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35 lines
2.4 KiB
Go
35 lines
2.4 KiB
Go
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// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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// Package runtime implements the conventional runtime metrics specified by OpenTelemetry.
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//
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// The metric events produced are:
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//
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// runtime.go.cgo.calls - Number of cgo calls made by the current process
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// runtime.go.gc.count - Number of completed garbage collection cycles
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// runtime.go.gc.pause_ns (ns) Amount of nanoseconds in GC stop-the-world pauses
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// runtime.go.gc.pause_total_ns (ns) Cumulative nanoseconds in GC stop-the-world pauses since the program started
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// runtime.go.goroutines - Number of goroutines that currently exist
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// runtime.go.lookups - Number of pointer lookups performed by the runtime
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// runtime.go.mem.heap_alloc (bytes) Bytes of allocated heap objects
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// runtime.go.mem.heap_idle (bytes) Bytes in idle (unused) spans
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// runtime.go.mem.heap_inuse (bytes) Bytes in in-use spans
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// runtime.go.mem.heap_objects - Number of allocated heap objects
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// runtime.go.mem.heap_released (bytes) Bytes of idle spans whose physical memory has been returned to the OS
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// runtime.go.mem.heap_sys (bytes) Bytes of heap memory obtained from the OS
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// runtime.go.mem.live_objects - Number of live objects is the number of cumulative Mallocs - Frees
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// runtime.uptime (ms) Milliseconds since application was initialized
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//
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// When the OTEL_GO_X_DEPRECATED_RUNTIME_METRICS environment variable is set to
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// false, the metrics produced are:
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//
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// go.memory.used By Memory used by the Go runtime.
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// go.memory.limit By Go runtime memory limit configured by the user, if a limit exists.
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// go.memory.allocated By Memory allocated to the heap by the application.
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// go.memory.allocations {allocation} Count of allocations to the heap by the application.
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// go.memory.gc.goal By Heap size target for the end of the GC cycle.
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// go.goroutine.count {goroutine} Count of live goroutines.
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// go.processor.limit {thread} The number of OS threads that can execute user-level Go code simultaneously.
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// go.config.gogc % Heap size target percentage configured by the user, otherwise 100.
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package runtime // import "go.opentelemetry.io/contrib/instrumentation/runtime"
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