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go/internal/lsp/debug/metrics.go
Ian Cottrell 156eb2ae29 internal/lsp: split the telemetry library out
This is a straight move of some code with no changes.
It splits the part of the telemetry code that will become a standalone library from the bit that belongs in the lsp.

Change-Id: Icedb6bf1f3711da9251450531729984df6df7787
Reviewed-on: https://go-review.googlesource.com/c/tools/+/190403
Run-TryBot: Ian Cottrell <iancottrell@google.com>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-08-15 21:28:02 +00:00

50 lines
1.8 KiB
Go

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package debug
import (
"golang.org/x/tools/internal/lsp/telemetry"
"golang.org/x/tools/internal/telemetry/metric"
)
var (
// the distributions we use for histograms
bytesDistribution = []int64{1 << 10, 1 << 11, 1 << 12, 1 << 14, 1 << 16, 1 << 20}
millisecondsDistribution = []float64{0.1, 0.5, 1, 2, 5, 10, 50, 100, 500, 1000, 5000, 10000, 50000, 100000}
receivedBytes = metric.HistogramInt64{
Name: "received_bytes",
Description: "Distribution of received bytes, by method.",
Keys: []interface{}{telemetry.RPCDirection, telemetry.Method},
Buckets: bytesDistribution,
}.Record(telemetry.ReceivedBytes)
sentBytes = metric.HistogramInt64{
Name: "sent_bytes",
Description: "Distribution of sent bytes, by method.",
Keys: []interface{}{telemetry.RPCDirection, telemetry.Method},
Buckets: bytesDistribution,
}.Record(telemetry.SentBytes)
latency = metric.HistogramFloat64{
Name: "latency",
Description: "Distribution of latency in milliseconds, by method.",
Keys: []interface{}{telemetry.RPCDirection, telemetry.Method},
Buckets: millisecondsDistribution,
}.Record(telemetry.Latency)
started = metric.Scalar{
Name: "started",
Description: "Count of RPCs started by method.",
Keys: []interface{}{telemetry.RPCDirection, telemetry.Method},
}.CountInt64(telemetry.Started)
completed = metric.Scalar{
Name: "completed",
Description: "Count of RPCs completed by method and status.",
Keys: []interface{}{telemetry.RPCDirection, telemetry.Method, telemetry.StatusCode},
}.CountFloat64(telemetry.Latency)
)