本文整理汇总了C++中PerformanceCounter::disable方法的典型用法代码示例。如果您正苦于以下问题：C++ PerformanceCounter::disable方法的具体用法？C++ PerformanceCounter::disable怎么用？C++ PerformanceCounter::disable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::disable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
//.........这里部分代码省略.........
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];
printf(" c%u:%0.3fk", coreId, (float) (misses/1000.0f));
prevPerfCounters[cpuIndex] = perfCounter->getCounter(cpuIndex);
cpuIndex++;
}
printf("\n");
}
Sleep(1000);
}
perfCounter->disable();
printf ("CTRL-C executed. Cleaning on exit...\n");
} catch (char const *str) {
if (perfCounter->getEnabled()) perfCounter->disable();
printf("K10PerformanceCounters.cpp::perfMonitorCPUUsage - %s\n", str);
}
free(perfCounter);
free(prevPerfCounters);
return;
}