本文整理汇总了C++中ResourceUsage::executors_size方法的典型用法代码示例。如果您正苦于以下问题:C++ ResourceUsage::executors_size方法的具体用法?C++ ResourceUsage::executors_size怎么用?C++ ResourceUsage::executors_size使用的例子?那么恭喜您, 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ResourceUsage
的用法示例。
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示例1: ema
Try<Nothing> EMAFilter::consume(const ResourceUsage& in) {
ResourceUsage product;
for (ResourceUsage_Executor inExec : in.executors()) {
if (!inExec.has_executor_info()) {
SERENITY_LOG(ERROR) << "Executor <unknown>"
<< " does not include executor_info";
// Filter out these executors.
continue;
}
if (!inExec.has_statistics()) {
SERENITY_LOG(ERROR) << "Executor "
<< inExec.executor_info().executor_id().value()
<< " does not include statistics.";
// Filter out these executors.
continue;
}
// Check if EMA for given executor exists.
auto emaSample = this->emaSamples->find(inExec.executor_info());
if (emaSample == this->emaSamples->end()) {
SERENITY_LOG(ERROR) << "First EMA iteration for: "
<< WID(inExec.executor_info()).toString();
// If not - insert new one.
ExponentialMovingAverage ema(EMA_REGULAR_SERIES, this->alpha);
emaSamples->insert(std::pair<ExecutorInfo, ExponentialMovingAverage>(
inExec.executor_info(), ema));
} else {
// Get proper value.
Try<double_t> value = this->valueGetFunction(inExec);
if (value.isError()) {
SERENITY_LOG(ERROR) << value.error();
continue;
}
// Perform EMA filtering.
double_t emaValue =
(emaSample->second).calculateEMA(
value.get(),
inExec.statistics().perf().timestamp());
// Store EMA value.
ResourceUsage_Executor* outExec = new ResourceUsage_Executor(inExec);
Try<Nothing> result = this->valueSetFunction(emaValue, outExec);
if (result.isError()) {
SERENITY_LOG(ERROR) << result.error();
delete outExec;
continue;
}
// Add an executor only when there was no error.
product.mutable_executors()->AddAllocated(outExec);
}
}
if (0 != product.executors_size()) {
SERENITY_LOG(INFO) << "Continuing with "
<< product.executors_size() << " executor(s).";
// Continue pipeline.
// Copy total agent's capacity.
product.mutable_total()->CopyFrom(in.total());
produce(product);
}
return Nothing();
}