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Peer metrics (#1995)

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* Adding peer metrics

still need to be wired up for use

* per peer packet metrics

* Fix crash from bad instantiation of histogram

* separate alive & dead path counts

* Add peer metric update block

* add peer latency values in doPingAndKeepalive

* prevent deadlock

* peer latency histogram actually works now

* cleanup

* capture counts of packets to specific peers

---------

Co-authored-by: Joseph Henry <joseph.henry@zerotier.com>
This commit is contained in:
Grant Limberg 2023-05-04 07:58:02 -07:00 • committed by GitHub
parent 925599cab0
commit 74dc41c7c7
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 102 additions and 53 deletions
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18
ext/prometheus-cpp-lite-1.0/core/include/prometheus/histogram.h
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@ -28,15 +28,9 @@ namespace prometheus {
/// a data race.
template <typename Value_ = uint64_t>
class Histogram : public Metric {
using BucketBoundaries = std::vector<Value_>;
const BucketBoundaries bucket_boundaries_;
std::vector<Counter<Value_>> bucket_counts_;
Gauge<Value_> sum_;
public:
using Value = Value_;
using BucketBoundaries = std::vector<Value_>;
using Family = CustomFamily<Histogram<Value>>;
static const Metric::Type static_type = Metric::Type::Histogram;
@ -69,7 +63,7 @@ namespace prometheus {
bucket_boundaries_.begin(),
std::find_if(
std::begin(bucket_boundaries_), std::end(bucket_boundaries_),
[value](const double boundary) { return boundary >= value; })));
[value](const Value boundary) { return boundary >= value; })));
sum_.Increment(value);
bucket_counts_[bucket_index].Increment();
}
@ -110,7 +104,7 @@ namespace prometheus {
bucket.cumulative_count = cumulative_count;
bucket.upper_bound = (i == bucket_boundaries_.size()
? std::numeric_limits<double>::infinity()
: bucket_boundaries_[i]);
: static_cast<double>(bucket_boundaries_[i]));
metric.histogram.bucket.push_back(std::move(bucket));
}
metric.histogram.sample_count = cumulative_count;
@ -119,6 +113,12 @@ namespace prometheus {
return metric;
}
private:
const BucketBoundaries bucket_boundaries_;
std::vector<Counter<Value_>> bucket_counts_;
Gauge<Value_> sum_;
};
/// \brief Return a builder to configure and register a Histogram metric.