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go/internal/lsp/debug/metrics.go
Ian Cottrell 04208b9e8a internal/lsp: move the telemetry package
Move the lsp specific telemetry package that just declares the labels under the
debug package and call it tag, to make all the usages much more readable.

Change-Id: Ic89b3408dd3b8b3d914cc69d81f41b8919aaf424
Reviewed-on: https://go-review.googlesource.com/c/tools/+/222850
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
2020-03-18 13:22:49 +00:00

51 lines
1.7 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/debug/tag"
"golang.org/x/tools/internal/telemetry/event"
"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: []*event.Key{tag.RPCDirection, tag.Method},
Buckets: bytesDistribution,
}.Record(tag.ReceivedBytes)
sentBytes = metric.HistogramInt64{
Name: "sent_bytes",
Description: "Distribution of sent bytes, by method.",
Keys: []*event.Key{tag.RPCDirection, tag.Method},
Buckets: bytesDistribution,
}.Record(tag.SentBytes)
latency = metric.HistogramFloat64{
Name: "latency",
Description: "Distribution of latency in milliseconds, by method.",
Keys: []*event.Key{tag.RPCDirection, tag.Method},
Buckets: millisecondsDistribution,
}.Record(tag.Latency)
started = metric.Scalar{
Name: "started",
Description: "Count of RPCs started by method.",
Keys: []*event.Key{tag.RPCDirection, tag.Method},
}.CountInt64(tag.Started)
completed = metric.Scalar{
Name: "completed",
Description: "Count of RPCs completed by method and status.",
Keys: []*event.Key{tag.RPCDirection, tag.Method, tag.StatusCode},
}.CountFloat64(tag.Latency)
)