Added unit annotation supports onto tsmon in go.

server/cmd/logdog_archivist/main.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package main
 
 import (
         "time"
 
         "github.com/luci/luci-go/common/auth"
         "github.com/luci/luci-go/common/clock"
         "github.com/luci/luci-go/common/config"
         "github.com/luci/luci-go/common/errors"
         "github.com/luci/luci-go/common/gcloud/gs"
         gcps "github.com/luci/luci-go/common/gcloud/pubsub"
         log "github.com/luci/luci-go/common/logging"
         "github.com/luci/luci-go/common/parallel"
         "github.com/luci/luci-go/common/proto/logdog/svcconfig"
         "github.com/luci/luci-go/common/tsmon/distribution"
         "github.com/luci/luci-go/common/tsmon/field"
         "github.com/luci/luci-go/common/tsmon/metric"
+        "github.com/luci/luci-go/common/tsmon/types"
         "github.com/luci/luci-go/server/internal/logdog/archivist"
         "github.com/luci/luci-go/server/internal/logdog/service"
         "golang.org/x/net/context"
         "google.golang.org/cloud"
         "google.golang.org/cloud/pubsub"
 )
 
 var (
         errInvalidConfig = errors.New("invalid configuration")
 
         // tsTaskProcessingTime measures the amount of time spent processing a single
         // task.
         //
         // The "consumed" field is true if the underlying task was consumed and
         // false if it was not.
         tsTaskProcessingTime = metric.NewCumulativeDistribution("logdog/archivist/task_processing_time_ms",
                 "The amount of time (in milliseconds) that a single task takes to process.",
+                types.MetricMetadata{Units: types.Milliseconds},
                 distribution.DefaultBucketer,
                 field.Bool("consumed"))
 )
 
 const (
         // subscriptionErrorDelay is the amount of time to sleep after a subscription
         // iterator returns a non-terminal error.
         subscriptionErrorDelay = 10 * time.Second
 )
 
@@ skipping 224 matching lines @@
 
 // Entry point.
 func main() {
         a := application{
                 Service: service.Service{
                         Name: "archivist",
                 },
         }
         a.Run(context.Background(), a.runArchivist)
 }