _T("FAT"));
+
+ /* Then, display the FAT specific ones */
+ DUMP_VALUE(Fat, CreateHits);
+ DUMP_VALUE(Fat, SuccessfulCreates);
+ DUMP_VALUE(Fat, FailedCreates);
+ DUMP_VALUE(Fat, NonCachedReads);
+ DUMP_VALUE(Fat, NonCachedReadBytes);
+ DUMP_VALUE(Fat, NonCachedWrites);
+ DUMP_VALUE(Fat, NonCachedWriteBytes);
+ DUMP_VALUE(Fat, NonCachedDiskReads);
+ DUMP_VALUE(Fat, NonCachedDiskWrites);
+}
+
+static void
+DumpNtfs(PVOID Statistics, PVOID Specific)
+{
+ PNTFS_STATISTICS Ntfs;
+ PFILESYSTEM_STATISTICS Base;
+
+ Base = Statistics;
+ Ntfs = Specific;
+
+ /* First, display the generic stats */
+ DumpBase(Base, _T("NTFS"));
+
+ /* Then, display the NTFS specific ones */
+ DUMP_VALUE(Ntfs, MftReads);
+ DUMP_VALUE(Ntfs, MftReadBytes);
+ DUMP_VALUE(Ntfs, MftWrites);
+ DUMP_VALUE(Ntfs, MftWriteBytes);
+ DUMP_VALUE(Ntfs, Mft2Writes);
+ DUMP_VALUE(Ntfs, Mft2WriteBytes);
+ DUMP_VALUE(Ntfs, RootIndexReads);
+ DUMP_VALUE(Ntfs, RootIndexReadBytes);
+ DUMP_VALUE(Ntfs, RootIndexWrites);
+ DUMP_VALUE(Ntfs, RootIndexWriteBytes);
+ DUMP_VALUE(Ntfs, BitmapReads);
+ DUMP_VALUE(Ntfs, BitmapReadBytes);
+ DUMP_VALUE(Ntfs, BitmapWrites);
+ DUMP_VALUE(Ntfs, BitmapWriteBytes);
+ DUMP_VALUE(Ntfs, MftBitmapReads);
+ DUMP_VALUE(Ntfs, MftBitmapReadBytes);
+ DUMP_VALUE(Ntfs, MftBitmapWrites);
+ DUMP_VALUE(Ntfs, MftBitmapWriteBytes);
+ DUMP_VALUE(Ntfs, UserIndexReads);
+ DUMP_VALUE(Ntfs, UserIndexReadBytes);
+ DUMP_VALUE(Ntfs, UserIndexWrites);
+ DUMP_VALUE(Ntfs, UserIndexWriteBytes);
+ DUMP_VALUE(Ntfs, LogFileReads);
+ DUMP_VALUE(Ntfs, LogFileReadBytes);
+ DUMP_VALUE(Ntfs, LogFileWrites);
+ DUMP_VALUE(Ntfs, LogFileWriteBytes);
+}
+
+#define GET_NEXT(stats, length, iter, type) (type)((ULONG_PTR)stats + (length * iter))
+#define SUM_VALUE(stats, new, value) stats->value += new->value
+
+inline int
+ValidateSizes(ULONG Length, DWORD ProcCount, DWORD BytesRead, DWORD SpecificSize)
+{
+ /* Check whether we could read our base length for every processor */
+ if (Length * ProcCount > BytesRead)
+ {
+ _ftprintf(stderr, _T("Only performed a partial read: %lu (expected: %lu)\n"), BytesRead, Length * ProcCount);
+ return 1;
+ }
+
+ /* Check whether this covers a specific entry and a generic entry for every processor */
+ if ((sizeof(FILESYSTEM_STATISTICS) + SpecificSize) * ProcCount > BytesRead)
+ {
+ _ftprintf(stderr, _T("Only performed a partial read: %lu (expected: %lu)\n"), BytesRead, (sizeof(FILESYSTEM_STATISTICS) + SpecificSize));
+ return 1;
+ }
+
+ return 0;
+}
+
+inline void
+SumBase(PFILESYSTEM_STATISTICS Base, PFILESYSTEM_STATISTICS NextBase)
+{
+ /* Sum any entry in the generic structures */
+ SUM_VALUE(Base, NextBase, UserFileReads);
+ SUM_VALUE(Base, NextBase, UserFileReadBytes);
+ SUM_VALUE(Base, NextBase, UserDiskReads);
+ SUM_VALUE(Base, NextBase, UserFileWrites);
+ SUM_VALUE(Base, NextBase, UserFileWriteBytes);
+ SUM_VALUE(Base, NextBase, UserDiskWrites);
+ SUM_VALUE(Base, NextBase, MetaDataReads);
+ SUM_VALUE(Base, NextBase, MetaDataReadBytes);
+ SUM_VALUE(Base, NextBase, MetaDataDiskReads);
+ SUM_VALUE(Base, NextBase, MetaDataWrites);
+ SUM_VALUE(Base, NextBase, MetaDataWriteBytes);
+ SUM_VALUE(Base, NextBase, MetaDataDiskWrites);
+}
+
+static int
+SumExFat(PVOID Statistics, PVOID Specific, ULONG Length, DWORD ProcCount, DWORD BytesRead)
+{
+ DWORD i;
+ PEXFAT_STATISTICS ExFat;
+ PFILESYSTEM_STATISTICS Base;
+
+ /* First, validate we won't read beyond allocation */
+ if (ValidateSizes(Length, ProcCount, BytesRead, sizeof(EXFAT_STATISTICS)))
+ {
+ return 1;
+ }
+
+ Base = Statistics;
+ ExFat = Specific;
+
+ /* And for every processor, sum every relevant value in first entry */
+ for (i = 1; i < ProcCount; ++i)
+ {
+ PEXFAT_STATISTICS NextExFat;
+ PFILESYSTEM_STATISTICS NextBase;
+
+ NextBase = GET_NEXT(Base, Length, i, PFILESYSTEM_STATISTICS);
+ NextExFat = GET_NEXT(ExFat, Length, i, PEXFAT_STATISTICS);
+
+ /* Generic first */
+ SumBase(Base, NextBase);
+ /* Specific then */
+ SUM_VALUE(ExFat, NextExFat, CreateHits);
+ SUM_VALUE(ExFat, NextExFat, SuccessfulCreates);
+ SUM_VALUE(ExFat, NextExFat, FailedCreates);
+ SUM_VALUE(ExFat, NextExFat, NonCachedReads);
+ SUM_VALUE(ExFat, NextExFat, NonCachedReadBytes);
+ SUM_VALUE(ExFat, NextExFat, NonCachedWrites);
+ SUM_VALUE(ExFat, NextExFat, NonCachedWriteBytes);
+ SUM_VALUE(ExFat, NextExFat, NonCachedDiskReads);
+ SUM_VALUE(ExFat, NextExFat, NonCachedDiskWrites);
+ }
+
+ return 0;
+}
+
+static int
+SumFat(PVOID Statistics, PVOID Specific, ULONG Length, DWORD ProcCount, DWORD BytesRead)
+{
+ DWORD i;
+ PFAT_STATISTICS Fat;
+ PFILESYSTEM_STATISTICS Base;
+
+ /* First, validate we won't read beyond allocation */
+ if (ValidateSizes(Length, ProcCount, BytesRead, sizeof(FAT_STATISTICS)))
+ {
+ return 1;
+ }
+
+ Base = Statistics;
+ Fat = Specific;
+
+ /* And for every processor, sum every relevant value in first entry */
+ for (i = 1; i < ProcCount; ++i)
+ {
+ PFAT_STATISTICS NextFat;
+ PFILESYSTEM_STATISTICS NextBase;
+
+ NextBase = GET_NEXT(Base, Length, i, PFILESYSTEM_STATISTICS);
+ NextFat = GET_NEXT(Fat, Length, i, PFAT_STATISTICS);
+
+ /* Generic first */
+ SumBase(Base, NextBase);
+ /* Specific then */
+ SUM_VALUE(Fat, NextFat, CreateHits);
+ SUM_VALUE(Fat, NextFat, SuccessfulCreates);
+ SUM_VALUE(Fat, NextFat, FailedCreates);
+ SUM_VALUE(Fat, NextFat, NonCachedReads);
+ SUM_VALUE(Fat, NextFat, NonCachedReadBytes);
+ SUM_VALUE(Fat, NextFat, NonCachedWrites);
+ SUM_VALUE(Fat, NextFat, NonCachedWriteBytes);
+ SUM_VALUE(Fat, NextFat, NonCachedDiskReads);
+ SUM_VALUE(Fat, NextFat, NonCachedDiskWrites);
+ }
+
+ return 0;
+}
+
+static int
+SumNtfs(PVOID Statistics, PVOID Specific, ULONG Length, DWORD ProcCount, DWORD BytesRead)
+{
+ DWORD i;
+ PNTFS_STATISTICS Ntfs;
+ PFILESYSTEM_STATISTICS Base;
+
+ /* First, validate we won't read beyond allocation */
+ if (ValidateSizes(Length, ProcCount, BytesRead, sizeof(NTFS_STATISTICS)))
+ {
+ return 1;
+ }
+
+ Base = Statistics;
+ Ntfs = Specific;
+
+ /* And for every processor, sum every relevant value in first entry */
+ for (i = 1; i < ProcCount; ++i)
+ {
+ PNTFS_STATISTICS NextNtfs;
+ PFILESYSTEM_STATISTICS NextBase;
+
+ NextBase = GET_NEXT(Base, Length, i, PFILESYSTEM_STATISTICS);
+ NextNtfs = GET_NEXT(Ntfs, Length, i, PNTFS_STATISTICS);
+
+ /* Generic first */
+ SumBase(Base, NextBase);
+ /* Specific then */
+ SUM_VALUE(Ntfs, NextNtfs, MftReads);
+ SUM_VALUE(Ntfs, NextNtfs, MftReadBytes);
+ SUM_VALUE(Ntfs, NextNtfs, MftWrites);
+ SUM_VALUE(Ntfs, NextNtfs, MftWriteBytes);
+ SUM_VALUE(Ntfs, NextNtfs, Mft2Writes);
+ SUM_VALUE(Ntfs, NextNtfs, Mft2WriteBytes);
+ SUM_VALUE(Ntfs, NextNtfs, RootIndexReads);
+ SUM_VALUE(Ntfs, NextNtfs, RootIndexReadBytes);
+ SUM_VALUE(Ntfs, NextNtfs, RootIndexWrites);
+ SUM_VALUE(Ntfs, NextNtfs, RootIndexWriteBytes);
+ SUM_VALUE(Ntfs, NextNtfs, BitmapReads);
+ SUM_VALUE(Ntfs, NextNtfs, BitmapReadBytes);
+ SUM_VALUE(Ntfs, NextNtfs, BitmapWrites);
+ SUM_VALUE(Ntfs, NextNtfs, BitmapWriteBytes);
+ SUM_VALUE(Ntfs, NextNtfs, MftBitmapReads);
+ SUM_VALUE(Ntfs, NextNtfs, MftBitmapReadBytes);
+ SUM_VALUE(Ntfs, NextNtfs, MftBitmapWrites);
+ SUM_VALUE(Ntfs, NextNtfs, MftBitmapWriteBytes);
+ SUM_VALUE(Ntfs, NextNtfs, UserIndexReads);
+ SUM_VALUE(Ntfs, NextNtfs, UserIndexReadBytes);
+ SUM_VALUE(Ntfs, NextNtfs, UserIndexWrites);
+ SUM_VALUE(Ntfs, NextNtfs, UserIndexWriteBytes);
+ SUM_VALUE(Ntfs, NextNtfs, LogFileReads);
+ SUM_VALUE(Ntfs, NextNtfs, LogFileReadBytes);
+ SUM_VALUE(Ntfs, NextNtfs, LogFileWrites);
+ SUM_VALUE(Ntfs, NextNtfs, LogFileWriteBytes);
+ }
+
+ return 0;
+}
+
+static int
+StatisticsMain(int argc, const TCHAR *argv[])
+{
+ HANDLE Volume;
+ SYSTEM_INFO SystemInfo;
+ FILESYSTEM_STATISTICS Buffer;
+ PFILESYSTEM_STATISTICS Statistics;
+ DWORD BytesRead, Length, ProcCount;
+ /* +1 because 0 isn't assigned to a filesystem */
+ void (*DumpFct[FILESYSTEM_STATISTICS_TYPE_EXFAT + 1])(PVOID, PVOID) = { NULL, DumpNtfs, DumpFat, DumpExFat };
+ int (*SumFct[FILESYSTEM_STATISTICS_TYPE_EXFAT + 1])(PVOID, PVOID, ULONG, DWORD, DWORD) = { NULL, SumNtfs, SumFat, SumExFat };
+
+ /* We need a volume (letter or GUID) */
+ if (argc < 2)
+ {
+ _ftprintf(stderr, _T("Usage: fsutil fsinfo statistics <volume>\n"));
+ _ftprintf(stderr, _T("\tFor example: fsutil fsinfo statistics c:\n"));
+ return 1;
+ }
+
+ /* Get a handle for the volume */
+ Volume = OpenVolume(argv[1], FALSE);
+ if (Volume == INVALID_HANDLE_VALUE)
+ {
+ return 1;
+ }
+
+ /* And query the statistics status - this call is expected to fail */
+ Statistics = &Buffer;
+ Length = sizeof(Buffer);
+ /* Assume we have a single proc for now */
+ ProcCount = 1;
+ if (DeviceIoControl(Volume, FSCTL_FILESYSTEM_GET_STATISTICS, NULL, 0, Statistics,
+ Length, &BytesRead, NULL) == FALSE)
+ {
+ DWORD Error;
+
+ /* Check we failed because we provided a too small buffer */
+ Error = GetLastError();
+ if (Error == ERROR_MORE_DATA)
+ {
+ /* Get proc count */
+ GetSystemInfo(&SystemInfo);
+ ProcCount = SystemInfo.dwNumberOfProcessors;
+ /* Get the maximum size to allocate: it's the total size (generic + specific) for every proc */
+ Length = Statistics->SizeOfCompleteStructure * ProcCount;
+
+ Statistics = LocalAlloc(LPTR, Length);
+ if (Statistics == NULL)
+ {
+ _ftprintf(stderr, _T("Failed to allocate memory!\n"));
+ CloseHandle(Volume);
+ return 1;
+ }
+
+ /* Reissue the FSCTL, it's supposed to succeed now! */
+ if (DeviceIoControl(Volume, FSCTL_FILESYSTEM_GET_STATISTICS, NULL, 0, Statistics,
+ Length, &BytesRead, NULL) == FALSE)
+ {
+ PrintErrorMessage(GetLastError());
+ LocalFree(Statistics);
+ CloseHandle(Volume);
+ return 1;
+ }
+ }
+ else
+ {
+ PrintErrorMessage(GetLastError());
+ CloseHandle(Volume);
+ return 1;
+ }
+ }
+
+ /* No need to deal with the volume any longer */
+ CloseHandle(Volume);
+
+ /* We only support FAT, EXFAT and NTFS for now */
+ if (Statistics->FileSystemType > FILESYSTEM_STATISTICS_TYPE_EXFAT || Statistics->FileSystemType < FILESYSTEM_STATISTICS_TYPE_NTFS)
+ {
+ _ftprintf(stderr, _T("Unrecognized file system type: %d\n"), Statistics->FileSystemType);
+ if (Statistics != &Buffer)
+ {
+ LocalFree(Statistics);
+ }
+
+ return 1;
+ }
+
+ /* Sum all the statistics (both generic and specific) from all the processors in the first entry */
+ if (SumFct[Statistics->FileSystemType](Statistics, (PVOID)((ULONG_PTR)Statistics + sizeof(FILESYSTEM_STATISTICS)),
+ Statistics->SizeOfCompleteStructure, ProcCount, BytesRead))
+ {
+ if (Statistics != &Buffer)
+ {
+ LocalFree(Statistics);
+ }
+
+ return 1;
+ }
+
+ /* And finally, display the statistics (both generic and specific) */
+ DumpFct[Statistics->FileSystemType](Statistics, (PVOID)((ULONG_PTR)Statistics + sizeof(FILESYSTEM_STATISTICS)));
+
+ /* If we allocated memory, release it */
+ if (Statistics != &Buffer)
+ {
+ LocalFree(Statistics);
+ }
+
+ return 0;
+}
+
static void
PrintUsage(const TCHAR * Command)
{
projects / reactos.git / commitdiff