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- Implement ProcessIoCounters case in NtQueryInformationProcess. Patch by Dmitry Chapyshev.

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- Turn on I/O operations counter.

svn path=/trunk/; revision=40962
This commit is contained in:
Aleksey Bragin 2009-05-17 17:04:53 +00:00
parent dad773b3ca
commit 0d1d176048
2 changed files with 45 additions and 3 deletions
reactos/ntoskrnl
io/iomgr
iomgr.c
ps
query.c

2
reactos/ntoskrnl/io/iomgr/iomgr.c
View file

@ -31,7 +31,7 @@ POBJECT_TYPE IoDeviceObjectType = NULL;
POBJECT_TYPE IoFileObjectType = NULL; POBJECT_TYPE IoFileObjectType = NULL;
extern POBJECT_TYPE IoControllerObjectType; extern POBJECT_TYPE IoControllerObjectType;
extern UNICODE_STRING NtSystemRoot; extern UNICODE_STRING NtSystemRoot;
BOOLEAN IoCountOperations = FALSE; BOOLEAN IoCountOperations = TRUE;
ULONG IoReadOperationCount = 0; ULONG IoReadOperationCount = 0;
LARGE_INTEGER IoReadTransferCount = {{0, 0}}; LARGE_INTEGER IoReadTransferCount = {{0, 0}};
ULONG IoWriteOperationCount = 0; ULONG IoWriteOperationCount = 0;

46
reactos/ntoskrnl/ps/query.c
View file

@ -72,6 +72,7 @@ NtQueryInformationProcess(IN HANDLE ProcessHandle,
PPROCESS_SESSION_INFORMATION SessionInfo = PPROCESS_SESSION_INFORMATION SessionInfo =
(PPROCESS_SESSION_INFORMATION)ProcessInformation; (PPROCESS_SESSION_INFORMATION)ProcessInformation;
PVM_COUNTERS VmCounters = (PVM_COUNTERS)ProcessInformation; PVM_COUNTERS VmCounters = (PVM_COUNTERS)ProcessInformation;
PIO_COUNTERS IoCounters = (PIO_COUNTERS)ProcessInformation;
PROCESS_DEVICEMAP_INFORMATION DeviceMap; PROCESS_DEVICEMAP_INFORMATION DeviceMap;
PUNICODE_STRING ImageName; PUNICODE_STRING ImageName;
ULONG Cookie; ULONG Cookie;
@ -149,8 +150,32 @@ NtQueryInformationProcess(IN HANDLE ProcessHandle,
ObDereferenceObject(Process); ObDereferenceObject(Process);
break; break;
/* Quote limits and I/O Counters: not implemented */ /* Quote limits: not implemented */
case ProcessQuotaLimits: case ProcessQuotaLimits:
Length = sizeof(QUOTA_LIMITS);
if (ProcessInformationLength != Length)
{
Status = STATUS_INFO_LENGTH_MISMATCH;
break;
}
/* Reference the process */
Status = ObReferenceObjectByHandle(ProcessHandle,
PROCESS_QUERY_INFORMATION,
PsProcessType,
PreviousMode,
(PVOID*)&Process,
NULL);
if (!NT_SUCCESS(Status)) break;
/* TODO: Implement this case */
Status = STATUS_NOT_IMPLEMENTED;
/* Dereference the process */
ObDereferenceObject(Process);
break;
case ProcessIoCounters: case ProcessIoCounters:
Length = sizeof(IO_COUNTERS); Length = sizeof(IO_COUNTERS);
@ -169,7 +194,24 @@ NtQueryInformationProcess(IN HANDLE ProcessHandle,
NULL); NULL);
if (!NT_SUCCESS(Status)) break; if (!NT_SUCCESS(Status)) break;
Status = STATUS_NOT_IMPLEMENTED; _SEH2_TRY
{
IoCounters->ReadOperationCount = Process->ReadOperationCount.QuadPart;
IoCounters->ReadTransferCount = Process->ReadTransferCount.QuadPart;
IoCounters->WriteOperationCount = Process->WriteOperationCount.QuadPart;
IoCounters->WriteTransferCount = Process->WriteTransferCount.QuadPart;
IoCounters->OtherOperationCount = Process->OtherOperationCount.QuadPart;
IoCounters->OtherTransferCount = Process->OtherTransferCount.QuadPart;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
/* Ignore exception */
}
_SEH2_END;
/* Set status to success in any case */
Status = STATUS_SUCCESS;
/* Dereference the process */ /* Dereference the process */
ObDereferenceObject(Process); ObDereferenceObject(Process);
break; break;