C / C++ / MFC

udiraz wrote:

typedef CMap<cstring,cstring, int,="" int=""> MyType;

MyType myType;

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

T1TAN wrote:

I suppose it has something to do with performance counters, but I'm not sure how to use them properly...

"Take only what you need and leave the land as you found it." - Native American Proverb

T1TAN wrote:

LogicalDisk|PhysicalDisk\Disk Bytes/sec

HQUERY hQuery = NULL;
PDH_STATUS pdhStatus = PdhOpenQuery(NULL, 0, &hQuery);
 
// Make counter path            
PDH_COUNTER_PATH_ELEMENTS pdhCpe;
pdhCpe.szMachineName    = TEXT("server");
pdhCpe.szObjectName     = TEXT("LogicalDisk");
pdhCpe.szInstanceName   = TEXT("C:");
pdhCpe.szParentInstance = NULL;
pdhCpe.dwInstanceIndex  = -1;
pdhCpe.szCounterName    = TEXT("Disk Bytes/sec");
DWORD dwBufferSize = sizeof(szBytesSec);
TCHAR szBytesSec[128];
pdhStatus = PdhMakeCounterPath(&pdhCpe, szBytesSec, &dwBufferSize, 0);
 
// Add counter
HCOUNTER hBytesSec;
pdhStatus = PdhAddCounter(hQuery, szBytesSec, 0, &hBytesSec);
 
// Get the data
pdhStatus = PdhCollectQueryData(hQuery);
 
// Format counter value
PDH_FMT_COUNTERVALUE pdhfmtBytesSec;
pdhStatus = PdhGetFormattedCounterValue(hBytesSec, PDH_FMT_LONG, NULL, &pdhfmtBytesSec);
 
pdhStatus = PdhCloseQuery(hQuery);

"Take only what you need and leave the land as you found it." - Native American Proverb

T1TAN wrote:

Do you think I could use this code with CPerfCounters class located in this[^] article?

T1TAN wrote:

Is there a way to get the maximum bytes per sec??

"Take only what you need and leave the land as you found it." - Native American Proverb

DavidCrow wrote:

Not sure. How about asking the article's author?

DavidCrow wrote:

Sure. Each time the value is obtained, store the highest value in a separate variable.