316 lines
10 KiB
C
316 lines
10 KiB
C
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/*++
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Copyright (c) 1997-1999 Microsoft Corporation
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Module Name:
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dpsump.c
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Abstract:
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test program
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Author:
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16-Jan-1997 AlanWar
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Revision History:
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7-Jan-2001 insungp
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--*/
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windows.h>
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#include <ole2.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ntdddisk.h>
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#include <wmium.h>
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#include <mountmgr.h>
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GUID DiskPerfGuid = {0xBDD865D1,0xD7C1,0x11d0,0xA5,0x01,0x00,0xA0,0xC9,0x06,0x29,0x10};
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BYTE Buffer[4096];
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ULONG QueryAllDataAndDump(LPGUID Guid)
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{
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WMIHANDLE WmiHandle;
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ULONG Size;
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ULONG Status;
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PWNODE_ALL_DATA WAD;
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WCHAR InstanceName[MAX_PATH];
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PWCHAR InstanceNamePtr;
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ULONG InstanceNameOffset;
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PDISK_PERFORMANCE DiskPerformance;
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Status = WmiOpenBlock(Guid, 0, &WmiHandle);
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if (Status != ERROR_SUCCESS)
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{
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printf("WMIOpenBlock %d\n", Status);
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return(Status);
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}
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Size = sizeof(Buffer);
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Status = WmiQueryAllDataW(WmiHandle, &Size, Buffer);
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if (Status != ERROR_SUCCESS)
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{
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printf("WMIQueryAllData %d\n", Status);
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} else {
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WAD = (PWNODE_ALL_DATA)Buffer;
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while (1)
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{
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DiskPerformance = (PDISK_PERFORMANCE)( (PUCHAR)WAD + WAD->DataBlockOffset);
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InstanceNameOffset = *((PULONG)( (PUCHAR)WAD + WAD->OffsetInstanceNameOffsets));
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InstanceNamePtr = (PWCHAR)( (PUCHAR)WAD + InstanceNameOffset);
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memcpy(InstanceName, InstanceNamePtr+1, *InstanceNamePtr);
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InstanceName[(*InstanceNamePtr)/sizeof(WCHAR)] = 0;
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printf("%ws\n", InstanceName);
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printf(" BytesRead = %x%x\n",
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DiskPerformance->BytesRead.HighPart,
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DiskPerformance->BytesRead.LowPart);
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printf(" BytesWritten = %x%x\n",
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DiskPerformance->BytesWritten.HighPart,
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DiskPerformance->BytesWritten.LowPart);
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printf(" ReadTime = %x%x\n",
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DiskPerformance->ReadTime.HighPart,
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DiskPerformance->ReadTime.LowPart);
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printf(" WriteTime = %x%x\n",
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DiskPerformance->WriteTime.HighPart,
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DiskPerformance->WriteTime.LowPart);
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printf(" ReadCount = %x\n", DiskPerformance->ReadCount);
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printf(" WriteCount = %x\n", DiskPerformance->WriteCount);
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printf(" QueueDepth = %x\n", DiskPerformance->QueueDepth);
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printf("\n\n");
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if (WAD->WnodeHeader.Linkage == 0)
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{
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break;
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}
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WAD = (PWNODE_ALL_DATA)((PUCHAR)WAD + WAD->WnodeHeader.Linkage);
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}
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}
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WmiCloseBlock(WmiHandle);
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return(Status);
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}
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ULONG
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QueryUsingIoctl()
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{
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ULONG nDisk, i;
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SYSTEM_DEVICE_INFORMATION DeviceInfo;
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NTSTATUS status;
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UNICODE_STRING UnicodeName;
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OBJECT_ATTRIBUTES ObjectAttributes;
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IO_STATUS_BLOCK IoStatus;
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WCHAR devname[256];
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PWCHAR s;
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HANDLE PartitionHandle, MountMgrHandle, VolumeHandle;
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DWORD ReturnedBytes, MountError;
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DISK_PERFORMANCE DiskPerformance;
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status = NtQuerySystemInformation(SystemDeviceInformation, &DeviceInfo, sizeof(DeviceInfo), NULL);
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if (!NT_SUCCESS(status)) {
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printf("NtQuerySystemInformation returns %X\n", status);
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}
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nDisk = DeviceInfo.NumberOfDisks;
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// for each physical disk
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for (i = 0; i < nDisk; i++) {
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swprintf(devname, L"\\Device\\Harddisk%d\\Partition0", i);
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RtlInitUnicodeString(&UnicodeName, devname);
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InitializeObjectAttributes(
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&ObjectAttributes,
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&UnicodeName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL
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);
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// opening a partition handle for physical drives
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status = NtOpenFile(
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&PartitionHandle,
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FILE_READ_ATTRIBUTES | SYNCHRONIZE,
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&ObjectAttributes,
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&IoStatus,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE
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);
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if ( !NT_SUCCESS(status) ) {
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printf("Error %x: Cannot open disk %ws\n", GetLastError(), devname);
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continue;
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}
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// sending IOCTL over to Partition Handle
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if (!DeviceIoControl(PartitionHandle,
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IOCTL_DISK_PERFORMANCE,
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NULL,
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0,
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&DiskPerformance,
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sizeof(DISK_PERFORMANCE),
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&ReturnedBytes,
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NULL
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)) {
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printf("Error %x: Cannot get Disk Performance Information for %ws\n", GetLastError(),
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devname);
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}
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else {
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printf("Physical Drive %d\n", i);
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printf(" BytesRead = %x%x\n",
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DiskPerformance.BytesRead.HighPart,
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DiskPerformance.BytesRead.LowPart);
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printf(" BytesWritten = %x%x\n",
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DiskPerformance.BytesWritten.HighPart,
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DiskPerformance.BytesWritten.LowPart);
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printf(" ReadTime = %x%x\n",
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DiskPerformance.ReadTime.HighPart,
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DiskPerformance.ReadTime.LowPart);
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printf(" WriteTime = %x%x\n",
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DiskPerformance.WriteTime.HighPart,
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DiskPerformance.WriteTime.LowPart);
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printf(" ReadCount = %x\n", DiskPerformance.ReadCount);
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printf(" WriteCount = %x\n", DiskPerformance.WriteCount);
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printf(" QueueDepth = %x\n", DiskPerformance.QueueDepth);
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printf("\n\n");
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}
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NtClose(PartitionHandle);
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}
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MountMgrHandle = FindFirstVolumeW(devname, sizeof(devname));
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if (MountMgrHandle == NULL) {
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printf("Cannot find first volume\n");
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return 0;
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}
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s = (PWCHAR) &devname[wcslen(devname)-1];
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if (*s == L'\\') {
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*s = UNICODE_NULL;
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}
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VolumeHandle = CreateFileW(devname, 0, FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, INVALID_HANDLE_VALUE);
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if (VolumeHandle != INVALID_HANDLE_VALUE) {
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RtlZeroMemory(&DiskPerformance, sizeof(DISK_PERFORMANCE));
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// sending IOCTL over to a volume handle
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if (!DeviceIoControl(VolumeHandle,
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IOCTL_DISK_PERFORMANCE,
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NULL,
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0,
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&DiskPerformance,
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sizeof(DISK_PERFORMANCE),
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&ReturnedBytes,
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NULL
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)) {
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printf("IOCTL failed for %ws %d\n", devname, GetLastError());
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}
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else {
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printf("%ws\n", devname);
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printf(" BytesRead = %x%x\n",
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DiskPerformance.BytesRead.HighPart,
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DiskPerformance.BytesRead.LowPart);
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printf(" BytesWritten = %x%x\n",
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DiskPerformance.BytesWritten.HighPart,
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DiskPerformance.BytesWritten.LowPart);
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printf(" ReadTime = %x%x\n",
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DiskPerformance.ReadTime.HighPart,
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DiskPerformance.ReadTime.LowPart);
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printf(" WriteTime = %x%x\n",
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DiskPerformance.WriteTime.HighPart,
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DiskPerformance.WriteTime.LowPart);
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printf(" ReadCount = %x\n", DiskPerformance.ReadCount);
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printf(" WriteCount = %x\n", DiskPerformance.WriteCount);
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printf(" QueueDepth = %x\n", DiskPerformance.QueueDepth);
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printf("\n\n");
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}
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CloseHandle(VolumeHandle);
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}
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else {
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printf("Error %x: Cannot open volume %ws\n", GetLastError(), devname);
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}
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while (FindNextVolumeW(MountMgrHandle, devname, sizeof(devname))) {
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s = (PWCHAR) &devname[wcslen(devname)-1];
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if (*s == L'\\') {
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*s = UNICODE_NULL;
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}
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VolumeHandle = CreateFileW(devname, 0, FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, INVALID_HANDLE_VALUE);
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if (VolumeHandle != INVALID_HANDLE_VALUE) {
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RtlZeroMemory(&DiskPerformance, sizeof(DISK_PERFORMANCE));
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if (!DeviceIoControl(VolumeHandle,
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IOCTL_DISK_PERFORMANCE,
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NULL,
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0,
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&DiskPerformance,
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sizeof(DISK_PERFORMANCE),
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&ReturnedBytes,
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NULL
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)) {
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printf("IOCTL failed for %ws %d\n", devname, GetLastError());
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continue;
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}
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printf("%ws\n", devname);
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printf(" BytesRead = %x%x\n",
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DiskPerformance.BytesRead.HighPart,
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DiskPerformance.BytesRead.LowPart);
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printf(" BytesWritten = %x%x\n",
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DiskPerformance.BytesWritten.HighPart,
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DiskPerformance.BytesWritten.LowPart);
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printf(" ReadTime = %x%x\n",
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DiskPerformance.ReadTime.HighPart,
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DiskPerformance.ReadTime.LowPart);
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printf(" WriteTime = %x%x\n",
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DiskPerformance.WriteTime.HighPart,
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DiskPerformance.WriteTime.LowPart);
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printf(" ReadCount = %x\n", DiskPerformance.ReadCount);
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printf(" WriteCount = %x\n", DiskPerformance.WriteCount);
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printf(" QueueDepth = %x\n", DiskPerformance.QueueDepth);
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printf("\n\n");
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CloseHandle(VolumeHandle);
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}
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else {
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printf("Error %x: Cannot open volume %ws\n", GetLastError(), devname);
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}
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}
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FindVolumeClose(MountMgrHandle);
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return ERROR_SUCCESS;
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}
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int _cdecl main(int argc, char *argv[])
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{
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if ((argc > 1) && (!strcmp(argv[1], "-ioctl"))) {
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QueryUsingIoctl();
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}
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else {
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QueryAllDataAndDump(&DiskPerfGuid);
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}
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return(0);
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}
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