Leaked source code of windows server 2003
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126 lines
3.2 KiB

//
// Systrack - System resource tracking
// Copyright (c) Microsoft Corporation, 1997
//
//
// module: memory.cxx
// author: silviuc
// created: Fri Nov 20 19:41:38 1998
//
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <time.h>
extern "C" {
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
}
#include <windows.h>
#include "assert.hxx"
#include "history.hxx"
#include "table.hxx"
#include "memory.hxx"
#include "systrack.hxx"
void TrackPerformanceCounter (
char * Name,
ULONG Id,
ULONG Period,
LONG Delta)
{
PSYSTEM_PERFORMANCE_INFORMATION Info;
History<ULONG_PTR, 60> History;
for ( ; ; )
{
//
// SystemPerformanceInformation
//
Info = (PSYSTEM_PERFORMANCE_INFORMATION)QuerySystemPerformanceInformation();
switch (Id) {
case TRACK_AVAILABLE_PAGES: History.Add (Info->AvailablePages); break;
case TRACK_COMMITTED_PAGES: History.Add (Info->CommittedPages); break;
case TRACK_COMMIT_LIMIT: History.Add (Info->CommitLimit); break;
case TRACK_PAGE_FAULT_COUNT: History.Add (Info->PageFaultCount); break;
case TRACK_SYSTEM_CALLS: History.Add (Info->SystemCalls); break;
case TRACK_TOTAL_SYSTEM_DRIVER_PAGES: History.Add (Info->TotalSystemDriverPages); break;
case TRACK_TOTAL_SYSTEM_CODE_PAGES: History.Add (Info->TotalSystemCodePages); break;
default: printf ("Invalid track performance Id \n"); exit (2); break;
}
if (Delta < 0) {
//
// We are looking for decreasing counters
//
if ((History.Last() < History.First()) &&
( (int)History.First() - (int)History.Last() > -Delta)) {
printf ("%s: %u -%u \n",
Name,
History.Last(),
History.First() - History.Last());
fflush( stdout );
DebugMessage ("systrack: %s: %u -%d \n",
Name,
History.Last(),
History.First() - History.Last());
History.Reset (History.Last ());
}
}
else {
//
// We are looking for increasing counters
//
if ((History.Last() > History.First()) &&
( (int)History.Last() - (int)History.First() > Delta)) {
printf ("%s: %u +%u \n",
Name,
History.Last(),
History.Last() - History.First());
fflush( stdout );
DebugMessage ("systrack: %s: %u +%d \n",
Name,
History.Last(),
History.Last() - History.First());
History.Reset (History.Last ());
}
}
//
// Sleep a little bit.
//
Sleep (Period);
}
}
//
// end of module: memory.cxx
//