mirror of
https://github.com/reactos/reactos.git
synced 2024-11-02 21:09:15 +00:00
1afa5e29a0
- memtest: uh, no. ZwQuerySystemInformation does not return NO_ERROR svn path=/trunk/; revision=37667
111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
/*
|
|
* Memory Manager Information and Test driver
|
|
*
|
|
* Copyright 2006 Aleksey Bragin <alekset@reactos.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; see the file COPYING.LIB.
|
|
* If not, write to the Free Software Foundation,
|
|
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
/* INCLUDES *******************************************************************/
|
|
|
|
#include <ddk/ntddk.h>
|
|
#include "memtest.h"
|
|
|
|
//#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
HANDLE MonitorThreadHandle;
|
|
|
|
/* FUNCTIONS ***********************************************************/
|
|
|
|
static VOID NTAPI
|
|
MonitorThread(PVOID Ignored)
|
|
{
|
|
SYSTEM_PERFORMANCE_INFORMATION PerformanceInfo;
|
|
ULONG Length;
|
|
LARGE_INTEGER Interval, SystemTime;
|
|
|
|
/* Main loop */
|
|
while (TRUE)
|
|
{
|
|
Interval.QuadPart = -300 * 10000; // 300 ms
|
|
|
|
/* Query information */
|
|
if (ZwQuerySystemInformation(SystemPerformanceInformation,
|
|
(PVOID) &PerformanceInfo,
|
|
sizeof(SYSTEM_PERFORMANCE_INFORMATION),
|
|
&Length) != STATUS_SUCCESS)
|
|
{
|
|
break;
|
|
}
|
|
|
|
/* Query current system time */
|
|
KeQuerySystemTime(&SystemTime);
|
|
|
|
|
|
DbgPrint("%I64d;%d;%d\n", SystemTime.QuadPart,
|
|
PerformanceInfo.CommittedPages, PerformanceInfo.AvailablePages);
|
|
|
|
/* Wait for a bit. */
|
|
KeDelayExecutionThread(KernelMode, FALSE, &Interval);
|
|
}
|
|
|
|
DPRINT("Finishing monitoring thread.\n");
|
|
|
|
PsTerminateSystemThread(0);
|
|
}
|
|
|
|
|
|
VOID
|
|
StartMemoryMonitor()
|
|
{
|
|
NTSTATUS Status;
|
|
|
|
Status = PsCreateSystemThread(
|
|
&MonitorThreadHandle,
|
|
THREAD_ALL_ACCESS,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
MonitorThread,
|
|
NULL);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT1("Failed to start a monitoring thread\n");
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* PUBLIC FUNCTIONS ***********************************************************/
|
|
|
|
/*
|
|
* DriverEntry
|
|
*/
|
|
NTSTATUS
|
|
NTAPI
|
|
DriverEntry(PDRIVER_OBJECT DriverObject,
|
|
PUNICODE_STRING RegistryPath)
|
|
{
|
|
DbgPrint("\n===============================================\n Memory Manager Information and Test driver\n");
|
|
DbgPrint("Time;Memory pages allocated;Memory pages free\n");
|
|
|
|
|
|
StartMemoryMonitor();
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|