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more monitor added.

This commit is contained in:
Zhen Tang 2013-07-06 18:00:51 +08:00
parent c32d2fe4d7
commit 8f246d5bdb
7 changed files with 47 additions and 36 deletions
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66
WindowsMonitor/Monitor/Monitor.cpp
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@ -1,40 +1,46 @@
#include "stdafx.h"
#include "Monitor.h"
MONITOR_API double GetCpuUsage(int sleepTime)
PDH_FMT_COUNTERVALUE GetCounterValue(wchar_t * fullCounterPath,unsigned long format)
{
PDH_STATUS status;
HQUERY hquery;
status=PdhOpenQuery(NULL,NULL,&hquery);
if(status!=ERROR_SUCCESS)
{
return -1;
}
PdhOpenQuery(NULL,NULL,&hquery);
HCOUNTER counter=NULL;
wchar_t * fullCounterPath=L"\\Processor(*)\\% Processor Time";
PdhAddCounter(hquery, fullCounterPath, NULL, &counter);
status = PdhCollectQueryData(hquery);
if (status != ERROR_SUCCESS)
{
return -1;
}
Sleep(sleepTime);
status = PdhCollectQueryData(hquery);
if (status != ERROR_SUCCESS)
{
return -1;
}
PdhCollectQueryData(hquery);
PDH_FMT_COUNTERVALUE counterValue;
status = PdhGetFormattedCounterValue(counter,PDH_FMT_DOUBLE,NULL,&counterValue);
if(status != ERROR_SUCCESS)
{
return -1;
}
status = PdhCloseQuery(hquery);
if (status != ERROR_SUCCESS)
{
return -1;
}
return counterValue.doubleValue;
PdhGetFormattedCounterValue(counter,format,NULL,&counterValue);
PdhCloseQuery(hquery);
return counterValue;
}
PDH_FMT_COUNTERVALUE GetCounterValueWithSleep(wchar_t * fullCounterPath,unsigned long format,int sleepTime)
{
HQUERY hquery;
PdhOpenQuery(NULL,NULL,&hquery);
HCOUNTER counter=NULL;
PdhAddCounter(hquery, fullCounterPath, NULL, &counter);
PdhCollectQueryData(hquery);
Sleep(sleepTime);
PdhCollectQueryData(hquery);
PDH_FMT_COUNTERVALUE counterValue;
PdhGetFormattedCounterValue(counter,format,NULL,&counterValue);
PdhCloseQuery(hquery);
return counterValue;
}
MONITOR_API double GetCpuUsage(int sleepTime)
{
wchar_t * fullCounterPath=L"\\Processor(*)\\% Processor Time";
unsigned long format=PDH_FMT_DOUBLE;
double ret=GetCounterValueWithSleep(fullCounterPath,format,sleepTime).doubleValue;
return ret;
}
MONITOR_API double GetFileReadBytesPerSecond(int sleepTime)
{
wchar_t * fullCounterPath=L"\\System\\File Read Bytes/sec";
unsigned long format=PDH_FMT_DOUBLE;
double ret=GetCounterValueWithSleep(fullCounterPath,format,sleepTime).doubleValue;
return ret;
}

1
WindowsMonitor/Monitor/Monitor.h
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@ -5,3 +5,4 @@
#endif
MONITOR_API double GetCpuUsage(int sleepTime);
MONITOR_API double GetFileReadBytesPerSecond(int sleepTime);

3
WindowsMonitor/Native/Monitor.h
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@ -4,4 +4,5 @@
#define MONITOR_API __declspec(dllimport)
#endif
MONITOR_API double GetCpuUsage(int sleepTime);
MONITOR_API double GetCpuUsage(int sleepTime);
MONITOR_API double GetFileReadBytesPerSecond(int sleepTime);

2
WindowsMonitor/Native/stdafx.h
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@ -1,6 +1,6 @@
#pragma once
#pragma comment(lib,"../x64/Debug/Monitor.lib")
#pragma comment(lib,"../x64/Release/Monitor.lib")
#define WIN32_LEAN_AND_MEAN
#include <windows.h>

3
WindowsMonitor/Test/Monitor.h
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@ -4,4 +4,5 @@
#define MONITOR_API __declspec(dllimport)
#endif
MONITOR_API double GetCpuUsage(int sleepTime);
MONITOR_API double GetCpuUsage(int sleepTime);
MONITOR_API double GetFileReadBytesPerSecond(int sleepTime);

6
WindowsMonitor/Test/Test.cpp
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@ -3,8 +3,10 @@
int _tmain(int argc, _TCHAR* argv[])
{
printf("%lf",GetCpuUsage(100));
system("pause");
while(1)
{
printf("%lf\n",GetFileReadBytesPerSecond(500));
}
return 0;
}

2
WindowsMonitor/Test/stdafx.h
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@ -1,6 +1,6 @@
#pragma once
#pragma comment(lib,"../x64/Debug/Monitor.lib")
#pragma comment(lib,"../x64/Release/Monitor.lib")
#include <tchar.h>
#include <iostream>