#include <stdio.h>
#include <windows.h>
#include <tchar.h>
#include <winperf.h>
#include <pdh.h>

#define CHECK_STAT(func, end) \
do { \
	PDH_STATUS __zz_stat; \
	__zz_stat = (func); \
	if(__zz_stat != ERROR_SUCCESS) { \
		_ftprintf(stderr, "error! 0x%x in line %d\n", __zz_stat, __LINE__); \
	} \
} while(0)

static void showCounterAndInstance(TCHAR *objName)
{
	TCHAR cntNames[4096];
	TCHAR insNames[4096];
	TCHAR *p;
	DWORD cntNameLen = sizeof(cntNames)-2;
	DWORD insNameLen = sizeof(insNames)-2;

	_tmemset(cntNames, 0, sizeof(cntNames));
	_tmemset(insNames, 0, sizeof(insNames));
	CHECK_STAT(PdhEnumObjectItems(NULL, NULL, objName, cntNames, &cntNameLen,
			insNames, &insNameLen, PERF_DETAIL_WIZARD, 0), end);

	printf("  Instance(%s):\n", objName);
	for(p=insNames; *p; p+=_tcslen(p)+1) {
		_tprintf("    %s\n", p);
	}
	printf("  Counter(%s):\n", objName);
	for(p=cntNames; *p; p+=_tcslen(p)+1) {
		_tprintf("    %s\n", p);
	}
end:
}

int main()
{
	TCHAR objNames[4096];
	TCHAR *p;
	DWORD objNameLen = sizeof(objNames)-2;

	_tmemset(objNames, 0, sizeof(objNames));
	CHECK_STAT(PdhEnumObjects(NULL, NULL, objNames, &objNameLen,
			PERF_DETAIL_WIZARD, TRUE), end);
	for(p=objNames; *p; p+=_tcslen(p)+1) {
		_tprintf("%s\n", p);
		showCounterAndInstance(p);
	}
end:
	return 0;
}