Metrics.hpp File Reference

Zero-heap Prometheus-compatible metric counters, gauges, and histograms. More...

#include <array>
#include <atomic>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstring>
#include <span>
#include <string_view>

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Classes
class	corium::profiler::Counter
	Atomic 64-bit monotonically increasing counter. More...
class	corium::profiler::Gauge
	Atomic 64-bit signed gauge metric representing instantaneous level. More...
class	corium::profiler::Histogram< NumBuckets >
	Statically bucketed latency distribution histogram. More...

Namespaces
namespace	corium
namespace	corium::profiler

Functions
size_t	corium::profiler::formatPrometheusCounter (const Counter &c, std::span< char > buf) noexcept
	Format counter in Prometheus exposition text format into a char buffer.
size_t	corium::profiler::formatPrometheusGauge (const Gauge &g, std::span< char > buf) noexcept
	Format gauge in Prometheus exposition text format into a char buffer.

Detailed Description

Zero-heap Prometheus-compatible metric counters, gauges, and histograms.