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sys: statistics: implement FSCTL_FILESYSTEM_GET_STATISTICS

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This commit is contained in:
Bill Zissimopoulos
2016-12-26 22:45:48 -08:00
parent c8206751d2
commit 168acb1a1f
11 changed files with 196 additions and 3 deletions
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21
src/sys/driver.h
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@ -949,6 +949,21 @@ VOID FspWqPostIrpWorkItem(PIRP Irp);
#define FspWqRepostIrpWorkItem(I, RW, RF)\
FspWqCreateAndPostIrpWorkItem(I, RW, RF, TRUE)
/* file system statistics */
typedef struct
{
FILESYSTEM_STATISTICS Base;
FAT_STATISTICS Specific; /* pretend that we are FAT when it comes to stats */
/* align to 64 bytes */
__declspec(align(64)) UINT8 EndOfStruct[];
} FSP_STATISTICS;
NTSTATUS FspStatisticsCreate(FSP_STATISTICS **PStatistics);
VOID FspStatisticsDelete(FSP_STATISTICS *Statistics);
NTSTATUS FspStatisticsCopy(FSP_STATISTICS *Statistics, PVOID Buffer, PULONG PLength);
#define FspStatistics(S) (&(S)[KeGetCurrentProcessorNumber() % FspProcessorCount])
#define FspStatisticsInc(S,F) ((S)->F++)
#define FspStatisticsAdd(S,F,V) ((S)->F += (V))
/* device management */
enum
{
@ -990,7 +1005,7 @@ typedef struct
{
FSP_DEVICE_EXTENSION Base;
UINT32 InitDoneFsvrt:1, InitDoneIoq:1, InitDoneSec:1, InitDoneDir:1, InitDoneStrm:1,
InitDoneCtxTab:1, InitDoneTimer:1, InitDoneInfo:1, InitDoneNotify:1;
InitDoneCtxTab:1, InitDoneTimer:1, InitDoneInfo:1, InitDoneNotify:1, InitDoneStat:1;
PDEVICE_OBJECT FsctlDeviceObject;
PDEVICE_OBJECT FsvrtDeviceObject;
HANDLE MupHandle;
@ -1016,6 +1031,7 @@ typedef struct
FSP_FSCTL_VOLUME_INFO VolumeInfo;
PNOTIFY_SYNC NotifySync;
LIST_ENTRY NotifyList;
FSP_STATISTICS *Statistics;
} FSP_FSVOL_DEVICE_EXTENSION;
static inline
FSP_DEVICE_EXTENSION *FspDeviceExtension(PDEVICE_OBJECT DeviceObject)
@ -1083,6 +1099,8 @@ VOID FspDeviceGlobalUnlock(VOID)
extern ERESOURCE FspDeviceGlobalResource;
ExReleaseResourceLite(&FspDeviceGlobalResource);
}
#define FspFsvolDeviceStatistics(DeviceObject)\
FspStatistics(FspFsvolDeviceExtension(DeviceObject)->Statistics)
#define FspFsvolDeviceStoppedStatus(DeviceObject)\
STATUS_VOLUME_DISMOUNTED
//(FILE_DEVICE_DISK_FILE_SYSTEM == (DeviceObject)->DeviceType ?\
@ -1486,6 +1504,7 @@ extern FSP_IOCMPL_DISPATCH *FspIopCompleteFunction[];
extern ERESOURCE FspDeviceGlobalResource;
extern WCHAR FspFileDescDirectoryPatternMatchAll[];
extern const GUID FspMainFileOpenEcpGuid;
extern ULONG FspProcessorCount;
extern FSP_MV_CcCoherencyFlushAndPurgeCache *FspMvCcCoherencyFlushAndPurgeCache;
extern ULONG FspMvMdlMappingNoWrite;