本文整理汇总了C++中PerformanceCounter::setInvertCntMask方法的典型用法代码示例。如果您正苦于以下问题:C++ PerformanceCounter::setInvertCntMask方法的具体用法?C++ PerformanceCounter::setInvertCntMask怎么用?C++ PerformanceCounter::setInvertCntMask使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PerformanceCounter
的用法示例。
在下文中一共展示了PerformanceCounter::setInvertCntMask方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: calloc
void Processor::K10PerformanceCounters::perfMonitorDCMA(class Processor *p)
{
PerformanceCounter *perfCounter;
DWORD cpuIndex, nodeId, coreId;
PROCESSORMASK cpuMask;
unsigned int perfCounterSlot;
uint64_t misses;
// This pointers will refer an array containing previous performance counter values
uint64_t *prevPerfCounters;
try {
p->setNode(p->ALL_NODES);
p->setCore(p->ALL_CORES);
cpuMask = p->getMask();
/* We do this to do some "caching" of the mask, instead of calculating each time
we need to retrieve the time stamp counter */
// Allocating space for previous values of counters.
prevPerfCounters = (uint64_t *) calloc(
p->getProcessorCores() * p->getProcessorNodes(),
sizeof(uint64_t));
//Creates a new performance counter, for now we set slot 0, but we will
//use the findAvailable slot method to find an available method to be used
perfCounter = new PerformanceCounter(cpuMask, 0, p->getMaxSlots());
//Event 0x76 is Idle Counter
perfCounter->setEventSelect(0x47);
perfCounter->setCountOsMode(true);
perfCounter->setCountUserMode(true);
perfCounter->setCounterMask(0);
perfCounter->setEdgeDetect(false);
perfCounter->setEnableAPICInterrupt(false);
perfCounter->setInvertCntMask(false);
perfCounter->setUnitMask(0);
//Finds an available slot for our purpose
perfCounterSlot = perfCounter->findAvailableSlot();
//findAvailableSlot() returns -2 in case of error
if (perfCounterSlot == 0xfffffffe)
throw "unable to access performance counter slots";
//findAvailableSlot() returns -1 in case there aren't available slots
if (perfCounterSlot == 0xffffffff)
throw "unable to find an available performance counter slot";
printf("Performance counter will use slot #%d\n", perfCounterSlot);
//In case there are no errors, we program the object with the slot itself has found
perfCounter->setSlot(perfCounterSlot);
// Program the counter slot
if (!perfCounter->program())
throw "unable to program performance counter parameters";
// Enable the counter slot
if (!perfCounter->enable())
throw "unable to enable performance counters";
/* Here we take a snapshot of the performance counter and a snapshot of the time
* stamp counter to initialize the arrays to let them not show erratic huge numbers
* on first step
*/
if (!perfCounter->takeSnapshot())
throw "unable to retrieve performance counter data";
cpuIndex = 0;
for (nodeId = 0; nodeId < p->getProcessorNodes(); nodeId++)
{
for (coreId = 0x0; coreId < p->getProcessorCores(); coreId++)
{
prevPerfCounters[cpuIndex] = perfCounter->getCounter(cpuIndex);
cpuIndex++;
}
}
Signal::activateSignalHandler(SIGINT);
while (!Signal::getSignalStatus())
{
if (!perfCounter->takeSnapshot())
throw "unable to retrieve performance counter data";
cpuIndex = 0;
for (nodeId = 0; nodeId < p->getProcessorNodes(); nodeId++)
{
printf("Node %d -", nodeId);
for (coreId = 0x0; coreId < p->getProcessorCores(); coreId++)
{
misses = perfCounter->getCounter(cpuIndex) - prevPerfCounters[cpuIndex];
//.........这里部分代码省略.........