// Uninstall the windows performance counters exposing the HPX counters.
void uninstall_windows_counters()
{
// uninstall counter instances
if (queue_counter) {
PerfDeleteInstance(HPXHeartBeat, queue_counter);
queue_counter = 0;
}
if (avg_queue_counter) {
PerfDeleteInstance(HPXHeartBeat, avg_queue_counter);
avg_queue_counter = 0;
}
// uninstall counter set, detach this provider
CounterCleanup();
}
EXTERN_C FORCEINLINE
ULONG
CounterInitialize(
__in_opt PERFLIBREQUEST NotificationCallback,
__in_opt PERF_MEM_ALLOC MemoryAllocationFunction,
__in_opt PERF_MEM_FREE MemoryFreeFunction,
__inout_opt PVOID MemoryFunctionsContext
)
{
ULONG Status;
PERF_PROVIDER_CONTEXT ProviderContext;
ZeroMemory(&ProviderContext, sizeof(PERF_PROVIDER_CONTEXT));
ProviderContext.ContextSize = sizeof(PERF_PROVIDER_CONTEXT);
ProviderContext.ControlCallback = NotificationCallback;
ProviderContext.MemAllocRoutine = MemoryAllocationFunction;
ProviderContext.MemFreeRoutine = MemoryFreeFunction;
ProviderContext.pMemContext = MemoryFunctionsContext;
Status = PerfStartProviderEx(&YardmasterGuid,
&ProviderContext,
&Yardmaster);
if (Status != ERROR_SUCCESS) {
Yardmaster = NULL;
return Status;
}
Status = PerfSetCounterSetInfo(Yardmaster,
&PerformanceInfo.CounterSet,
sizeof PerformanceInfo);
if (Status != ERROR_SUCCESS) {
CounterCleanup();
return Status;
}
return ERROR_SUCCESS;
}